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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

Application occasions of economical concentric tube micro-lubrication device

Concentric tube Tur oil-air lubrication system is suitable for machine tool electric spindles and various high-speed bearings, center frames, guide rails, lead screws and other oil and gas lubrication. It is also especially suitable for external cooling metal cutting processing, suitable for gear processing, milling, turning, and drilling. The equipment for cold processing outside machine tools such as machining centers and the transformation of old machine tools realize energy saving and environmental protection.
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Combining the nozzles to achieve lubrication and cooling to prevent aggravation of wear; oil and gas are transported in a split way, and mixed at the lubrication point terminal to make the lubrication more reliable. The oil feed frequency of the pneumatic micropump is controlled by the autonomous controller, and the micropump can manually adjust the output flow of each stroke. The pressure switch can be selected according to the actual situation to detect the gas source pressure and oil and gas pressure and give an interlocking alarm signal when the pressure is lower than the set value. The fuel tank level switch monitors the fuel tank level and triggers an alarm when the fuel level is low. The modular design makes this system particularly adaptable and easy to increase and decrease the number of lubrication points. Using an external controller can further expand the adaptability of the device. The application of high technology enables the lubrication device to be independently controlled, easy to install, and easy to adjust.


The Sipu concentric tube device is an economical dual-channel oil and gas lubrication device developed according to the actual needs of customers. The SP concentric tube device mainly includes the following functions:

1. Adjustable oil supply volume: The adjustment of the oil volume per unit time of the SP concentric tube device adopts the adjustment mode of frequency + single oil supply volume, that is, after setting the oil supply frequency and the single oil supply volume. Get the oil output per unit time.

2. Quick response: The special structure of the SP concentric tube device (oil and gas are transported separately) avoids the shortcomings of long response time, and its application occasions have also been expanded;

3. Lubricant consumption is greatly reduced;

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect. 4. Improve work beat;

5. Better surface finish of the workpiece; 6. Flexible and light: The SPU concentric tube device is small in size and can be used in a small installation location.

7. Strong equipment stability: The device is powered by compressed air, with few moving parts, low maintenance, and strong stability.

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