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CHARACTERISTICS TECHNICAL DIAGRAMS PERFORMANCE CURVES

80000 SERIES 80mm PANCAKE STEPPER MOTOR

The 80000 Series stepper motor is designed for applications where accurate positioning, high torque and very thin packaging are desirable characteristics. This motor has a maximum diameter of 3.15" (80 mm) and is less than 1/2" (12.7 mm) thick. Typical two-phase can-stack motors have coils mounted alongside each other, requiring a certain minimum thickness.

This pancake motor features a patented design, in which one coil is mounted inside the other. The motor's permanent magnet rotor is a ring that is located in between the coils. Applications include business machines, computer peripherals and industrial equipment and automation. Accommodations can be made for configurations that require unipolar coils, special shafts and other mountings.

 
80000 SERIES 80mm PANCAKE STEPPER MOTOR
 
SALIENT CHARACTERISTICS - 80000 PANCAKE SERIES Ø 80mm (3.15") ROTARY STEPPER MOTOR
 

Ø 80mm (3.15") Pancake Stepper Motor

Part Number

80240-12

Wiring

Bipolar (Unipolar Optional)

Step Angle

3.75°

Operating Voltage

12 VDC

Current / Phase

.50 A

Resistance / Phase

24 Ω

Inductance / Phase

24 mH

Hold Torque
oz-in (Ncm)

20oz-in (14.12Ncm)

Power consumption

12 W

Rotor Inertia

120 gcm2

Weight

220 g (7.75 oz.)

Insulation resistance

20 MΩ

Temperature rise

90°F Rise (50°C Rise)

Bearings

Radial Ball

 
 
DIMENSIONAL DRAWING - Ø 80mm (3.15") ROTARY STEPPER MOTOR
 

 

 
PERFORMANCE CURVES - Ø 80mm (3.15") ROTARY STEPPER MOTOR - STEP RATE VS. TORQUE - L/R DRIVE BIPOLAR
 
 

NOTE: Ramping can increase the performance of a motor either by increasing the top speed or getting a heavier load accelerated up to speed faster. Also, deceleration can be used to stop the motor without overshoot.