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Metallurgical technology of corrosion resistant steel alloy castings
Corrosion resistant steel alloy castings include corrosion resistant cast steel and corrosion resistant cast iron. The specific process is: martensitic corrosion resistant steel, such steel has w(C) between 0.10-0.45% and w(Cr) between 12.0-14.0%.
2019-11-16
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The difference between stamping and forging process
Forging is a combination of forging and stamping, and is a forming method for forming a part of a desired shape and size by using a hammer head, an anvil, a punch or a punching force of a forging machine to apply pressure to a blank to cause plastic deformation.
2019-11-16
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Technical requirements for mechanical drawings
PTJ SHOP collects the most comprehensive technical requirements for drawings, looking for machining factory, looking for PTJ SHOP
2019-11-16
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4 tips to improve machining efficiency of non-standard mechanical parts
In the process of processing non-standard precision mechanical parts in large machinery processing plants, although there are many small tips that are inconspicuous, if you can know and master these tips, you will get more efficiency with less!
2019-11-16
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Precision Solutions For Machining Slender Shaft
The PTJ Shop has a unique solution for the development of the process plan, the selection of equipment, and the design of the fixture when facing the slender shaft. Usually the processing of the slender shaft is done by the CNC machine. For the slender shaft with high concentricity, especially when the design of the part does not allow the U-turn machining, the PTJ Shop will select the multi-axis machining equipment to process the parts in a short time. (such as a four-axis CNC car or a five-axis machine)
2019-11-16
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Difficulties and solutions for laser cutting of thick steel plates
The laser cutting machine has no problem in cutting steel sheets below 10 mm thick. However, if a thicker steel plate is to be cut, it is often required to assist a high-power laser with an output of more than 5 kW, and the cutting quality is also significantly reduced. Due to the high cost of high-power laser devices, the laser mode of the output is also not conducive to laser cutting, so the traditional laser cutting method does not have an advantage when cutting thick plates.
2019-11-16
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Laser cutting vacuum pump diaphragm solution
Plastic or rubber diaphragms are a very important component in vacuum pumps. Because the diaphragm must form a closed seal between the inner and outer chambers of the pump, an efficient pumping process is completed. The edge of the diaphragm must be flattened and not rough or uneven.
2019-11-09
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How Are High Precision Parts Machined
Precision machining is a critical process in the manufacturing industry, enabling the creation of high precision parts that are vital components of various machinery, devices, and systems. These parts are found in industries ranging from aerospace and automotive to medical and electronics.
2023-09-22
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Three difficult solutions for aluminum alloy laser welding
Because laser technology has the characteristics of low welding heat input, small influence on welding heat-receiving area and deformation, it has received special attention in the field of aluminum alloy welding. On the other hand, due to its own defects, there are three major welding difficulties in aluminum alloy laser welding.
2019-11-09
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5 major 3D printing technology for turn metal into parts
3D printing is usually realized by digital technology material printer. Metal 3D printing technology can be directly used for rapid prototyping of metal parts. It has broad industrial application prospects and is the world's key 3D printing technology. Let's take a look at the five metal 3D printing principles of NPJ, SLM, SLS, LMD and EBM.
2019-09-28
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High-strength&ductile stainless steel parts can be produced
Recently, a joint research team from the University of Birmingham in the United Kingdom, Stockholm University in Sweden and Zhejiang University in China developed a new stainless steel SLM 3D printing technology with high strength and ductility, which overcomes the strength and ductility of additive manufacturing. The bottleneck. This process can be used to manufacture heavy components in the aerospace and automotive industries.
2019-09-24
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Model Classification Of Pipe Thread Lathe
Pipe thread lathes are mainly divided into ordinary pipe thread lathes and CNC pipe thread lathes according to different control and operation methods.
2020-01-18
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