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Cutting insert having a chip deflector

A technology of inserts and cutting edges, which is applied to the accessories of toolholders, milling cutting inserts, turning equipment, etc., can solve the problem of damage to grooves and achieve good lubrication effect

Inactive Publication Date: 2011-03-30
SAFETY SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Another problem is that chips - which slide backwards on the clearance surface forming the front edge of the upper surface, originating from the leading cutting edge delimiting the clearance surface - hit the top of the screw head and especially damage the screw head for screwing. slot or equivalent groove

Method used

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  • Cutting insert having a chip deflector
  • Cutting insert having a chip deflector
  • Cutting insert having a chip deflector

Examples

Experimental program
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Effect test

Embodiment Construction

[0044] figure 1 and figure 2 Shown is a rotationally symmetric tool holder in the form of a rotary tool 101 having an integral / general axis 100, which is at the front end ( figure 2 ) comprises a crown formed by a plurality, here five equiangularly distributed identical shells, all designated 70 . Each shell 70 forms a slot-like sleeve extending in a generally axial plane spaced 72° from the adjacent shell 70, the shells 70 having a horizontal bottom 71 or referred to herein as a horizontal base , which extends in a plane 150 which has a substantially radial direction of extension with respect to the overall axis 100 .

[0045] refer to Figure 4-8 , the head 82 of the driving and final clamping screw 81 comprises a circular cross-section, here cylindrical, end operating section 83 which continues with the axis 80 ( Figure 4 ), the threaded body 85 is engaged with the threaded hole 91 formed in the axis 90 of the tool 101, so as to produce the cutting insert 10 substant...

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PUM

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Abstract

The cutting insert (10) has an upper face (1) having a pair of proud surfaces (13B, 13X), namely an entrainment stop surface (13B), for stopping the entrainment of the insert (10) by a slide (81) of the tool holder (101) into a mounting position, and, further to the front, a deflection surface (13X), for deflecting the path of chips away from a direction (13F) going from a rear edge of a disengagement surface (13D) to the entrainment stop surface (13B).

Description

technical field [0001] The present invention relates to cutting inserts. Background technique [0002] The cutting insert must be precisely positioned on the tool holder to accurately machine the workpiece and also avoid mounting stresses that could damage the cutting insert and associated clamping members. [0003] There are several types of means for clamping the insert in the housing of the tool holder. In general, the purpose of the principle of the various types of devices is to facilitate the operation of mounting and dismounting of the cutting inserts, while seeking to prevent any incorrect mounting, ie to avoid clamping the inserts in the wrong position. [0004] The housing has a substantially planar bottom surface, which thereby defines the operating plane of the cutting insert, forming a bearing surface on which the cutting insert will be able to slide initially to bear against the respective lateral or longitudinal On two aligned walls, the two aligned walls de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/22B23B27/16
CPCB23C5/109B23B2240/24B23C5/2243B23C2200/083B23C2250/12B23C2200/085B23C2200/086B23C2210/165Y10T407/23Y10T407/24Y10T407/191Y10T407/2284Y10T407/2268Y10T407/14
Inventor 理查德·富克尔
Owner SAFETY SA