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RDDS1-180xH

Technical Data

Drawing

RDDS1-180x165-S-B-CA dimensional drawing showing top view, cross-section (B-B) and isometric view, with 72 H6 / 77 H6 bore fits, connecting cable for measuring system and motor cable exit positions

Figure: RDDS1-180x165-S-B-CA Drawing — includes top view, B-B cross-section, and isometric view. The drawing indicates the connecting cable for the measuring system, connecting cable for the motor, and key fit dimensions: stage plate inner diameter 72 H6 and base plate inner diameter 77 H6.

System Data

Tolerance Note

Tolerance range for all values: ±5%. On housing of the rotary system the maximum temperature of 60 °C must not be exceeded by default.
* In few cases the limiting speed is limited by the winding version of the motor.

System Data Symbol Unit RDDS1-
180x110		 RDDS1-
180x137.5		 RDDS1-
180x165		 RDDS1-
180x192.5
Diameter × height DxH mm 180x110 180x137.5 180x165 180x192.5
Inner diameter: stage plate dsp mm 72 72 72 72
Inner diameter: base plate dbp mm 77 77 77 77
Measuring system 1 Vpp
   — Resolution (inc) inc inc 5400 5400 5400 5400
   — Resolution (inc) inc inc 18000 18000 18000 18000
Limiting speed of bearing nlim rpm 340 340* 340* 340*
Mass m kg 11.6 15.7 19.8 23.9
Moment of inertia J kgm2 0.0051 0.0064 0.0077 0.009
Axial/radial runout SR/KR µm ±10 ±10 ±10 ±10
Absolute accuracy Djabs arcsec ≤30 ≤30 ≤30 ≤30
Repeatability Djrep arcsec ≤5 ≤5 ≤5 ≤5
Axial load Fax N 641.0 641.0 641.0 641.0
Radial load Frad N 104.0 104.0 104.0 104.0
Moment impact (tilting torque) Ttilt Nm 27.5 27.5 27.5 27.5

Motor Specifications – Independent of Winding

Tolerance Note

Tolerance range for all values: ±5%. Tolerance range for values “ripple torque” and “power loss”: ±10%.
The stated motor data relate to a fixing of the rotary system on a mounting plate with a surface of ca. 73,600 mm2.

Motor Specifications Symbol Unit RDDS1-
180x110		 RDDS1-
180x137.5		 RDDS1-
180x165		 RDDS1-
180x192.5
Number of pole pairs P 13 13 13 13
Maximum operating voltage U V 600 600 600 600
Ultimate torque at Iu Tu Nm 37 74 111 147
Peak torque (saturation range) at Ip Tp Nm 31 63 95 125
Peak torque (linear range) at Ipl Tpl Nm 23 46 69 92
Continuous torque – water cooled – at Icw Tcw Nm 18 41 66 91
Continuous torque – not cooled – at Ic Tc Nm 8 17 23 29
Stall torque – water cooled – at Isw Tsw Nm 13 29 47 65
Stall torque – not cooled – at Is Ts Nm 6 12 17 21
Ripple torque (cogging) at I = 0 Tr Nm 0.1 0.2 0.3 0.4
Power loss at Tp (statical, 25 °C) Plp W 1193 1764 2345 2905
Power loss at Tpl (statical, 25 °C) Plpl W 466 689 916 1135
Power loss at Tcw Plw W 361 722 1089 1444
Power loss at Tc (statical, 25 °C) Plc W 66 105 119 131
Thermical resistance (water cooled) Rth K/W 0.277 0.139 0.092 0.069
Motor constant (at 25 °C) km Nm/√W 0.99 1.64 2.14 2.55
Cooling-water flow-rate dV/dt l/min 1.03 2.06 3.11 4.13
Cooling-water temperature-difference Δϑ K 5.00 5.00 5.00 5.00

Winding Specifications — RDDS1-180x110 & RDDS1-180x137.5

Note: Tolerance range for value “resistance”: ±10%. Tolerance range for value “inductance”: ±15%. Tolerance range for all other values: ±5%.
* “Limiting speed for continuous running” — See glossary.

Winding Specifications Symbol Unit RDDS1-180x110
WL		 RDDS1-180x110
WM		 RDDS1-180x110
WH		 RDDS1-180x137.5
WL		 RDDS1-180x137.5
WM		 RDDS1-180x137.5
WH
Torque constant kT Nm/Arms 3.4 1.7 1.2 6.7 3.4 2.4
Back EMF constant ku Vs/rad 2.8 1.4 1.0 5.5 2.8 1.9
Limiting speed — UDCL = 280 V
   at Ip, UDCL = 280 V nlp rpm 374 855 1264 156 403 610
   at Icw, UDCL = 280 V nlw rpm 629 1352 1974 265 605 896
   at Ic, UDCL = 280 V nlc rpm 817 1694 2450 391 827 1203
Limiting speed — UDCL = 600 V
   at Ip, UDCL = 600 V nlp rpm 925 1943 2817 439 950 1388
   at Icw, UDCL = 600 V nlw rpm 1459 3010 4344 655 1381 2005
   at Ic, UDCL = 600 V nlc rpm 1866 3784 5436 913 1867 2689
Limiting speed for continuous running* ncr rpm 462 462 462 462 462 462
Electrical resistance, phase to phase (25 °C) R25 Ω 6.6 1.7 0.8 9.8 2.5 1.2
Inductance, phase to phase L mH 27.1 6.8 3.3 54.3 13.6 6.6
Ultimate current Iu Arms 13.7 27.3 39.1 13.7 27.3 39.1
Peak current (saturation range) Ip Arms 10.9 21.9 31.3 10.9 21.9 31.3
Peak current (linear range) Ipl Arms 6.8 13.7 19.6 6.8 13.7 19.6
Continuous current at Plw (water cooled) Icw Arms 5.3 10.6 15.1 6.1 12.3 17.6
Continuous current at Plc (not cooled) Ic Arms 2.4 4.8 6.9 2.5 5.0 7.1
Stall current at zero speed (water cooled) Isw Arms 3.7 7.5 10.7 4.4 8.7 12.5
Stall current at zero speed (not cooled) Is Arms 1.7 3.4 4.9 1.8 3.5 5.1
Maximum winding temperature ϑ °C 130 130 130 130 130 130
Interrupting sensor temperature ϑ °C 100 100 100 100 100 100

Winding Specifications — RDDS1-180x165 & RDDS1-180x192.5

Note: Tolerance range for value “resistance”: ±10%. Tolerance range for value “inductance”: ±15%. Tolerance range for all other values: ±5%.
* “Limiting speed for continuous running” — See glossary.

Winding Specifications Symbol Unit RDDS1-180x165
WL		 RDDS1-180x165
WM		 RDDS1-180x165
WH		 RDDS1-180x192.5
WL		 RDDS1-180x192.5
WM		 RDDS1-180x192.5
WH
Torque constant kT Nm/Arms 10.2 5.1 3.6 13.5 6.7 4.7
Back EMF constant ku Vs/rad 8.3 4.2 2.9 11.0 5.5 3.9
Limiting speed — UDCL = 280 V
   at Ip, UDCL = 280 V nlp rpm 78 249 388 37 173 280
   at Icw, UDCL = 280 V nlw rpm 149 370 558 95 261 401
   at Ic, UDCL = 280 V nlc rpm 254 546 798 188 410 601
Limiting speed — UDCL = 600 V
   at Ip, UDCL = 600 V nlp rpm 273 614 905 192 452 672
   at Icw, UDCL = 600 V nlw rpm 403 870 1271 285 633 930
   at Ic, UDCL = 600 V nlc rpm 600 1234 1780 449 930 1343
Limiting speed for continuous running* ncr rpm 462 462 462 462 462 462
Electrical resistance, phase to phase (25 °C) R25 Ω 13.1 3.3 1.6 16.2 4.0 2.0
Inductance, phase to phase L mH 81.9 20.5 10.0 108.6 27.1 13.3
Ultimate current Iu Arms 13.7 27.3 39.1 13.7 27.3 39.1
Peak current (saturation range) Ip Arms 10.9 21.9 31.3 10.9 21.9 31.3
Peak current (linear range) Ipl Arms 6.8 13.7 19.6 6.8 13.7 19.6
Continuous current at Plw (water cooled) Icw Arms 6.5 13.1 18.7 6.8 13.5 19.4
Continuous current at Plc (not cooled) Ic Arms 2.3 4.6 6.6 2.2 4.3 6.2
Stall current at zero speed (water cooled) Isw Arms 4.6 9.3 13.3 4.8 9.6 13.8
Stall current at zero speed (not cooled) Is Arms 1.6 3.3 4.7 1.5 3.1 4.4
Maximum winding temperature ϑ °C 130 130 130 130 130 130
Interrupting sensor temperature ϑ °C 100 100 100 100 100 100
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