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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...

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...

Summer is coming, car tires are very important to cool down and prevent heatstroke

Since the fall, the high temperature has continued, and the surface temperature in the afternoon is as high as 50 or 60 degrees Celsius, which has caused great discomfort to people and also brought many safety hazards to the car. To this end, the Beijing The Municipal Meteorological Bureau has launched popular science videos to remind citizens that cars should also prevent “heatstroke” in the hot summer.

First of all, summer is a period of high incidence of car tire explosions. Many citizens believe that reducing the pressure by deflating the tires can effectively prevent this problem. And the car consultant said that high tire pressure is easy to puncture, and low pressure is also easy to puncture. The correct method should be to adjust the tire pressure to the lower limit of the specified value. If the standard air pressure of car tires is 2.3 to 2.5 MPa, it can be adjusted to the lower limit of 2.3 MPa in summer.

In summer, you should also pay attention to the water temperature meter. In summer, when the engine is overheated and the outside temperature is too high, the vehicle enters a period of high incidence of spontaneous combustion. If the water temperature is too high, there will be some obvious symptoms, such as engine power drop, air conditioner failure, etc. Due to the high temperature, the engine may deflagrate, and the engine may have abnormal working noise. After these symptoms appear, the car consultant reminds the car owner not to get out of the car and open the front cover for inspection. The correct approach is to park the car aside and allow it to cool down naturally. Because the water temperature is too high, spontaneous combustion may have occurred. The moment the front cover is opened, air enters, which can easily burn people; in addition, the coolant that has been “boiled” may also burn people.

When the car uses air conditioning in summer, the external circulation should be used as much as possible. If the parking time is relatively long, more than 10 to 15 minutes, try not to cool off in the car; the air-conditioning filter is guaranteed to be replaced once a year. Do not rush to raise the window to the end within 2 minutes of the air conditioner functioning after getting in the car. Because the interior of the car and the air ducts of the air conditioner are made of plastic or rubber, which emits some harmful gases to the human body, it is necessary to use this 2 minutes to exhaust all the harmful gases in order to get all the windows. rising.

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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