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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

Elimination of Gear Backlash in CNC Machining Feed System

Elimination of Gear Backlash in CNC Machining Feed System   The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap.   1. Rigidity adjustment method   The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity.   (1) Eccentric shaft adjustment method   As shown in Figure 610, the gear 1 is mounted on th

What are the Main Advantages of Precision Part Machining?

Keywords:Precision parts

Where are the main advantages of precision parts processing?

In the precision parts and ordinary parts, more and more people will tend to choose the former, also as a component of machinery, precision parts why will be more popular?What are the benefits of precision parts processing?The following by our chief engineer to introduce to you:

Parts in the process of processing, due to the influence of various factors, it is easy to lead to its own defects.For example, the appearance is not up to standard, the scope of use is limited, and so on. The existence of these defects is bound to bring some problems to the use of parts.In order to overcome these problems and give play to the unique value of parts, precision parts machining is the best choice.

Choose precision parts processing, not only can effectively improve the material quality, precision parts, exert its function, still can make parts durability greatly improve, improve the quality of the whole machine, precision machining is beneficial for improving the dimensional accuracy of parts, so the most direct effect is to do a make parts interchangeability, which increases the wear resistance and service life of parts.

It is because of these advantages that precision parts machining is so popular.Equipment assembly can also have a more suitable field to be used, so that its value is the ultimate play.From this point of view, we must pay attention to precision parts processing links.

After processing different parts, we can get more suitable parts for ourselves.Therefore, in order to make these products better for their own service, play its most extreme value, so many are not necessary precision machining this important link.

What is machining?

Mechanical processing is a process of changing the size or performance of the workpiece with processing machinery. According to the temperature state of the workpiece, it is divided into cold processing and hot processing.Generally processed at room temperature, and does not cause the chemical or phase change of the workpiece, called cold processing, generally higher or lower than the normal temperature processing, will cause the chemical or phase change of the workpiece, called hot processing.Cold processing can be divided into cutting and pressure processing according to the difference of processing methods, hot processing common heat treatment, calcination, casting and welding.

Also often need to use when assembling the hot and cold processing, such as: bearing tend to inner ring when it is assembled in the liquid nitrogen cooling shrink its size and amplify the outer heating the appropriate size, and then the assembly together, the wheels of the train outer ring is also use the method of heating to be set on the substrate, that is united in wedlock can guarantee its on cooling.

 

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