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Ceramic bond peripheral grinding wheel

A vitrified bond and grinding wheel technology, which is applied in the field of grinding tools, can solve the problems of narrow space in the grinding area, affect the grinding efficiency, and limit the cooling effect, so as to reduce equipment investment costs, improve the cooling effect, and improve the grinding efficiency. Effect

Pending Publication Date: 2020-04-10
GUILIN CHAMPION UNION DIAMOND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the peripheral grinding wheel of vitrified bond mainly realizes the cooling and chip holding function of the grinding wheel by adjusting the number of pores in the bond. The worse the strength, it will directly affect the life of the grinding wheel
[0004] Vitrified diamond grinding wheel, because the diamond exposure height is less than half of the particle size, the space in the grinding area is narrow, and the space is occupied and blocked by powder chips. In the external cooling mode, the outer wall of the grinding wheel will bring a small amount of water into the grinding area. The finer the diamond is, the less the amount of entrainment is, so the cooling effect is greatly limited, which in turn affects the grinding efficiency

Method used

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  • Ceramic bond peripheral grinding wheel
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  • Ceramic bond peripheral grinding wheel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1-6 As shown, a vitrified bond peripheral grinding wheel is characterized in that it includes a base 1 , a supporting structure, a gland 4 and a plurality of grinding discs 2 . The supporting structure is a vertical cylinder structure, and the side walls of the supporting structure are provided with multiple layers of water flow channels 3 at intervals up and down in the axial direction to connect the inside and outside. Both the base body 1 and the gland 4 are annular plate-shaped structures, and the center of the base body 1 is provided with a through hole, and the base body 1 is axially fixed at the position of the through hole to connect the base body 1 with the spindle of the machine tool. Ring 10. The support structure is on the base 1, the gland 4 covers the top of the support structure and fixes the support on the base 1, and the center of the gland 4 is provided with a The water inlet 9 injected into the cold water inside the supporting struct...

Embodiment 2

[0048] Such as Figure 10 with 11 As shown, the following improvements are made on the basis of Embodiment 1: the outer edge of the spacer 6 penetrates into the corresponding position in the grinding plate 2 and bends downward to prevent the grinding plate 2 from being subjected to force during grinding. fall off. Through the above improvements, the connection mode of the vitrified diamond grinding disc 2 and the spacer 6 of the support structure, on the basis of the adhesive bonding mode of the prior art, has increased the anti-flying structure of the mechanical embedded engagement, which helps to improve the prevention of The ability of the grinding disc 2 to fall off and fly out under the action of grinding force improves the safety of the grinding wheel.

Embodiment 3

[0050] Such as Figure 12-14 As shown, the following improvements are made on the basis of Embodiment 1 and Embodiment 2: the grinding disc 2 extends along the axial direction of the support structure, and the grinding disc 2 is integrally formed or has multiple grinding disc units arranged up and down. The two bodies are connected to each other, as follows: on the side wall of the support structure, the upper and lower layers of the grinding discs 2 are bonded along the axial direction, and the two adjacent grinding discs 2 in the circumferential direction of the support structure The drainage groove 5 is formed, and the two grinding discs 2 adjacent to each other in the axial direction of the support structure are snapped together. At the ends of the two grinding plates 2 adjacent to each other in the axial direction of the support structure, there are matching blocks 11 or slots 12, which are locked by the blocks 11 and the slots 12. Then, it further helps to improve the a...

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PUM

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Abstract

The invention relates to a ceramic bond peripheral grinding wheel which comprises a base body, a supporting structure, a gland and a plurality of grinding pieces. The side wall of the supporting structure is axially provided with multiple layers of water flow channels at intervals in the vertical direction, and the water flow channels make the interior of the supporting structure communicate withthe exterior. The gland covers the top of the supporting structure and fixes a supporting body to the base body. A water inlet for injecting cold water into the supporting structure is formed in the center of the gland. The grinding pieces are attached to the outer side wall of the supporting structure. Drainage grooves communicating with the water flow channels are formed between every two adjacent grinding pieces. The ceramic bond peripheral grinding wheel has the advantages that the external cooling mode is converted into the internal cooling mode, the cooling effect is improved, the bonding strength is ensured, the cooling water flow within unit time is effectively increased, the machining precision of the surface of a ground part is effectively improved, the roughness of the surface of the ground part is effectively reduced, the capacity of preventing the grinding pieces from being disengaged and flying out under the action of grinding stress is improved, and the service life of the grinding wheel is remarkably prolonged.

Description

technical field [0001] The invention relates to the field of grinding tools, in particular to a vitrified bond peripheral grinding wheel. Background technique [0002] The existing vitrified bond peripheral grinding wheel includes a substrate and a vitrified diamond grinding disc. The vitrified diamond grinding disc is pasted and attached to the base with a special vitrified adhesive. For machines and grinding wheels with internal cooling structure, it is also difficult to ensure cooling water supply in any instant grinding area (the area where the grinding wheel and workpiece are in contact). The external cooling method is used, because the rotation of the grinding wheel will form an air barrier on the outer wall and the end grinding surface, blocking the cooling water from entering the grinding area, especially the higher the speed, the stronger the air barrier effect, which is not suitable for high-speed grinding technology applications. [0003] In the prior art, the pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D5/06B24D5/10
CPCB24D5/06B24D5/10
Inventor 宋京新龙慧玲杜海秦凤明杨光亚叶勇赵亮王志勇
Owner GUILIN CHAMPION UNION DIAMOND CO LTD