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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 bett...

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 o...

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 o...

Retrofit of old machine tools adopts trace lubrication

MQL processing is a processing method that atomizes a small amount of environmentally friendly lubricating oil with compressed air as the power and provides lubrication and cooling for cutting tools and workpieces. It is especially suitable for matching new machine tools and transforming old machine tools. The atomized oil mist particles are very small, generally micron-sized. MQL processing has the following advantages:

1. Since the lubricating oil is an environmentally friendly synthetic oil that is easy to decompose, the tools, workpieces, and chips are kept dry after processing, which is harmless to the human body and friendly to the environment.

2. Because the amount of lubricating oil is small, only a few to tens of milliliters per hour, which is only about one ten thousandth of the traditional pouring method, there is no need for waste liquid treatment equipment, which saves costs.

3. It can replace the traditional cutting fluid processing, and the old machine tool can be easily modified, which saves the production and operation cost of the enterprise and changes the production environment.

To
There are two supply methods for micro-lubrication: internal cooling and external spraying. The method of spraying to the cutting area through the internal cooling channel of the machine tool spindle and cutting tool is called internal cooling. There is no internal cooling channel to spray directly to the cutting area, which is called external cooling. The choice of internal cooling or external cooling depends on the original design of the machine tool, which is very convenient in terms of the transformation of its old machine tools, and has been widely used at present.

Link to this article:Retrofit of old machine tools adopts trace lubrication

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