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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

Classification of CNC Machining Occupation Levels

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

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

Analysis on the precautions of car audio modification instructions

[Guide] There are a group of music enthusiasts active among car users. Their car is usually a mobile concert hall on the road, but do you know the six questions you need to think about before modifying the audio?

There are a group of music enthusiasts active among car users. Their car is a mobile concert hall on the road, but do you know the six questions you need to think about before modifying the audio?

1. Safety: During the disassembly and assembly process, the original car circuit cannot be damaged or short-circuited. When installing the equipment, the circuit can not be connected incorrectly, and the wrong connection will cause adverse consequences. The installed equipment must have insurance measures, otherwise it is prone to fire. The audio line must not interfere with the computer and electronic devices in the car, otherwise it will malfunction. It must be installed by professionally trained personnel to ensure safety.

2. Disassembly and assembly technology: in the process of refitting the audio, first remove the original car audio. Whether the disassembly and assembly are proficient is the fundamental problem of the modification. Because the screws are not visible on the surface of the instrument panel, it is necessary to pry off the decorative parts. Only the screws can be seen, the disassembly operation process requires professional and strict, otherwise it is easy to be broken. In the second step, you need to wire and replace speakers, you must disassemble the door panel, door side, instrument panel, seat, decorative panel, etc. During the disassembly and assembly process, you must have special tools and keep the original intact, otherwise it will cause malfunction. Issues such as aesthetics and noise.

3. Whether the product is qualified: There are many counterfeit brand-name equipment on the market now, so you must distinguish it when you buy it, otherwise there will be endless troubles. Some low-priced equipment does not show quality problems from the appearance, but the internal components are of poor quality, and the circuit design does not meet the standards. The sound quality of this equipment is not good, and it is prone to failure. Even spontaneous combustion occurs. You must go to the store authorized by the manufacturer to buy it before you can use it with confidence.

4. What is the sound quality effect: It is not necessarily good to buy famous brand products. The varieties of famous brand factories are also divided into high, medium and low grades. The high-grade ones may not be good. Good results. It’s not just a matter of just connecting a few lines randomly. The sound field positioning and phase cannot be wrong, otherwise the effect will be unimaginable.

5. Have you taken into account after-sales service? Car audio is used in sports and the environment is a bit harsh. Such as: temperature, humidity, vibration, dust, etc., it is easy to cause various failures of the audio, maintenance, warranty and repair are very important issues. Buy parallel imports, refurbished machines, clearance products, stolen machines, etc. at a low price. The warranty card is fake and there is no after-sales service. If it is damaged, it needs repair fees or scrapping, which is not worth it. Now the equipment sold in specialty stores is not necessarily expensive. There are many cost-effective equipment that can enjoy good after-sales service. Why not do it.

6. ​​Installation environment: some small shops are installed in the open air, the staff's work clothes are dirty, and the stereo is installed, but the interior and exterior of the car are dirty. It is a good thing to buy a new car and change the audio, but it brings many bad consequences, which is a painful thing. The professional shop is operated indoors, and its advantages are: (1) Clean, to ensure that the inside and outside of the car are clean. (2) It is not affected by temperature, and the plastic parts are easily damaged when the temperature is too low. (3) Not affected by the weather, it can work normally in wind and rain. (4) Because of the lighting, it can work during the day and in the dark. (5) Customers have a good lounge.

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.

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