Glideforce MD122010-P Medium-Duty Linear Actuator with Feedback: 100kgf, 10" Stroke (9.8" Usable), 0.58"/s, 12V
This 12 V medium-duty (MD) linear actuator can lift loads up to 100 kgf [225 lbs or 1000 N] and can withstand static loads up to 450 kgf [1000 lbs or 4500 N]. It has a maximum speed of 14.7 mm/s [0.58″/s] at no load and 10.4 mm/s [0.41″/s] at the maximum load. Limit switches at each end make the actuator easy to control over its full range of motion. The shaft holds its position when unpowered. This version has a 10-inch stroke (9.8″ usable) and a feedback potentiometer that lets you determine where the actuator is in its stroke.
Alternatives available with variations in these parameter(s): nominal stroke length feedback potentiometer included?
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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. The actuators have an all-aluminum frame and extension tube, and the entire case is sealed to protect against dust and water (rated IP65).
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:
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Details for item #3618
Glideforce MD122010-P Medium-Duty Linear Actuator with Feedback: 100kgf, 10" Stroke, 0.58"/s, 12V.
- Concentric item number: 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
MD series features and specifications
The following specifications apply to all Glideforce MD series linear actuators with the standard 20:1 gear ratio:
- 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)
For more details, see the MD series datasheet (709k pdf).
Diagrams of the linear actuators are shown below. The versions that include potentiometers have a larger gearbox, so their overall size and weight is larger. For more detailed information, including the retracted and extended lengths of each version, see the datasheet.
Dimensions of Glideforce MD linear actuators with feedback. Units are mm.
Dimensions of Glideforce MD linear actuators without feedback. Units are mm.
Glideforce MD122004 medium-duty linear actuator (4″ stroke) with shaft fully extended.
Using the actuator
To test-drive the actuator, simply connect a power source of up to 12 V to the motor leads. Reversing the applied voltage will reverse the direction of motion. A motor controller or motor driver is required for electronic speed and direction control. We recommend our Jrk G2 24v13 Motor Controllers for use with the feedback actuators (see below for more information on this) and the Simple Motor Controller G2 18v15 for controlling the actuators without feedback, though many of our other motor controllers and motor drivers are capable of powering this actuator.
These actuators have a stall current of 14 A at 12 V, but they will, on average, draw far less than this when used within their load ratings. They draw around 1 A with no load and can exceed 4 A at their maximum rated dynamic load. Note, however, that the actuators can briefly draw close to their full stall current when abruptly started or on a sudden change of direction. Such current spikes can be dampened if you take steps to limit the acceleration of the actuator (many of our motor controllers offer optional acceleration limiting).
Actuators with feedback have a 26″ (90 cm) cable that is terminated with special female connectors as shown in the left picture below, one for the three potentiometer leads and another for the two power leads. These connectors match male versions on the extension cable for LD/MD linear actuators. Actuator versions without feedback have a 36″ (90 cm) cable with two unterminated, stripped power leads as shown in the right picture below. Linear actuators without feedback do not have cables that are compatible with the linear actuator extension cable.
Using a Jrk G2 motor controller with a linear actuator with feedback
Connecting a medium-duty linear actuator with feedback to a Jrk 24v13 motor controller.
The feedback features of our Jrk G2 24v13 motor controller make it a great solution for precisely controlling our linear actuators with feedback. Our settings file for the Jrk G2 configuration utility makes setup easy, eliminating the need to tune the PID constants. To get started, follow the steps below:
- If you have not already, read through the Jrk G2 Motor Controllers User’s Guide and download its drivers and configuration software.
- Before connecting power and your actuator to your Jrk, confirm that it is working by connecting your Jrk to a PC with a USB cable and launch the configuration utility. The red LED should be on, and the green LED should be flickering quickly.
- Download the Jrk 24v13 settings file for use with MD1220xx-P (2k txt).
- In the configuration utility, choose File → Open settings file (Ctrl + O), and navigate to the location of the settings file you downloaded in step 3.
- Click on the PID tab of the configuration utility and verify that the proportional and derivative coefficients are not zero. If they are zero, the settings file was probably not loaded properly and you should try performing the previous step again.
- Click “Apply settings”.
- With your power supply off and USB disconnected, connect your linear actuator to your Jrk using the connections shown in the picture above.
- Turn on power, plug in USB, and reconnect to the configuration utility (use the “Connected to” drop down box if the configuration utility doesn’t automatically reconnect to your Jrk).
- On the Status tab, move the slider around to change the target position and get your actuator to move the target position.
- The settings in this file should work fairly well with any length Glideforce medium-duty actuator that has a feedback potentiometer (model MD1220xx-P). However, to ensure you can control your actuator across its full stroke, you should recalibrate the feedback. Instructions for doing this can be found in the analog feedback section of the Jrk G2 User’s Guide.
Other Glideforce linear actuator options
Glide force ID, MD, and LD linear actuators with 6″ strokes next to their corresponding aluminum and steel mounting brackets.
We carry a variety of Glideforce linear actuators, from the light-duty LD series through the industrial-duty ID series. The table below shows our full offering of these linear actuators: