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链条传动连续式拉床特别适用于经常需要在一次行程中连续地完成粗加工、半精加工和精加工具有高精度外形零件的生产。这种形式的拉床比那些往复式拉床常常具有较高的生产能力。 近来,赫伯特公司给波兰制造了一台加工连杆体大端和相关的连杆盖的大型拉床。在连结成一圈的环形链条上依次地安装着六个夹具,三个加工连杆体夹具,另三个是加工连杆盖夹具,拉削速度为每分钟27英尺,每小时产量为94个连杆体和94个连杆盖。因此需要再进一步提高产量,额外的加工连杆体和连杆盖夹具是能够安装在链条上的。图1为机床外观图。
Chain drive continuous broaching machine is especially suitable for the continuous production of rough parts, semifinished parts and finished parts with high precision parts which are often needed in one trip. This form of broaching often has higher productivity than those of reciprocating broaching machines. Herbert recently manufactured a large broaching machine for Poland that processes the connecting rod ends and the associated connecting rod caps. Six jigs, three connecting rod jigs, and three connecting rod jigs were installed on the endless chain of endless chains with a broaching speed of 27 ft / min and an hourly yield of 94 pcs. Rod body and 94 connecting rod cap. So need to further increase production, additional processing link body and connecting rod cover fixture can be installed on the chain. Figure 1 shows the appearance of the machine.