Product Description
Company Profile
ABT Plastics&Electronic(ZheJiang )Co.,Ltd. was established in 2005, the main products are all kinds of wiring harness, machining products, control cabinet assembly and related electronic assembly, we serve a number of Global 500 and multinational companies (such as:
Honeywell, Schneider, Siemens, Danfoss, Setra, Delaval, SEW, Leybold, Gamesa, ABB…), our company has passed ISO9001, ISO14001, ITAF16949, UL and CSA certification, nearly 100 customers. Our products are widely used in aerospace, rail transit, ship, automobile, industrial control, home security, medical equipment, industrial and agricultural equipment, instruments and meters and other fields.
In addition to domestic sales, we also export to the United States, Canada, France, Japan, Belgium, Ireland and other countries.
Our philosophy is “safety, quality, efficiency, service, saving” through the lean cost to quickly provide customers with quality products and services beyond expectations!
The company has a high-quality, experienced, professional research and development team and management personnel, relying on leading technology, very competitive prices, excellent quality, timely delivery and first-class service, to develop and produce products to meet various technical requirements for customers, and to provide continuous technical support and service.
We take good customer service as our own duty!
We continue to optimize the process, CZPT and innovation, our company developed rapidly with a strong momentum.
We firmly believe that “Customer Service, Be Perfect!”
With the service tenet and firm belief of common development with customers, ABT will be the best choice for your wiring harness and supporting products.
Our Advantages
Technical Skills:
We have a Professional Research and Development group with 10 people. They are all graduated from the famous university in China and with Bachelor Degree or Master Degree. They get well known with the customers requirements and design a good quality goods for customers.
Customer Service:
We have a 8 people group of customer service. They are very kind and meticulous to serve our customers and get the good reputation from our customers.
Product Description
Name: Wiring Harness
Material of Conductor: Copper Wire or Customized
Various colors are available
1. OEM/ODM orders are accepted.
2. With RoHS compliance, goods are 100% tested before shipment.
3. AMP, Molex, JST, JAE, Lumberg and Inaca OEM connectors and terminals.
4. The wires are UL, CSA, VDE certificated.
5. Technology process: Cuting, crimping, welding, assembly and testing.
FAQ
FAQ
Clients: Are you trading company or manufacturer?
ABT: We are definitely manufacturer in ZheJiang , welcome to visit our factory any time.
Clients: What files do you need for a wire harness Assembly or customized quotation?
ABT: Drawing, or component type number#, specifications or physical sample, Equipped with professional equipment, technicians & skilled employees, OEM & customized service are welcome.
Clients: What about your target market ?
ABT: We offer open quotation with BOM and process for you double check, if you think any components or process are high price than your supplier or standard field, we would follow your current supplier way, core value work with you high quality ,reasonable price, quick response.
Clients: What’s the order procedure?
ABT: First we discuss order details, production details by email or Phone call. Then we issue you a PI for your confirmation. For old customer, you will be requested to do pre-paid full payment or deposit advanced payment before we go into production. After we get the deposit, we start to process the order. Before production has been finished, we will contact you for shipment details & balance payment. After balance payment is settled, we’ll prepare the shipment immediately. For new customer, 100% T/T before production.
Clients: How can I get a sample?
ABT: Please send us your drawing and specification, then we will arrange the sample, we will charge the sample cost to the customer.
Clients: How about your lead time?
ABT: Generally it is 7-10 days if the goods are in stock, or 15-25 days if the goods are not in stock. It depends on order quantity.
Clients: Are these products quality assured?
ABT: All of our products are certified, We have UL, CSA, ISO9001, ISO14001,ITAF16949. Our Supplier are strictly selected. We have strict QC, all products are 100% tested before delivery.
Clients: Do you have enough capacity?
ABT: Our factory have about 30% spare capacity, your order will be accomplished in time.
How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with 2 M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the 2 parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Angular contact
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in 1 direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to 5 times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings
Ball bearings are circular structures with 2 separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right 1 for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between 1 and 5 million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least 1 million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings
The basic principle behind sliding-contact bearings is that 2 surfaces move in contact with 1 another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, 1 element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their 2 surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in 2 different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the 2 elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.
