Main textile machinery parts,1511 and 1515 loom parts of -36T gear shaft bending (Crankshaft) (D7,3210), the hole diameter is respectively 38mm and 40mm,pitch 4,outer diameter is 239mm, the material is divided into HT20-40 (cast iron) and ductile iron (steel),products used in connection with F38RL or 3209RL,are widely used in fabric 1511 cloth and 1515 shuttle loom,textile machinery parts processing cast iron.