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Machine grinding disc tool

A grinding disc and tooling technology, which is applied in the field of processing tooling, can solve the problems of difficult processing, easy wear of the cutter head, and suboptimal processing methods, and achieve the effects of low manufacturing cost, uniform grinding, and avoiding blind areas of grinding

Inactive Publication Date: 2016-12-07
SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to ensure the processing quality of 24 sealing surfaces at the same time when processing the flange surface, and there are 24-φ170 through holes, 24-M56×2 screw holes, and 12-φ15 pin holes on the flange surface. The processing method of grinding, the turning tool is affected by the group of holes in the processing process, the knocking situation is more serious, the tool head is easy to wear, and the processing is very difficult
Therefore, this processing method is not optimal

Method used

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  • Machine grinding disc tool

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Embodiment Construction

[0023] Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, it is an embodiment of a mechanical grinding disc tooling used for the control rod shell nozzle flange and its sealing surface of the high-temperature reactor top cover assembly. The tooling is divided into upper and lower parts, and the upper part contains the spindle interface for mechanical connection 1 and a pressing structure, the lower part contains a grinding disc 12.

[0025] The spindle interface 1 includes a disc-shaped base and a connecting rod vertically arranged on the central axis of the top surface of the base. The end of the connecting rod is provided with a circular 45-degree chamfer. The spindle interface 1 is mechanically connected to the machine tool spindle through the connecting rod.

[0026] The main shaft interface 1 is provided with a through hole that runs through the base of the main ...

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Abstract

The invention discloses a machine grinding disc tool. The tool comprises a spindle connector used for mechanical connection of a machine tool spindle, a compressing structure used for mechanical connection of the spindle connector and a grinding disc used for mechanical connection of the compressing structure. The compressing structure comprises an intermediate plate. An axial cavity is formed in the middle of the intermediate plate. One end of the cavity is opened in the axial direction of the intermediate plate. The opening position is movably connected with a spring sleeve. A first spring is arranged in the cavity in the axial direction of the intermediate plate. The first spring abuts against the spring sleeve in the axial direction of the intermediate plate. The first spring stretches to apply pressure to the spring sleeve, and the end, facing the grinding disc, of the spring sleeve is connected with a ball journal. A ball journal cavity matched with the ball journal in shape and size is formed in the top of the grinding disc. The ball journal is movably arranged in the ball journal cavity. According to the machine grinding disc tool, the flexible grinding design principle is adopted; and through the core structure of the ball journal and the spring and the structural design of a movable butting shaft in the circumferential direction, the end face of the grinding disc can be perfectly attached to the surface of a workpiece in the machining process, and grinding is more uniform and consistent.

Description

technical field [0001] The invention relates to a processing tool, in particular to a grinding disc tool for a machine. Background technique [0002] The high-temperature stack roof is an independent component of the pressure vessel. In terms of machining, there are many machining contents and high precision requirements. Its final machining must be carried out after the final heat treatment, and the processing includes the sealing surface of the top cover, 8 nozzles of the material radiation supervision tube, 6 nozzles of the absorbing ball drive shell, 1 nozzle of the control rod shell, and 3 feeding nozzles , 1 manhole seat, 76 main bolt holes, 4 pin holes. Among them, the machining accuracy of the sealing surface of the control rod nozzle flange is extremely high, which is a key point in the machining of the top cover. [0003] The flange surface of the control rod shell nozzle is circular, and the overall surfacing material is stainless steel. The flange size is φ3662...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/11B24B37/34B24B37/00
CPCB24B37/11B24B37/00B24B37/34
Inventor 倪春华包黎春臧友鹏杜青
Owner SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD
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