Discussion on "an investigation on the deformation and crack formation of metals in cross forging and cross rolling" 1st cross rolling piercing and extending ( cpe) machine put into operation, in Changzhou steel works 横锻及横轧时金属的变形与破裂的研究一文的讨论我国第一套CPE在常钢投产
Introduces the main construction, characteristic and working principle of piercing machine. 介绍了一种适用于深孔内冲小孔的冲孔机的结构、特点及工作原理。
Modification of Steel Pusher of Φ 114mm Piercing Machine Φ114mm穿孔机推钢机的改进
Design and application of new type piercing machine 一种冲小孔专机的设计与应用
Funnel drilling machine has following functions such as spiral excavating soil directly in the hole, piercing through cobble stone and weathering strongly rock layer, if matching hidden hole hammer of automobile and complete set tube, drilling machine can embed in the rock layer. 钻斗钻机具有孔内直接旋挖取土、快速穿越卵石土层和强风化岩层的功能,配上汽车潜孔锤和全套管跟进,可快速嵌入岩层。