1 Performance 
Characteristics
Systematic and modular design;Transmission ratio with good stage covers a wide range.
High efficiency; Low energy usage; Superior performance.
High Precision gearwith teeth grinding;Stable transmission; Low noise; Strong bearing capacity; Long Services life.
Deft design: Small quantity; Simple Installation; Wide use.
Suitable for all sorts of mounting positions
ES .. and ERF .. conjoined combination for special low acceleration.
2 Material
Housing: High strength cast iron HT250, die casting lumen, decrease the abrasion of parts.
Gears: 20CrMo, Carbonitriding, Tooth hardness: HRC 60 after grinding.
Flat keys: C45, Surface hardness: HRC 50.
3 Gear Unit Efficiency
High precision equipment; seals; bearings;Effectively reduces friction; Stage effectiveness of gear drive gets to 97%.
For some means of helical worm gear installation, the input gear is completely immersed in the lubricant, please contemplate the churning loss with regards to big frame size and high input rate .