Guide wheel of wire cutting machine

Abstract

The invention discloses a guide wheel of a wire cutting machine. The guide wheel comprises a cylinder body, a guide pipe and end covers, wherein the guide pipe is arranged in the cylinder body; the end covers are fixedly arranged at the two ends of the cylinder body; the two ends of the guide pipe are connected with the end covers; and the cylinder body and the end covers are made of metal and are connected together in a welding way. The cylinder body and the end covers are made of metal and are connected together in the welding way, so that the guide wheel of the wire cutting machine is relatively low in cost. The end covers and the cylinder body are more reliably combined since the cylinder body and the end covers are fixedly connected in the welding way, so that the risk that the guide wheel is disassembled caused by that the cylinder body and the end covers are staggered is reduced, and the service life of the guide wheel of the wire cutting machine is prolonged.

Description

【Technical field】 [0001] The invention relates to a guide wheel, in particular to a wire cutting machine guide wheel used for multi-wire cutting equipment. 【Background technique】 [0002] At present, wire cutting guide wheels are widely used in silicon wafer processing. Steel wires with a diameter of 110-140 μm are generally laid on the wire cutting guide wheel to form a horizontal wire network for cutting silicon wafers. During the cutting process, silicon ingots are pushed through the cutting wire network, which produces silicon wafers. Commonly used wire cutting guide wheels include four parts: cylinder body, end cover, guide pipe and bracket. The cylinder body of wire cutting guide wheels is made of carbon fiber material, which is expensive and difficult to process. At present, there is no domestic manufacturer producing them. The market is monopolized by foreign manufacturers, and the prices are relatively high. In addition, the end cover of the guide wheel of the co...

AI Technical Summary

Problems solved by technology

However, with the increase of the use time of the wire cutting guide wheel, the end cover and the cylinder are prone to misalignment, resulting in the disintegration of the wire cutting guide wheel. The wire cutting machine guide wheel is replaced, so the service life of the wire cutting guide wheel is shorter

Also, longer end cap extensions result in increased material usage, further increasing cost

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