选用两台WC67Y/WC67K/ZYB型同规格或不同规格（仅针对ZYB系列）主机，配置双机联动同步装置。两台机床联动可以加工特长工件，两台机床还可以同时单独使用，提高生产效率，
配有挠度衬偿机构。同步机构采用机液伺服和机械挡块。上滑块行程和后挡料架位置采用机动快速调节，手动微调，电子数控显示。

　　Two WC67Y/WC67K/ZYB series in same specification or different specification(only for ZYB series)are choosen as main machine with double motor linckage synchro-device,
which may work together to process overlong workpiece or operate separately to increase production efficiency. Deflection compensationdevice is fitted too. Mechanic and fluid
servos with mechanic slider are utlized in synchronous device. The stroke of upper beam and the position of rear stopper are regulated quickly by machine and micro-regulated
by hａnd with electronic display o CNC controllers.