空气锤气缸的直径与长度尺寸均较大,势必需要很大的落地镗床才能加工,这就很不经济,效率低而且刚性也差。所以目前空气锤气缸都在各厂自制的专用镗缸机上镗孔。我们认为卧式差动镗缸机仍有缺点:1.工件装卸麻烦。装卸工件时,必须先拆除两端的轴承盖,再将镗杆以及与镗杆相联结的蜗轮等零件连同工件一起吊装。2.工件找正费时。由于气缸加工是找正 Air hammer cylinder diameter and length of the larger size, is bound to require a large floor boring machine to process, which is very uneconomical, low efficiency and poor rigidity. So now the air hammer cylinder in the factory made special boring cylinder boring machine. We believe that horizontal differential boring machine is still flawed: 1. Workpiece loading and unloading trouble. When loading and unloading workpieces, the bearing caps on both ends must be disassembled, then the boring bar and the worm gear connected with the boring bar should be hoisted together with the workpiece. 2. Work to find time-consuming. Because the cylinder machining is to find positive