... 5. well adapted 6.heating fast. saw blade welding machine,saw blade heating equipment,saw blade welding.Application:1. Heat shapingA, All kinds ... , knife, scissors, pliers and all kinds of axis, cam wheel, chain wheel, gear wheel, valve, ball pin , Etc. and hardening of large size ... -60HZ Oscillation frequency :25-150KHZ Size: 500 × 240 × 450mm saw blade welding machine