采用合理的成形工艺和烧结工艺，成功地解决了螺旋铣刀毛坯生产难的问题。
The problem related to the difficult to making screw milling cutter welding blank has been solved successfully by using suitable forming process and sintering process.
硬质合金玻璃刀毛坯在生产过程中存在成型难， 烧结后易出现脱碳、 渗碳以及粘舟等问题，合格率低。
There are some problems in manufacturing of Semi-finished Product of Cemented Carbide Glass Cutter. It is difficult to shaping and there are always carbon elimination and carburize after sintered.
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