利用楔劈开树桩,利用楔加压榨油,利用楔作锁紧装置……,利用楔的原理可谓由来已久,应用广泛,然而,把楔的原理直接用于金属成型加工,还是本世纪六十年代的新事物,这就是楔横轧。从运动原理来看,楔横轧同一般横轧并无 The use of wedge cleavage stakes, the use of wedge squeezing oil, the use of wedge locking device ... ..., the principle of the use of wedges can be described as a long time, widely used, however, the principle of wedges directly used in metal forming, or the six New things of the decade, this is wedge cross rolling. From the movement principle point of view, wedge cross rolling with the general cross rolling no