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{"title":"EMERSON Control Techniques, Nidec Motor Corp MGM-340-CONS-0000 2HP 6.5AMP 230VAC","imgUrl":"https:\/\/img.ismap.com\/nimg\/43\/9c\/41533caad0ad02fcad13796baf0f-200x200-1\/emerson_control_techniques_2c_nidec_motor_corp_mgm_340_cons_0000_2hp_6_5amp_230vac_3000rpm_servo_motor_encoder.jpg","attrs":{"Brand Name":"Emerson","Model Number":"MGM-340-CONS-0000","Certification":"CE","Place of Origin":"U.S.A."}}
• Your ultimate destination to repair your Yaskawa Servo Motor
• 1 year in service warranty on your Yaskawa servo motor.
• Before releasing the Yaskawa motor back to you, our team of experts will do a specific analysis to make sure that it meets the factory standards.
• Trust only your Yaskawa Servo motor repair professionals to repair and service your Allen Bradley motor completely the first time.
• Be assured that only original parts will be used for the specific repair.
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Phases, Poles and Stepping Angles
Usually stepper motors have two phases, but three- and five-phase motors also exist.
A bipolar motor with two phases has one winding/phase and a unipolar motor has one winding, with a center tap per phase. Sometimes the unipolar stepper motor is referred to as a “fourphase motor”, even though it only has two phases.
Motors that have two separate windings per phase also exist—these can be driven in either bipolar or
unipolar mode.
A pole can be defined as one of the regions in a magnetized body where the magnetic flux density is concentrated.
Both the rotor and the stator of a step motor have poles.
Figure 2 contains a simplified picture of a two-phase stepper motor having 2 poles (or 1 pole pairs) for each phase on the stator, and 2 poles (one pole pair) on the rotor. In reality several more poles are added to both the rotor and stator structure in order toincrease the number of steps per revolution of the motor, or in other
words to provide a smaller basic (full step) stepping angle. The permanent magnet stepper motor contains an equal number of rotor and stator pole pairs. Typically the PM motor has 12 pole pairs. The stator has 12 pole pairs per phase. The hybrid type stepper motor has a rotor with teeth. The rotor is split into two parts, separated by a permanant magnet—making half of the teeth south poles and half north poles.The number of pole pairs is equal to the number of teeth on one of the rotor halves. The stator of a hybrid motor also has teeth to build up a higher number of equivalent poles (smaller pole pitch, number of equivalent poles = 360/teeth pitch) compared to the main poles, on which the winding coils are wound. Usually 4 main poles are used for 3.6 hybrids and 8 for 1.8- and 0.9-degree types
It is the relationship between the number of rotor poles and the equivalent stator poles, and the number the
number of phases that determines the full-step angle of a stepper motor. Step angle=360 ÷ (NPh × Ph)=360/N
NPh = Number of equivalent poles per
phase = number of rotor poles
Ph = Number of phases
N = Total number of poles for all phases together If the rotor and stator tooth pitch is unequal, a more-complicated relationship exists
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ... Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ...
