Medical industry motor RIB11 series
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Characteristics
- Applications
- medical industry
- Rotational speed
96 rpm
(603.1858 rad.min-1)- Diameter
384 mm
(15.12 in)- Voltage
600 V
Description
Overview
Main specifications
Mounting dimensions
Mechanical data
Torques
Speeds
Currents
Power losses
Electrical characteristics
General characteristics
Cooling conditions
Applications
Ordering information
- The RIB11-3P-384x175-Z4.0 is a standard torque motor from Schaeffler designed for direct-drive and rotary-table applications. It delivers high ultimate and rated torques with low cogging and offers integrated cooling options for increased continuous torque capability.
Main specifications
- Main dimensions
- DAP (Outer diameter stator): 485 mm
- D (Effective air gap diameter): 384 mm
- H (Active height): 175 mm
- DIS (Inner diameter rotor): 345 mm
- HS (Rotor height): 176 mm
- HP (Stator height): 235 mm
Mounting dimensions
- DP (Pitch circle diameter stator): 468 mm
- DS (Pitch circle diameter rotor): 360 mm
- TS_S × TD_S (Rotor thread): M8x16
- n_S × TP_S (Rotor thread, number×pitch): 48 × 7.5°
- TS_PC × TD_PC (Stator thread, cable side): M8x16
- n_PC × TP_PC (Stator thread, cable side, number×pitch): 45 × 7.5°
- TS_P × TD_P (Stator thread): M8x16
- n_P × TP_P (Stator thread, number×pitch): 48 × 7.5°
Mechanical data
- Rotor mass (mS): 28 kg
- Stator mass (mP): 104.1 kg
Torques
- Ultimate torque (Tu): 4,308 Nm
- Peak torque (Tp): 3,852 Nm
- Rated torque, cooled (Tcw): 2,473 Nm
- Rated torque, not cooled (Tc): 985 Nm
- Stall torque, cooled (Tsw): 1,879 Nm
- Cogging torque (Tcog): 10.75 Nm
Speeds
- Limiting speed at Ipeff and UDCL (n_lp): 61 1/min
- Knee speed (n_lw): 96 1/min
- Rated speed (S1), cooled (n_lwS1): 96 1/min
Currents
- Effective rated current, cooled (I_cw_eff): 52.4 A
- Effective rated current, not cooled (I_c_eff): 19 A
- Effective stall current, cooled (I_sw_eff): 37.8 A
- Effective ultimate current (I_u_eff): 122.2 A
- Effective peak current (I_p_eff): 97.8 A
Power losses
- Power loss at Tp (P_lp): 19,776 W
- Power loss at Tcw (P_lw): 7,633 W
- Power loss at Tc (P_lc): 747 W
Electrical characteristics
- DC link voltage (UDCL): 600 V
- Electrical resistance, phase to phase (R20): 1.4 Ω
- Inductance, phase to phase (L): 16.5 mH
- Back EMF constant, phase to phase (k_u): 42.3 V/(rad/s)
General characteristics
- Number of pole pairs (P): 33
- Motor constant (k_m): 36.04 Nm/√W
- Torque constant (k_T): 51.8 Nm/A
- Motor temperature switch-off threshold (θ_PTC): 110 °C
- Axial attraction (F_a): 0.67 kN
- Radial attraction (F_r): 12.4 kN/mm
Cooling conditions
- Cooling water flow (dV/dt): 14.6 l/min
- Rated supply temperature (θ_nf): 20 °C
- Cooling water temperature difference (Δθ): 7.5 K
Applications
- Precision rotary tables, direct-drive axes, machine-tool spindles for high-torque/low-speed applications.
- Positioning systems, winders, telescope azimuth drives, rotary indexing units requiring low cogging and high continuous torque with cooling.
Ordering information
- Product name: RIB11-3P-384x175-Z4.0
- Brand: Schaeffler
- Product ID: 2882139
- Category: direct-drives / torque-motors / standard-torque-motors
- Product page: https://medias.schaeffler.com/en/product/direct-drives/torque-motors/standard-torque-motors/rib11-3p-384x175-z4.0/p/2882139
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