This technique is no longer restricted by the formal regularity of diamond polycrystal blank, and can give an effective tight protection to diamond polycrystal blank in wire-drawing die.

• 该工艺不受人造聚晶金刚石外形及尺寸的限制,可对拉丝模中的人造金刚石聚晶块提供有效的紧固保护。