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Gearhead

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The motor can be used in a wide variety of applications by combining it with a reduction gear(speed reduction).
With the precision processing technology cultivated in watchmaking, Orbray provides geared motors equipped with high-precision gearheads that are quiet and have high transmission efficiency.

* Gearhead is sellable only in combination with motor.

Gearhead Types

Supar gearhead

Spur gearhead

  1. base-plate
  2. kana (drive sprocket)
  3. guide
  4. spur (driven sprocket)
  5. bearing
  6. output shaft
  • Most popular gearhead
  • Gear shaft is aligned in parallel with the output shaft
  • No thrust force is generated
  • Rotating direction may differ between input shaft and output shaft depending on the stages.

Spur gear: Gear train using spur wheel, relatively simple structured with fewer number of parts, advantage is less mechanical noise.

Planetary gearhead

Planetary gearhead

  1. base-plate
  2. planetary gear
  3. career plate
  4. internal gear
  5. bearing
  6. output shaft
  • Large reduction ratio can be achieved
  • Considerable torque transmission
  • Input shaft (motor shaft) and output shaft (gear shaft) are aligned in one straight line.
  • Torque is distributed evenly to each planetary gear, so the gear is relatively strong in durability.

Planetary gear: It is called a planetary gear because it orbits around the sun gear. Due to large number of teeth, it is suited for high torque transfer.

By attaching a reduction gear mechanism on the motor output shaft, it can generate high torque/low speed, which motor alone cannot achieve.
Compact motors usually feature high speed, but this speed can be reduced to requested level by combining with a gearhead.
Because torque increases in proportion to gear ratio, high torque can be easily achieved even in a compact motor.
While a gearhead can help generate high torque, it may influence durability and characteristics failure depending on its accuracy.
Using the precision processing technology nurtured in diamond processing/watch part processing, Orbray manufactures and delivers low noise, high efficiency precision gearheads.

Spur Gear

Products
※1		 Dia.φ
[mm]		 Reduction
Ratio
(absolute
value)		 Number
of stage		 Max allowable torque Efficiency
[%]		 Length
[mm]		 Weight
[g]		 Rotation
direction
※2		 Motor combination
Continous
[mNm]		 Intermittent
[mNm]
SSG10-15 10 15.40:1 3 12 30 73 14 5.4 ≠ CMS10 series
CMS10-13XX
with Spur gear

CMS10-18XX
with Spur gear

BMS10 series
BMS10-10XX
with Spur gear

BMS10-18XX
with Spur gear
SSG10-29 29.25:1 4 12 30 66 16 6.2 ＝
SSG10-49 48.75:1 5 12 30 59 18 7.0 ≠
SSG10-49 72.29:1 5 12 30 59 18 7.0 ≠
SSG10-93 93.43:1 5 12 30 59 18 7.0 ≠
SSG10-156 155.56:1 6 12 30 53 20 7.9 ＝
SSG10-200 199.64:1 6 12 30 53 20 7.9 ＝
SSG10-262 261.59:1 6 12 30 53 20 7.9 ＝
SSG12-16 12 15.79:1 3 12 30 73 14 8.3 ≠ CMS12 series
CMS12-15XX
with Spur gear

CMS12-20XX
with Spur gear

CMS12-30XX
with Spur gear

BMS12 series
BMS12-15XX
with Spur gear

BMS12-21XX
with Spur gear
SSG12-25 24.70:1 3 12 30 73 14 8.3 ≠
SSG12-47 47.35:1 4 15 30 66 16 9.2 ＝
SSG12-74 74.10:1 4 15 30 66 16 9.2 ＝
SSG12-94 93.86:1 4 15 30 66 16 9.2 ＝
SSG12-175 175.50:1 5 15 30 59 18 10.2 ≠
SSG12-222 222.30:1 5 15 30 59 18 10.2 ≠
SSG12-282 281.58:1 5 15 30 59 18 10.2 ≠
SSG15-29 15 29.07:1 3 15 30 73 9.6 8.9 ≠ CMS16 series
CMS16-23XX with Spur gear

CMS16-28XX with Spur gear

CMS16-33XX with Spur gear

BMS16 series
BMS16-20XX with Spur gear

BMS16-30XX with Spur gear
SSG15-49 48.58:1 4 24 60 66 11.6 10.3 ＝
SSG15-71 71.35:1 4 24 60 66 11.6 10.3 ＝
SSG15-94 93.68:1 4 24 60 66 11.6 10.3 ＝
SSG15-152 152.2:1 5 24 60 59 13.6 10.3 ＝
SSG15-198 198.06:1 5 24 60 59 13.6 11.5 ≠
SSG15-302 301.84:1 5 24 60 59 13.6 10.3 ≠
SSG15-438 438.31:1 6 24 60 53 15.6 12.9 ＝
SSG15-638 638.18:1 6 24 60 53 15.6 12.9 ＝

Planetary Gear

Products
※1		 Dia.φ
[mm]		 Reduction
Ratio
(absolute
value)		 Number
of stage		 Max allowable torque Efficiency
[%]		 Length
[mm]		 Weight
[g]		 Rotation
direction
※2		 Motor combination

Continous
[mNm]

 Intermittent
[mNm]
SPG04-4.3 4 4.29:1 1 TBD TBD 85 6.6 0.5 ＝ BMN04-08XX
with
Planetary MIM gear
SPG04-18 18.37:1 2 TBD TBD 72 7.8 0.6 ＝
SPG04-79 78.72:1 3 TBD TBD 61 9.0 0.7 ＝
SPG04-337 337.36:1 4 TBD TBD 52 10.2 0.8 ＝
SPG07-4.7 7 4.71:1 1 10 20 85 7.4 2 ＝ CMS07-17XX
with
Planetary gear


BMN07-12XX
with
Planetary gear
SPG07-22 22.22:1 2 10 20 85 7.4 2 ＝
SPG07-105 104.77:1 3 10 20 61 11.8 3 ＝
SPG07-494 493.93:1 4 10 20 52 14.1 3.5 ＝
SPG10-3.6 10 3.60:1 1 50 100 85 10.5 5.8 ＝ CMS10 series
CMS10-13XX
with Planetary gear

CMS10-18XX
with Planetary gear

BMS10 series
BMS10-10XX
with Planetary gear

BMS10-18XX
with Planetary gear
SPG10-4.7 4.70:1 1 50 100 85 10.5 5.8 ＝
SPG10-13 12.96:1 2 50 100 72 13.5 7.1 ＝
SPG10-22 22.22:1 2 50 100 72 13.5 7.1 ＝
SPG10-47 46.66:1 3 50 100 61 16.5 8.4 ＝
SPG10-61 61.10:1 3 50 100 61 16.5 8.4 ＝
SPG10-80 80.01:1 3 50 100 61 16.5 8.4 ＝
SPG10-105 104.77:1 3 50 100 61 16.5 8.4 ＝
SPG10-168 167.96:1 4 50 100 52 19.6 9.7 ＝
SPG10-220 219.95:1 4 50 100 52 19.6 9.7 ＝
SPG10-288 288.03:1 4 50 100 52 19.6 9.7 ＝
SPG10-377 377.18:1 4 50 100 52 19.6 9.7 ＝
SPG10-494 493.93:1 4 50 100 52 19.6 9.7 ＝
SPG12-3.5 12 3.50:1 1 100 200 85 14.2 11.6 ＝ CMS12 series
CMS12-15XX
with Planetary gear

CMS12-20XX
with Planetary gear

CMS12-30XX
with Planetary gear

BMS12 series
BMS12-15XX
with Planetary gear

BMS12-21XX
with Planetary gear
SPG12-4.8 4.75:1 1 100 200 85 14.2 11.6 ＝
SPG12-12 12.25:1 2 100 200 72 18 14.1 ＝
SPG12-23 22.56:1 2 100 200 72 18 14.1 ＝
SPG12-43 42.88:1 3 100 200 61 21.8 16.6 ＝
SPG12-58 58.19:1 3 100 200 61 21.8 16.6 ＝
SPG12-79 78.97:1 3 100 200 61 21.8 16.6 ＝
SPG12-107 107.17:1 3 100 200 61 21.8 16.6 ＝
SPG12-150 150.06:1 4 100 200 52 25.7 19.1 ＝
SPG12-204 203.66:1 4 100 200 52 25.7 19.1 ＝
SPG12-375 375.10:1 4 100 200 52 25.7 19.1 ＝
SPG12-509 509.07:1 4 100 200 52 25.7 19.1 ＝
SPG16-3.6 16 3.60:1 1 200 400 85 15.3 20 ＝ CMS16 series
CMS16-23XX
with Planetary gear

CMS16-28XX
with Planetary gear

CMS16-33XX
with Planetary gear

BMS16 series
BMS16-20XX
with Planetary gear

BMS16-30XX
with Planetary gear
SPG16-4.7 4.71:1 1 200 400 85 15.3 20 ＝
SPG16-13 12.96:1 2 200 400 72 19.5 24.5 ＝
SPG16-22 22.22:1 2 200 400 72 19.5 24.5 ＝
SPG16-47 46.66:1 3 200 400 61 23.7 29 ＝
SPG16-61 61.10:1 3 200 400 61 23.7 29 ＝
SPG16-80 80.01:1 3 200 400 61 23.7 29 ＝
SPG16-105 104.77:1 3 200 400 61 23.7 29 ＝
SPG16-168 167.96:1 4 200 400 52 28 33.5 ＝
SPG16-220 219.95:1 4 200 400 52 28 33.5 ＝
SPG16-288 288.03:1 4 200 400 52 28 33.5 ＝
SPG16-377 377.18:1 4 200 400 52 28 33.5 ＝
SPG16-493 493.93:1 4 200 400 52 28 33.5 ＝
PG22-4 22 4.00:1 1 49 74 85 13.1 30 ＝  
PG22-16 16.00:1 2 74 110 72 16.2 35 ＝
PG22-24 24.00:1 2 74 110 72 16.2 35 ＝
PG22-64 64.00:1 3 98 147 61 19.3 40 ＝
PG22-96 96.00:1 3 98 147 61 19.3 40 ＝
PG22-144 144.00:1 3 98 147 61 19.3 40 ＝
PG22-256 256.00:1 4 123 184 52 22.4 45 ＝
PG22-384 384.00:1 4 196 294 52 22.4 45 ＝
PG22-576 576.00:1 4 294 392 52 22.4 45 ＝
PG22-864 864.00:1 4 392 588 52 22.4 45 ＝
TR22-20 22 19.91:1 2 3,000 4,000 72 33.4 70 ＝ CMS16 series
B4S22-32XX
with Planetary gear
TR22-112 111.52:1 3 3,000 4,000 61 39.6 80 ＝
TR22-397 396.55:1 4 3,000 4,000 52 45.8 90 ＝

※1　RED LETTERS：Non-standard gear
※2　Rotation direction…
　　　＝：The same rotation direction as the motor axis
　　　≠：Opposite rotation direction from the motor axis

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