Repair method of MB multi-wire sawing machine guide wheel

The technology of a multi-wire cutting machine and a repairing method is applied in the field of repairing a guide wheel for an MB multi-wire cutting machine, which can solve the problems of unrepairable and loss of the guide wheel, and achieve the effects of saving materials, improving service life and saving costs.

Active Publication Date: 2014-07-23
SUZHOU RUNDE NEW MATERIAL
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Problems solved by technology

[0004] In order to solve the problem of huge losses caused by the irreparable guide wheel, the purpose of the prese

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  • Repair method of MB multi-wire sawing machine guide wheel

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Embodiment Construction

[0024] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0025] The invention is a method for repairing the guide wheel of an MB multi-wire cutting machine. The method has the following steps:

[0026] (1) Inner diameter expansion: The inner diameter of the outer cylinder of the guide wheel after the end cover is detached is processed to expand the inner diameter and remove the residual cured glue on the inner wall. The inner diameter of the inner wall of the outer cylindrical body of the guide wheel can be enlarged as a whole, or the inner diameter can be enlarged only at both ends of the outer cylindrical body of the guide wheel. Of course, if the outer cylinder of the guide wheel and the end cover have not been complete...

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Abstract

The invention discloses a repair method of an MB multi-wire sawing machine guide wheel. The repair method of the MB multi-wire sawing machine guide wheel comprises the steps of inner diameter expanding, end cover selection and machining, sizing, cold fitting, curing, fastening, fine machining, dynamic balancing correction and the like. The first key point of the repair technology is that an outer barrel body of the abraded guide wheel is subjected to the inner diameter expanding, so that the inner side wall of the outer barrel body of the abraded guide wheel with expanded inner diameter can be in interference fit with the outer side wall of an end cover; the middle of the outer side wall of the end cover is provided with a groove for accommodating glue, so that the corresponding positions of the end cover groove and the outer barrel body of the guide wheel. By adopting a mechanical connecting-bonding match method, the outer barrel body and the end cover can be firmly connected, and loosening during working is avoided. The second key point is that the concentricity of a bearing bush hole of the end cover and the central axis of the outer barrel body of the guide wheel is smaller than or equal to 0.01mm through correction and fine machining, the end face circle run-out of the end cover is smaller than or equal to 0.05mm, vibration produced during high-speed guide wheel rotation and net shake are inhibited, smooth surface of a cut silicon wafer is ensured, and cutting accuracy is improved.

Description

technical field [0001] The patent of the present invention relates to the technical field of multi-wire cutting machines, in particular to a method for repairing guide wheels for MB multi-wire cutting machines, which can be used for cutting silicon wafers, sapphire wafers, and ceramic materials. Background technique [0002] At present, the photovoltaic multi-wire cutting technology mostly uses guide wheels to support the wire mesh and cut semiconductor crystals, such as silicon wafers, with mortar. Among them, the main body of the guide wheel of the mainstream slicer Swiss Meyer Burger (hereinafter referred to as MB) is made of carbon fiber composite material outer cylinder and alloy steel end cover; because of its good rigidity, light weight, small inertia, and low energy consumption of equipment advantages and are widely used. However, since this type of guide wheel is bonded by glue; with the prolongation of production time, the glue gradually fails, causing some or all...

Claims

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Application Information

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IPC IPC(8): B23P6/00
CPCB23P6/00
Inventor 韩卫王滢赞曹中谦
Owner SUZHOU RUNDE NEW MATERIAL
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