The Mechanical Properties of a Novel STMR Damper Based on Magnetorheological Silly Putty

Table 2

Main structure parameter of the STMR damper.

Working gap of the main cylinder tube	2 mm	Working gap of the accessory cylinder	2 mm
External diameter of the main piston	156 mm	External diameter of the accessory piston	156 mm
Wall thickness of steel tube of the main cylinder tube	15 mm	Wall thickness of steel tube of the accessory cylinder tube	15 mm
Piston’s stroke limit of the main cylinder tube	65 mm	Piston’s stroke limit of the accessory cylinder tube	65 mm
Length of working gap of the main cylinder tube	206 mm	Length of working gap of the accessory cylinder tube	117 mm
Piston’s number of windings of the main cylinder tube	980	Effective stroke of decoupling spring	7 mm
Diameter of piston rod	50 mm	Maximum power	<120 W
Piston’s current range of the main cylinder tube	0∼3 A	Designed damping force	300 kN