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Intensifying fabricating methods for finishing operation of parts

A processing method and finishing technology, which is applied in the field of parts finishing and strengthening processing technology, can solve problems such as low processing accuracy, low production efficiency, and danger, so as to improve dimensional accuracy and shape accuracy, correct shape and position errors, and improve production efficiency. high effect

Inactive Publication Date: 2003-10-08
CHINA NATIONAL HEAVY DUTY TRUCK GROUP
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Problems solved by technology

[0002] In the machinery manufacturing industry, the mechanical extrusion technology can strengthen the surface of the part and have a good roughness. It is usually applied to a single geometric shape. The processing of multiple geometric shapes of a part generally adopts the fine milling method, that is, using a forming milling cutter First mill out one geometric shape, and then mill out other geometric shapes in turn. This processing method is simple and has high production efficiency, but low processing accuracy.
In order to overcome the problem of low machining accuracy in the fine milling method, the fine milling-finish grinding method is used to leave a certain margin during the fine milling, and then carry out fine grinding to the design size in turn. This processing method improves the processing accuracy, but it needs Frequent dressing of the grinding wheel ensures that it matches the geometry of the forming milling cutter, which makes the production efficiency low and is not suitable for mass production, especially when processing open blind slots, it is easy to crush the grinding wheel and cause danger

Method used

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  • Intensifying fabricating methods for finishing operation of parts
  • Intensifying fabricating methods for finishing operation of parts
  • Intensifying fabricating methods for finishing operation of parts

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Embodiment Construction

[0017] Accompanying drawing has provided structural representation of the present invention, press figure 1 And the structural design of Fig. 2 manufactures a special finishing hydraulic press. The hydraulic press consists of a base 8, a hydraulic sliding table 7, a top mechanism 5, a bracket 4, a fixed seat 6 and a curved plate 1. The curved plate 1 and the hydraulic sliding table 7 are installed on the base 8, and the fixed seat 6 is installed on the hydraulic sliding table 7. , which is equipped with two top mechanisms 5 for pressing in and out parts, and the bracket 4 is installed on the bent plate 1, and is provided with two stations for supporting parts. Design and manufacture a set of finishing mold 2 according to the structural design of Fig. 3, be made up of finishing mold 11, finishing pin 12 and finishing cover 13, finishing cover 13 is used for fixing finishing pin 12. The cavity of the finishing die is designed as a group of multiple finishing dies of different s...

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Abstract

A technology for finishing and reinforcing part includes designing and making a set of finishing mould composed of sizing die, finishing pin and finishing sleeve, loading the geometric body to be squeezed in the part into sizing die, squeezing it to pass it through the die, and squeezing again with another mould having different size. Its advantages are high effect on increasing size precision and reinforcing surface, and high productivity.

Description

(1) Technical field [0001] The invention relates to a process method for finishing and intensifying processing of parts, and belongs to the technical field of extrusion in mechanical manufacturing. (2) Background technology [0002] In the machinery manufacturing industry, the mechanical extrusion technology can strengthen the surface of the part and have a good roughness. It is usually applied to a single geometric shape. The processing of multiple geometric shapes of a part generally adopts the fine milling method, that is, using a forming milling cutter Mill out one geometric body first, and then mill out other geometric bodies in turn. This processing method is simple and has high production efficiency, but low processing accuracy. In order to overcome the problem of low machining accuracy in the fine milling method, the fine milling-finish grinding method is used to leave a certain margin during the fine milling, and then carry out fine grinding to the design size in tu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C23/02
Inventor 范建明钱浩祥孙兆学
Owner CHINA NATIONAL HEAVY DUTY TRUCK GROUP
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