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A kind of cbn cutting grinding wheel of resin bond and its manufacturing process

A production process and bonding agent technology, applied in the direction of bonding grinding wheels, manufacturing tools, abrasives, etc., can solve the problems of low life and low durability of grinding wheels, and achieve improved life and durability, high grinding efficiency, and high hardness. Effect

Active Publication Date: 2018-02-13
ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a resin bonded CBN cut-in grinding wheel and its manufacturing process. The grinding wheel produced by the process of the present invention solves the problems of low durability, low service life and low dimensional accuracy of the processed workpiece at present, and improves production efficiency. , to overcome the current difficulty in processing this type of process

Method used

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  • A kind of cbn cutting grinding wheel of resin bond and its manufacturing process
  • A kind of cbn cutting grinding wheel of resin bond and its manufacturing process
  • A kind of cbn cutting grinding wheel of resin bond and its manufacturing process

Examples

Experimental program
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Effect test

Embodiment 1

[0029] refer to Figure 1~2 As shown, a resin-bonded CBN cut-in grinding wheel includes a substrate 1 and an abrasive layer 2, the angle between the upper surface of the abrasive layer 2 and the upper surface of the substrate 1 is α, 1°≤α≤3°, and the abrasive The angle between the lower surface of the layer 2 and the lower surface of the substrate 1 is β, 1°≤β≤3°.

[0030] The abrasive layer is made of the following raw materials in parts by weight: resin bond 10-25, carbonyl iron powder 30-40, CBN abrasive 42-62, magnesium oxide 3-5 and wetting agent 1-5.

[0031] The CBN of described resin bond cuts into the manufacturing process of grinding wheel, comprises the steps:

[0032] (1) After weighing the raw materials in proportion, firstly stir and grind the CBN abrasive and wetting agent evenly to make the CBN abrasive fully wet; then add resin binder, carbonyl iron powder and magnesium oxide to fully stir and mix evenly;

[0033] (2) Molding: heat-press forming the grinding...

Embodiment 2

[0036] The specification of grinding wheel is φ200mm×15mm (total thickness of grinding wheel)×31.75mm (inner hole)×5mm (ring width of abrasive layer)×6mm (thickness of abrasive layer);

[0037] A resin-bonded CBN cut-in grinding wheel, comprising a substrate 1 and an abrasive layer 2, combined with figure 1 and figure 2 As shown, the angle between the upper surface of the abrasive layer 2 and the upper surface of the substrate 1 is α, α=3°, the angle between the lower surface of the abrasive layer 2 and the lower surface of the substrate 1 is β, β=3°, D =200mm, T=15mm, W=5mm, X=6mm, H=31.75mm, γ=30°, J=140mm.

[0038] The abrasive layer is made of the following raw materials in parts by weight: resin bond 16 , carbonyl iron powder 27 , CBN abrasive 54 , magnesium oxide 3 and wetting agent 1 .

[0039] The manufacturing process of this embodiment is the same as that of Embodiment 1.

[0040] The CBN cut-in grinding wheel of the resin bond of the present invention and Japan ...

Embodiment 3

[0043] Grinding wheel specification is φ200mm×16mm (total thickness of grinding wheel)×31.75mm (inner hole)×5mm (ring width of abrasive layer)×12mm (thickness of abrasive layer);

[0044] A resin-bonded CBN cut-in grinding wheel, comprising a substrate 1 and an abrasive layer 2, bonded figure 1 and figure 2 As shown, the angle between the upper surface of the abrasive layer 2 and the upper surface of the substrate 1 is α, α=1°, the angle between the lower surface of the abrasive layer 2 and the lower surface of the substrate 1 is β, β=1°, D =200mm, T=16mm, W=5mm, X=12mm, H=31.75mm, γ=45°, J=140mm.

[0045] The abrasive layer is made of the following raw materials in parts by weight: resin bond 17 , carbonyl iron powder 30 , CBN abrasive 50 , magnesium oxide 5 and wetting agent 1 .

[0046] The manufacturing process of this embodiment is the same as that of Embodiment 1.

[0047] The CBN cut-in grinding wheel of the resin bond of the present invention and Japan Asahi diamon...

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Abstract

The invention relates to a CBN cut-in grinding wheel with a resin bond, comprising a substrate and an abrasive layer, the angle between the upper surface of the abrasive layer and the upper surface of the substrate is α, 1°≤α≤3°, and the lower surface of the abrasive layer The included angle with the lower surface of the substrate is β, 1°≤β≤3°, and the abrasive layer is made of the following raw materials in parts by weight: resin bond 10~25, carbonyl iron powder 30~40, CBN abrasive 42~62 , magnesium oxide 3~5 and wetting agent 1~5. The grinding wheel of the invention solves the current problems of low durability, low service life and low dimensional accuracy of processed workpieces, improves production efficiency, and overcomes the current difficulty in processing such processes.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing and processing, and relates to a grinding wheel used for precision shaft cutting grinding of bearing steel, in particular to a resin bonded CBN cutting grinding wheel and a manufacturing process thereof. Background technique [0002] With the rapid development of science and technology and the continuous improvement of people's quality of life, the demand for automobiles is also increasing. The development of the automobile industry is inseparable from the rapid development of automobile mainframes and spare parts. As an important part of automobiles, precision shafts have higher and higher requirements for high precision and high surface quality. [0003] The common grinding wheel and superhard material grinding wheel currently used to process bearing steel precision shafts have the following disadvantages: [0004] (1) It is required that the 90° angle part cannot be cleaned, it is easy ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D5/00B24D3/28B24D18/00
Inventor 熊华军丁玉龙丁春生叶腾飞
Owner ZHENGZHOU RES INST FOR ABRASIVES & GRINDING CO LTD
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