一、研究过程 当高速切削推广队,在该厂开展高速切削以前,就会作了一些准备工作,其中关於硬质合金的黏合方法,成为一件新的工作,根据该厂研究交有如下几种方法: (1)用燃气炉或燃油炉或电气炉。 (2)用高周波加热器。 (3)用电焊机,用接触法, (4)用氧快　。 其中(1),(2),(3)法因该 First, the research process When the high-speed cutting promotion team, in the plant to carry out high-speed cutting, it will make some preparatory work, of which cemented carbide bonding method has become a new job, according to the plant to pay the following research Method: (1) with a gas stove or fuel or electric stove. (2) with high frequency heater. (3) with electric welder, with contact method, (4) with oxygen faster. Which (1), (2), (3) because of the law