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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

Brief Analysis of Motor Drive Disk

 

The material selection and machining accuracy of the worm gear are also very important. Use 10P polyoxymethylene (POM), or use glass fiber reinforced nylon or reinforced polycarbonate (PC). However, pOM has good comprehensive performance, high bowing, rigidity, impact, fatigue, and creep resistance. In particular, it has outstanding fatigue resistance and is easy to form. It is the best among thermoplastic engineering plastics. It has a small and stable friction coefficient, low water absorption, good dimensional stability, and low price, so it is our best choice.

In order to buffer the impact force generated by starting in the forward and reverse directions and ensure the life of the transmission parts, the transmission disc needs to be equipped with a rubber transmission disc with good oil resistance, wear resistance, high bow change and good elasticity under high temperature and low thirst. The structure size is matched with the worm gear. , Embedded in the worm gear. The material is nitrile butadiene rubber with excellent oil resistance, and its heat resistance is also better than natural rubber and nitrile rubber. Matched with the rubber drive disc and embedded in the worm wheel is a metal drive disc with 3 uniformly distributed on the disc.

Motor drive disc Five-window motor noise cut-off system When electromagnetic design, we first consider the suppression or reduction of motor noise. In terms of equipment, the armature bearing position and the matching of the bearing chamber are also required. Choose low-noise copper-based (or iron-based) oil-impregnated bearings, and choose copper: ink brushes. The matching gap between the carbon brush and the brush holder should be no more than 0.1lnrn on one side. During the trial operation, the contact surface of the carbon brush should be >70%. The surface of the commutator on the armature should be controlled within 0.01m. In addition, the manufacturing precision and matching clearance of the worm and worm gear, and the axial clearance of the motor should be strictly controlled.

For 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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