20DAM-K

20DAM-K Linear Actuator Stepper Motor

20DAM-K Linear Actuator Stepper Motor

20DAM-K

The smallest of our miniature linear stepper motor line, is the 20DAM-K which is a high-performance captive miniature linear actuator that provides up to 30.6 N of linear force in a 20mm frame size.  The miniature linear motor is a can stack stepper motor with a built-in leadscrew to directly convert rotary motion into linear motion. Using the basic can stack stepper motor design, the miniature linear stepper actuator has a 15 degree step angle. The rotor magnet sits on a thermoplastic nut captured between two ball bearings secured in the end caps. Depending on the level of integration required, the DLA can be captive (limited travel) or non-captive (extended travel).

Product Highlights

  • High continuous linear force output for size
  • Digitally controlled - easy to use with a micro processor
  • Cost effective - compact design, lower integration cost
  • Maintenance free - no brushes to replace
  • Unipolar and bipolar winding options
  • Captive and non-captive linear actuator designs
  • Long life - ball bearing design

Customization Available

  • Coil modifications - resistance and inductance
  • Higher strength plastics for higher impact forces
  • Magnets - to yield higher linear force or reduced detent levels
  • Reduced or increased detent force to suit the application
  • Screw - metric or imperial tips, length
  • Special flanges, connectors, end of motion detection sensors
  • Wiring - connectors, lead length, shrink tubing

Applications

Part Number 20DAM10D1B-K 20DAM10D1U-K 20DAM10D2B-K 20DAM10D2U-K 20DAM20D1B-K 20DAM20D1U-K 20DAM20D2B-K 20DAM20D2U-K 20DAM40D1B-K 20DAM40D1U-K 20DAM40D2B-K 20DAM40D2U-K
Motor Diameter (in) 0.807 0.807 0.807 0.807 0.807 0.807 0.807 0.807 0.807 0.807 0.807 0.807
Motor Diameter (mm) 20.5 20.5 20.5 20.5 20.5 20.5 20.5 20.5 20.5 20.5 20.5 20.5
Standards Met RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant RoHS Compliant
Steps per Revolution 24 24 24 24 24 24 24 24 24 24 24 24
Ambient Operating Temperature Range (°C) -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70 -20 to +70
Ambient Operating Temperature Range (°F) -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158 -4 to +158
Nominal Voltage (V) 5 5 12 12 5 5 12 12 5 5 12 12
Weight (g) 25 25 25 25 25 25 25 25 25 25 25 25
Weight (oz) 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88
Coil Temperature, Max (°C) 130 130 130 130 130 130 130 130 130 130 130 130
Coil Temperature, Max (°F) 266 266 266 266 266 266 266 266 266 266 266 266
Dielectric Withstanding Voltage (VAC) 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds 650 for 2 seconds
Inductance per Phase, Typical (mH) 7.2 3.8 40.8 20.3 7.2 3.8 40.8 20.3 7.2 3.8 40.8 20.3
Insulation Resistance at 500 VDC (Mohm) 20 20 20 20 20 20 20 20 20 20 20 20
Resistance per Phase, ± 10% (Ohm) 20 20 115.2 115.2 20 20 115.2 115.2 20 20 115.2 115.2
Winding Phase Bipolar Unipolar Bipolar Unipolar Bipolar Unipolar Bipolar Unipolar Bipolar Unipolar Bipolar Unipolar
Holding Force, Min @ rated current @ 0.001" (0.0254 mm) / Step (N) 30.6 20.9 30.6 20.9
Holding Force, Min @ rated current @ 0.001" (0.0254 mm) / Step (oz) 110 75 110 75
Holding Force, Min @ rated current @ 0.002" (0.058 mm) / Step (N) 20.9 13.9 20.9 13.9
Holding Force, Min @ rated current @ 0.002" (0.058 mm) / Step (oz) 75 50 75 50
Holding Force, Min @ rated current @ 0.004" (0.1016 mm) / Step (N) 11.1 8.3 11.1 8.3
Holding Force, Min @ rated current @ 0.004" (0.1016 mm) / Step (oz) 40 30 40 30
Holding Force, Min (Unenergized) @ 0.001" (0.0254 mm) / Step (N) 20.9 20.9 20.9 20.9
Holding Force, Min (Unenergized) @ 0.001" (0.0254 mm) / Step (oz) 75 75 75 75
Holding Force, Min (Unenergized) @ 0.002" (0.0508 mm) / Step (N) 11.1 11.1 11.1 11.1
Holding Force, Min (Unenergized) @ 0.002" (0.0508 mm) / Step (oz) 40 40 40 40
Holding Force, Min (Unenergized) @ 0.004" (0.1016 mm) / Step (N) 2.8 2.8 2.8 2.8
Holding Force, Min (Unenergized) @ 0.004" (0.1016 mm) / Step (oz) 10 10 10 10
Input Power (W) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Linear Travel Accuracy ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step ± 1 Step
Rated Current per Phase, 1 Phase ON (A) 0.35 0.35 0.14 0.14 0.35 0.35 0.14 0.14 0.35 0.35 0.14 0.14
Stroke Length, Typical (in) 0.59 0.59 0.59 0.59 0.59 0.59 0.59 0.59 0.59 0.59 0.59 0.59
Stroke Length, Typical (mm) 15 15 15 15 15 15 15 15 15 15 15 15
Document Document Type Language File Type
20DAM-K Specification Page Specification Page
20DAM-K drawing 2D Drawing
20DAM-K 3D drawing 3D Drawing
About Stepper Linear Actuators (brochure) Brochure