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RDH-S Rotary Stage

  • RDH-S Rotary Stage
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The RDH-S is a high precision, high load rotary stage, suitable for machining and indexing applications.
  • Sealed to IP65 against dust and fluids - can be used for machining with coolants
  • Available with solid or hollow center shaft
  • Available with 101:1 or 51:1 harmonic drive ratios
  • Repeatability< ± 6 seconds of arc
  • Positioning accuracy <1.5 minute of arc
  • No maintenance required
  • Accessories include 3 jaw chuck, tail stock, and T slot mounting plates
  • This model is available in a "Medium"  and "Xtra-Small" size for larger or smaller parts and space problems
  • Click here to configure part and add to quote:

Dimensioned Drawing of RDH-S
 
Configure part and ADD TO QUOTE Dimensioned Drawing
Accessories
 
RDH-S Accessories  
3 jaw chuck
Available in 3 sizes:
65mm diameter
80mm diameter
100mm diameter
T Slot Mounting Plate
150mm diameter
Tailstock and bed
Available in 4 sizes:
Bed Len (mm) Distance between
centers (mm)
370 128
470 228
570 328
670 428
 
See below to configure part and add to quote:
Accessories Dimensioned Drawing
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Select Options then Click “Add to Quote”
Part Number:
Quantity
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Features
  • With precision harmonic drive transmission
  • High load capacity, rigid drive bearing
  • Absence of play and high torsional rigidity
  • Reduction 1:51 or 1:101
  • Stepper or servomotor
  • Protection class IP 65, sealed against dust and spray coolant
  • Stainless Design
  • Transfer accuracy less than1.5 minute of arc
  • Repeatability - ±6 seconds of arc
  • Available in sold or hollow shaft design
  • Maintenance free, lubricated for life
 
RDH-S
  stepper motor MS 045 HT * EC servomotor EC 42 (brushless) DC servo motor RE 40 (with brushes)
Reduction ratio  1:51 1:101 1:51 1:101 1:51 1:101
Nominal output speed [1/min]  4 2 22 11 22 11
at 1500 Hz (225 1/min)  at 1100 1/min at 1100 1/min
Max. output speed [1/min]  24 12 59 30 69 35
at 8000 Hz  --
Nominal torque [Nm]  7 11 4.8 9.2 4.6 9
at 1500 Hz  --
Max. torque (short term) [Nm]  --  --  7 11 7 11
Rated holding torque (static load) [Nm]  7 11 7 11 7 11
Max. transmission load [Nm]  18 28 18 28 18 28
Limit for repeatable peak torque
Dynamic load factor C [N]  5800
Static load factor C0 [N]  8600
Weight [kg]  4.6
  * Values for half-step operation          

Rotary or tilting units
Rotary or tilting units 1* 2* 3 4 5 6 7
RDH-S (step)  30 kg  15 kg  7 Nm  7 Nm  7 Nm  4 rpm  1:51
RDH-S (step)  48 kg  24 kg  11 Nm  11 Nm  11 Nm  2 rpm  1:101
RDH-S (EC-servo, brushless)  30 kg  15 kg  7 Nm  4.6 Nm  4.6 Nm  22 rpm  1:51
RDH-S (EC-servo, brushless)  48 kg  24 kg  11 Nm  4.6 Nm  9.2 Nm  11 rpm  1:101
RDH-S (DC-servo)  25 kg  13 kg  7 Nm  4.6 Nm  4.6 Nm  22 rpm  1:51
RDH-S (DC-servo)  40 kg  20 kg  11 Nm  8.7 Nm  8.7 Nm  11 rpm  1:101
*) Guideline values will vary according to application !!

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