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Cutting tool and cutting insert therefor

A technology for cutting tools and cutting inserts, which is applied in the direction of milling cutting inserts, milling cutters, forming knives, etc., and can solve the problems of time-consuming, expensive inserts and insert seats, etc.

Inactive Publication Date: 2004-08-18
ISCAR LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manufacturing inserts and insert seats to any tight tolerances is expensive and time consuming

Method used

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  • Cutting tool and cutting insert therefor
  • Cutting tool and cutting insert therefor
  • Cutting tool and cutting insert therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] Pay attention to Figures 1 to 12. As shown, a cutting tool 10 having an axis of rotation A includes a tool 12 and three cutting inserts 14 mounted in insert receiving pockets 16 formed at the front of the tool 12 and distributed uniformly along the periphery. Each insert receiving pocket is associated with a chip flute 18 and a coolant through hole 19 . Three cutting inserts are used in the described cutting tool 10 embodiment. It is to be understood, however, that the invention is equally applicable to any cutting tool using at least one cutting insert. All cutting inserts 14 and insert receiving pockets 16 are identical, so only one will be described.

[0061] Each insert receiving pocket 16 includes a longitudinally extending inner wall 20 substantially co-directed with the axis A of rotation. The upper part of the inner wall 20 is flat and constitutes a radial abutment surface 22 . The radial abutment surface 22 does not have to be formed by a single planar surf...

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PUM

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Abstract

A cutting tool has an insert holder provided with an insert receiving pocket and at least one cutting insert mounted therein. The insert receiving pocket has a longitudinally extending inner wall, a rear wall adjacent the inner wall and a lower wall adjacent the inner wall and the rear wall. A front end of the lower wall protrudes forwardly with respect to a central portion of the insert holder. A front protrusion rises upwardly from the lower wall and extends inwardly and rearwardly from a periphery of the insert holder. The front protrusion has a front surface perpendicular to the lower wall. A groove formed in the bottom surface of the cutting insert has a distal side wall perpendicular to the bottom surface. When assembled, a radial abutment surface of the cutting insert abuts a radial abutment surface of the insert receiving pocket, the front surface of the front protrusion abuts the front distal side wall of the groove and a rear portion of the one cutting insert is spaced from the rear wall of the insert receiving pocket.

Description

technical field [0001] The invention relates to a cutting tool and its cutting insert, in particular for operation along slopes. Background technique [0002] Cutting tools for performing operations along slopes are well known. Such cutting tools are typically end mills and face mills. In these cutting tools, at least one cutting insert is mounted and held in an insert receiving pocket provided in the front of the tool. During a cutting operation, when the side cutting edge is active, the radial cutting forces acting on the cutting insert are generally directed radially inward, thereby urging the cutting insert against the radial abutment surface. Thus, the cutting force helps to secure the cutting insert inside the insert receiving pocket. Likewise, when the front cutting edge is in operation, the axial cutting forces acting on the cutting insert are generally directed axially rearward, thereby urging the cutting insert against the axial abutment surface. In this case, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/22B23C5/00B23C5/10B23C5/20
CPCB23C2200/165B23C5/109B23C5/2221B23C2210/168Y10T407/2274Y10T407/1908Y10T407/23B23C5/2213B23C2200/284B23C5/20
Inventor R·莫古利斯A·巴布斯金
Owner ISCAR LTD