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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

Advantages of dual-channel micro-lubrication equipment

Doppelt is committed to the development of the lubrication industry in the direction of energy conservation and environmental protection, and is committed to the research and application of micro-lubrication in the field of mechanical processing and continuously launches new products in combination with practical applications. We have accumulated rich experience in the application of micro-lubrication in metal cutting, high-speed bearings, various common friction lubrication and other fields. New products are emerging in endlessly, and they are becoming a weapon for customers to reduce manufacturing costs, increase production efficiency, and green manufacturing.


The metal cutting dual-channel micro-lubrication device is a new economical oil-air lubrication device developed by Doppel according to the actual needs of customers. Customers can choose the corresponding parts according to the actual use. This model allows customers to have more autonomy in reducing the cost of oil and gas lubrication equipment, improving the use effect, and improving flexibility. The dual-channel micro-lubrication device mainly includes the following functions:

1. Adjustable oil supply: the dual-channel micro-lubrication device uses the frequency + single oil supply adjustment mode to adjust the oil supply. Set the oil supply frequency and the single oil supply to get the oil output per unit time. quantity.

2. Fast response: The outstanding feature of the dual-channel micro-lubrication device is fast response.In the practical application of oil-air lubrication, most lubrication occasions require quick response.The special design structure of the dual-channel micro-lubrication device (separate delivery of oil and gas) avoids the shortcomings of too long response time, and its application scenarios have also been expanded.

3. Flexible and lightweight: the dual-channel micro-lubrication device is small in size and can be used in small spaces.

4. Strong equipment stability: Compressed air is the power of the device, with few moving parts, low maintenance, and strong stability.


With the increasing demand for lubrication, lubrication equipment also needs continuous improvement and innovation. It is Doppy’s direction to improve the practicability of lubrication equipment and reduce costs and increase efficiency. Doppy will also help more customers to make more efforts in cost reduction and green manufacturing.

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