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Clamp for tool holder

一种夹具、刀架的技术，应用在用于车床的刀具、刀夹的附件、铣刀等方向

Active Publication Date: 2019-01-01
KENNAMETAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem of delivering coolant to a cutting insert workpiece interface is solved by providing a fixture for a tool holder having a plurality of coolant holes for delivering coolant to a cutting insert workpiece interface

Method used

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  • Clamp for tool holder
  • Clamp for tool holder
  • Clamp for tool holder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] see now Figures 1 to 5 , shows a tool holder 10 according to an embodiment of the present invention. The tool holder 10 includes a body 12 having a head portion 13 with an insert receiving recess 14 formed in an upper surface 16 thereof at a corner 19 of a front end 17 thereof. The insert receiving pocket 14 has a bottom 18 and a rear support wall 20 .

[0026] In the illustrated embodiment, cutting insert 22 has a top surface 23 and a generally triangular shape. However, it should be understood that the cutting insert may have any polygonal shape, such as a rhombus, rectangle, pentagon, and the like. An optional seat member 26 may be disposed between cutting insert 22 and bottom 18 of pocket 14 to support cutting insert 22 when installed in pocket 14 . The seat member 26 may be securely secured to the insert receiving pocket 14 by threaded fasteners (not shown), such as screws or the like. In an alternative embodiment, the insert 22 may be disposed on the bottom 1...

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PUM

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Abstract

The invention relates to a clamp for a tool holder. A clamp for a tool holder is disclosed. The clamping tool holder includes a body having an insert-receiving pocket and a threaded clamp-receiving bore with a coolant opening for receiving pressurized coolant from a coolant source. A clamp includes a threaded aperture extending from a top surface to a bottom surface and coolant passages in fluid communication with a coolant header. A clamp screw is threaded into the threaded aperture of the clamp. The clamp screw includes a plurality of coolant passages in fluid communication with the coolantopening of the body, and at least one coolant channel in fluid communication with the coolant passage. Coolant from the coolant source enters the coolant opening of the body, travels into the clamp screw, travels into each coolant passage of the clamp, and then exits the clamp in a direction toward a cutting insert-workpiece interface.

Description

technical field [0001] The invention relates to tool holders and clamps for clamping cutting inserts. More particularly, the present invention relates to a clamp for a toolholder having a plurality of coolant holes for delivering coolant to a cutting insert workpiece interface. Background technique [0002] In a cutting operation such as, for example, a grooving operation, a grooving or cutting insert engages a workpiece to remove material from the workpiece. In some cutting assemblies, the upper seat and the lower seat hold the cutting insert. [0003] The material removal operation can generate heat at the interface between the cutting insert and the workpiece. Often, it is advantageous to provide coolant near the interface between the cutting insert and the workpiece. [0004] Despite conventional arrangements for delivering coolant, it is still highly desirable to provide a tool holder that delivers coolant to the interface between the cutting insert and the workpiece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/10B23B27/16
CPCB23B27/10B23B27/16B23B27/1677B23B2240/24B23B2260/03B23C5/28B23B27/00B23B2250/12B23Q11/10B23Q11/1076
Inventor S.陈J.戈德史密斯I.考夫曼Q.王Y.吴
Owner KENNAMETAL INC
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