In-Line planetary gearboxes

Ultimate RA

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Ultimate CI-RA

EXTREME DUTY CYCLES WITH HIGH loads applied ON THE OUTPUT FLANGE

Ultimate is a heavy-duty, low-backlash planetary gearbox. It features considerable stiffness and amazing acceleration capacity, together with extreme load capacity on the output flange.

Acceleration capacity +++++
Fast reversals +++++
Radial load rating +++++
Axial load rating +++++
Stiffness +++++
Precision ++
Economy +++
Suitable to servo-motor applications YES
Number of sizes in this line 4 (64 to 140)
Standard angular backlash <3 or <5 arc-min
Optional reduced backlash <1 or <3 arc-min
Available ratios 4 to 100
Motor shaft connection Balanced coupling
 
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INTERNAL CONSTRUCTION

Ultimate RA is a heavy-duty, right-angle, low-backlash helical planetary gearbox. 

  • The planet carrier is a massive cage providing stiffness and acceleration capacity.
  • It is monobloc with the output flange.
  • The cage is centered into the inner planetary ring by means of 2 preloaded angular-contact ball bearings (for small sizes) or tapered-roller bearings (sizes above 140). This construction reinforces the acceleration capacity and the gearbox acceptance of fast reversals.
  • We recommend this line for applications using application factor Ka<2.25 (refer to the information section for more details about application factors).

Right-angle gearhead

  • The motor shaft connection is a balanced coupling, so the efforts on your motor bearings are minimal.
  • Installation is fast and easy thanks to a 1-screw lock to your motor shaft.
  • The input flange features weight reduction.
  • The gearbox will be delivered with the adapting flange corresponding to your motor.

PRODUCT-LINE FEATURES

QUIET OPERATION

The Ultimate RA line follows the Perfect PitchTM concept, including the use of helical toothing to provide a silent and safe operation to your system. Refer to the PerfectPitch conceptTM section for more detailed information.

VERY HIGH ACCELERATION CAPACITY

The planet carrier is a massive cage, designed to increase torsional stiffness and acceleration capacity. This design provides a perfect alignment of the gears, even at maximum torque. 

This gearbox is adapted to permantent, extreme variations of torque like in delta robots or punching machines.

HIGH RADIAL AND AXIAL LOADS ACCEPTANCE

The planet carrier is strongly by angular-contact ball-bearings or tapered roller bearings (sizes above 140).

MONOBLOC RING GEAR IN FORGED STEEL

The planetary ring gear is monobloc with the output adapting flange and includes the 2 bearing locations.

LONG-LASTING PRECISION, WITH UP TO 4 SATELLITE GEARS PER STAGE

High-precision planet gears in Japanese, carburized and quenched steel allow high torque density and strong accelerations, year after year, without loss of precision.

They are supported by large, carburized needles (bearings without cages), in order to maximize torque capacity and lifetime.

SAFETY FOR YOUR MOTOR SHAFT

The Ultimate RA line features a standard, balanced coupling with a press-fitted pinion, to limit radial efforts on your motor shaft.

TECHNICAL DATA

 

Ratio

Ultimate

CI-ST-047

Ultimate

CI-ST-064

Ultimate

CI-ST-090

Ultimate

CI-ST-110

Ultimate

CI-ST-140

Ultimate

CI-ST-200

Nominal torque

T2n (Nm) (1)

4 8 42 154 244 407 1,180
5 11 33 120 190 438 1,225
5,5 - - 164 260 590 1,660
6 - 27 81 179 440 1,225
7 8 30 108 203 465 1,300
8 - 18 55 164 408 1,185
9 - 16 47 137 353 1,035
10 5 18 66 147 308 920
16 8 42 100 244 407 814
20 8 42 78 244 334 876
22 - - 164 260 590 1,660
24 8 42 154 244 407 1,180
25 11 33 98 190 418 1,095
27,5 - - 164 260 590 1,660
28 8 42 63 174 356 930
30 - 27 81 179 440 1,225
32 8 42 154 244 407 1,180
35 11 33 79 190 438 1,163
36 - 27 81 179 440 1,225
38,5 - - 164 260 590 1,660
40 8 42 37 103 220 616
42 - 27 81 179 440 1,225
45 11 33 120 190 438 1,225
48 - 27 81 179 440 1,225
50 11 33 45 128 275 770
55 - - 164 260 590 1,660
60 - 27 55 154 330 924
70 8 30 65 180 385 1,078
80 - 18 55 164 408 1,185
90 - 16 47 137 353 1,035
100 5 18 66 147 308 920

Peak torque

TMax (Nm) (2)

4 14 77 190 490 810 2,350
5 14 55 170 380 870 2,380
5,5 - - 235 500 1,100 2,900
6 - 38 114 330 815 2,250
7 14 54 161 380 805 2,170
8 - 37 111 320 765 2,050
9 - 36 106 305 730 1,970
10 13 50 157 355 715 1,470
16 14 77 131 390 810 1,620
20 14 77 107 275 600 1,740
22 - - 235 500 1,100 2,900
24 - 77 190 490 810 2,350
25 14 55 134 342 750 2,175
27,5 - - 235 500 1,100 2,900
28 14 77 102 281 560 1,608
30 - 38 114 330 815 2,250
32 - 77 190 490 810 2,350
35 14 55 127 351 700 2,010
36 - 38 114 330 815 2,250
38,5 - - 235 500 1,100 2,900
40 14 77 97 261 520 1,430
42 - 38 114 330 815 2,250
45 - 55 170 380 870 2,380
48 - 38 114 330 815 2,250
50 14 55 121 326 650 1,788
55 - - 235 500 1,100 2,900
60 - 38 114 330 815 2,250
70 14 54 161 380 805 2,170
80 - 37 111 320 765 2,050
90 - 36 106 305 730 1,970
100 13 50 157 355 715 1,470
Emergency stop torque (3) 1,5*Tmax
Max angular backlash (minutes) 1 stage Standard ≤10 / Option ≤6 Sizes 90 to 285 : Standard ≤8 / Option ≤5
2 stages Standard ≤10 / Option ≤6 Sizes 90 to 285 : Standard ≤8 / Option ≤5
Nominal input speed (rpm) (4) 4,000 4,000 3,100 2,800 2,600 2,000
Max input speed (rpm) (5) 7,500 7,500 7,500 5,500 5,000 4,500
Max radial load (N) (6) 320 465 1,440 3,960 11,680 22,500
Max axial load (N) 420 565 2,050 5,700 16,900 17,400
Tilting moment 10,5 23 95 335 1,130 2,280
Efficiency (%) (7) 1 stage >94
2 stages >92
Torsional stiffness (Nm/min) 6 13 32 82 150 600
Life (h) (8) 20,000
Min / max ambiant temp (°C) -10 / +45
Max temperature of the body (°C) 90
Protection class IP 65
Noise level (dB) (9) <61 <63 <65 <67 <71 <72
Lubrication Sumico MP n°2 grease (lifetime lubrication)
Color Capri blue (RAL 5019)
Input flange Anodized aluminum
  1. Following the ISO 6336-2 standard, for a 20,000 hours life with a 1,25 application factor, at nominal speed with 60°C internal temperature. Applying a lower torque prolounges life significantly.

  2. Following ISO 6336-2 standard, for 2,000h (10% of life) with a 1,4 safety factor, at nominal speed with 60°C internal temperature. Using a torque higher than the nominal torque wears the internal gears.

  3. 1,000 occurences maximum

  4. Speed at which nominal torque can be applied for 20,000 hours

  5. Acceptable for a short duration only

  6. Applied at the middle of the output shaft with a 100 rpm speed.

  7. Measured with a 60°C gearbox using nominal speed and torque. Refer to temperature factors in dedicated section.

  8. Minimum life at nominal speed and torque. Using lower speed and/or torque prolounges life significantly.

  9. At nominal speed, measured at 1m.

*Sizes 200 and above lead-time can reach 10 to 12 weeks for the 1st order.

DOWNLOAD AREA

Drawings will be available soon. In the meantime please click here to request the datasheets and 3D drawings.

 

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