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Cutting tool assembly including diamond cutting tips at half-pitch position for forming connection structure

A technology of cutting tool components and diamond cutter heads, which is applied to the lathe tools, workpieces, forming knives, etc., can solve the problems of high cost and time-consuming micro-replication tool technology, and achieve the effect of reducing processing costs and simplifying manufacturing

Inactive Publication Date: 2010-06-23
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of making microreplicated tools from cutting tool components is costly and time consuming

Method used

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  • Cutting tool assembly including diamond cutting tips at half-pitch position for forming connection structure
  • Cutting tool assembly including diamond cutting tips at half-pitch position for forming connection structure
  • Cutting tool assembly including diamond cutting tips at half-pitch position for forming connection structure

Examples

Experimental program
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Embodiment Construction

[0032] The present invention relates to a cutting tool assembly comprising a plurality of diamonds. Cutting tool assemblies with multiple diamonds can be used to fabricate microreplicated tools or other workpieces. The microreplication tool, in turn, can be used to form microreplicated structures, such as optical films, abrasive films, adhesive films, mechanical fasteners with self-mating profiles, or microscopic Copy any molded or extruded part of the structure.

[0033] In the following description, various aspects of the invention will be described in the context of manufacturing optical films. In this case, the cutting tool assembly described herein would be used to fabricate a microreplication tool, which in turn would be used to fabricate an optical film. However, the cutting tool assembly may be used to manufacture a variety of other workpieces. Thus, the cutting tool assembly is not limited to use in the manufacture of microreplication tools or optical films, but ma...

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PUM

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Abstract

The present invention is directed to a cutting tool assembly that include multiple diamonds to define multiple cutting tips. A first diamond is positioned in the cutting tool assembly to create a first groove in a microreplication tool and a second diamond is positioned in the cutting tool assembly to create a second groove the microreplication tool, wherein the first and second grooves define integer pitch spacing of a microreplication structure to be created using the microreplication tool. In addition, a third diamond is positioned in the cutting tool assembly between the first and second diamonds to create a land feature in the microreplication tool between the first and second grooves. The invention can improve land feature creation by using a third diamond tip, rather than leaving the land features untooled and defined by the original untooled surface of micro-replication tool.

Description

technical field [0001] The present invention relates to diamond machining of workpieces, such as microreplication tools for fabricating microreplicated structures. Background technique [0002] Diamond machining techniques can be used to manufacture a variety of workpieces such as microreplication tools. Microreplication tools are commonly used in extrusion processes, injection molding processes, embossing processes, casting processes, or similar processes to form microreplicated structures. Microreplicated structures can include optical films, abrasive films, adhesive films, mechanical fasteners with self-mating topography, or any molded or extruded microreplicated structures with relatively small dimensions (e.g., less than about 1000 microns). part. [0003] Microreplication tools include casting tapes, casting rolls, injection molds, extrusion or embossing tools, etc. Microreplicated tools can be fabricated by a diamond machining process that uses a cutting tool assem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B27/20B23B27/14
CPCB23B29/26B23B27/20B23B2220/12B23B2226/36B23C5/24B23C3/32B23B2226/31B23C5/12B23B2270/16B23B2240/21B23C2210/285B23C5/18B23C5/08B23B27/06B23B2240/08Y10T29/49995Y10T407/27Y10T407/23Y10T82/10B23B27/14
Inventor 珍妮弗·L·特赖斯查尔斯·N·德沃尔
Owner 3M INNOVATIVE PROPERTIES CO
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