
	Motors That Survive
	5830 Commerce Blvd Rohnert Park, CA 94928		Phone: 707-584-2801 Fax: 707-584-3418

Glossary of Terms

Click the first letter of the word you want to look up.

A	B	C	D	E
F-G	H	I	J-K-L	M-N-O
P-Q	R	S	T	U-V-W
X-Y-Z

A

Absolute

AC induction motor

AC synchronous motor

Acceleration

Accuracy

Ambient temperature

Amplifier

Armature

B

Back emf

Bifilar winding

Bipolar chopper drive

Brush

Brushed DC motor

Brushless servomotor

C

Case temperature rating

Class B insulation

Class H insulation

Class 220 insulation

Cleanroom classification

Closed-loop

Cogging torque

Commutation

Commutator

Connector

Continuous stall current

Continuous stall torque

Controller

C.O.P.

Coupler

Critically damped

Cryogenic

Current at peak torque

Current sink

Current source

D

Damping

Damping ratio

Deceleration

Decibel

Demag current

Detent torque

Drive

Duty cycle

Dynamic

Dynamic braking

E

EMI

Encoder

End play

Excitation

Explosion proof

Extended temperature

F- G

Feedback

Feedthru

Friction

Gear ratio

Gearhead

Gearhead efficiency

H

Hall sensors

Hazardous duty

Holding torque

Horsepower

Hybrid step motor

Hysterisis

I

Idle current reduction

Incremental

Indexer

Inductance

Inertia

Inertia match

IP

J-K-L

Lamination

Linear actuator

M-N-O

Magnetic stack

Microstepping

Motor efficiency

MTBF

NEC

NEMA

NFPA

NFPA 496

Oil-filled

Open-loop

Opto-isolated

Outgassing

P-Q

Parallel

Peak torque

Permanent magnet motor

Phase

Phase angle

PMDC motor

Power

Pressure compensator

Pulse rate

Pulse Width Modulated (PWM) drive

Purged and Pressurized

R

Radiation hardened

Rated current

Rated torque

Reflected load inertia

Regeneration

Related products

Repeatability

Resolution

Resolver

Resolver-to-digital converter

Resonance

RMS

Rotor

S

Series

Servomotor

Settling time

Single step response time

Slew

Speed

Stall torque

Static torque

Stator

Step angle

Step motor

Stress-relieved

Stiffness

T

T.A.D.

TEFC

TENV

Thermal current

Thermal cycling

Thermal resistance

Torque

Torque constant

Torque to inertia ratio

Torr

Transducer

TTL

Tuning

Type C Face

U-V-W

Unipolar drive

Vacuum

Variable reluctance motor

Velocity

Voltage constant

Winding

X-Y-Z

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