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数控加工技术CNC常用刀具讲解(一)

Release time:

2023/06/20 09:49

铣削为各种切削方式中变化较大,用途较广的切削方式。所以无论是槽孔、凹切、平面以至于各种造型之面皆可加工,而且经由铣削加工可获得表面亮度较好的与准确之尺寸。铣刀是一种多刃口的圆形刀具,铣削的原理为应用铣刀之多刃旋转产生切削作用,所以虽然刀具切入工件甚深,但每一切刃之切削量并不大,因此每一切刃之切削厚度仍可维持很薄,所得之加工面亦佳,且刀具寿命能维持甚久。切削效率佳,用途广泛,所以铣刀在目前金属加工中占有极高之分量。

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CNC machining technology CNC commonly used tools to explain the (I)

CNC machining technology CNC commonly used tools to explain the (I)

Milling for a variety of cutting methods in a larger, more versatile cutting. Therefore, whether it is a slot, a concave cut, a flat surface or even a variety of modeling surfaces can be processed, and a better and accurate size of surface brightness can be obtained through milling. Milling cutter is a round cutting tool with multiple cutting edges. The principle of milling is to use the rotation of multiple cutting edges of the milling cutter to produce cutting effect. Therefore, although the cutting tool cuts deeply into the workpiece, the cutting amount of each cutting edge is not large. Therefore, the cutting thickness of each cutting edge can still be kept very thin, the resulting machining surface is also good, and the tool life can be maintained very long. Good cutting efficiency, a wide range of uses, so the milling cutter in the current metal processing occupies a very high component.
CNC machining technology CNC commonly used tools to explain the (II)

CNC machining technology CNC commonly used tools to explain the (II)

In addition, the round nose cutter has better processing efficiency than ball cutter and end mill, especially in rough machining. Because the bottom of the round nose knife is flat, the horizontal knife spacing of the round nose knife can be used larger than the ball knife. In finishing, it also has the same advantages as the ball knife, so the knife spacing can also be used in larger values. Therefore, the round nose cutter is a very suitable choice for roughing and finishing.
CNC machining tool basic knowledge (I)

CNC machining tool basic knowledge (I)

The choice of tool material has a great influence on tool life, machining efficiency, machining quality and machining cost. Cutting tool to withstand high pressure, high temperature, friction, impact and vibration and other effects. Therefore, the tool material should have the following basic properties:
CNC machining tool basic knowledge (II)

CNC machining tool basic knowledge (II)

The coating treatment of the tool is one of the important ways to improve the performance of the tool. The emergence of coated tools has made a major breakthrough in cutting performance. Coated tools are coated with one or more layers of refractory compounds with good wear resistance on the tool body with good toughness. It combines the tool substrate with the hard coating, so that the tool performance is greatly improved. Coated tools can improve processing efficiency, improve processing accuracy, extend tool life, and reduce processing costs.
CNC machining tool basic knowledge (III)

CNC machining tool basic knowledge (III)

At present, the widely used CNC tool materials mainly include diamond tools, cubic boron nitride tools, ceramic tools, coated tools, carbide tools and high-speed steel tools. There are many total grades of tool materials, and their performance varies greatly. The following table shows the main performance indicators of various tool materials.
(I) on the types and uses of CNC cutting tools

(I) on the types and uses of CNC cutting tools

Turning tool is a widely used tool in metal cutting. It can be used to process excircles, end planes, threads, and inner holes on lathes, and can also be used for grooving and cutting. Turning tools can be divided into integral turning tools, welded assembly turning tools and mechanical clamping blade turning tools in structure. The turning tools of the mechanical clamping blade can be divided into machine tool turning tools and indexable turning tools. The cutting performance of the mechanical clamping turning tool is stable, and the worker does not need to sharpen the knife, so it is more and more used in modern production.

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