Product Name: Gearbox for Construction Hoist Model NO.: 16: 1, 12: 1 Application: Motor, Machinery Brand: Aoya Transport Package: Wooden Case Specification: SGS Origin: Shanghai HS Code: 84313900 Product Description Worm gear and worm reducer is a kind of compact structure, large transmission ratio, under certain conditions has self-locking function of mechanical transmission.The hollow shaft type worm gear reducer is not only has the characteristics above, and convenient installation and reasonable structure, get more and more widely used.It is in the worm gear and worm reducer input with a helical gear reducer, consisting of multistage speed reducer can obtain very low output speed, than the single-stage worm gear deceleration machine has higher efficiency, and little vibration, low noise and energy consumption.Ourgearbox1 larger loading capacity and compact dimension and higher efficiency and smoother and quieterfunctioning.2.Longer service life.3. higher strength and lighter weight