The cylinder head products include L27 / 38 series, L32 / 40 series in WEICHA-MAN brand and Weichai 160、170、180 series and so on. The maximum overall dimensions size of this part is 690mm × 526mm × 527mm ,the maximum weight is about 630kg, the precision requirement is high. It contains a large number of cooling water cavity holes, the structure is complex and the processing is difficult.
