welded body, C frame,Mechanical, fixed stroke, with dry clutch,overload protected, photographic protector, CE marked Features:1.Steel welded body, tempering treatment or VSR(Vibratory Stress Relief), high rigidity, accuracy and stability;2.Vertical located crankshaft, compact structure;3.The crankshaft undergoes grinding treatment after high frequency quenching;4.Lengthened rectangular guideway ...