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Grinding roller holder manufacturing process

A manufacturing process and technology of grinding roller seat, which is applied in the field of manufacturing process of grinding roller seat, can solve the problems of high production cost and high production requirements, and achieve the effects of good resistance to alkaline slag, stable heating volume, and prevention of oxidation

Inactive Publication Date: 2020-01-10
CHANGXING XIAOPU CAST STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To solve the problem that the production cost of the current grinding roller seat is relatively large, and the production requirements are relatively high, which requires a reasonable process flow, which not only ensures high quality but also ensures the most economical cost, a grinding roller is provided. seat manufacturing process

Method used

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  • Grinding roller holder manufacturing process

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Embodiment 1

[0032] The object of the present invention is to provide a kind of manufacturing process of grinding roller stand, it is characterized in that comprising the following steps:

[0033] s1. The design of the grinding roller seat:

[0034] Understand the use, performance and working conditions of the roller seat, clarify the position, function and technical requirements of the roller seat in the product, so as to determine the parameters of the roller seat; draw the design of the roller seat according to the determined parameters of the roller seat Drawings; the wall thickness should be uniform. If the wall thickness is not uniform, the cooling of the casting will not be uniform, and internal stress, shrinkage porosity, shrinkage cavity and cracks will easily occur at the junction; at the same time, the thickness of the inner wall should be smaller than the thickness of the outer wall. The wall, etc., have poor heat dissipation conditions, so they should be thinner than the outer...

Embodiment 2

[0056] The object of the present invention is to provide a kind of manufacturing process of grinding roller stand, it is characterized in that comprising the following steps:

[0057] s1. The design of the grinding roller seat:

[0058] Understand the use, performance and working conditions of the roller seat, clarify the position, function and technical requirements of the roller seat in the product, so as to determine the parameters of the roller seat; draw the design of the roller seat according to the determined parameters of the roller seat Drawings; the wall thickness should be uniform. If the wall thickness is not uniform, the cooling of the casting will not be uniform, and internal stress, shrinkage porosity, shrinkage cavity and cracks will easily occur at the junction; at the same time, the thickness of the inner wall should be smaller than the thickness of the outer wall. The wall, etc., have poor heat dissipation conditions, so they should be thinner than the outer...

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Abstract

The invention relates to the technical field of casting, in particular to a grinding roller holder manufacturing process. The process is characterized by comprising the following steps that s1, a grinding roller holder is designed; s2, a mould is manufactured; s3, smelting is performed at a smelting stage; s4, casting is performed at a casting stage; s5, cleaning is performed at a cleaning stage;s6, refining treatment is performed; and s7, inspecting is performed. The grinding roller holder manufacturing process has the beneficial effects that the wall thickness is uniform, cooling is uniform, and in places of joints, internal stress is not prone to occurring, and shrinkage porosity, shrinkage cavities and cracks are not prone to being formed; the thickness of the inner wall is smaller than that of the outer wall, the outer wall and the inner wall of a whole casting can be uniformly cooled, and internal stress and cracks are prevented from occurring; the gross weight of the casting is4600 kg, the casting weight is 7200 kg, the yield is required not to be below 60%, the sufficient heat preservation duration enables the interior of the casting to be fully solidified and not prone to deformation, and the situation that the surface of the casting is cooled quickly while the interior is cooled slowly after the casting is taken out, huge heat stress is prone to being produced, andthe casting is cracked and scrapped is prevented.

Description

technical field [0001] The invention relates to the field of casting technology, in particular to a manufacturing process of a grinding roller seat. Background technique [0002] In today's mechanization, grinding rollers are widely used in various industries, among which Raymond mill is the most used. Raymond mill is also called Raymond mill. The full English name is Raymond mill. It is suitable for the preparation of various mineral powders and coal powders, such as fine powder processing of raw material ore, gypsum ore, coal and other materials; from the appearance, it looks like a steel container standing upright, with air inlet and outlet, and a material inlet in the middle. ;The lower part of the grinding roller has a motor to drive the internal grinding stick and the grinding disc to rotate to crush or grind the material to be ground, and the wind through the air inlet blows up the finished material. There is a separator on the upper part of the grinding roller to sep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/02B22C9/22B22C1/02C22C38/16C22C38/14C22C38/08C22C38/06C22C38/04C22C38/02B22C23/02B22D27/09
CPCB22C1/02B22C9/02B22C9/22B22C23/02B22D27/09C22C38/002C22C38/02C22C38/04C22C38/06C22C38/08C22C38/14C22C38/16
Inventor 陈鹏飞
Owner CHANGXING XIAOPU CAST STEEL