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Roller screw actuator

Tolomatic RSA-HT (high thrust)

Heavy-duty version of the RSA rod actuator with roller-screw options, matched angular-contact bearings and larger motor mounts, reaching 58 kN on size 64.

Key specifications

Ingress protectionIP67 option (sizes 32/50/64, LMI and RP)
Temperature4–54 °C
Force (max)58,000 N
Stroke (max)1,524 mm
Linear speed (max)3,124 mm/s
Screw leadroller 4, 5, 10; ball/bronze 2.54-47.92
Screw typeplanetary roller, ball, bronze
Backlashroller 0.03
Dutynot stated
Sizes24, 32, 50, 64
Lead accuracyroller ±0.0102 mm/300 mm; metric ball ±0.051 mm/300 mm
Temp extended-40 to 60 °C on request

Series ranges as published; individual models vary. The full datasheet, drawings and CAD models are available on request.

Options

  • inline LMI or reverse-parallel 1:1/2:1
  • motor bolt circles up to 165 mm
  • grease zerk
  • heavy-duty bumpers
  • IP67
  • reed/PNP/NPN switches
  • MP2/FFG/TRR mounts
  • rod-end options

Typical applications

Pressing, punching, piercingInjection mouldingHydraulic cylinder replacementActive security barriersTimber processing

Often compared with

Engineers specifying this series often compare it with:

Other roller screw actuator series

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