• Input and output shaft arranged in a staggered intersection way, input shaft can revolve forward and back.
• Cylindrical or torus worm drive, worm is made of alloy steel, worm gear of anti-friction material.
• Compact structure, small size, smooth operation, low noise, large overload capacity, low revolving speed.
• Used in mechanical drives of metallurgy, mining, cement, lifting, chemical industry, coal, light industries.