Introduction to the characteristics and structure of the tool holder

December 03, 2019

CNC machining is more strict on the rigidity, accuracy, durability and dynamic balance performance of cutting tools. The selection of cutting tools should pay attention to the analysis of the structure and process of the workpiece, combined with the processing capacity of CNC machine tools, workpiece materials and process content and other factors. Generally, 40Cr is selected as the machining material of CNC tool shank. The commonly used tool handles in NC machining are mainly divided into: drilling tool handle, boring tool handle, milling tool handle, thread tool handle and straight tool handle. The purchase of CNC tool holder should choose titanium Machinery Co., Ltd., professional quality, quality assurance. The company has passed the ISO9001:2000 international quality management system certification, and can provide various machine tool accessories that meet different standards such as national standards, German standards, American standards and Japanese standards to meet the different needs of customers.

Characteristics and structure of the tool holder

Type and characteristics of CNC tool shank:
1) when machining curved surface parts, in order to ensure that the cutting edge of the tool is tangent to the machining contour at the cutting point and avoid the interference between the cutting edge and the workpiece contour, the ball head cutter is generally used, the two edge milling cutter is used for rough machining, and the four edge milling cutter is used for semi finishing and finishing machining.
2) when milling a large plane, in order to improve the production efficiency and the surface roughness of the machined surface, the insert disc milling cutter is generally used.
3) general milling cutter is generally used for milling small plane or step surface.
4) when milling the keyway, in order to ensure the dimensional accuracy of the keyway, two edge keyway milling cutter is generally used.
5) during hole processing, drilling tools such as drills can be used.

Structure form of tool shank of CNC machine tool:
1. The structure of tool shank of CNC machine tool can be divided into integral type and modular type. The working part of the clamping tool of the integrated tool handle is integrated with the handle for installation and positioning on the machine tool. This kind of tool handle has poor adaptability to the transformation between machine tool and parts. In order to adapt to the transformation of parts and machine tools, users must reserve various specifications of tool holders, so the utilization rate of tool holders is low.
2. Modular tool system is a kind of advanced tool system, each handle of which can be assembled by various serial modules. According to different machining parts and machine tools, different assembly schemes can be adopted to obtain a variety of tool shank series, so as to improve the adaptability and utilization of tool shank.

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