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tool for cutting

A cutting and tooling technology, which is applied in the field of reaming tools or milling tools, can solve the problems of cooling medium channel drilling and infeasibility, and achieve the effect of small structural space

Active Publication Date: 2020-08-21
KOMET GROUP GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But drilling the cooling medium channels is not feasible here

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The reaming tool 10 shown in the drawing can be driven in rotation about its tool axis or longitudinal center axis 12 by means of a machine tool for finishing a prefabricated hole in a workpiece and moved axially forward therewith , in order to remove the reaming allowance by machining and thus produce a dimensionally accurate (passgenau) hole with a high surface quality. However, the tool axis can also be an axis of rotation for a workpiece about which the workpiece is moved in rotation for machining with a stationary machine tool.

[0025] as in figure 1 As shown in , the reaming tool 10 has a stepped cylindrical base body 14 which at its rear end can be clipped into the tool holder of the machine and at its front end carries a cutting head 16 . The cutting head 16 is formed as a sintered stamped part made of hard metal or cermet and is provided in a manner distributed over its circumference with a plurality of ground cutting edges 18 , each of which is associated w...

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PUM

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Abstract

The invention relates to a cutting tool with: a base body (14); attached at the free end of the base body (14), shaped as a sintered prototype provided with at least one cutting edge (18) A cutting head (16); and a cooling lubricant delivery device (24) axially guided through the base body (14), the cooling lubricant delivery device has a cooling lubricant distributor inserted into the cutting head (16) ( 26) For deflecting cooling lubricant into the region of at least one cutting edge (18). It is proposed here that a plurality of protruding spacers (30) are sintered on the support surface (28) of the cutting head (16) as prototyping elements for the cooling lubricant distributor (26) and / or the base body (14) Keep the gap open.

Description

technical field [0001] The invention relates to a cutting tool, in particular a reaming tool (Reibwerkzueg) or a milling tool for finishing holes, with: a base body with a longitudinal center axis that can be clipped into a tool holder; on the base body A cutting head attached at the free (front) end of the cutting head as a sintered prototyping (urformen) provided with at least one cutting edge; and a cooling lubricant delivery device axially guided through the base body, The cooling lubricant delivery device has a cooling lubricant distributor inserted into the cutting head for deflecting the cooling lubricant into the region of the at least one cutting edge. Background technique [0002] Reaming is a machining method that uses a geometrically certain cutting edge to perform cutting operations, in which, as opposed to solid drilling (Vollbohren, sometimes called coreless drilling) or reaming (Aufbohren), only a small cutting section is used (Spanungsquerschnitt) work in a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D77/00B23C5/28B23B31/00
CPCB23B31/005B23C5/28B23C2210/02B23C2210/03B23C2240/08B23D77/006B23D2277/02B23D2277/061B23B2231/24B23B2240/11Y10T407/14Y10T407/26Y10T409/304032Y10T409/30952
Inventor M.迈尔N.克雷默
Owner KOMET GROUP GMBH
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