Face milling cutter with indexable inserts and knife pads thereof

A face milling cutter and shim technology, which is applied in the field of indexable face milling cutters and shims, can solve the problems of complicated adjustment and adjustment of working time by operators, affecting the service life of the tool, and destroying the slot groove of the blade, so as to achieve enhanced Effects of rigidity, reduction in processing cost, and downsizing

Inactive Publication Date: 2013-02-13
常州瑞诺切数控刀具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But for heavy-duty cutting, during the machining process, the damage of the blade greatly destroys the tool position groove on the cutter body, causing the cutter body to be damaged very seriously, or even scrapped completely, so that the cost of the tool is extremely high
The indexable face milling cutter with this structure, because the blade is in direct contact with the cutter body, will also cause the cutter body to overheat and wear, which will affect the overall service life of the cutter; secondly, because the blade needs to have a certain Therefore, if it is necessary to exchange another cutting angle of the blade or replace the blade, the operator needs to carry out complicated corrections and long adjustment work time, which is time-consuming and laborious

Method used

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  • Face milling cutter with indexable inserts and knife pads thereof
  • Face milling cutter with indexable inserts and knife pads thereof
  • Face milling cutter with indexable inserts and knife pads thereof

Examples

Experimental program
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Embodiment Construction

[0030] See Figure 1 to Figure 6 , The indexable face milling cutter of this embodiment includes a cutter body 1, a blade 2, a cutter shim 3, a pressing block 4 and a fixing screw 5.

[0031] The fixing screws 5 include a shim fixing screw 5-1 and a pressing block fixing screw 5-2.

[0032] See image 3 , 9 sets of shim installation grooves 1-1 and pressure block installation grooves 1-2 are evenly distributed on the cutter body 1 along the axial blade inclination angle direction. Each group of shim mounting grooves 1-1 and pressing block mounting grooves 1-2 are connected to each other. The bottom of the shim mounting groove 1-1 is provided with a shim mounting hole 1-1-1. A briquetting mounting hole 1-2-1 is provided on the groove bottom of the briquetting mounting groove 1-2.

[0033] The blade 2 is a blade with 4 cutting edges, and a small hole is arranged in the middle for anti-vibration.

[0034] The shim 3 is set in the shim installation groove 1-1, and the shim sc...

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Abstract

The invention discloses a face milling cutter with indexable inserts and knife pads thereof. Each knife pad is provided with a knife pad screw hole and a step groove. The step groove comprises a blade bottom contact face, a blade axial locating face and a blade radial locating face which are connected with each other. A notch with three sides opening is formed in each knife pad. Due to the design of the unique knife pads, blades are not in direct contact with a cutter body, the rigidity of the cutter body is greatly strengthened, the abrasion of the cutter body is reduced, the service life of the cutter is prolonged on the whole, and meanwhile the blades are enabled to be located without the need of being in contact with the cutter body, and the accuracy of repeated locating is high. The service life of the cutter is longer than face milling cutters of other types by more than 50%, the accuracy of processing workpieces is improved by more than one accuracy level, the replacement of the blades is convenient, and the processing cost is reduced greatly.

Description

technical field [0001] The invention relates to a metal cutting tool, in particular to an indexable face milling cutter and its shim. Background technique [0002] At present, the structure of the commonly used face milling cutter is to use a wedge and a double-ended screw to press the cutter shim on the cutter body, and then use another wedge and another double-ended screw to clamp the blade on the cutter shim. Each tooth of this structure requires two double-ended screws, two wedges and a cutter spacer, a total of 5 parts to fasten a blade. The number of parts is large, the weight of the cutter body is heavy, material consumption, labor consumption, and time consumption , the processing is complicated, the material cost is too high, and the positioning accuracy is very poor. Chinese patent ZL200920039546.2 discloses an "Indexable Face Milling Cutter", which has an inclined semi-cylindrical boss end plane on the back of the pad on which the blade is placed, and is set on t...

Claims

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Application Information

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IPC IPC(8): B23C5/06B23C5/22
Inventor 程纪平
Owner 常州瑞诺切数控刀具有限公司
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