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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...

Winter tires are vulnerable

I was about to go to work early in the morning and found that the tire of the car was flat. Experts remind that in cold weather, don’t forget to take good care of your car while dressing and hating yourself, because the rubber of tires in winter will become hard and brittle, and it is easier to leak air and puncture tires than in other seasons.
According to relevant sources, the temperature in winter is low, and the rubber of the tires will become hard and brittle, making it easier to leak air and puncture tires. After the cold weather, more car owners come to them to replace tires. Many car owners don’t pay attention to the maintenance of their tires, which leads to serious tire wear. Once the tires are not easy to repair, they can only change the tires.
Regarding how to maintain car tires in winter, relevant people said that under normal weather, tire inflation pressure should be appropriately increased to reduce tire wear and consumption. Old tires should be inflated every half month, and new tires should be inflated every one and a half months; and In the event of rain or snow and slippery roads, the tires should be decompressed in time to increase the tire’s grip and ensure safe driving.
Special attention should be paid to the fact that if you restart after parking, because the tires are relatively rigid, you must drive at a lower speed for a period of time after starting, and then drive at normal speed. During the driving, you must avoid stones and bricks. Wait.

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