8 Design Tips to Improve Metal 3D Printed Parts

Additive manufacturing offers exciting design opportunities for next-generation parts that need to be strong, complex and lightweight. You can design and build parts that are virtually impossible to make conventionally or that would be prohibitively expensive and time-consuming. However it’s not quite plug-and-play. You should be aware that designing for a metal part is much different than a corresponding plastic one. There are some inherent constraints that are a function of physics, the machine’s particular architecture and the process of metal 3D printing being used. At Star Rapid, we employ a Renishaw AM250 powder bed fusion printer to build fully dense laser welded parts. To help you with your next project, our engineering specialist recommends keeping these design tips in mind which can also be universally applied to any metal 3D printing process.

1. Use Lattices to Remove Weight and Preserve Strength

Lattice structures help to remove a lot of mass from solid sections while still preserving strength. We do this by using simulation analysis software to calculate and remove unnecessary material that does not add to the part’s mechanical performance. 3D printing lets you “hollow out” these areas inside of a wall so they won’t affect the part’s finished appearance.

2. Manage Minimum Feature Thickness

Many features like walls and posts will lose resolution as they approach the minimum tolerances of the machine doing the printing. For powder bed fusion this is limited by the laser spot size of 75µm , slightly larger than the powder grain size. The laser spot heats the powder and will create a weld pool that is larger than 75µm. Hence we can produce wall thicknesses down to 150-200µm. We recommend keeping features larger than this to not only to preserve strength but also because features that are smaller are prone to distortion. This may be caused by the rapid heating and cooling of the melting process.

3. Make Use of Conformal Cooling

Conformal cooling channels are one of the great advantages made possible by 3D printing. These can be designed to follow the contours of any internal cavity of an injection mold tool to greatly enhance cooling efficiency and the quality of the finished part.

4. Manage Self-Supporting Angles

If a wall or angled support is inclined too much from the vertical plane, it may degrade / collapse due to the pull of gravity.

We recommend an angle greater than 45°.  Less than this and the bottom face especially loses resolution or collapses and may need to be post-machined or supported by an additional structure.

5. Manage Hole Diameters

Hole diameters should be kept to 10mm or smaller so they can be self-supporting.

If the hole is oriented vertically, the upper arc will be unsupported and thus can also deform or collapse. Supports are needed when the hole is more than 10mm. This is a very important design consideration for internal holes where internal supports cannot be removed and thus may affect the part’s functionality.

6. Make Use of Moveable Features

Another unique advantage to 3D printing is that it’s possible to build shapes-within-shapes that can move freely after printing.

This opens up a whole new world of design opportunities for complex next-generation electromechanical devices or even innovative 3D printed jewelry which could not be made otherwise.

7.  Create Strong Bridged Gaps

A bridged gap is like a cut-out, a window or some other pass-through of a solid wall.

If these are arranged vertically they can also deform at the top edge. One way to deal with these features is by re-designing a self-supporting arch structure much like a Roman bridge. A rounded or pointed top will be self-supporting and not require additional supports, but this may necessitate some design changes.

8. Keep Overhangs Below 0.5mm

Overhangs are features that project laterally from the direction of the build.  Here the concern is the down surface area, which can begin to collapse if the overhang projects .5mm or more.

There are a few ways to counteract this tendency.  The angle between the lateral feature and the vertical face can be re-designed with fillets, either concave, convex or chamfered so that it is self-supporting.  

Long overhangs that cannot be supported by a fillet alone may require additional vertical supports.  While this method is common and easy to apply, it will take time and money to remove these supports after printing.

A Word About Surface Finish

Metal 3D printed parts look a little rough when they’re first taken out of the machine. This is because they were created by welding together countless tiny grains of powdered metal. Our parts are fully dense so they can be polished as well as any forged metal piece.

Learn More

Every job is unique and requires expert technical support to meet your specific requirements. We can offer advice on material choices, tolerances, support structures, part orientation, post-machining and much more. Our engineering professionals will work closely with you every step of the way when you contact us for a free quotation on your next project.

Star Rapid no longer offers metal 3D printing services. However, we remain fully committed to helping our customers reach their product development goals by offering a variety of rapid prototyping and low-volume manufacturing services.

If you are looking for metal 3D printing tips, check out our online video tutorials.

The Ligue 1 Review – Week 28

“You’re dirty kids! You’re dirty kids!” was the cry of a joyous Pascal Dupraz as his Toulouse side returned triumphantly to their dressing room. His charges had just beaten perennial champions PSG at the Stade Municipal, having been relegation fodder just six months earlier. The win, and the 3-1 defeat of Monaco a fortnight later, marked the peak of an astounding rise for the unfashionable southern outfit as their violently charismatic coach continued to remould the club in his own image. After a considerable trough this winter to follow the peaks, the signing of striker Andy Delort has propelled Toulouse back to their compelling best.

A shaped finish from Rennes’ Ousmane Dembélé, an arrowed shot from colleague Kamil Grosicki and it was done. Their lead had been wrestled away at the death and after their final fixture of February 2016, Toulouse found themselves 10 points from the safety mark with just 10 games to play. They were all but down. A meandering, limp campaign led by the aloof Dominique Arribagé had finally flickered and died. With Arribagé sacked just minutes later, the Frenchman unable to repeat his heroics in saving the club from the drop a year earlier, Les Violets were coachless, rudderless and hopeless. Club president Oliver Sadran stated in the aftermath that “there was no plan B”.

But by Wednesday lunchtime, although it was far from clear at the time, a solution had been found in the shape of the erratic, prickly and equally unfashionable Pascal Dupraz, who was unveiled as head coach. “We must fight against fatalism. We must find, or at least increase the collective qualities of the team, pour in enthusiasm and love” was the balding 53-year old’s message to the club and his players. Dupraz previous’ experience of relegation scuffles was mixed, keeping Evian (his only other notable appointment) in Ligue 1 at the climax of the 2013/14 season before taking them down two years later, his tenure proving unpredictable and, at its end, exasperating.

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Dupraz’s reign at Toulouse got off to a concerning start. Within days he was hospitalised. Chest pain that had been evident during his time with Evian, cutting a training session short and forcing Dupraz to watch his first game as manager from bed rather than prowling around his technical area as is now the norm. Nevertheless, the effect of his arrival was immediately evident, the hard fought 1-1 draw with Marseille preceded the 4-0 dismantling of Garonne derby rivals Bordeaux as Dupraz finally made his touchline debut, ending Willy Sagnol’s spell at Les Girondins in the process.

The glorious run continued, 15 points from Dupraz’s first nine games miraculously had them on the brink of survival. Where before they had appeared wayward and disinterested, Toulouse were now bombastic and intense. Prize asset Wissam Ben Yedder, now of Sevilla, having flitted in and out all season was cajoled into landmark performances, scoring eight in the ten games he played for Dupraz.

While Danish international forward Martin Braithwaite, handed the captaincy in virtually Dupraz’s first act as coach, marauded down the left flank in support and netted on four occasions himself. However, it was the faith placed by Dupraz in a burgeoning generation of youth products, his ‘dirty kids’ as their coach playfully referred to them, that proved crucial.

Desperate for points as far back as November 2015 with just a sole win all season, Dominique Arribagé threw in sixteen-year-old keeper Alban Lafont and rangy teenage centre back Issa Diop to his starting eleven for the first time. The debutants joined technical midfielder Yann Bodiger, 20 years of age, and holding player Alexis Blin, 18, in helping Toulouse beat Nice and spark a mini-rival that arguably did just as much to keep Les Violets in Ligue 1 as Dupraz did.

With his faith placed in all four men, Dupraz has moulded them into premier talents now essential to the way in which the team plays. Consistency, a commanding presence and lightning reflexes have seen Lafont emerge as one of the league’s best keepers; Diop’s pace, power and intelligence will likely see suitors forming a less than orderly cue come the summer, while Dupraz was quick to highlight the persistent heel issue of Blin during the side’s winter slump as a key cause.

However, decisively holding this disparate group, and the club as a whole, together was Dupraz himself. His boundless passion, intensity and ferociously bold outlook was swiftly embodied by his players on the pitch, morphing them into a compelling, aggressive and effective unit. As the side’s results improved and displays along with them, Dupraz rapidly endeared himself to the “TFC” (Toulouse Football Club) faithful.

Toulouse is not what you might call a ‘footballing hotbed’. Predominantly a rugby town, attendances had dipped below 9,000 as Arribage’s tenure petered out but, after criticising the vivacity of the support and accusing the fans of ‘wearing mittens’, Dupraz ensured that the pivotal final home game with Troyes was a sell-out, and the Stade Municipal a cauldron. A Tinder themed display before a home game in August featuring Dupraz and the phrase ‘It’s a match!’ served to illustrate his popularity and ascension to cult hero status.

Dupraz’s management style is an unusual, perhaps old fashioned one. He routinely harangues his players, often delivering instructions in an alarmingly aggressive manner. Crucially, however, this is clearly not to his players’ detriment but positive in sentiment and supportive in theme. He is rarely interested in plugging gaps with too many new signings, preferring to fashion a more effective, cohesive unit from what he has. Anyone that could destabilise the group this is cast aside.

His treatment of Jean-Daniel Akpa-Akpro being a case in point; stripped of the captaincy and swiftly dropped, while the promising Zinédine Machach was sent to the reserves after a disagreement during his first week in charge. Dupraz, however, insists: “A coach has to love his players.” Having beaten Troyes, Toulouse knew that a win on the final day at Angers would keep them up but Dupraz had saved his best trick for last.

On the eve of the encounter with Angers, the Toulouse players sat in a small, poorly lit room. The staff gathered around the walls and their manager stood before them. With the fire in Dupraz’s eyes verging on the maniacal, he unleashed a tirade of affection upon his players: “You deserve to stay up. For two and a half months I have been saying that you will stay up. The problem is not whether or not I will look like an idiot it is to see whether you have the mental, physical and technical capacity to do it. It is now that you have to do it. Not tomorrow, not yesterday. It is now! I have realised that I am not the only one who loves you. The staff, they love you. The fans have chastised you but they have shown you that they love you. What we will see here is undeniable. What we will see are people who love you.”

This was followed by emotional messages of support from the players’ loved ones projected onto the wall behind the coach. As the lights came up and the players dried their eyes, Dupraz ended with a simple “bon match.” It is difficult not to be moved by the full 117 seconds of unbridled passion, whether you speak French or not. The Toulouse squad were inspired. With rivals Reims ahead against Lyon, a win was essential and, having been 2-1 down, an 83rd minute free kick from Yann Bodiger, one of Dupraz’s ‘dirty kids’, won the game and kept Toulouse in Ligue 1.

Nevertheless, the revolution would soon falter. This season started as the previous one had ended, devastating home form proved too much for Monaco and PSG and had Toulouse as high as third during the autumn but the turning point came during the visit of Lyon in October. A clumsy afternoon from Lyon full-back Rafael saw him dismissed with the visitors 2-1 up but with over half an hour still to play. But instead of roaring their side home, as had become their custom, an air of quiet expectancy descended upon the Stade Municipal, as if a result against one of the league’s best was now a formality.

The fight had vanished. Toulouse were unable to make any meaningful inroads into the Lyon defence and the contest finished, anticlimactically, 2-1. Although injuries to Blin, Diop and Trejo were destructive, the intensity, courage and tireless enthusiasm that Dupraz demanded from his players dissipated in the following weeks and TFC proceeded to lose nine of their next 13 games, now appearing brittle and timid.

With once bright European hopes fading and the side dissolving into mid-table obscurity, it was time for Dupraz, outwardly admitting his side looked ‘sacred’, to break with tradition. The somewhat organic additions of Ola Toivonen and the towering Christopher Jullien aside, the acquisition of Swedish international winger Jimmy Durmaz was the club’s only real attempt to add some flair and guile during the summer to an otherwise bullish and workmanlike squad. A transfer that has met with varying results. But it had become clear Toulouse were in need of a sizeable shot in the arm to wake them from their deepening slumber.

Andy Delort’s dozen goals for Caen last term, subsequent failure in Mexico with Tigres and desire to return home in January saw him linked with the majority of the league’s 20 clubs, all in need of a proven Ligue 1 goal-scorer. But it was Toulouse and Dupraz that would secure his services in what was, for Les Violets, a hefty €6m fee. A marquee signing.

Although seemingly an obvious move for the club (and many others) Delort suits Toulouse and, more specifically, Dupraz perfectly. “I already loved him very much before. We have the same vision of football “ said Delort. Toulouse are unbeaten since Delort’s arrival, one which is in no small part down to the ex-Tigres teammate of former TFC striker André Pierre-Gignac, the 25-year-old opening the scoring in each of his first three starts, two of which were four goal wins.

Pivotally, however, Delort is a readymade Dupraz player. His rumbustious, smashmouth intensity embodies the spirit of his new manager on the pitch more than any before him. With the new signing installed, Toulouse are returning to their best. Braithwaite is back among the goals, visiting teams are being overwhelmed and defensive mistakes have dried up. The fearless Toulouse that is so quintessentially Dupraz has returned, Delort is leading the charge.

Despite a disappointing 1-1 draw this Sunday with a Lille side very much in a state of flux, Toulouse are now back in the hunt for a European place. The six-point deficit to Marseille in 6th is a sizeable but not insurmountable with 10 games to play, matches which include the visits of rivals OM and Rennes to South East France.

Delort is rapidly becoming ingrained in the Dupraz philosophy and leading his new side by example, fellow January signing Corentin Jean has added balance on the right, Braithwaite is returning to prominence and Trejo and Blin are finding form following respective injury lay-offs. Dupraz and his rebranded ‘dirty kids’ are far from being done with the race for Europe just yet.

1 | Nice were their methodical selves in a 1-0 win against Dijon on Saturday, winning for the fourth time in five matches since losing at Monaco, three of those by the same score. Mario Balotelli returned to the starting line-up and delivered a battling performance, even if he failed to find the back of the net. While the Italian still has much work to do to return to the level he was playing at earlier in the season, his movement was impressive, and Nice have continued to get goals from a variety of sources. At the Stade Gaston Gérard on Saturday, Wylan Cyprien was once again making a vital contribution in that regard.

His well-taken finish midway through the second half was his third goal in five matches. No other midfield player has more in the league this season, and the way the youngster’s role has shifted in the attacking third in the absences of Alassane Pléa and Ricardo Pereira is impressive; his willingness to shoulder more of the attacking load has kept Nice not only on track for Champions’ League football next season, but in the title race after many had left them for dead following a poor January.

2 | Rafael’s move to Olympique Lyonnais was considered an acknowledgement of the Brazlian’s slow slide, which had been apparent since at least 2013. Often heavily reliant on his recovery pace for covering his defensive mistakes, as he aged, his ability to cover ground declined sharply, and he was unable to keep pace in the Premier League.

This trend continued last season as well, with both Bruno Génésio and Hubert Fournier often preferring the more experienced and defensively sound Christophe Jallet in the biggest matches, even if it came at the expense of Rafael’s attacking prowess. Jallet has struggled with injury for most of the current season, though, leaving Génésio little in the way of alternatives. Given the scintillating recent form of Bordeaux’s pacey left winger, François Kamano, it seemed as if Lyon could be in some difficulty at the Stade Matmut Atlantique on Friday, but Rafael surprised with his best performance of the season, Lyon unlucky to concede as the officials seemed to miss an offside call. Roma beckon in the Europa League on Thursday, and will hardly be an easy proposition, but with Rafael on this kind of form, Lyon’s chances look improved.

3 | Angers’ surprising move to a 3-5-2 paid immediate dividends against the division’s most regular practitioners of the system, Caen. The team’s young wide players have been at the forefront of Angers’ style this season, but there was also acknowledgement that being played on the right was failing to get the best out of Karl Toko Ekambi, signed from Sochaux in the summer. The Cameroonian played last week at centre forward in Angers’ habitual 4-3-3, scoring a brace in a 3-0 win over Bastia. With Famara Diedhiou returning from suspension, manager Stéphane Moulin needed a way to keep the in-form Cameroonian on the pitch but also find a place for his leading scorer.

Using three at the back and no natural defensive midfielder, Angers turned in arguably their best attacking performance of the season. Conceding two goals against a mediocre Caen is far from ideal, but the result, their fifth straight win all competitions, took Angers into the top half of the table for the first time since November. With safety now all but achieved, the hope here is that the team continue to play with this sort of gusto; Monaco, Marseille and Paris Saint-Germain are all in their next five opponents, and none will be happy to see the Anjou club playing with such brio.

4 | Marseille would have been downcast after falling to Monaco in extra time in a 4-3 Coupe de France thriller on Wednesday, but seemed to recover well enough in thumping Lorient. After having come back from a goal down three times midweek, only to lose in extra time, Rudi Garcia’s side put their frustration to use in a 4-1 road victory. The win was only Marseille’s third in their travels this season, but showed this team’s potential, even in the absence of the injured Bafétimbi Gomis.

Playing a new formation, a 4-2-3-1 with Rémy Cabella deployed as a false nine, Marseille were ruthless and will undoubtedly gain confidence in their pursuit of European football. None of their three rivals for a top six finish won, and with Angers and Lille to play before the international break, the embarrassment of last week’s 5-1 loss to Paris Saint-Germain is fading fast.

5 | Metz endured a week of mixed blessings; the news that their appeal against a points deduction for crowd behaviour was successful was a huge boost to the club’s struggle for relegation. Winter arrival Cheick Diabaté was on the scoresheet for the third match running, but Rennes’ last-minute equaliser meant that the team are now winless in four in the league.

Even given how poor Lorient and Bastia continue to be, relegation is still a worry with a visit from the Corsicans looming a week from Saturday. The team have played much better since the turn of the year, but the result against Rennes should go a long way towards emphasising the importance of maintaining focus throughout a match. Without that common goal in mind, Metz’s struggles, once a thing of the past, are likely to continue.

Team of the Week: Alban Lafont, Toulouse FC; Rafael, Olympique Lyonnais, Paul Baysse, OGC Nice, Christophe Jullien, Toulouse FC, Benjamin Mendy, AS Monaco; Bernardo Silva, AS Monaco, Morgan Sanson, Olympique Lyonnais, Valentín Vada, Girondins de Bordeaux, Francois Kamano, Girondins de Bordeaux; Kylian Mbappé, AS Monaco, Jimmy Briand, EA Guingamp.

Goal of the Week: Dimitri Payet, Olympique de Marseille.

A.W. and E.D.

New Autonomous Battery-Electric Trains Are Coming For Your Diese

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#Industry News

New Autonomous Battery-Electric Trains Are Coming For Your Diesel

A Missouri startup is pushing the envelope on electric trains with a fleet of autonomously operable, battery-electric railcars.

Electric trains are commonplace in commuter rail systems, but they have yet to make an impact on the freight shipping business. That is beginning to change. The latest development on the rail electrification front involves the St. Louis, Missouri, company Intramotev, which aims to push diesel fuel out of the locomotive picture with a fleet of battery-electric autonomous rail cars.

One Step Closer To Electric Trains

Most freight trains in the US are already halfway to electrification. They deploy an electric drive that runs off a diesel generator. Diesel-electric locomotives first appeared in the 1920s and soon gained currency as a labor-saving, cost-cutting technology improvement over steam-driven trains.

In contrast to multiple crews required for each steam locomotive, diesel-electric trains can be crewed from a single locomotive coupled together with another one, or more.

Diesel-electric trains are an improvement over their steam-driven ancestors, but there is always room for more improvement. A 2021 study in the journal Nature Energy describes the current state of affairs.

“Nearly all US locomotives are propelled by diesel-electric drives, which emit 35 million tonnes of CO2 and produce air pollution causing about 1,000 premature deaths annually, accounting for approximately US$6.5 billion in annual health damage costs,” the authors point out.

The Electrification Solution

Until recent years, the relatively high cost and scarcity of renewable energy put a damper on the vision of diesel-free electric trains. Now the script has flipped.

“Improved battery technology plus access to cheap renewable electricity open the possibility of battery-electric rail,” the Nature Energy authors explained. According to their findings, a standard boxcar could be converted to an electric tender car loaded up with batteries to achieve an all-electric range of 241 kilometers.

“At near-future battery prices, battery-electric trains can achieve parity with diesel-electric trains,” they noted, though with some important qualifications. Cost parity would also have to factor in access to fast-charging infrastructure and wholesale electricity prices, and the playing field would have to be leveled to account for the environmental cost of diesel-electric trains.

Despite these caveats, electrification could win the bottom line race sooner rather than later. “Accounting for reduced criteria air pollutants and CO2 emissions, switching to battery-electric propulsion would save the US freight rail sector US$94 billion over 20 years,” the authors concluded.

Autonomy Begets Parity For Electric Trains

The Nature Energy study focused on here-and-now solutions, so it did not zero in on autonomous railcars. However, autonomous technology is beginning to emerge on a demonstration scale. It could potentially tip the cost balance over to full electrification and railway stakeholders are starting to pay attention (see more of CleanTechnica’s electric train coverage here).

Intramotev sailed across the CleanTechnica radar earlier this week, with its TugVolt model for retrofitting existing electric railcars with battery kits. The railcars can perform independently in freight yards and other stops for “first mile” loading duties, link into trains for traveling over long distances, and decouple to reach their “last mile” destination.

The decoupling factor adds a new level of efficiency. It would free rail cars from having to muster in large, centralized freight yards. They could potentially travel closer to their destinations without relying on trucks to fill in the last leg of the journey.

Intramotev appears to be taking full advantage of electrification add-ons. TugVolt railcars are part of an integrated suite of systems that also includes the company’s ReVolt regenerative braking technology, which has become a must-have for electric trains. Automated safety systems for gates, hatches, and other equipment round out the package.

Two Steps Closer To Electric Trains

Intramotev got off to a healthy start back in 2021, when the early stage venture capital fund Idealab X chipped in to help launch the company into the next stage.

“The infusion of capital will accelerate the development of Intramotev’s commercial demonstration vehicle and proprietary rail autonomy software. The technology has promise to disrupt traditional rail as well as applications within mining, ports, and intermodal freight movement,” Intramotev stated in a press release. The company also noted that hundreds of thousands of railcars sit idle in the US on a daily basis, waiting for a locomotive to take them somewhere.

“We envision a future in which freight can move itself without waiting for a locomotive, making the system more efficient and environmentally friendly,” said Tim Luchini, Ph.D., the company’s CEO.

Last week, Intramotev got another push in the right direction, with a $200,000 grant from Michigan’s Office of Future Mobility and Electrification. The dollars will go to send a mini-fleet of three TugVolt railcars to a mine in Michigan later this year.

The mining site fits in with Intramotev’s near-term plans for deploying TugVolt railcars in self-contained use cases, including ports, processing facilities and plant-to-plant operations as well as mining.

Red State Launches Diesel-Killing Electric Trains At Nation

The vision of long-distance electric freight trains will have to wait a bit, though possibly it will be a small bit. In a press statement, Luchini emphasized that the “captive route” model is just a stepping stone.

“…we look to apply the packetization of the internet model to freight logistics initially on short captive routes and remove the actual distance then rapidly expanding to the full network of 140,000 miles of existing U.S. track without additional infrastructure,” he explained. “We envision a future where freight can move itself without waiting for a locomotive, making the system more efficient and environmentally friendly.”

In the same press release, Intramotev also noted that it aspires to help other railway stakeholders meet the 2050 net zero goal of the Federal Railroad Administration’s Climate Challenge.

The Climate Challenge is a voluntary goal-setting exercise and it accommodates three types of carbon offsets that enable stakeholders to continue using fossil fuels: purchasing carbon credits, producing on-site renewable energy, and carbon sequestration (planting trees, for example).

That may not sound too ambitious in terms of rapid decarbonization, but FRA appears to expect that new technology will push the need for offsets into the background.

“Achieving this [net zero] target will contribute to FRA’s key goals of building a safe, efficient, and modern transportation system that will expand economic opportunities, create cleaner communities, and help avert the worst effects of climate change,” FRA states. “Simultaneously, the Challenge will promote the country’s global leadership in innovation and climate protection.”

Interesting! CleanTechnica has been taking note of almost two dozen US states in which public officials have been working in favor of fossil energy stakeholders by railing against ESG (environmental, social, governance) investing. Meanwhile, businesses in their own home states are setting up shop to produce new clean tech that will decarbonize the whole US economy, including bulk energy storage and green hydrogen (see more coverage here).

It looks like Missouri can join the list. On April 3, State Attorney General Andrew Baily reported that he is joining 20 other attorneys general to warn a group of 50 asset managers against “Environmental, Social, and Governance (ESG) investments being made with Americans’ hard-earned money.”

“My office is putting these companies on notice that we will do everything in our power to safeguard Missourians’ investments from being corrupted in favor of a radical social agenda,” Baily stated.

It appears that Baily did not get the memo about radical social diesel-killing electric trains being developed by a startup based in St. Louis, right in his own backyard. Nevertheless, if all goes according to plan, Baily’s home state will be the centerpiece of a railway electrification web stretching from coast to coast.

日本原始履历没有了怎么办

问:日本原始履历没有了怎么办?在哪里查询?去哪要?

答:先尽量联系第一次帮你办理赴日工作的相关公司。

1、联系当时给你办理赴日的劳务公司。

2、联系你当时在日本的管理组合公司。

3、联系你当时在日本的工厂。

如果以上还不能解决,可以联系我们客服。我们提供原始履历找回服务。

严海赴日

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客服微信:18841170818(陈老师)

客服微信:13940863979(张老师)

日本十大高薪职业

日本目前的高薪职业有很多种类,以下是日本十大高薪职业的一些:

1. 医疗专业人员(医生、外科医生、牙医等)

2. 法律专业人员(律师、法官、检察官等)

3. 金融服务行业(银行家、风险分析师、投资顾问等)

4. 企业高层管理人员(CEO、董事长等)

5. 信息技术行业(软件工程师、网络安全专家等)

6. 建筑与工程行业(建筑师、工程师等)

7. 咨询行业(管理咨询师、策略咨询师等)

8. 制药与医疗器械行业(药剂师、生物技术研发人员等)

9. 媒体与广告行业(广告创意总监、平面设计师等)

10. 教育行业(大学教授、研究人员等)

严海赴日

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日本劳务会被拒签吗?

日本劳务签证(也就是研修签证),一般情况都通过,很少被拒签的。

主要原因是:

1、劳务公司在办理时,都已经对劳务人员的材料做了基础的审核,材料问题比较大的,都已经先被过滤掉了。

2、研修劳务属于中日政府之间的项目,是日本政府通过研修生引进国外的劳动力,属于政府行为,日本政府要解决国内劳动力短缺的问题,所以只要办理研修签证都属于正规劳务,算是一种绿色通行证。在中国有商务部盖章背书,在日本有入管局盖章背书,政府盖了章,本人又没有比较大的特殊情况,几乎都是过的。

严海赴日

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Xometry Crowned One of the Coolest Companies in DC!

Have you ever wondered which companies have that special X-factor? If you have, you will be pleased to hear DC Inno recently hosted their annual competition, DC Fest, to see which DC area companies are in fact the coolest.

And… Xometry was honored to win Readers' Choice for “Coolest Companies in DC”! 

We were flattered to be among the 100 nominated "coolest" companies in the area, including Wedding Wire, Taoti Creative, The Motley Fool, and more. Readers voted for the companies based on attributes like office culture, perks, and how retweetable you are. Winners were unveiled at the event in DC last Thursday night.

At Xometry, we pride ourselves on our close-knit culture, manufacturing enthusiasm, and being able to maintain both through rapid expansion. But most of all, we are constantly inspired by all the things we help our customers make. 

The coolest part of our job is that we get to be a part of so many projects, products, and businesses we could only dream of!

In fact, one of the coolest and funniest things that has happened is when one of our customers recently equated Xometry to having “the brain of Nikola Tesla, the charisma of Emma Watson, the charm of Ryan Gosling and would smell like Scarlett Johansson.” (Thank you Josh Haldeman, E.D. Bullard Company!)

Want to help transform the world? Join our team and help build parts for engineers and entrepreneurs way cooler than us!

Though we are flattered by this new prestigious title, we are proudest of helping our customers make projects happen through providing a solution for making custom parts. Of course, we love that we're helping make the DC area one of the hottest hubs for startups in the US. One hundred impressive companies entered the competition and displayed how robust DC’s startup scene has become. We are looking forward to improving our coolness and connecting with other startups again next year. Until then, thanks for the authentic gold crowns DC Inno, congrats to our fellow Coolest Companies, and thank you to our amazing customers for rocking our world! 

Read more about the event in DC Inno.

Team XometryThis article was written by various Xometry contributors. Xometry is a leading resource on manufacturing with CNC machining, sheet metal fabrication, 3D printing, injection molding, urethane casting, and more.

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The Ligue 1 Review – Week 29

Receiving a short pass from Jordan Ferri in the centre circle, Memphis Depay swivelled, and almost in the same motion, launched a shot toward Alban Lafont in the Toulouse goal. The Lyon winger had shown good vision to catch the teenager off his line, but a shot from that distance, more than fifty yards, was ambitious, to say the least.

The ball, seemingly inevitably, looped over Lafont’s head and into the back of the net, and Depay had recorded his second double in three league matches, powering Lyon to a 4-0 victory. In what could have been a tricky match between two legs of their Europa League encounter with AS Roma, it was a vital contribution, as Toulouse had been testing Anthony Lopes with worrying regularity to that point. Video clips of the feat immediately filled social media pages and football’s leading news outlets stumbled over themselves to publicise a sumptuous goal.

Almost as quickly, though, the caveats began to emerge, largely, one can assume, from Manchester United fans, disgruntled that Depay had never caught the eye in that manner during his time in England. There were also those quick to take down Lafont and, indeed, Ligue 1 as a whole, casting aspersions on the achievement almost before the ball had nestled into the back of the net.

Lafont was off his line, clearly, and one reading of Depay’s recent success at Lyon could be a condemnation of the league’s quality compared to the Premier League. Yet, a savvier analysis would centre on the platform that Depay has been given at the Parc OL, and how his role, both at present and in the future, has evolved in the six weeks since joining for an eye-watering fee of a potential €25m.

There were plenty of doubters among observers of Ligue 1 upon Depay’s arrival; many were baffled by the club spending such a sum of money when more pressing needs, including signing competition for Alexandre Lacazette and a left-back were apparent given the club’s struggles in the league. Others cast doubts over the issues Lyon have had integrating players of a similar level of experience into the team, with Claudio Beauvue and Sergi Darder having struggled to make their mark after being first choice elsewhere.

There was also the small matter of Mathieu Valbuena; after being largely misused by Hubert Fournier, the former Marseille winger also had to deal with the emotional imbroglio surrounding blackmail and a sex tape, and hardly looked the part of the player who had been a regular starter for his country in the 2014 Brazil World Cup. However, since December, Valbuena has become one of Lyon’s best players, recording crucial goals in wins over Monaco and Rennes, to the point that a return to the national team was now a distinct possibility.

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With both players doing their best work on the left side of a 4-3-3, manager Bruno Génésio initially struggled to find a balance for the two, both tactically and personnel-wise. Things looked bleak for Depay; his first two starts, against Lille and Saint-Étienne, were embarrassing losses for the team, with the Dutchman looking out of sorts. However, after barely featuring for Manchester United this season, there was bound to be some ring-rust on the part of Depay.

He eventually got off the mark in a 4-0 thrashing of Nancy just over a month ago, and now has five goals and two assists, all in his last six matches. Depay being cup-tied for the Europa League (and an injury to the Frenchman) has also seen he and Valbuena rotated, with both in good form and seemingly no damage done to the team’s chemistry.

That is not to say that there have not been mitigating factors in Depay’s revival, though. The teams upon which Lyon have feasted in recent weeks have been some of Ligue 1’s poorest, and Depay was far from incisive in the most difficult match the team have played of late, a 1-1 draw at in-form Bordeaux last Friday. There have also been matches (the win over Metz springs to mind immediately) where goals or assists have glossed over a host of wasted chances for the winger, the underlying assumption being that better sides wouldn’t afford their opponents such a plethora of opportunities.

That said, on the whole, Depay’s hefty price tag is looking increasingly to be good value for money, and to represent the power of a financially resurgent Lyon. On the heels of considerable Chinese investment earlier this season, Depay is supposedly the first in a line of marquee signings for the club, a tack that had disastrous ramifications the last time it was employed, but one that appears to be more sustainable now that the club will have less of a mandate to produce a year-over-year profit.

That will come as welcome news given that Alexandre Lacazette, Corentin Tolisso and Rachid Ghezzal are all likely departures this summer; Lyon desperately needed some reassurance vis-a-vis their goalscoring ability next season. Nabil Fékir is looking better, if not quite to his form of two seasons ago, and has shown a few cautiously encouraging signs that he could function as a centre forward in a 4-3-3.

Valbuena has likewise had a strong season, but is never going to provide the twenty-odd goals Lyon have come to expect from Lacazette. Depay, however, is increasingly looking like the answer in this regard, and if more purchases of his ilk follow, Lyon’s likely spell away from the Champions’ League could be a short one indeed, despite the good form demonstrated by Monaco and Nice this season.

1 | One of the most rewarding aspects of following French football is the regularity with which young players rapidly blossom into undisputable talents. Following on from teenage winger Adam Ounas last season, this term Bordeaux have again nursed the development of one of the league’s rising stars; Argentine midfielder, Valentin Vada. Vada is a stocky deep-lying playmaker with a broad range of passing ability, superb awareness of space and the ability to put a defence on the back foot with his direct style and eagerness to further an attack with an incisive through ball or by driving towards goal himself from deep.

Although Jocelyn Gourvennec’s Bordeaux side left Monaco with little to show from a 2-1 loss on Saturday afternoon, the waspish Santa Fe native stood out once again as he continues to hit the zenith of a period of form that has seen him overtake veteran Czech international Jaroslav Plasil in Les Girondins’ midfield hierarchy. Having signed for Bordeaux from Proyecto Crecer as far back 2010 at just 15, he only made his senior debut in December 2015. However, despite some promising outings across the rest of last season, he seemed overly slight and often capable of poor decision making. Although this is often the case with young players, doubts remained over his ability to mature as a footballer but during this campaign, especially since Christmas, he has flourished and is now arguably Gourvennec’s prized asset. At just 21, Vada has a frightening amount of potential that he has only just begun to realise and the rest of the league are taking notice.

2 | Christophe Galtier is Ligue 1’s longest serving manager. Upon his appointment as manager of Saint-Étienne on December 15th 2009, Les Verts sat in the relegation zone after 17 games having barely avoided relegation at the end of the previous season. These performances were far below the expectations of French football’s record title winners and one of the league’s most historic and well-supported clubs, but Galtier revived them. They avoided relegation by eight points come May and a top half finish the following year catalysed a steady improvement which has reasserted St Saint-Étienne’s status as a European regular, having qualified for the Europa League knockout stages in the previous two campaigns. However, as Galtier nears the end of his eighth season in charge, it may be time for the pair to part ways. Ambitions of Champions’ League football, infuriatingly just out of reach in recent years, have faded over the last 18 months, as performances have gone from combative and effective to blunt and turgid. Although Galtier is an astute, tactically nuanced operator, he above all is a defensively-minded coach and his Saint-Étienne sides have rarely threatened to be even mildly engaging, his charges muddling their way through a lacklustre campaign, often snatching late points they scarcely deserve.

Their season was perhaps summed up by the 2-2 home draw with Metz on Sunday afternoon, a side that have been coolly dispatched on a regular basis by other top half clubs. Les Verts, however, had to come from behind twice; inspirational captain Loïc Perrin with an injury time header and taking most of the credit for any positives derived from the display by Galtier. The club has become stale and although Galtier’s squad has been weakened slightly, injuries have been troublesome and forward players continue in woeful form, it now seems that both Saint-Étienne and Galtier are in need of a fresh start to truly realise their ambitions. Despite all he has done for the league’s most vociferous fan base, he appears to have taken their club as far he can as their aim of making the Europa League continues to slip.

3 | Paris Saint Germain’s 31-point winning margin at the end of last season, although alarmingly cavernous, lead to a misconception that Ligue 1 was lacking in competition. Every other prize on offer last term was ferociously contested over, Toulouse’s miraculous survival under Pascal Dupraz at the expense of Reims and Gazelec Ajaccio being the most overt example. A turbulent weekend for the clubs at the bottom further illustrated that this year is no different. Bastia continued their run of red cards with Gaël Danic becoming their fourth player to be sent off in four games (and their 13th this season!) in a disastrous 5-0 loss at Guingamp. New manager Rui Almeida had started to reintroduce a little more organisation and impetus to a side that was become increasingly fraught and ill-disciplined under the weak stewardship of François Ciccolini but with the club second bottom and visitors to Corsica not as intimidating as they once were, Ligue 2 is not far away.

Lorient remain the closest to the trapdoor as a 2-1 loss to PSG kept Les Merlus six points from safety while Lille’s win, Caen’s superb 2-2 draw with Nice and Metz mirroring that result at Saint-Étienne pulled all three clubs further from a rapidly developing bottom four. Dijon took advantage of a Rennes side still struggling to deal with the losses of wingers Kamil Grosicki and Paul George Ntep in January to take a valuable point from Roazhon Park and stay just clear of a Nancy side who remain in freefall. The 2-1 home loss to Lille was their seventh in nine games, taking just seven points from 2017 in total and leaving Pablo Correa’s outfit in the relegation play-off spot. Correa did have his side comfortably in mid table during December as some intelligent rotation from Ligue 1’s tinkerman kept his players fresh and fighting for their places. Enigmatic winger Issa Dia and effortless centre back Clément Lenglet were the only men guaranteed selection. But with Lenglet swept up by Sevilla and not replaced while the trickle of goals dried up, still just 19 in total, none of their strikers scoring more this once this season, they have slipped back toward relegation. With the bottom four all playing each other next week, Bastia at Metz and Nancy hosting Lorient, and just nine games to play, the battle at the bottom has truly begun.

4 | Kevin Trapp, Thiago Silva, Marquinhos, Maxwell and Thomas Meunier. The back five that started in the 6-1 loss at Barcelona all kept their places for PSG’s trip to Ligue 1’s bottom club Lorient on Sunday night. Unai Emery neglected the chance to make something of a statement in dropping the likes of Thiago Silva with the club in need of a new direction. Silva’s limp performance on Wednesday night stood out amongst an array of inept, mentally frail displays; devoid of leadership, presence and any sort of defensive acumen. Nevertheless, PSG eased passed Lorient on autopilot, with little sign of any attempt to make changes to a team who have followed the same path for a number of years; imperious domestic performances punctuated by erratic European form culminating in a disastrous, and inevitable, early Champions’ League exit. Since the QSI takeover, the evolutionary focus in reaction to this cycle has been personnel based, with new stars signed for seven figure sums in the off season in a bid to change fortunes.

However, it has become increasingly apparent that the club’s issues are far more ingrained than any amount of euros thrown at Jesé, Gonçalo Guedes or Julian Draxler can solve. It is in their academy, mental fortitude and overall philosophy where answers lie. Not in Patrick Kluivert shaking hands with another overpriced, undercooked starlet. Meanwhile, Monaco maintained their stay at the summit of Ligue 1, and three-point lead over the capital club, following a hard fought win over an improving Bordeaux. A stunning 25-yard strike from João Moutinho turned out to be the winner in the 2-1 triumph. Adversely, Nice lost ground in the title race, despite fighting back to take a point from Caen having been 2-0 down, Mario Balotelli with the first. With pressure mounting, the full extent of PSG’s emotional damage remains to be seen after their Nou Camp humiliation. Comparisons with those Brazilians who will carry the score ‘7-1’ around with them for the rest of their careers are not unjustified. If the club do not make more than their traditional superficial changes this year, they will be in exactly the same situation this time next season, or worse.

E.D. and A.W.