在美国市场,每年车床的销售量最大。其对车床的要求有;①要设有脚踏板刹车,因为美国工人大部分自己驾驶汽车,习惯于手和脚一起动,当想到停车时习惯地以脚刹车,②床身导轨一定要淬火,并经过磨削加工;③床身后面要设有挡板,整体的或活动的均可;④主轴内孔要尽量大些,以便通过大直 In the U.S. market, sales of lathes are the largest each year. The requirements of the lathe are; ① to have a pedal brake, because most American workers driving their own cars, used to hand and foot a start, when you think of parking brake used to foot, ② bed rail must be quenched , And after grinding; ③ behind the bed should be equipped with baffles, the overall or activities can be; ④ spindle bore to try to be larger, so that through the large straight