Aligned multi-diamond cutting tool assembly for creating microreplication tools

A technology of cutting tool components and diamond cutter heads, which is applied in the direction of manufacturing tools, tool workpiece connection, and cutting tools for lathes, and can solve the problems of high cost and time-consuming micro-replication tool technology

Inactive Publication Date: 2008-10-22
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 c

Method used

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  • Aligned multi-diamond cutting tool assembly for creating microreplication tools
  • Aligned multi-diamond cutting tool assembly for creating microreplication tools
  • Aligned multi-diamond cutting tool assembly for creating microreplication tools

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] FIG. 1 is a top view of a cutting tool assembly 10 including two tool holders 12 and 16 mounted in a mounting structure 20 . The cutting tool assembly 10 is configured for fly cutting wherein the assembly 10 is rotated about an axis 24 . For example, assembly 10 may be mounted to drive shaft 22 which may be driven by a motor of a cutting machine (not shown) to rotate assembly 10 . Mounting structure 20 may include structure for securing tool holders 12 and 16, which include diamond tips 14 and 18, respectively. The handles 12 and 16 may be made of metal or a composite material, and the diamond may be secured to the handles 12 and 16 by a substantially permanent securing mechanism. In addition, the mounting structure 20 may have a structure capable of being connected to the transmission shaft 22 .

[0028] To secure the diamonds in the holders 12 and 16 to define the diamond tips 14 and 18, a substantially permanent securing mechanism (eg, brazing, soldering, adhesives...

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PUM

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Abstract

The disclosure is directed to a cutting tool assembly used for creating grooves in a microreplication tool. The cutting tool assembly includes a mounting structure and multiple diamonds aligned in the mounting structure to a tolerance of less than 10 microns. For example, first and second tool shanks having first and second diamond tips can be positioned in the mounting structure such that a cutting location of the first diamond tip is identical to a cutting location of the second diamond tip. However, the second diamond tip may be a defined distance further away from the mounting structure than the first diamond tip, or the second diamond tip may have a different shape than the first diamond tip. In this manner, the first diamond tip may cut a groove into a work piece and the second diamond tip may cut a sub-feature into the groove to create a multi-featured groove.

Description

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

Claims

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Application Information

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IPC IPC(8): B23B27/14B23B27/20
CPCB23B2240/11B23C5/18B23B2270/16B23B2226/31B23B2240/21B23B29/26B23C5/24Y10T407/23B23B2240/08B23B2226/36B23B27/20Y10T82/10B23B27/065B23B27/04B23C5/12B23C5/08B23B27/14
Inventor 珍妮弗·L·特赖斯查尔斯·N·德沃尔艾伦·B·坎贝尔戴尔·L·埃内斯
Owner 3M INNOVATIVE PROPERTIES CO
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