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Working principle of slow wire processing

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 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...
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What are the rules for metal stamping die scrap tube?

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The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th...
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Introduction of KOVAR parts

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KOVAR parts are commonly used as metal casing materials in the electronic packaging industry. Because they have a linear expansion coefficient close to that of molybdenum group glass, and can produce less sealing stress during the sealing (melting) process with molybdenum group glass, so To obtain good air-tightness, in order to make the metal tube and shell to achieve air-tight sealing, in the entire sealing process, the annealing process undoubtedly plays an important role as a link between the previous and the next. The internal stress generated during KOVAR  machining also prepares the material structure for the implementation of the subsequent process-the sealing process of the metal parts. The main purpose of annealing Kovar shell before sealing is to: (1) Eliminate machining stress. When Kovar undergoes plastic machining deformation during cold working, about 10% to 15% of the applied energy is converted into internal energy, which is commonly referred to as internal stre...
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Different tires can be built with different programs at any time

cncmachining December 01, 2021

 

Curtain tube expanding and guiding device This device is composed of 12 umbrella-shaped support rods, which are driven by power to expand and close. Each support rod is equipped with a number of universal rollers, the front end of the support rod is equipped with a special-shaped air nozzle, and the rear part is equipped with a compressed air source distributor. When the curtain fabric tube is opened and introduced into the machine head, the nozzle simultaneously sprays compressed air to assist the traction. The opening and closing position of the expansion guide device can be automatically controlled by computer programming. Clamping and transferring device for the curtain tube. The clamping ring of the device is equipped with a clamping claw that matches the expansion and guiding device of the curtain tube. The clamping claw is driven by a cylinder to clamp and release the fabric, and is driven by a stepping electric motor for radial movement. , The front end of the cloth clamping claw is also provided with an air jet hole, which can assist the cloth clamping work, so that when the cloth clamping is introduced into the machine head, it forms an air film to work smoothly and is guided by the transfer device and positioned correctly. Improve product quality and work efficiency, and reduce labor intensity. For the replacement of the bias tire building machine, this device is two fundamental technological breakthroughs. It enables the front and back of the two important processes of tire building and the upper cord tube to obtain accurate and reliable guarantees from the process equipment.

Tire expansion device The front part of the machine is equipped with a tyre expansion device driven by a cylinder to peel off the shoulders of the green tire before unloading the tire. It replaces the work of the back pressure roller and saves auxiliary time. The pneumatic control system adopts novel pneumatic components, which are both beautiful and reliable, convenient for maintenance and replacement. The operation of the machine adopts an imported PLC microcomputer control system, and the supply status is programmed control, which can accurately control the whole process of tire building process. Different tyres can be programmed at any time. In order to improve the performance of the product, we have adopted an advanced human-machine interface touch screen display device to intuitively control and display the molding working status. The control system is designed and installed by the company’s electromechanical integration. China’s tire industry has a history of 65 years, and it has now become a major tire country in the world. Tyre building, one of the key links in tyre manufacturing, has undergone a process from manual work to mechanical building, and the degree of automation has also been improved step by step.

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.

Link to this article：Different tires can be built with different programs at any time

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