A transmission machinery is gradually expanding its market share, replacing hydraulic and pneumatic transmission systems. It is compact, low-noise, has high load capacity, and can be self-locking, making it more convenient and simpler to operate. I bet you've guessed it, right? This is our main character for today.——Screw Jack（Spiral Elevator）。

Screw JackA significant portion is due to its internal structure.—— Worm Gear Structure. This structure was previously used in reducers to slow down the speed while increasing torque, meaning it can transmit a large torque with a small amount of force. Later on, people discovered that it is also an excellent choice for elevators, where it can be used for lifting or hoisting operations.Screw Jack ElevatorIt came into being as a result.

Due to the internal worm gear structure, whichScrew JackThe volumes are extremely compact and highly aesthetic, fitting seamlessly into any outfit without looking out of place.Screw JackWe offer two gear ratios, a fast ratio and a slow ratio, to accommodate various usage scenarios. Today, let's first discuss...Screw Jack LifterIntroduction to worm gear material and processing technology.

Sprocket Material

Aluminum BronzeThe ZQAl9-4 model boasts high strength and excellent wear resistance, suitable for operation under general loads.

Tin bronzeThe ZCuSn10Pb1 alloy boasts high hardness, excellent wear resistance, and is less prone to galling, offering good casting and machining properties. It is suitable for operation under high loads and speeds. Our DM series worm gears are all made of 10-1 tin bronze.