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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 better t

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

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 of numbers and lette

Inventory of five daily car maintenance tips

Regardless of any braking system, the braking action is ultimately completed by the brake pads (disc type) or brake shoes (drum type). Therefore, regularly check the thickness of the brake pads or brake shoes. When it is found that its thickness is close to or less than the minimum thickness specified by the manufacturer, it should be replaced immediately. When checking the brake pads, also check the wear of the brake disc or the brake drum. If there are dents on the contact surface, the disc or drum should be timely to ensure the contact area with the brake pads and improve the braking force.

With the continuous development of the economy, cars have entered many Chinese families, but after driving for a period of time, it is unavoidable that the car breaks down, and it is annoying for the car owner. The car repair master has a mantra: “Three points of repair and seven points of nourishment” is the truth. But what about car maintenance? Now I have summed it up and hope to share it with you.

**, brake system inspection

Regardless of any braking system, the braking action is ultimately completed by the brake pads (disc type) or brake shoes (drum type). Therefore, regularly check the thickness of the brake pads or brake shoes. When it is found that its thickness is close to or less than the minimum thickness specified by the manufacturer, it should be replaced immediately. When checking the brake pads, also check the wear of the brake disc or the brake drum. If there are dents on the contact surface, the disc or drum should be timely to ensure the contact area with the brake pads and improve the braking force.

In addition, it is necessary to check the fluid level of the brake fluid. If the fluid level is found to be too low, an appropriate amount of brake fluid should be added according to the situation (the same brand of brake fluid must be added. Different brands of brake fluid may corrode the brake pipes and Affect the braking effect), the height of the liquid level should be kept between the upper and lower limits of the scale line of the brake oil tank.

Second, appearance and paint inspection

The appearance here includes the body surface and all the parts you can see. Although it sounds complicated, it is actually very simple. For example, after a long-distance high-speed driving, whether your body paint is damaged (because the high-speed driving will inevitably encounter small stones bouncing from the road, causing damage to the paint), then check the The method is to wash the folded car and then circle your car twice and find the injured part in time.

Third, the internal parts inspection

After a long journey, a component in the engine compartment needs to be inspected. It is the “air filter.” If there is more dust on the way than in the city, the air filter may absorb too much dust during this period of time , and if the dust enters the engine, it will cause wear and tear on various parts of the engine; for example, the air filter is blocked and It will cause the engine’s air intake to be poor and the power to drop. Therefore, it is necessary to remove the air filter and check it.

Fourth, engine oil inspection

The engine is the “heart” of the car. How to keep the “heart” of the car young, we must start with the daily use and maintenance of the engine compartment. If car owners and friends can personally check various common parts in the engine compartment, they will not only know the daily use situation well, but also the best embodiment of caring for the car. The daily inspection of common parts in the engine compartment is the most basic maintenance work, and it is also crucial for the normal operation of the engine

Fifth, tire inspection

Car tires not only carry the full weight of the car body, personnel and goods, but also gallop at a speed of tens of kilometers or even hundreds of kilometers per hour, requiring extremely strong mechanical strength. After long-term use, due to wear, aging, fatigue and mechanical damage, the performance of the tire will be greatly reduced, and it cannot meet the needs of high-speed driving of the vehicle. At this time, depending on the specific situation, you can choose to replace the spare tire and go to the 4S shop for further inspection as soon as possible. In addition, after a long period of bumps, the positioning of the tires may fail. At this time, the most notable feature is that the vehicle will deviate and jump. If this happens, you need to go to the 4S shop for inspection.

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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