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焊料和焊药:焊接硬质合金刀头的焊料,一般多采用电解紫铜(纯紫铜)做成铜线或铜片来使用。用电解紫铜不但强度合适,而且它能使硬质合金刀头和刀杆之间所受的热比较均匀。有些小型刀具也可以用银和青铜做焊料,因为银和青铜的熔点比电解紫铜稍低,焊接时不致使刀具发生过热现象,但是价格较贵。还有一种焊接硬质合金刀头用的焊箔,性能很好,强度也大,是用薄镍钢片(厚约0.75公厘)做的,两面镀上紫铜,有直径0.5～0.75公厘的小孔很多。用这
Solder and flux: welding carbide tip, the general use of electrolytic copper (pure copper) made of copper or copper to use. Electrolytic copper is not only suitable for strength, but also makes the heat between the cemented carbide tip and the arbor more uniform. Some small knives can also be made of silver and bronze solder, because silver and bronze melting point slightly lower than electrolytic copper, welding tool will not cause overheating, but the price is more expensive. There is also a welded carbide tip welding foil, good performance, strength is large, is made of thin nickel steel (about 0.75 mm thick), both sides coated with copper, a diameter of 0.5 to 0.75 mm A lot of holes. Use this