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
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
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
Several common surface treatments for steel structure bolts
Electroplating, hot dip galvanizing and mechanical equipment plating on the surface of fasteners are widely used. The whole process of creating a soil layer on the surface of fasteners can show a more beautiful and elegant surface after surface treatment, and the corrosion resistance of fasteners themselves will gradually improve.The key goal is to make the fasteners themselves get corrosion resistance, in order to improve the credibility and adaptability of fasteners application, so the quality of the surface treatment of fasteners to distinguish, the key is to check whether the corrosion resistance of fasteners is reasonable, and the intensity of the improvement is not in line with the estimated provisions.
1, fasteners, fastener of electroplating electroplating is refers to the fasteners must be part of the electroplating entering into a special solution, the solution will have some accumulation of metal materials, chemical substances, as in electricity flow according to the solution, the aqueous solution of metal materials chemical dissolving and adhesion on into part of the fasteners.The electroplating of fasteners generally includes hot dip galvanizing, copper, nickel, chromium, copper nickel alloy, etc.
2, fastener hot dip galvanized fasteners is the fastener of carbon steel components into the attention of about 510 degrees of molten zinc plating tank, so that the surface of the fastener iron zinc alloy material will change to passivation zinc treatment, and then get the actual effect of surface treatment.The price of hot-dip galvanized fasteners is higher than that of electroplating, about 1.5¥ ~2 ¥ for 1 kg.
3, mechanical equipment of fasteners plating mechanical equipment plating fasteners refers to according to the special physical and organic chemistry way, with coating metal material powder, impact the surface of the fastener, so that the coating metal material according to the way of cold welding, produce coating on the surface of the fastener, to achieve the actual effect of surface treatment.Mechanical equipment of fasteners plating key applicable screws, nuts, gaskets and other accessories.
Main products: steel structure bolts and nuts, high strength bolts and nuts, hex bolts, hex nuts, chemical bolts and nuts, and more types of customized screws, nuts and bolts.
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