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Coarse-fine milling cutter capable of discharging scraps quickly

A rough, precise and fast technology, applied in the direction of milling cutters, milling cutting blades, and tools for milling machines, etc., can solve the problems of affecting the processing of workpieces, short service life, and easy wear of tools, so as to improve efficiency and service life , Reduce the effect of the process

Inactive Publication Date: 2015-04-29
CHANGZHOU ZHUJIANG TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When using a tool to process a workpiece, the workpiece is generally rough-machined first, and then the workpiece is finished. Now there is a kind of rough cutting edge and fine cutting edge set on the cutter head at the same time, but in the process of processing, the produced If the waste chips cannot be quickly and timely discharged, it is easy to affect the next step of processing the workpiece; at the same time, the continuous friction between the tool and the workpiece makes the tool easy to wear and has a short service life; appear loose

Method used

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  • Coarse-fine milling cutter capable of discharging scraps quickly

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Embodiment Construction

[0011] refer to figure 1 , a kind of rapid chip removal rough and fine milling cutter, comprising a handle 2 and a cutter head 1 connected to one end of the cutter handle 2, the cutter head 1 is provided with a helical cutting edge, and the cutting edge includes a rough cutting edge 4 and Finishing cutting edge 5, a chip flute 6 is formed between the cutting edges, and the bottom of the chip flute 6 is provided with a strip-shaped protrusion 7, and the strip-shaped protrusion 7 extends from the front section of the chip flute to the chip flute At the rear end of 6, an annular slot 3 is provided on the handle.

[0012] There are four cutting edges, and the cutting edges include two rough cutting edges 4 and two fine cutting edges 5 .

[0013] The two rough cutting edges and the two finishing cutting edges are arranged at intervals.

[0014] The outer surface of the cutter head 1 is coated with a chromium nitride coating, which effectively reduces the abrasion of the cutter he...

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Abstract

The invention discloses a coarse-fine milling cutter capable of discharging scraps quickly. The coarse-fine milling cutter comprises a cutter handle and a cutter head connected with one end of the cutter handle, the cutter head is provided with spiral cutting edges, the cutting edges comprise coarse cutting edges and fine cutting edges, a scrap discharging groove is formed between two adjacent cutting edges, a strip-shaped protrusion is arranged at the bottom of each of the scrap discharging grooves and extends from the front section of the corresponding scrap discharging groove to the rear end of the corresponding scrap discharging groove, and an annular clamping groove is formed in the cutter handle. The strip-shaped protrusions can perform the function of dredging scraps so that the scrap discharging grooves of the cutter head cannot be blocked by the scraps, and the drilling speed is improved; meanwhile, the cutter head is coated with a chromium nitride coating which can effectively reduce abrasion of the cutter head, and accordingly the service life of the milling cutter is prolonged.

Description

technical field [0001] The invention relates to the field of machining, in particular to a rough and fine milling cutter for rapid chip removal. Background technique [0002] When using a tool to machine a workpiece, generally the workpiece is roughed first, and then the workpiece is finished. Now there is a method of setting the rough cutting edge and the finishing cutting edge on the tool head at the same time. If the waste cannot be discharged quickly and in time, it will easily affect the next step of processing the workpiece; at the same time, the continuous friction between the tool and the workpiece makes the tool easy to wear and has a short service life; in addition, if the tool holder is not firmly clamped, it is easy to Looseness occurs. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a rapid chip removal rough and fine milling cutter that can quickly and timely remove chips and has a long service life. [0004] The inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10
CPCB23C5/10B23C2200/32B23C2224/13B23C2228/10
Inventor 吴美蓉
Owner CHANGZHOU ZHUJIANG TOOL
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