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RS Series Inverted Roller Screw

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RS Series Inverted Roller Screw

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Inverted Roller Screw – Short Description

Principle: Same as standard planetary roller screws – rollers orbit between screw and nut, converting rotation to linear motion.
Drive: Input can be on the screw (screw+rollers move axially) or on the nut (nut translates).
Advantages: Ultra‑compact axial length, high load capacity, high rigidity, high speed & acceleration, low friction, fully customisable nut designs.
Sizes: Screw diameters Ø8–80 mm, multiple lead options, nuts made to order.

SYNOPTIC CHART

Parameter	Core Value
Lead	1 ~ 16 (standard design)
Nominal Diameter	Ø8 ~ Ø150
Outer Diameter	Ø24 ~ Ø142 (minimum recommended dimension)
Length	87 ~ 600
Material	Hardened Steel, Stainless Steel
Hardness	58–62 HRC (650–750 HV)
Dynamic Load Capacity	39% higher than conventional designs
Static Load Capacity	60% higher than conventional designs
Rigidity	Extremely High
Impact Resistance	Very Good
Maintenance Requirement	Very Low Maintenance

Typical Applications

Robotic joints, servo‑presses, resistance welding guns, aerospace flight‑control actuators, precision machine tools, wind turbine pitch systems, and heavy‑duty valve actuators.

RS Series Inverted Roller Screw Images

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