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Method for manufacturing large-diameter concretion abrasive wheel

A production method and large diameter technology, applied in the direction of manufacturing tools, metal processing equipment, grinding devices, etc., can solve the problems of unbalanced grinding wheels, high production costs, and difficult quality assurance, so as to improve the overall strength and achieve good grinding effects , The effect of saving raw materials

Inactive Publication Date: 2008-12-10
JIANGSU SUBEI GRINDING WHEEL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As we all know, the larger the diameter of the grinding wheel, the worse the uniformity of its forming feeding and spreading, and the poor uniformity will directly lead to the imbalance of the grinding wheel, affecting its gyration strength and grinding effect, and easily causing waste products
The solid grinding wheel with a diameter greater than 900mm is the so-called large-diameter consolidated grinding wheel. The traditional production method requires not only a large-tonnage (above 3000T) press, large-diameter forming tooling equipment (molds, spreaders, turntables, etc.), Moreover, large diameter and large volume kiln body and kiln furniture are required for kiln installation and firing, which are prone to defects such as hidden damage, raw burning, and cracks.
Due to large equipment investment, high production cost, and difficult quality assurance, the manufacture of large-diameter bonded grinding wheels has always been a major problem in the grinding wheel industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] Example 1: The method of making a large diameter consolidated grinding wheel of φ1600mm is as follows:

[0016] 1. Make a disc-shaped precision cast aluminum substrate with an outer diameter of 1400mm, a thickness of 60mm, and an inner hole diameter of 305mm; the outer circle of the substrate has a U-shaped groove with a width of 50mm and a depth of 5mm;

[0017] 2. Processed evenly distributed 24 adjustment holes with a diameter of 10mm on the circumference of φ1300mm on one side of the substrate, and processed 72 uniformly distributed bonds with a diameter of 8.5mm on the bottom of the U-shaped groove on the outer circular surface of the substrate. hole;

[0018] 3. Partially hollow out the abdomen of the base body, leaving stiffeners and spokes;

[0019] 4. Make 24 pieces of the same fan-shaped grinding blocks according to the requirements of the consolidated abrasives. The 24 pieces of grinding blocks should be able to be combined into a grinding ring with an inner diam...

example 2

[0024] Example 2: The method of making a large diameter consolidated grinding wheel of φ1100mm is as follows:

[0025] 1. Make an aluminum alloy substrate with an outer diameter of 960mm, a thickness of 50mm, and an inner hole diameter of 305mm;

[0026] 2. Process 18 uniformly distributed adjustment holes with a diameter of 10mm on the circumference of φ900mm on one side of the substrate, and process uniformly distributed 36 bonding holes with a diameter of 8.5mm on the outer circular surface of the substrate;

[0027] 3. Partially thin the abdomen of the base body, leaving stiffeners;

[0028] 4. Make 18 pieces of the same fan-shaped grinding blocks according to the requirements of the consolidated abrasives. The 18 pieces of grinding blocks should be able to be combined into a grinding ring with an inner diameter of 960mm, an outer diameter of 1100mm, and a thickness of 50mm. The adjacent gap is 6mm, and each Prefabricated 2 reserved holes on the inner arc surface of the grindi...

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Abstract

The invention discloses a method for manufacturing large-diameter consolidated grinding wheels, belongs to the technical field of large-diameter grinding tool manufacturing and essentially includes the following operation steps: making a metal matrix, preferably selecting the precision casting aluminum and processing an adjustable hole and a binding hole on a matrix plane and an external circular plane; making 12 to 48 fan-shaped grinding blocks, pre-casting a reserved hole on an inner arc surface of the grinding block, inserting the binding hole and the reserved hole after coating the adhesive with a corresponding metal pin, compressing and sticking a combining position of the grinding block and the matrix after coating the adhesive and then carrying out the external circular repairs and the balance tests of the grinding wheels; the gaps of 2 to 8mm are best reserved after the grinding blocks are stuck. The method is used for manufacturing the large grinding wheel with the diameter bigger than 900mm and has the advantages that the method is low in equipment investment and production cost, simple in manufacturing and can ensure the product quality; gaps exist between the neighboring grinding blocks, which is favorable for the heat diffusion, chip removal and can improve the grinding effect.

Description

Technical field [0001] The invention relates to a method for manufacturing a consolidated abrasive tool, in particular to a method for manufacturing a large-diameter consolidated grinding wheel with a diameter greater than 900 mm. Background technique [0002] As we all know, the larger the diameter of the grinding wheel, the worse the uniformity of forming and feeding materials, and the poor uniformity will directly lead to the imbalance of the grinding wheel, affect its rotation strength and grinding effect, and easily cause waste. The solid grinding wheel with a diameter greater than 900mm is the so-called large-diameter consolidated grinding wheel. The traditional manufacturing method requires not only a large-tonnage (above 3000T) press, and large-diameter forming tooling equipment (molds, spreaders, turntables, etc.). In addition, kiln bodies and kiln furniture with large diameter and large volume are required for kiln installation and firing, which are prone to defects suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D18/00
Inventor 张平黄海平乔卫东王训扬
Owner JIANGSU SUBEI GRINDING WHEEL FACTORY