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Motorization Specifications


 Motor Specification "A"

MDC reversible AC motors are an economical motorization solution for continuous motion applications. These motors are equipped with a load limiting clutch rated for 50 oz-in of torque to prevent instrument overload conditions. Motors come with three wire leads and a capacitor which must be wired by the customer to suit application circuit requirements. Motor direction reversal is accomplished by wiring reversal. Current applied to the blue and red leads produces a clockwise rotation while applying current to the blue and black leads produces counterclockwise rotation. 


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 Specifications Table
Connections
 Type Leads
 Number of wires 3
Input Voltage 115 VAC / 60 Hz
Power 7.50 W
Temperature Range -40°C to 65°C
Torque 
 With load limiting clutch 50 oz-in
 Motor 126 oz-in @ 10 rpm
Weight 3 Lb

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 Motor Specification "B"

MDC 90 volt direct current reversible motors are of the permanent magnet type featuring high efficiency, no field supply requirement, low heat and linear speed-torque characteristics. Two leads with integral connector provide easy mating with 90 volt motor controller. These motors are furnished with an integral gear unit with 180:1 gear reduction. The gearing is of the helical-spur design with helical gears in the primary stage for quiet operation and hardened spur gears in the secondary stages. Mounting dimensions conform to NEMA 2-11 standards.


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 Specifications Table
Connections 
 Type Connector
 Number of pins  2
Input Voltage 90 VDC
Power input 2.25 W
Temperature Range -20°C to 65°C
Torque 
 With load limiting clutch 50 oz-in
 Motor Geared @ 180 : 1 72 oz-in @ 10 rpm
Speed 0.7 to 10 rpm
Weight 6 Lb

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 Motor Specification "D"

Motor “D
Part Number: 011018

Single stack

Standard motors all wired the same.All Nema 23 mounting, with 4 pin Molex connector.

 Specifications Table
 Parameter Value
 Amps/Phase 0.62
 Ohms/Phase 12
Inductance (mH) 26
Holding Torque  80 N. cm (113 oz-in.)
Detent Torque 2.8 N. cm (3.96 oz-in)
Rotor Inertia  190 g.cm2 (2.64 oz-in.)
Motor Weight 520g (18.34 oz.)
 Motor Connector  Molex P/N 0430200401
Mating Connector Molex P/N 0430250400

General stepper motor info:

  • There are 200 steps per revolution on a stepper motor. 360° / 200 steps = 1.8° per step
  • These are 'full steps' and to increase the resolution we do what is called micro stepping. To get more accuracy each of the 200 steps per revolution can be divided by the motor controller circuit.
  • Half-stepping doubles the steps per revolution to 400 and the motor will rotate 0.9° per step. 360° / 400 = 0.9° per step
  • The controller can be configured for up to 256 microsteps. So that is 256 divisions between one of the motors 200 steps, or 51.200 steps per revolution.200 steps * 256 micro steps = 51,200 steps/rev. 360° / 51,200 = 0.007° per step.
  • The higher the micro stepping value the more resolution, but the motor will also rotate slower.


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     Motor Specification "E"

    Motor “E
    Part Number: 966791

    Double stack

    Standard motors all wired the same.All Nema 23 mounting, with 4 pin Molex connector.

     Specifications Table
     Parameter Value
     Amps/Phase 1.5
     Ohms/Phase 3.6
    Inductance (mH) 13.8
    Holding Torque  110 N. cm (155.8 oz-in.)
    Detent Torque 3.5 N. cm (4.96 oz-in)
    Rotor Inertia  280 g.cm2(3.88 oz-in.)
    Motor Weight 680g (1.5lb)
     Motor Connector  Molex P/N 0430200401
    Mating Connector Molex P/N 0430250400

    General stepper motor info:

  • There are 200 steps per revolution on a stepper motor. 360° / 200 steps = 1.8° per step.
  • These are 'full steps' and to increase the resolution we do what is called micro stepping. To get more accuracy each of the 200 steps per revolution can be divided by the motor controller circuit.
  • Half-stepping doubles the steps per revolution to 400 and the motor will rotate 0.9° per step. 360° / 400 = 0.9° per step./li>
  • The controller can be configured for up to 256 microsteps. So that is 256 divisions between one of the motors 200 steps, or 51.200 steps per revolution.200 steps * 256 micro steps = 51,200 steps/rev. 360° / 51,200 = 0.007° per step.
  • The higher the micro stepping value the more resolution, but the motor will also rotate slower.


    Click image to enlarge


    Click image to enlarge


    Click image to enlarge

     Motor Specification "F"

    Motor “F
    Part Number:  966792

    Triple stack

    Standard motors all wired the same.All Nema 23 mounting, with 4 pin Molex connector.

     Specifications Table
     Parameter Value
     Amps/Phase 1.5
     Ohms/Phase 3.9
    Inductance (mH) 14.1
    Holding Torque  180 N. cm (254 oz-in.)
    Detent Torque 6 N. cm ( 8.5oz-in)
    Rotor Inertia  440 g.cm2(6.11 oz-in.)
    Motor Weight 1050g ( 2.3lb)
     Motor Connector  Molex P/N 0430200401
    Mating Connector Molex P/N 0430250400

    General stepper motor info:

  • There are 200 steps per revolution on a stepper motor. 360° / 200 steps = 1.8° per step.
  • These are 'full steps' and to increase the resolution we do what is called micro stepping. To get more accuracy each of the 200 steps per revolution can be divided by the motor controller circuit.
  • Half-stepping doubles the steps per revolution to 400 and the motor will rotate 0.9° per step. 360° / 400 = 0.9° per step
  • The controller can be configured for up to 256 microsteps. So that is 256 divisions between one of the motors 200 steps, or 51.200 steps per revolution.200 steps * 256 micro steps = 51,200 steps/rev. 360° / 51,200 = 0.007° per step.
  • The higher the micro stepping value the more resolution, but the motor will also rotate slower

  • Click image to enlarge


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