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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

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

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

How to properly maintain your car after the rain


In summer, there is a lot of rain, and many car owners believe that after the dust on the surface of the vehicle is washed away by the rain, the trouble of washing the car is eliminated. But in fact, rainwater often contains acidic substances. If the vehicle is not cleaned for a long time after being wetted by the rain, these acidic substances will corrode the bright film of the car paint* and make the paint surface eclipsed.

And some invisible asphalt fines, dirt, dust, etc. mixed in rainwater are also easily adsorbed on the paint surface of the car body. These dirts will generate oxides after exposure to the sun, which will leave indelible scars on the paint surface over time. Therefore, the cleaning of vehicles after rain is more important than ever.

Frequently check the working status of the wiper

In rainy weather, the wiper will come in handy, but the rubber blade of the wiper is prone to aging, hardening, or even cracks after a period of use. Raindrops are not cleaned cleanly and the front view is blurred, which often causes some accidents.

When doing wiper maintenance, the owner can place the wiper switch at various speed positions to observe whether the wiper is vibrating or abnormal noise during work, check whether the wiper maintains a certain speed at different speeds, and observe the state of the wiper. And whether the wiper rod has uneven swing or missed scraping. If one of these two failures occurs, it means that the wiper blade is damaged. At this time, the owner can slowly pull up the wiper blade and touch the wiper blade with his finger to check whether the rubber blade is damaged. If the blade is aging, hardened or even cracked, it should be replaced in time.

It is important to dehumidify and sterilize the interior of the car on rainy days

The hot and rainy climate makes the air humid. If the air is not dehumidified regularly, the enclosed space in the car will easily breed various germs, which will affect the health of the drivers and passengers. Therefore, riders need to start dehumidification and sterilization immediately after the rain stops. When it rains, turning on the cold air of the air conditioner can not only remove the fog, but also has the function of dehumidification. Use a professional car interior cleaner and wipe it with a dry cloth. If there is no detergent, wipe the key parts with a clean towel or paper towel in time to keep the car clean.

The convenient way to dehumidify the car is to find some cool and ventilated place and open all the doors so that the moisture in the car can be completely removed in time. Then remove the foot pads and seat covers in the car, wash them, and dry them in the air. The cleaning of the rear compartment should also not be ignored. First, take out the items, use a vacuum cleaner to remove the dust, and then directly wipe the rear compartment with a cleaning cloth soaked in water or detergent, and then put the items back in the rear compartment after it is air-dried.

In addition, the air conditioner after rain often has a mildew smell. You can turn on the warm air of the air conditioner to the maximum, and use various air outlet modes in turn, about 15 minutes. When the air conditioner is working, the temperature of the air outlet reaches 40-50°C, which can evaporate the hot flash air inside, thereby removing the mildew smell.

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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