... noise, small vibration, low temperature rise, wide output speed, and high efficiency: 92%-96%.2. Special broadband wide - voltage motor, working ... . 4. Iron cast housing, good rigidity, high strength and excellent heat-loss.5. Advanced design: Gear Pair processed by carburizing and quenching ... , food, electronics, leather, pharmaceutical, textile etc.Model designation Certificate G3 Helical Gear Motor