PCD reamer

Abstract

The invention relates to a PCD reamer. The reamer comprises a reamer handle and a reamer body; the reamer handle is of a cylindrical structure, the other end of the reamer handle is fixedly connected with the reamer body, and a groove is formed in the circumferential direction of a connecting portion of the reamer handle; the reamer body comprises a first cutting portion, a second cutting portion and a third cutting portion; the third cutting portion is of a cylindrical structure, a chamfer is arranged at one end, close to the reamer handle, of the third cutting portion, and a plurality of cutting ends are distributed at one end, away from the reamer handle, of the third cutting portion in the circumference at equal angles; the second cutting portion is of a cylindrical structure, and comprises two cutting ends which are symmetrically distributed in the circumferential direction of the second cutting portion; the first cutting portion is composed of two sections of cylindrical portions and is fixedly connected with the second cutting portion, and two cutting ends are symmetrically distributed in the circumferential direction of the first cutting portion; and the three cutting portions are all provided with PCD blades. The blades have the advantages of being high in hardness, good in abrasion resistance, good in shock resistance, high in sharpness degree and the like, machining lines of workpieces can be effectively reduced, and the precision and the effect of finished products are improved.

Description

Technical field [0001] The present invention relates to the field of machining tools, and more particularly to a PCD reamer. Background technique [0002] With the rapid development of technology, the mechanical manufacturing industry is getting higher and higher, and the reamer is a common mechanical machining tool. The structural design and material selection determines the life of the reamer and processing accuracy. The traditional reamer is mostly made of cemented carbide, the wear rate is high, short service life, and often change the knife during use, the knife will take a lot of time, so that the equipment has low work efficiency; wear will make the product The precision is low, causing low quality. Inventive content [0003] In order to cope with the traditional hinge processing efficiency, low processing precision, short service life, the present invention proposes a new PCD reamer for structural design, not easy to worry. [0004] In order to achieve the above, the pre...

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of science and technology, the machinery manufacturing industry has higher and higher requirements for processing accuracy and processing efficiency. The reamer is a commonly used machining tool, and its structural design and material selection determine the service life and processing accuracy of the reamer. Traditional reamers are mostly made of cemented carbide, which has a high wear rate and short service life, and the tool is often changed during use, which will take a lot of time to set the tool, making the work efficiency of the equipment low; faster wear will also make the product Low precision, resulting in low product quality

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