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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much bett...

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form o...

What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th...

Precautions for replacing car wheels

 

The size and width of the wheel hub are a set of very important data. The larger the size, the thinner the tire should be, because the tire circumference should be kept as long as possible, otherwise the speedometer will have deviations. The thinner the tire, the more obvious the feeling on the road. The wider the wheel, the wider the tire that can be installed. Although it will increase fuel consumption, the larger the contact area, the more stable the grip. Friends who consider the performance of the car should reasonably replace the wider tires.

Taboo for replacing the wheel hub:

One uses a wheel that is too big

Many people think that as long as the wheel hub is installed without touching the outer plate, it is ok. In fact, remove the wheel and take a closer look at the structure inside. There are many places where it is very easy to get stuck, especially when the car is started. compression. Therefore, if you change the big wheel hub, you must use it appropriately, and you can’t drive the car after you can’t blindly seek beauty. Also pay attention to the width of the rim.

The second brake caliper stuck to the rim

Due to safety issues in current production cars, large brake calipers are often used. 4pot calipers are much larger than singlepot calipers.

In such cases, insufficient offset and inappropriately designed rims often get stuck in the brake calipers. Fortunately, it’s easy to find in this situation. Once it is installed, there is a rubbing sound when the wheels are running, so change it quickly.

Three is the tire width

When you run, you must carefully observe whether there is any wear caused by friction on the inner and outer sides of the tire. A tire that is too wide can easily be caught by some parts.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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