PTJ\u00aeCNC machning factory started in 2007. We are a Chinese factory that provides one-stop service for customized parts processing for global customers. We have more than 5,000 square meters of industrial park, and have passed ISO 9001:2015, ISO... المزيدPTJ\u00aeCNC machning factory started in 2007. We are a Chinese factory that provides one-stop service for customized parts processing for global customers. We have more than 5,000 square meters of industrial park, and have passed ISO 9001:2015, ISO 14001 and BS OHSAS 18001 certification. In addition, we have more than 150 skilled workers, more than 20 experienced engineers, and well-trained international sales staff. We can quickly give you professional feedback on all the detailed information and problems of your projects.
We provide CNC machining and rapid prototyping parts, as well as low-to-medium-volume CNC rapid production parts turning customized processing services. Produce metal and plastic parts with unparalleled precision. We have more than 50 CNC machining centers, lathes, grinders and other processing equipment, and can provide you with various CNC machining services, including milling, turning, etc.
Consult us immediately, you can optimize the quality of your products and achieve... أقل
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Method of pouring and cleaning of castings
Commonly used pouring methods in investment casting are:
1) There are the following types of thermal gravity casting methods.
This is the most widely used form of casting, that is, after the shell is removed from the roaster, it is cast at high temperature. At this time, the metal cools slowly in the mold shell, and the mold can be filled with high fluidity, so the casting can well replicate the shape of the cavity and improve the accuracy of the casting. However, the slow cooling of the casting in the hot mold will cause coarse grains, which reduces the mechanical properties of the casting. When casting carbon steel castings, the surface of the casting that cools more slowly is also prone to oxidation and decarburization, which reduces the surface hardness, finish and dimensional accuracy of the casting.invest-casting.com Precision Investment Castings China prototype company service include : High Quality Investment Casting Parts Custom,
