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Method for processing whole sintering type super-hard abrasive honing tool case

A technology of superhard abrasives and processing methods, which is applied in honing tools, metal processing equipment, manufacturing tools, etc. It can solve the problems of affecting the service life of the tool holder, the diamond grinding disc is easy to fall off, and the change of the tool body is inconsistent, so as to improve the service life. , The internal structure is uniform and dense, and the effect of reducing the cutting load

Active Publication Date: 2013-01-09
ZHENJIANG N E T DIAMOND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The diamond honing tool set processed by the above processing method, in the process of use, the inlaid diamond grinding disc is easy to fall off, and the change of the tool body during the expansion process is inconsistent, resulting in difficult chip removal and large cutting load of the tool set. The service life of the tool holder generally can only process about 10,000 workpieces; in addition, during the processing process, because some parts have oil holes and oil grooves on the hole wall, the accuracy of the tool holder is affected; and this method is more troublesome to operate

Method used

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  • Method for processing whole sintering type super-hard abrasive honing tool case

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Experimental program
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Effect test

Embodiment 1

[0029] Evenly distribute the copper powder in the mold, and evenly mix the powdered diamond and metal binder into the middle part of the cutter body, stir evenly, so that the diamond is evenly mixed into the binder, and press through the mold to form a hollow cylindrical molded part 1; In terms of weight percentage, the total amount of copper powder and metal binder is 40%; diamond is 60%; in terms of weight, the ratio of copper powder and metal binder is 3:1; The guide part 11 is processed by copper powder, and the middle part 12 of the molded part 1, that is, the cutting part of the cutter sleeve, is processed by a mixture of copper powder and diamond. The molded part 1 is sintered at a temperature of 700° and the sintering time is 2 hours, keep warm for 2 hours, and then cool naturally in the air; the sintered molded part 1 is grooved by a special electric spark machine to form a chip removal groove 2. The chip flute 2 can be a straight groove or a spiral groove. In order t...

Embodiment 2

[0032] Evenly distribute the copper powder in the mold, and evenly mix the powdered diamond and metal binder into the middle part of the cutter body, stir evenly, so that the diamond is evenly mixed into the binder, and press through the mold to form a hollow cylindrical molded part 1; In terms of weight percentage, the total amount of copper powder and metal binder is 60%; diamond is 40%; in terms of weight, the ratio of copper powder and metal binder is 3:1; The guide part 11 is processed by copper powder, and the middle part 12 of the molded part 1, namely the cutting part of the cutter sleeve, is processed by a mixture of copper powder and diamond. The molded part 1 is sintered at a temperature of 750°C and the sintering time is 2.5 hours, keep warm for 2 hours, and then cool naturally in the air; the sintered molded part 1 is grooved by a special electric spark machine to form a chip removal groove 2. The flute 2 can be a straight groove or a spiral groove. In order to fa...

Embodiment 3

[0035] Distribute the copper powder evenly in the mold, mix the powdery diamond and metal bond evenly in the middle part of the cutter body, and stir evenly, so that the diamond is evenly mixed into the bond, and press it into a hollow cylinder through combination or high-pressure mold Molded part 1; by weight percentage, the total amount of copper powder and metal binder is 80%; diamond is 20%; by weight, the ratio of copper powder and metal binder is 3:1; two parts of molded part 1 The end, that is, the guide part 11 of the knife sleeve is processed by copper powder, and the middle part 12 of the formed part 1, that is, the cutting part of the knife sleeve, is processed by a mixture of copper powder and diamond. The formed part 1 is sintered at a temperature of 800 ℃, the sintering time is 2 hours, the heat preservation is 2 hours, and then naturally cooled in the air; the sintered molded part 1 is grooved by a special electric spark machine to form a chip removal groove 2. ...

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Abstract

The invention provides a method for processing a whole sintering type super-hard abrasive honing tool case, which comprises the steps of copper powder pressing, copper powder sintering, slotting and processing. The method has the advantages that because the tool case is prepared by pressing and then sintering powdered materials, the whole internal structure of the tool case is uniform and compact, thereby improving the precision of the tool case; the situation that a cutting operation part of the tool case is separated from the tool case when the tool case is used is avoided, thereby improving the stability of the tool case, and then greatly improving the service time of the tool case; and in the process of using the tool case, the dilatometric change of the tool case is consistent, thereby reducing the cutting load and facilitating the scrap removal of the tool case.

Description

technical field [0001] The invention relates to a processing method of a cutter holder, in particular to a processing method of a superhard abrasive honing cutter holder, and belongs to the technical field of mechanical processing methods. Background technique [0002] The diamond honing tool set is a key part of the honing tool, and its quality determines the quality of the product. At present, the diamond honing tool set is inlaid, and its processing method is the inlaid method. Chinese patent document, the patent number is " 200610146119.5 ", and the patent name is " a kind of manufacturing method of C-type diamond honing cutter sleeve ", and the processing method in this document comprises the following steps: [0003] 1. Decompose the C-type diamond knife set into two parts: the knife set body and the tile-shaped diamond grinding disc; [0004] 2. The body of the tool holder is processed by turning, reaming, milling and other processing methods; [0005] 3. Use a sim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B33/08B24B55/06
Inventor 方国祥
Owner ZHENJIANG N E T DIAMOND
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