The Medium-Duty (MD) series of Glideforce linear actuators by Concentric International (formerly Iowa Export-Import) are 12V DC gearmotors that use a lead screw to move a shaft back and forth along its length. All of the actuators in this category have a 20:1 gearbox reduction with all metal gears, which allows them to move loads up to 100 kgf [225 lbs or 1000 N] and gives them a maximum speed of between 1.0 and 1.5 cm/s [0.4 and 0.6 in/s], depending on the load. The shaft will hold its position even when unpowered and subjected to static loads up to 450 kgf [1000 lbs or 4500 N]. Two limit switches safely stop the motor at either end of its range, while integrated diodes allow it to reverse direction after reaching a limit point if the supplied voltage is reversed.
These actuators are available in a variety of stroke lengths, from 4″ to 12″, and with optional potentiometers that are linked to the shaft position, for use in feedback systems:
|
Actuator
Type
|
Max
Dynamic
Load
|
No-Load
Speed
@ 12 V
|
Max-Load
Speed
@ 12 V
|
Current
Draw
@ 12 V
|
Nominal
Stroke
Length
|
With
Feedback
|
|
Medium-Duty
(MD)
|
100 kgf
[225 lbs]
|
1.5 cm/s
[0.58″/s]
|
1.0 cm/s
[0.41″/s]
|
1.1 A –
4.6 A
|
4″ | MD122004-P |
| 6″ | MD122006-P | |||||
| 8″ | MD122008-P | |||||
| 10″ | MD122010-P | |||||
| 12″ | MD122012-P |
Mounting brackets made from machined aluminum or stamped steel are available for attaching the actuators to a structure; two are required for each actuator.
MD Series Features and Specifications:
- Nominal operating voltage: 12 V
- Rated dynamic load capacity: 225 lbs [100 kgf or 1000 N]
- Maximum static load: 1000 lbs [450 kgf or 4500 N]
- Speed at 12 V, no load: 0.58 in/s [14.7 mm/s]
- Speed at 12 V, max load: 0.41 in/s [10.4 mm/s]
- Standard preset limit switches at both ends of stroke
- All aluminum frame and extension tube
- All metal gears
- Noise level: ≤ 70 dB
- Mounting hole diameter: 3/8″ [10 mm]
- Working temperature: -13°F [-25°C] to 149°F [65°C]
- IP rating: IP65 (total dust protection, water resistant)
MD122004-P:
- Nominal stroke length: 4″ [10.2 cm]
- Actual stroke length: 3.94″ [10.0 cm]
- Retracted length: 9.53″ [24.2 cm] (from mounting hole to mounting hole)
- Extended length: 13.47″ [32.4 cm] (from mounting hole to mounting hole)
- Weight: 39 oz [1.11 kg]
- Gear ratio: 20:1 (standard)
- Feedback potentiometer
MD122006-P:
- Nominal stroke length: 6″ [15.2 cm]
- Actual stroke length: 5.91″ [15.0 cm]
- Retracted length: 11.50″ [29.2 cm] (from mounting hole to mounting hole)
- Extended length: 17.41″ [44.2 cm] (from mounting hole to mounting hole)
- Weight: 42 oz [1.20 kg]
- Gear ratio: 20:1 (standard)
- Feedback potentiometer
MD122008-P:
- Nominal stroke length: 8″ [20.3 cm]
- Actual stroke length: 7.87″ [20.0 cm]
- Retracted length: 13.46″ [34.2 cm] (from mounting hole to mounting hole)
- Extended length: 21.33″ [54.2 cm] (from mounting hole to mounting hole)
- Weight: 46 oz [1.30 kg]
- Gear ratio: 20:1 (standard)
- Feedback potentiometer
MD122010-P:
- Nominal stroke length: 10″ [25.4 cm]
- Actual stroke length: 9.84″ [25.0 cm]
- Retracted length: 15.43″ [39.2 cm] (from mounting hole to mounting hole)
- Extended length: 25.27″ [64.2 cm] (from mounting hole to mounting hole)
- Weight: 49 oz [1.39 kg]
- Gear ratio: 20:1 (standard)
- Feedback potentiometer
MD122012-P:
- Nominal stroke length: 12″ [30.5 cm]
- Actual stroke length: 11.81″ [30.0 cm]
- Retracted length: 17.40″ [44.2 cm] (from mounting hole to mounting hole)
- Extended length: 29.21″ [74.2 cm] (from mounting hole to mounting hole)
- Weight: 52 oz [1.48 kg]
- Gear ratio: 20:1 (standard)
- Feedback potentiometer
Documents:
Package Includes:
- 1 x Glideforce MD122004P/6P/8P/10P/12P-12V- Medium-Duty Linear Actuator with Feedback
| Electrical Specifications | |
| Minimum Operating Temperature | -13°F [-25°C] |
| Maximum Operating Temperature | 149°F [65°C] |
| Operating Voltage | Nominal operating voltage: 12 V |
| Additional Information | |
| Warranty | |
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Tags: Pololu, Actuator, Feedback, Glideforce