Workpiece feeding method and device with adjustable feeding amount used for fretsaw cutting and processing
A cutting process and feed rate technology, which is used in fine working devices, metal processing equipment, stone processing equipment, etc., can solve problems such as insufficient use of saw wire cutting ability and saw wire bending.
Inactive Publication Date: 2014-12-03
SHANDONG UNIV
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Problems solved by technology
[0003] The present invention aims at the problem that the cutting ability of the saw wire is not fully exerted when the length of the cut is small, or the wire is seriously bent when the length of the cut is large, because the length of the cut always changes during the whole process when the wire saw is used to cut and process the circular crystal bar. To provide a workpiece feeding method for wire saw cutting that can adjust the feed amount of the workpiece according to the cutting ability of the wire saw, and provide a feeding device for realizing the method, so as to solve the problems existing in the wire saw cutting process class questions
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[0014] like figure 1 As shown, the workpiece feeding method and device with adjustable feed rate for wire saw cutting according to the present invention mainly include a feeding table 1, a loading table 2 and a moving mechanism for the loading table. Both sides of the upper surface of the feed workbench 1 are provided with guide rails 3, which may be of a dovetail groove structure, and are symmetrically installed on both sides of the upper surface of the workbench 1 by means of screw connections. The loading table 2 is installed on the guide rail 3 on the upper surface of the feeding table 1, and the bottom sides of the loading table 2 are provided with inverted dovetail groove structures, which are constrained to cooperate with the guide rail 3 on the feeding table 1. Limiting baffles 7 are respectively arranged at both ends of the guide rail 3 to limit the maximum displacement of the loading table 2 relative to the movement of the feeding table 1 . A loading platform moving...
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The invention discloses a workpiece feeding method and device with adjustable feeding amount used for fretsaw cutting and processing. The device comprises a feeding working platform, a material carrying platform and a material carrying platform moving mechanism, wherein guide rails are arranged on the two sides on the upper surface of the feeding working platform; the material carrying platform is mounted on the guide rails on the upper surface of the feeding working platform; the material carrying platform moving mechanism is arranged between the material carrying platform and the feeding working platform; when the feeding working platform drives workpiece saw-cutting in a constant feeding speed, and cutting opening length is relatively short or cutting performance of a saw wire is relatively good, the material carrying platform further feeds in the saw wire direction relative to the feeding working platform; when the cutting opening length is relatively long or the saw wire is heavily abraded, and the saw wire is heavily bent, the material carrying platform retreats in the saw wire direction relative to the feeding working platform; workpiece feeding amount is reduced. According to the invention, movable coupling of the feeding working platform and the material carrying platform is realized; the material carrying platform moves relative to the cutting direction of the feeding working platform; workpiece feeding amount can be adjusted according to the cutting capability of the saw wire.
Description
technical field [0001] The invention relates to a workpiece feeding method and device with adjustable feed rate when a wire saw machine cuts and processes bar materials, and belongs to the technical field of cutting processing. Background technique [0002] At present, the feed table and the loading table on the wire saw equipment are generally fixedly connected, the loading table is used to clamp the circular workpiece, and the feeding table drives the loading table to move and feed along the saw wire to complete the cutting. When circular crystal bars such as SiC crystals, single crystal silicon, and sapphire are sliced using a fixed abrasive wire saw, the selection of process parameters is mostly a constant feed rate throughout the cutting process, because most sawing machines are controlled The system is relatively simple, and it cannot realize the time-period setting of the feed speed during the cutting process or the real-time adjustment of the feed speed of the work...
Claims
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Inventor 高玉飞陈阳
Owner SHANDONG UNIV