The distinction between machine of odd screw pneumatics and machine of double screw pneumatics
The distinction between machine of odd screw pneumatics and machine of double screw pneumatics can undertake comparative from the following respect: Radial of susceptive of equilibrium odd screw and axial gas force are OK self-poise, astral teeth of a cogwheel bears aeriform force, requirement star teeth of a cogwheel provides some enough strength and stiffness. Double screw rotor bears bigger radial and axial gas force, requirement screw has enough strength and stiffness. Production cost odd screw and astral annulus bearing can choose common bearing, production cost relatively