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{"title":"IN STOCK Mitsubishi Servo Motor HC-RFS103 \/ HC-RFS153 AC Industrial Motor 1kw","imgUrl":"https:\/\/img.ismap.com\/nimg\/18\/1d\/e184ed688f542eefbcccf4e83b7d-200x200-1\/in_stock_mitsubishi_servo_motor_hc_rfs103_2f_hc_rfs153_ac_industrial_motor_1kw.jpg","attrs":{"Brand Name":"Mitsubishi","Model Number":"HC-RFS103 \/ HC-RFS153","Certification":"CE","Place of Origin":"Japan"}}
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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."}}
There are two types of servo motors to consider. The first is the classical dc servo motor and the second is the ac servo motor often referred to as a brushless dc motor. The brushless dc motor is a three phase synchronous ac motor having a position transducer inside the motor to transmit motor shaft position to the drive amplifier for the purpose of controlling current commutation in the three phases of the motor windings.
Another factor affecting the mechanical time constant is the temperature. Most manufacturers specify the motor parameters at 25 o C (cold rating). This implies that the magnet and wires are both at room temperature. However, the motors used in industry will operate hotter which could reach a magnet temperature of 80 o C to 90 o C in a 40 o C ambient. The winding temperature is considerably more than that. Some means must be used to compensate for the motor parameters rated at 25 o C. For those manufacturers that offer the hot rating on motor specification parameters, they should be used to calculate the time constants. The parameters of motor resistance, torque constant, and voltage constant should be adjusted, if needed, for the hot rating. The motor resistance will increase; the torque constant and voltage constant will decrease. However, contrary to their implied name both time constants are not of constant value. Rather, they are both functions of the motor’s operating temperature.
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 ...
