New standards released by China railway industry: Focus on locomotive bearings and freight safety.

Recently, the National Railway Bureau has issued two batches of technical standards for the railway industry, including “Rolling Bearings for Locomotives and Electric Motor Bearings” and “Technical Requirements for Railway Freight Inspection.” In addition, the TB/T 3122-2019 “Acoustic Components for Railway Sound Barriers” has also undergone the first amendment.

The release of these two standards involves the technical equipment of locomotives and vehicles and the transportation service standards for passenger and freight transport. Both are revised standards and will take effect from October 1, 2024. The electric motor bearings of locomotives are critical equipment that affects railway operation safety, and railway freight inspection is an important aspect of ensuring the safety of cargo transportation. These standards provide technical guidelines for the design, manufacturing, inspection, and application of railway products, as well as for cargo transportation. They are of significant importance in ensuring railway operation safety and improving product quality.

Furthermore, the published amendment improves the waterproof performance of acoustic components for railway sound barriers, the light transmittance requirements of transparent panels, as well as the testing methods for fatigue resistance and wind pressure resistance, among others. These changes will come into effect from March 27, 2024.

In addition, since all the technical content of “Auxiliary Converters for Electric Multiple Units” (TB/T 3411-2015) has been incorporated into the national railway standard “Converters for Railway Locomotives and Electric Multiple Units” (GB/T 34575-2023), the former will be abolished starting from March 27, 2024.

Omniphobic coatings based on functional acrylic polymer

Omniphobic coatings were prepared on flat surfaces using a functional acrylic polymer and common micron sized inorganic particles by a simple spray application technique.

The novel coating comprises of a blend of functional acrylic polysiloxane polymer and liquid epoxy resin as a primer base coat followed by spray application of a mixture of organosilanes and inorganic microparticles. The microparticles are fillers commonly used in the paint and coating industry. The resulting surface has the desired surface energy and surface morphology to enable liquid repellency with contact angles of ∼150° for water and 142° for diiodomethane with a roll off angle of <5°.

Self-cleaning coatings and anti-microbial coatings

As the researchers point out, the coating can be applied on large areas and can be cured under ambient conditions; it is omniphobic, robust, free of nanoparticles and can be used for potential applications in the field of self-cleaning coatings, and anti-microbial coatings.

The study has been published in Progress in Organic Coatings, Volume 183, October 2023.

The Differences Between a CNC Router and a CNC Mill

CNC machining has become an increasingly popular form of manufacturing in recent years, with its key benefits providing shops with increased efficiency, capability, and waste reduction. As a result of this increased popularity, we have seen several different types of CNC machines being developed, each with its distinct features and advantages.

Among the most popular are the CNC router and the CNC mill also known as a CNC milling machine. Here a breakdown of what CNC machines in general serve to accomplish and what key differences exist between a CNC router and a CNC mill.

From Routers to Mills – What is CNC machinery?

CNC machines are computer-controlled mechanisms that automatically move a tool around a workpiece on a series of axes to perform cuts. All CNC machines use subtractive manufacturing to create the end product, meaning they work by removing material from an existing piece rather than by adding onto it.

The rate of movement, speed of rotation, and motion type are all factors that are programmed to help determine the specifics of a cut with a CNC machine. While both routers and mills provide extreme precision, there are many differences you should be aware of.

CNC router

The CNC router is considered a fairly universally usable tool in modern machine shops, with its primary purpose being to cut softer materials like wood, plastic, acrylic, foam, and certain softer metals. It is typically mounted on a stationary table with a larger workspace, featuring a spindle that moves along three axes X, Y, and Z.

CNC routers like the ShopSabre IS Series CNC router, are mostly designed to operate at high speeds compared to CNC mills, using rotational speed as the driving force in making cuts. While routers typically have three axes, there are variations with 4-6 axes that are ideal for more complex projects.

CNC router highlights:

  • Used to cut softer materials like wood, plastic, and foam
  • Mounted on a stationary table with a larger workspace
  • Features a spindle that moves along X, Y, and Z axes
  • Operates at high speeds
  • Uses rotational speed to make cuts
  • Makes 3D Cutting much easier

View our selection of CNC Routers at ShopSabre!

CNC mill

For the most part, a CNC mill can perform essentially the same functions as a CNC router, but there are a few key differences. While routers are mostly used for softer materials, mills are generally used to cut metals and tougher materials. It uses rotary cutting tools similar to those of a router, but the operating speeds are much slower with mills.

Instead of using a stationary table, many CNC mills move in an X-Y configuration, with the spindle moving on a linear axis above the workpiece. This provides increased clearance along the Z axis and allows mills to perform thicker cuts, as mills make cuts using torque rather than rotational speed.

CNC mill highlights:

  • Used to cut metals and tougher materials
  • Slower operating speeds than CNC routers
  • Move in an X-Y configuration
  • The spindle moves along a linear axis above the workpiece for increased clearance along Z axis
  • Able to perform thicker cuts
  • Makes cuts using higher torque

Improve your products with ShopSabre

Some key differences between CNC routers and CNC mills will help determine which is best for your shop. Our team at ShopSabre is here to help guide that decision in purchasing the right equipment.

ShopSabre delivers the best CNC routers in the industry at the best value. Our products are proudly made in the USA and built with top-rated technology to provide a lasting edge in your shop. Get a quote today to start making the most of your operation.

Keyword: cnc prototyping

How It All Got Started – Company President Reflects

In 1984, upon graduating from University with a degree in Industrial Design, I started working for the family business. We manufactured architectural signage and wayfinding systems for larger corporate offices and retail shopping malls. I was working on product development along with manufacturing practices used in production. In 1995, I was involved in a project that used an electronic touchscreen, housed in a public display. This housing required large format 1/8-inch aluminum sheets with a lot of small grooves, pockets, drilled and tapped holes, and engraving. This was a difficult manufacturing challenge that turned into an opportunity that changed my life forever.

We needed to accurately machine these large aluminum panels in a very efficient and fast manner that had enough flexibility for quick design changes. This ruled out punching, molding, and casting and it was clear that machining was the only option. Our research determined there was no large format, affordable machining center that could meet our needs. We decided to hop on a plane and attend a tradeshow in Germany called EMO in hopes that we could find a unique system that could meet our needs. That’s when we discovered DATRON.

We quickly realized this was the perfect machine to produce this assembly of flat aluminum parts. We learned that DATRON had no representation in North America for local service and support. This machining system, however, was just too perfect for our application so we rolled the dice and purchased one. It helped that we were assured that DATRON was already in the process of finding a local reseller and support partner. I just didn’t know at the time that it would end up being me.

Over the next months, we successfully implemented the system and through that process, I got to know the people at DATRON and the power of this machine. Amazed by the technology, I couldn’t help but wonder what impact it could have on North America manufacturers. After a long walk on a Florida beach with my wife, Debbie, and our first-born baby cradled in my arms, I got the courage to ask her “What do you think about me approaching DATRON about starting a business to sell their machines?” In her reply were the historic words that got this whole thing going, “If you are going to make a change, it would be easier to do it now before we have more kids and they are older.”

When I returned home, I agonized for hours typing a letter that I later faxed, only to receive a phone call just a few short minutes later. “What is this?” exclaimed Manfred Becker, machine developer at DATRON? I explained that I wanted to help DATRON bring their machine to North America. He asked, “How are you going to do this and work for your family business”? I said, “I wouldn’t, I would leave the family business and dedicate myself full-time.”

Three days later, I was on an airplane to Germany. Sitting at a round table and fueled by strong coffee, I joined an energized group to strategize how we were going to get this done. Six months later, DATRON Dynamics opened its doors for business with full support from my brothers, who continued to run the family business without me.

I often wonder how many employees lives that I may have never touched, the many customers that would have never benefited from this amazing technology, the friendships both home and abroad that would have never developed …  and just how different my life would have been, if my wife had simply said “I don’t think it’s a good idea”. Thank you, Deb, for initiating and kick-starting this incredible journey that has impacted so many lives!

-Bill King, President
DATRON Dynamics, Inc.

How co-injection molding works

cnc machining china

Engineers often require different material properties across different regions of a part, and they can achieve this goal in various ways.

Often, parts will be designed as separate components that can be assembled using glue or fasteners. One component of the assembly may be made from a soft, pliable material, while another might be made from a rigid thermoplastic. In the domain of injection molding, another useful technique is overmolding, in which one layer of material is molded over another, resulting in a two-part molding with two different materials or colors.

A different approach to dual-material molding is co-injection molding, which involves injecting two materials into a mold cavity. One material forms the “skin” or outer layer of the molding, while the other forms the internal “core.” Unlike two-shot molding or overmolding, co-injection molding only requires a single mold cavity.

This article goes over the basics of co-injection molding, looking at how the process works, its main advantages and challenges, and some common applications.

What is co-injection molding?

Co-injection molding (sometimes called sandwich molding) is a form of injection molding in which two injection units are deployed to inject two different materials into one mold. When a suitable combination of materials is used, one material forms the outer skin of the molded part, while the other forms the internal core. Making parts from two distinct materials in the same mold opens up a range of possibilities while keeping cycle times relatively short.

The co-injection molding process requires a multi-material injection molding machine or a supplementary injection unit for the second material. The best results are typically achieved using a hot runner system, in which precise metering and temperature control allow for the two materials to be injected into the mold cavity in sequence. However, a cold runner system with a manifold can also be used.

The basic co-injection process goes like this:

  • The first injection unit injects the skin material into the mold; material cools and hardens when it reaches the mold walls
  • The second injection unit injects the core material into the mold, which pushes the skin material further towards the mold walls; because the materials are immiscible, they do not blend together, instead forming distinct layers
  • The first injection unit injects more skin material into the mold (optional), pushing the core material inwards and sealing off the gate area with skin material, creating a sandwich molding

Co-injection molding is very different to two-shot molding or overmolding. While it also uses two different polymers, it only requires a single mold cavity. Neither the mold nor the molding has to be moved in between injections. However, unlike two-shot molding or overmolding, co-injection molding cannot be used to place material in specific, user-selected locations; the “skin” must cover the entire outer surface of the part.

Advantages of co-injection

Engineers may favor co-injection molding for many reasons. For instance, using different materials for the inside and outside of a molding can have significant aesthetic, functional, and cost benefits.

Part performance

One of the most significant benefits of co-injection molding is the wide range of potential engineering possibilities that can lead to improved part performance. There are infinite reasons why an engineer might want to combine two different sets of material properties in a single molded part.

Examples of co-injection leading to improved performance include parts with a foam core (reducing weight, creating buoyancy, or provides acoustic insulation) and parts with a glass-filled core (increasing part strength and stiffness).

Appearance

Co-injection opens up aesthetic possibilities, as the skin can be made from a cosmetically appealing material while the core serves a purely functional purpose. Co-injection also allows for unique effects such as color gradation, which may be useful in the production of eye-catching food packaging, for example.

Cost

In many cases, parts can be made with a high-quality skin material and a low-cost core in order to significantly decrease unit cost. While setup costs for co-injection can be high, these unit cost savings can become significant during high-volume production.

Cycle time

Co-injection molding of two materials is typically faster than overmolding or assembly of two separate components. So while the co-injection process comprises three injection phases, it still offers excellent production efficiency for multi-material parts.

Limitations of co-injection

Co-injection molding is not suitable for all multi-material molding projects. Its main disadvantages include:

  • The need for a multi-injection setup, which can be expensive and which requires a fairly high level of expertise to operate
  • Not all polymers are suitable for co-injection or mutually compatible; the core material typically needs to be more viscous than the skin material
  • Does not allow for selective placement of material regions like two-shot molding or overmolding

Co-injection molding examples

A variety of skin/core combinations can be used during the co-injection molding, depending on the part and its desired qualities. Some examples and co-injection molding applications are listed in the table below.

Skin

Core

Benefit

Application

Virgin material

Recycled material

Environmental benefits while maintaining aesthetic qualities on part surface

Food packaging

Soft material (e.g. TPE)

Hard material (e.g. PP)

Shock-absorbing or ergonomic part exterior

Tool handle

Dense material

Foam

Lightweight or buoyant part with water-resistant skin

Buoyancy aid

Injection molding with 3ERP

3ERP has years of experience making injection molded parts and prototypes, with no project too large or too small. Contact us for a free quote on your next project, whether you need single-injection, co-injection, or overmolded parts.

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YRT200 Rotary Table Bearingshave been shipped to America

CNC machining

YRT200 Rotary Table Bearings have been shipped to America

YRT200 rotary table bearings are precision bearings designed to support and enable smooth rotation of a turntable or rotary table with a 200mm inner diameter and 300mm outer diameter. They are commonly used in various applications such as machine tools, robotics, indexing tables, and rotary positioning systems.

Luoyang E-find Precision Bearing specializes in the production of high-precision, high-rigidity, heavy-load crossed roller bearings, rotary table bearings, harmonic bearings and customized bearings for 18 years.

Our main products are RB, RA, CRBH, SX, RU, XU, XSU series crossed cylindrical roller bearings, XR, JXR crossed tapered roller bearings, YRT, YRTS, ZKLDF series rotary table bearings. Many models are bulk on the stock.

Please feel free to contact us if you have any requirements.

Contact

Company:Luoyang EFANT Precision Bearing Manufacturing Co. Ltd

Address:No. 9 Jingjin North Rd, Luoxin Development Zone, 

Xin'an County, Luoyang City, Henan Province 471003, China

Tel:86-379-80887690

[email protected]

https://www.efindbearing.com

2024更新!租屋報稅省很大!常見申報疑問看這就對了!

室內設計

又到了五月的報稅季,從以前很難用的讀卡機,到現在用手機就能報稅!不過很多租客在報稅時都會產生一些疑問,下面這些常見的租屋報稅問題,你是否遇過呢?讓我們一起來破解迷思吧!
(註:本文接下來介紹的是「租客」申報所得稅的部分,關於房東要繳納的稅請見「房東要繳什麼稅?常見房東報稅問題總整理!」這篇文章)

租屋報稅租客該怎麼報?

以租屋族而言,繳納個人綜合所得稅時,在一般扣除額可以選擇「標準扣除額」或是「列舉扣除額」二擇一來申報租金支出。如果選擇「標準扣除額」,單身每人都可享124,000元的扣除額度,而夫妻合併申報則可以享248,000元的扣除額度,選擇「列舉扣除額」,每一申報戶租金每年扣除數額以12萬元為限!
至於應該選擇哪一種方式?如果列舉扣除額各項項目加總後,金額大於標準扣除額的金額,採用列舉扣除額才會划算!所以如果金額未大於標準扣除額,建議就採用標準扣除額即可,也不需要準備列舉申報的證明文件,直接省去跟房東的攻防戰。另外租金支出將從列舉扣除額改為特別扣除額,額度則由12萬元,提高至18萬元,預計2025年報稅適用。

立即搜尋「可報稅」房源!

還有可養寵、可入籍、台水台電計費等各種特色房源等你來搜尋~

Promoting Structural Adjustment of Iron and Steel Industry from Five Aspects

Affected by factors such as strong domestic market demand, China ' s crude steel production has maintained rapid growth in recent years. On June 17, the National Development and Reform Commission held a regular press conference in June. Meng Wei, a spokesman for the National Development and Reform Commission, predicted that in the coming period, especially before the end of the 14th Five-Year Plan, as China ’ s economic development continues to achieve new progress and new results, there will be some room for the demand for crude steel.

Meng Wei believes that the “14th Five-Year Plan” period is an important historical opportunity period for my country's steel industry to realize the “big to strong” transformation. The National Development and Reform Commission will focus on promoting the structural adjustment of the steel industry from five aspects. The first is to strictly enforce regulations prohibiting new production capacity. During the “Thirteenth Five-Year Plan” period, the nation's cumulative crude steel production capacity was reduced by more than 150 million tons, and the goal of resolving the upper limit of excess steel production capacity in the “Thirteenth Five-Year Plan” was exceeded two years in advance.

In 2017, the production capacity of “local steel” was banned by more than 100 million tons, which reversed the phenomenon of “local steel” and “bad money expelling good money” that had long plagued the steel industry, purified the market environment, and regulated the orderly development of the steel industry. The second is to promote the low-carbon and green development of the steel industry. In 2019, the Ministry of Ecology and Environment and other five departments issued the “Opinions on Promoting the Implementation of Ultra-Low Emissions in the Iron and Steel Industry”, which put forward relevant goals and tasks and requirements. It is necessary to implement them well and accelerate the implementation of ultra-low emission transformation of iron and steel enterprises in key areas for air pollution prevention and control. Focusing on energy saving, pollutant emission reduction, and carbon emission reduction in the iron and steel industry, the innovation and demonstration application of various technologies, processes and equipment are encouraged, and the implementation path and feasible measures for carbon peaking in the iron and steel industry are carefully studied.

The third is to promote the merger and reorganization of the steel industry. Our country adheres to the principles of corporate entities, government guidance, and market-oriented operations, uses market-oriented legal methods, respects the wishes of enterprises, and allows enterprises to carry out mergers and reorganizations through independent decision-making. Government guidance is mainly reflected in creating an open, fair and just market environment, breaking market segmentation, creating favorable conditions for cross-regional reorganization, and striving for a new level of merger and reorganization of the steel industry during the “14th Five-Year Plan” period.

The fourth is to encourage the optimization of the layout of the steel industry. The “Opinions on the Filing Management of Steel Smelting Projects” issued by the National Development and Reform Commission has been formally implemented on June 1 this year. In accordance with the requirements of the “Opinions”, our country actively guides the optimization of the layout of the iron and steel industry, encourages the new iron and steel smelting projects to rely on the agglomeration development of existing production bases, and strictly requires the construction scale of new iron and steel smelting projects that are indeed necessary to be selected and constructed.

The fifth is to improve the development quality level of the steel industry. We encourage iron and steel enterprises to accelerate the implementation of green and intelligent transformation, and improve the quality and level of development of the iron and steel industry. We promote the development of EAF process, improve the overall energy saving and environmental protection level of the industry, encourage the construction and expansion of domestic iron ore projects, enhance effective supply capacity, guide iron and steel enterprises to further strengthen the upstream and downstream industrial chain cooperation, and create a good market environment.

How to Practice Creativity: Tools to Kickstart Your Imagination

Time to read: 5 min

Many people think creativity is innate, but in my experience, creativity is something you have to practice every day.

In 2012, my team at Toyota was challenged to create a new user experience with the infotainment system in the car (also known as “the thing in the middle of the dashboard”). Customers had been interacting with the infotainment system the same way for a decade, and it was time to shake things up.

My experience as a product designer has taught me that creativity is half imagination and half realization. I use tools to trigger my imagination, then generate ideas in context. To me, realization means understanding what translated correctly to the physical space (what worked) and what didn’t translate correctly (what didn’t work), then examining how this reality changes or evolves our initial imagined idea. It’s the push and pull of imagination and realization that generates creativity.

I used several tools to aid both my imagination and my realization process on the project, and I want to share them here, in hopes that other designers might benefit from some of the strategies that have helped me be successful on projects like the Toyota infotainment system UX redesign.

Triggering Imagination

When I was three, I used to play with a cardboard box and imagine it was a spaceship. In that context, imagination was easy—my only challenge was to imagine that the extra box I had lying around my house was something really entertaining. Spaceship. Done.

In the Toyota project, the challenge was to imagine a new user experience with the infotainment system. The challenge went beyond that of just one user of a cardboard box, so I had a feeling I would need more people to act as catalysts to help me generate relevant ideas.

Nevertheless, in my first week of working on the infotainment project, I jumped in a Prius, stared at the little black screen on the dashboard, and thought, “Time to let the imagination flow.” I pulled out my iPhone 4s and glanced at the apps I use. Two minutes later, I knew I had come up with the perfect solution: the ability to view Yelp restaurants and directly start navigation to bring you there! Imagination mission accomplished, right?

Not quite. Imagination is the ability to form ideas that would otherwise remain isolated in our own minds (others can’t see or interact with them). That’s just the beginning, though.

As I had suspected at the outset, in order for me to be able to fully realize the ideas generated by my imagination, I’d need more information about the types of people who would be interacting with the car dashboard, which would then allow me to generate ideas I could present and test with relevant users.

Like imagining my cardboard box was a spaceship, Yelp integration in the car seemed very relevant to me, andit might have been a great idea if Toyota only sold cars to me. But because I didn’t know for whom I was imagining, I needed to do some homework.

Imagining In Context

I recruited 30 users who fit the demographics of folks who interacted with technology in the car. The process I adapted to trigger my imagination and come up with innovative ideas became:

  1. Question
  2. Observe
  3. Sort

1. Question

As I worked with each user, I wanted to understand both the context of the challenge and the current user experience of the infotainment system. First, I chatted with each user and had each person describe how he or she typically interacted with the car’s technology.

2. Observe

Next, we migrated from the office to the user’s car, where I sat in the passenger seat and observed how users interacted with their cars.

3. Sort

Finally, I wrote each user’s comments and observations on sticky notes. Then, two other colleagues and I performed an activity called affinity sorting. It’s pretty simple—you start with a blank wall and group the stickies with similar comments, actions, or ideas together, in order to understand the existing user experience.

After we took those three steps, it became very easy to generate ideas and formulate potential solutions, because the ideas I was generating were directly related to the people for whom we were designing.

Realizing Ideas

Once the imaginative juices begin to flow and we’re generating ideas, how do we realize them? How do we get users to interact with them? How do we validate that these ideas will truly benefit users?

To answer these questions on the Toyota project, we first transformed the ideas we’d generated into something with which users could interact: a paper prototype.

We invited each user back to walk us through their interaction with our prototype and asked them to rate the experience as something they would want to use and recommend to friends, or something they wouldn’t use at all. So, creativity process done?

Not quite, because the realization of the imagined ideas still existed in a form that was far removed from the actual user experience—actual customers would not be interacting with the infotainment system in paper form. We call this “Ice Cream Feedback.”

Ice Cream Feedback is when you get feedback from a user that checks your sanity but still isn’t the last step in validating your idea. After all, chances are, most users will respond, “Yes,” if you ask them if they like ice cream, but we still need to know how ice cream plays a role in their lives.

The lesson here: It was important to further align our ideas and bring them into the physical world, where we can evaluate the benefit of what we created with more certainty.

After the feedback on the paper prototypes, we needed to translate the user experience concept to an environment in which we could evaluate the real benefit to users. Our team spent the next few weeks building a platform that would visually appear as an existing infotainment system, but could load software that allowed users to interact with the new user experience. The platform needed to look like a real system and log data on users’ interactions with it. We installed these prototypes in the cars of real customers.

Realization has two parts: to transform our imagined ideas into reality and to quantify how our idea actually benefits real users. After evaluating how users interacted with the system for one month, we had completed our first cycle of imagination to realization.

Creativity is a Process, Not an Instance

This is just a snapshot of the creative process I use, showing an example of one cycle of imagination and realization. My project at Toyota had dozens of these cycles in a span of just three months, and the project informed product requirements for future systems, ultimately becoming the foundation from which we gathered real feedback from users.

The point I’m trying to make is that imagination informs realization, and realization informs imagination. It’s this continual cycle of push and pull that generates creativity. Some believe that you are either born with creativity, or not. I couldn’t disagree more. In fact, I hope this post  provides you with the tools to aid your creative process, like they do mine and also inspires you to continue to practice and forge your creative excellence in whatever you do.

Keyword: Soundproof Booth

Air Fryer With Lcd Touch 1500W 5L in Black

Discover the Devanti Air Fryer, featuring eight automatic cooking modes and a touch-sensitive control panel for effortless operation. Its 360-degree airflow ensures even cooking, while the large transparent window and interior lights offer easy viewing. Complete with a convenient timer, it’s the perfect addition to any kitchen.

Features:
  • Eight automatic cooking modes
  • Touch-sensitive control panel
  • 360-degree air flow for even cooking
  • Safety auto-off feature
  • Cooking timer feature
  • Suitable width for long food(fish, bread,etc)
  • Large transparent window and interior lights for easy viewing
  • Cool-touch handler and heat shield vent for safety
  • Stable non-slip feet
  • Non-stick pan, easy to clean

Specifications:
  • Power: 1500W
  • Control type: Touch control panel
  • Fryer basket capacity: 5L
  • Temperature range: 80-200 degree Celsius
  • Timer: 0-60minutes
  • Cable length: 109.5cm
  • Colour: Black

Package Content:
  • Devanti Air Fryer X1
  • User Manual X1

Keyword: sgwin