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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

Introduction to 5 key points of car maintenance

  Measure tire pressure

The tire measures every inch of the journey with its own body, which is extremely hard.Therefore, the tire pressure should be measured first to maintain the same tire pressure for all four wheels.If the tire pressure of a certain tire is abnormally low, carefully observe whether the tire is punctured, and repair it in time.If the wound is too large or the wound appears on the wall of the fetus, it can only be asked to retire.

There is also the problem of tire dynamic balance.The rough road in the wild may affect the dynamic balance of the tires. The originally smooth car suddenly seems to lose its temper, with abnormal tremors, which indicates that the dynamic balance of the tires has failed.The reason may be the deformation of the wheel hub, tire wear, or it may be that the balance weight clamped on the wheel hub was shaken off during a strong bump. Therefore, it is extremely necessary to rebalance each tire.

Oil change

During a self-driving trip, high-load operation will make the engine stand the test, so check the engine oil and water tank water.If it is an automatic transmission car, also check whether the transmission oil is missing, and if it is excessively consumed, it should be refilled in time.

If the self-driving trip is relatively long, it is best to change the engine oil, because the engine’s high temperature work for several days may cause the engine oil to deteriorate.And whether the engine belt is loose also needs attention.In addition, the dust during the journey may make the engine body, engine radiator and air-conditioning radiator covered with mud, which affects the engine’s heat dissipation and air-conditioning work. At this time, you need to go to a professional car dealer and use a special cleaning agent to treat the engine and radiator. Carry out special cleaning.

Do 4-wheel alignment

The bumpy road brings continuous impact to the chassis, and the four-wheel positioning of the vehicle may also be changed as a result, resulting in abnormal tire wear.Therefore, after returning from the journey, the chassis of the vehicle should also be checked, and if necessary, the four-wheel alignment should be done again for the car.Similarly, severe vibration can damage the steering system, and you should observe whether the steering gear ball head is loose.In addition, the screws of the chassis part should be tightened.

Check the brake system

The brake system is also an inspection link that cannot be ignored. Frequent braking and gravel-filled environments during the journey will severely wear the brakes.If the brakes are excessively worn, or there is a “hissing” noise when you step on the brakes, then the brakes need to be checked.

Clean the engine oil circuit

There are certain differences in the quality of oil in various regions, and even some of the oil quality is unqualified. Adding such oil will cause great damage to the engine and the oil circuit.If you use inferior gasoline, on the one hand, the engine will produce knocking and noise; on the other hand, it is easy to make the three-way catalytic converter fail. At this time, the engine will often be weak and fuel consumption will increase, which will seriously damage the internal parts of the engine.If the above situation occurs, it is best to go to the after-sales service station to drain the oil, and then add some additives to clean the oil circuit for maintenance.

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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