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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

Motor shaft core manufacturing technology

The iron core is an important part of motor products, which are generally made of silicon steel plates with a thickness of 0.35 mm and 0.5 mm. Core stamping manufacturing equipment is important in all aspects of motor manufacturing. Currently, China’s high-speed precision stamping iron filing and core are automatically rivet, iron core is 3 rows, iron core twist groove and rotary rivet, iron core double truss rivet, iron core double row rivet, twist groove rivet, semi-circular stator core rivet, Stator core multi-stack,

For example, the combination of long straight stator core coil and laminated rivet high-speed precision stamping production technology is not inferior to international advanced technology.

Among them, the 3-core high-speed precision stamping manufacturing process for wedge-shaped rivet products is a core material of 50W470 silicon steel plate with a material thickness of 0.5 mm and a material width of 307.5 mm.

These include material take-up equipment, S-leveling equipment, material supply equipment lubrication equipment, high-speed precision presses, and large-scale precision progressive dies. Nail holes for automatic punching guides, rotor piece rivet processing holes, rotor marking holes, rotor weighing holes, rotor groove shapes, rotor plate step holes, rotor plate stacking points, rotor plate holes, rotor chip blanking stack rivets and torsion grooves, The stator chip notch, stator chip marking hole, stator piece weighing hole, stator groove shape, stator plate stack rivet point, stator piece internal hole, and stator parts are punched and riveted for multi-station multi-process continuous punching. It is done and three sets of stator core products are completed at once. The thickness of the core stack is 105 mm. The outer diameter of the stator core is 110.52 mm, and the outer diameter is 55.1 ± 0.01 / 0.02 mm.

It is produced by a large high-speed precision press with a production capacity of 300 tons. The stamping speed is changed from 280 times per minute to 320 times, and the core product is automatically output during the stamping process.

Link to this article:Motor shaft core manufacturing technology

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