Production process of jaws for woodworking machinery
A technology of woodworking machinery and production technology, applied in the field of powder metallurgy, can solve problems such as poor wear resistance and impact resistance, unsatisfactory performance, insufficient hardness, etc., to achieve the effect of reducing costs and improving overall competitiveness
Active Publication Date: 2022-02-18
青志(无锡)粉末铸锻有限公司
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Problems solved by technology
Often due to the limitations of the machine and the mold
It is impossible to achieve a state of completely uniform product density. In the part with low density, there are often phenomena of low strength, insufficient hardness, poor wear resistance and impact resistance.
but can not meet the performance
Method used
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Embodiment 1
[0025] The process includes the following steps:
[0026] (1) Mixing of raw materials: The composition of the water atomized iron powder is shown in Table 1.
[0027] Table 1
[0028] ingredients Fe C Cu Ni Release agent number of copies 90~95 copies 0.4~1 part 1~2 servings 3 to 7 servings 0.5~1.5 parts
[0029] The above-mentioned ingredients are weighed according to the ratio and then put into a mixer and stirred and mixed for 45 minutes.
[0030] (2) Compression forming: first press the woodworking machinery jaw (1) to press the blank by powder metallurgy forming process.
[0031] At this time, the body of the woodworking machinery jaw (1) has a weight of 33-38g and an overall density of 6.7-6.8g / cm 3 . However, because the tooth-shaped part (1-1) of the woodworking machinery jaw (1) is formed by the upper two punch surfaces in the molding process, the overall density of the woodworking machinery jaw (1) green body is 6.7-6.8g / cm 3...
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Abstract
The invention relates to a production process of jaws for woodworking machinery, belonging to the technical field of powder metallurgy. By configuring water-atomized iron powder, the woodworking machinery jaws are pressed by powder metallurgy molding technology, followed by copper infiltration and sintering to obtain woodworking machinery jaws; finally, deburring, size adjustment and tapping are performed to obtain woodworking machinery jaws finished product. Process of the present invention can prepare product density 7.2~7.4g / cm 3 , the hardness between HRB 95~105, and the precise tooth shape of the woodworking machinery jaw products greatly reduce the complexity of subsequent processing and reduce the occurrence of defective rates, effectively reducing production costs and improving overall competitiveness.
Description
technical field [0001] The invention relates to a production process of jaws for woodworking machinery, in particular to a method for manufacturing jaws for woodworking machinery by powder metallurgy, and belongs to the technical field of powder metallurgy. Background technique [0002] With the development of powder metallurgy technology, powder metallurgy structural parts are more and more widely used in various industries, providing a larger market for the application of powder metallurgy parts. At the same time, the performance requirements for powder metallurgy parts are getting higher and higher. The jaws used in woodworking machinery must not only have good wear resistance and impact resistance, but also maintain high strength and hardness. But the conventional forming and pressing process. It is often due to the limitations of the machine and the mold. It is impossible to achieve a completely uniform product density. In the lower density part, there are often phen...
Claims
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IPC IPC(8): B22F1/10B22F3/02B22F3/10B22F3/26B22F5/08C22C33/02C22C38/08C22C38/16
CPCB22F3/02B22F3/1021B22F3/26B22F5/08C22C33/0242C22C38/08C22C38/16C22C38/002B22F1/10
Inventor 刘醇彬刘季寰
Owner 青志(无锡)粉末铸锻有限公司