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常见问题 所在位置: 首页-新闻资讯-常见问题-数控刀具选择的时五大注意事项!

数控刀具选择的时五大注意事项!

发布时间:2021-09-14 来源:http://www.jnskdj.com/ 作者:admin

与传统加工方法相比,数控加工对刀具的要求,尤其在刚性和耐用度方面更为严格。数控刀具回收应根据机床的加工能力、工件材料的性能、加工工序、切削用量以及其他相关因素正确选用刀具及刀柄。

Compared with traditional machining methods, NC machining has more strict requirements for cutting tools, especially in terms of rigidity and durability. For NC tool recycling, tools and tool holders shall be correctly selected according to the processing capacity of the machine tool, the performance of workpiece materials, processing procedures, cutting parameters and other relevant factors.

刀具选择总的原则是:既要求精度高、强度大、刚性好、耐用度高,又要求尺寸稳定,安装调整方便。锐正精 密工具有限公司提醒买家在满足加工要求的前提下,尽量选择较短的刀柄,以提高刀具的刚性。

The general principle of tool selection is: it requires not only high precision, high strength, good rigidity and high durability, but also stable size and convenient installation and adjustment. Ruizheng precision tools Co., Ltd. reminds the buyer to choose a shorter tool handle as far as possible on the premise of meeting the processing requirements, so as to improve the rigidity of the tool.

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目前所使用的金属切削刀具材料主要有五类:高速钢、硬质合金、陶瓷、立方氮化硼、聚晶金刚石。

At present, there are five main types of metal cutting tool materials: high speed steel, cemented carbide, ceramics, cubic boron nitride and polycrystalline diamond.

1.根据数控加工对刀具的要求,选择刀具材料的一般原则是尽可能选用硬质合金刀具。只要加工情况允许选用硬质合金刀具,就不用高速钢刀具。

1. According to the requirements of NC machining for tools, the general principle of selecting tool materials is to select cemented carbide tools as much as possible. As long as the processing conditions allow the selection of cemented carbide tools, high-speed steel tools are not used.

2.陶瓷刀具不仅用于加工各种铸铁和不同钢料,也适用于加工有色金属和非金属材料。使用陶瓷刀片,无论什么情况都要用负前角,为了不易崩刀,必要时可将刃口倒钝。陶瓷刀具在下列情况下使用效果欠佳;短零件的加工;冲击大的断续切削和重切削;铍、镁、铝和钛等的单质材料及其合金的加工(易产生亲和力,导致切削刃剥落和崩刀)。

2. Ceramic cutting tools are not only used for processing various cast iron and different steel materials, but also for processing non-ferrous and non-metallic materials. When using ceramic blade, negative rake angle shall be used in any case. In order not to break the blade easily, the blade edge can be blunt if necessary. Ceramic cutting tools are not effective in the following cases; Processing of short parts; Intermittent cutting and heavy cutting with large impact; Processing of elemental materials such as beryllium, magnesium, aluminum and titanium and their alloys (easy to produce affinity, leading to peeling and tool collapse of cutting edges).

3.金刚石和立方氮化硼都属于超硬刀具材料,它们可用于加工任何硬度的工件材料,具有很高的切削性能,加工精度高,表面粗糙值小。一般可用切削液。

3. Diamond and cubic boron nitride are superhard tool materials. They can be used to process workpiece materials with any hardness. They have high cutting performance, high machining precision and small surface roughness. Generally available cutting fluid.

聚晶金刚石刀片一般引用于加工有色金属和非金属材料。

Polycrystalline diamond blades are generally used to process non-ferrous and non-metallic materials.

立方氮化硼刀片一般适用加工硬度大于450HBS的冷硬铸铁、合金结构钢、工具钢、高速钢、轴承钢,以及硬度不小于350HBS的镍基合金、钴基合金和高钴粉末冶金零件。

Cubic boron nitride blade is generally suitable for processing chilled cast iron, alloy structural steel, tool steel, high-speed steel and bearing steel with hardness greater than 450hbs, as well as nickel base alloy, cobalt base alloy and high cobalt powder metallurgy parts with hardness not less than 350hbs.

4.从刀具的结构应用方面,数控加工应尽可能采用镶块式机夹可转位刀片以减少刀具磨损后的更换和预调时间。

4. In terms of the structure and application of tools, the indexable blade of insert type machine clamp should be used for NC machining as far as possible to reduce the replacement and preset time after tool wear.

5.选用涂层刀具以提高耐磨性和耐用度。

5. Select coated tools to improve wear resistance and durability.