Channel Mount Gearbox - CR - with L bracket 2.
Channel Mount Gearbox - CR - with L bracket
Channel Mount Gearbox - CR - included hub adaptor
Channel Mount Gearbox - CR - with base
Channel Mount Gearbox - CR - mounted inside 2 channel
Channel Mount Gearbox - CR - with tubing and channel brackets
Channel Mount Gearbox - CR top down
Channel Mount Gearbox - CR - back
Channel Mount Gearbox - Continuous Rotation
Channel Mount Gearbox - CR in channel (thumbnail)
SPG400A-CM-CR side view1

 SPG400A-CM-CR

Maximum Rotation

Weight
(No Servo)

4.8V Power
(ounce-inch)

6.0V Power
(ounce-inch)

4.8V Speed
(sec/60)

6.0V Speed
(sec/60)

(2:1 ratio)

Unlimited

3.2 oz.

-servo-

-servo-

-servo-

-servo-

(3:1 ratio)

Unlimited

3.2 oz.

-servo-

-servo-

-servo-

-servo-

(3.8:1 ratio)

Unlimited

3.2 oz.

-servo-

-servo-

-servo-

-servo-

(5:1 ratio)

Unlimited

3.2 oz.

-servo-

-servo-

-servo-

-servo-

(7:1 ratio)

Unlimited

3.3 oz.

-servo-

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Power Servo Kit

Price:

 $49.99

Part:

 SPG400A-CM-CR

Status:

 In-Stock

Ratio:

 

Qty:

 

Extreme torque and unlimited rotation from a standard size servo....easily done with the SPG400A-CM-CR Servo Power Gearbox. The all new structure is machined from high-strength 6061-T6 aluminum. By incorporating threaded side mounts you can now easily attach these servo gearboxes to numerous ServoCity products including tubing and channel; making it easier than ever to incorporate a servo power gearbox into a custom pan & tilt, mechanical device, or robotic structure. The hardened 1/2” stainless steel final shaft is supported by dual ABEC-5 precision ball bearings that not only allow extremely smooth operation but can also support up to 200 pounds of vertical and horizontal load.  The hollow output shaft (.382” center bore) allows wires to pass through the center axis. With five optional gear ratios, you are sure to find the right combination of torque and speed for your project. The SPG400a-45-CR kit will come with full assembly instructions. Servo not included. Patented.
Note:
The SPG400a-45-CR kit, when assembled, will allow for unlimited (continuous) rotation out of the final shaft. The assembled unit will operate in open loop form and not have any positioning feedback. The PWM signal received from the servo controller will determine the servo’s speed and direction rather than position. If you are not comfortable soldering and handling delicate parts, we would suggest purchasing a fully assembled Servo Power Gearbox.

Continuous Servo Angle Schematic

Given a 1500usec PWM, rotation will stop. Any signal between 1505usec to 1100usec or 1495usec- to 900usec will make the servo rotate variable rpm to the PWM signal. IE: A signal closest to 1500usec, the servo will rotate slowly. A signal further from 1500usec the servo will rotate faster.

(Shown with optional 7:1 metal gears, servo not included)

The 3.75” channel piece is the perfect length for the gearbox.
(not included)

Want to try a different gear ratio on your Servo Power Gearbox?

Channel Mount Gearbox pic 2
Channel Gearbox 3D Drawings
575120 Schematics for continuous
Channel gearbox 10
Channel gearbox 8
Patented
Channel Mount Gearbox pic 2
Gearbox with 3 pcs of channel1
Channel with gearboxes
Gearbox with 3 pcs of channel 2

Utilizes a .770” hub pattern.

770 pattern

Mounts easily into our aluminum channel using
6-32 screws.

Robotic arm with channel gearboxes

These gearboxes make it easy to construct robotic arms and other servo powered structures with our channel!

The .770” hub pattern on the output shaft allows for endless attachment possibilities!

A .770 x .770 adaptor comes included with the gearbox and makes it easy to attach other ServoCity components.

Shown with a 90 single angle channel bracket (short)

Ratio

Servo Gear

Servo Gear
 Part Number

Hub Gear

Hub Gear
Part Number

2:1

32T

615290

64T

615194

3:1

24T

615286

72T

615198

3.8:1

20T

615282

76T

615202

5:1

16T

615278

80T

615206

7:1

12T

615274

84T

615210

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DREAM. DESIGN. BUILD. REPEAT.

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Fig. 16

Fig. 17

Fig. 18

Fig. 9

Fig. 10

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SPG400A-CM-CR Servo Gearbox
ServoCity - Servos & Accessories - Robotzone Servos - Channel Mount Servo Power Gearboxes - SPG400A-CM Channel Mount Gearboxes - SPG400A-CM-CR Servo Gearbox -
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