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Feeding controlling means for multi-wire saw working bench

A multi-wire cutting machine and feed control technology, applied in the direction of fine work equipment, manufacturing tools, stone processing equipment, etc., can solve the problems of inconvenient maintenance, reduced processing accuracy, complex structure, etc., and achieve easy implementation and improved cutting quality. , the effect of simple control methods

Inactive Publication Date: 2007-08-15
HUNAN YUJING MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are complex structures, inconvenient maintenance, and after a period of use, the machining accuracy will decrease.

Method used

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  • Feeding controlling means for multi-wire saw working bench

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] It can be seen from Figure 1 that the feed cycle of the worktable includes the cutting feed section D1 and the table retreating sand feeding section D2. In order to ensure that the grinding sand is input to the lower part of the contact surface between the steel wire and the cutting workpiece, the displacement of the sand feeding section D2 of the step back is 2-15 times of the grain size of the grinding sand (2 times in this embodiment). After each cutting cycle (steel wire reciprocates once), the workbench descends, the steel wire will bring abrasive sand with a certain viscosity into the slit, and the workbench rises to start the next cutting cycle, and so on.

Embodiment 2

[0019] It can be seen from Figure 2 that in order to further improve the cutting efficiency, the feed cycle of the worktable includes the cutting feed section D1, the table retreating sand entry section D2, and the sand entry recovery section D3. The displacement of the table retreating sand entry section D2 is the abrasive sand particle size 2-15 times (the present embodiment is 10 times) of. The rest are the same as embodiment 1.

Embodiment 3

[0021] It can be seen from Fig. 3 that in order to further improve the cutting efficiency and cutting quality, the feeding cycle of the worktable includes the cutting feeding section D1, the table retreating sand feeding section D2, and the sand feeding completion recovery section D3. The displacement of the table retreating sand feeding section D2 is 2-15 times (the present embodiment is 15 times) of the grain size of the grinding sand. The cutting feed section D1 includes an initial cutting feed section D1A and a normal cutting feed section D1B, and the displacement of the initial cutting feed section D1A is 0.1-0.3 (0.2 in this embodiment) of the displacement of the cutting feed section D1. With embodiment 1.

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Abstract

The invention discloses a feeding control method for feeding abrasive sand into the multi-line cutter workbench at the lower part of the contact face between steel wire and work-piece. The invention is characterized in that the workbench feeding is changed from continuous feeding into intermittent reciprocal feeding. The invention has simple control, and 20-50% improved cutting efficiency when cuts diamond (HRC65-85) and carbon silicon (HRC75-95), to reduce cost.

Description

Technical field: [0001] The invention relates to a multi-wire cutting machine, in particular to a feed control method for a multi-wire cutting machine workbench. Background technique: [0002] At present, when using a multi-wire cutting machine to cut ultra-hard materials such as gemstones (HRC65-85) and silicon carbide (HRC75-95) workpieces, due to the high hardness of the workpiece material, it is extremely difficult for abrasive sand to enter the lower part of the contact surface between the steel wire and the workpiece during cutting. , so the cutting rate per unit time is low, which affects the efficiency and cutting quality of the cutting machine. At the same time during the cutting process, if the relative feed rate of the workbench is too fast (exceeding the actual cutting speed), the workpiece is actually in a forced cutting state, that is, the steel wire between the multi-groove rollers is abnormally bent, and the steel wire will slightly swing back and forth with ...

Claims

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Application Information

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IPC IPC(8): B28D5/04B27B19/12
Inventor 朱卫文杨辉煌
Owner HUNAN YUJING MACHINE
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