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Es 71

Es 71
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Es 71

Product catalog summary
Specifications:
The document outlines specifications for various gear and motor combinations, including worm gear GS 3, spur gear Z 8, and planetary gear PM 60. It also mentions optional components like rotary encoders and brakes.

Motor Types and Properties:
The document describes single-phase asynchronous motors, specifically the Es 71 2-pole and Es 71 4-pole types. Key properties include a connection to a 230 V / 50 Hz AC system, with optional designs for 110 V / 60 Hz or other voltages/frequencies. A running capacitor is required, and the motors have a service life of 20,000 hours under S1 duty. The insulation material class is B, with an optional F class, and the system of protection is IP 00 (open design). Special models are available for short-time duty with high performance, featuring an alloy rotor for higher starting torque.

Performance Specifications:
For the Es 71 2-pole motor, nominal power ranges from 31 to 94 W, with a nominal speed of 2700 rpm and nominal torque from 11 to 33.5 Ncm. Starting torque ranges from 11 to 19 Ncm, and nominal efficiency ranges from 43% to 55.5%.
For the Es 71 4-pole motor, nominal power is 22 to 43 W, with a nominal speed of 1300 rpm and nominal torque from 16.5 to 32 Ncm. Starting torque ranges from 13.5 to 26.5 Ncm, and nominal efficiency is 35%.

Gear Combinations:
The document provides detailed gear ratios and corresponding performance metrics for planetary, spur, and worm gears. For example, the planetary gear PM 60 offers ratios from i=3.7 to i=169, with varying rpm and Nm outputs. Similarly, spur gear Z 8 and worm gear GS 3 have specified ratios and performance outputs.

Dimensions and Mechanical Limits:
Dimensions for different motor types are provided, such as Es 7120-2 with a length of 80 mm, Es 7140-2 with 100 mm, and Es 7160-2 with 120 mm. The maximum axial force is 20 N, and the maximum radial force is 200 N for the 2-pole motors, while the 4-pole motors have a maximum radial force of 220 N.

Additional Information:
The document mentions that all torques are calculated with a duty factor of 1, and additional gear combinations and reductions are available upon request. The last modification date of the document is April 2013.
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Catalog excerpts

Es 71-1

Single-phase asynchronous motor Properties: Service life: Insulation mat.class: System of protection: Special model: Options: 230 V /50 Hz AC system , optional designs for 110 V / 60 Hz or other voltages / frequencies Running capacitor required Cable connection, optional plug-in connector 20,000 hours, S1 duty B, optional F IP 00 (open design) Design for short-time duty with high performance Alloy rotor for higher starting torque Thermal protection, special shafts, custom designed Terminal resistance Input power Running capacitor Weight Moment of inertia Adm. ambient temperature Max. adm. stator temperature Shaft diameter Max. axial force Max. radial force Name Nominal voltages Nominal power Nominal speed Nominal torque Starting torque Nominal current No-load current P2 Nnom Tnom TA Inom I0 Characteristics Locked rotor speed Locked rotor torque Nominal efficiency Connection from motor System technology (tables next page) Worm gear Spur gear Planetary gear Rotary encoder Brake Recommended combinations upon request upon request Last modified: 04/201

 Open the catalog to page 1
Es 71-2

Gear unit combinations • All torques are calculated with an duty factor of 1! Additional recommended combinations upon request Name Nominal voltage / AC voltage from motor Additional reductions upon request. n rpm Spur gear 2-4 stage Additional reductions upon request. n rpm * Max. load at the gear output (Motor power must be limited if necessary) n M n M rpm Nm rpm Nm PM/P 60 Planetary gear 1-3 stage from motor Additional reductions upon request. * Max. load at the gear output (Motor power must be limited if necessary) AC-19

 Open the catalog to page 2
Es 71-3

Single-phase asynchronous motor Properties: Service life: Insulation mat. class: System of protection: Special model: Options: 230 V /50 Hz AC system , optional designs for 110 V / 60 Hz or other voltages / frequencies Running capacitor required Cable connection, optional plug-in connector 20,000 hours, S1 duty B, optional F IP 00 (open design) Design for short-time duty with high performance Alloy rotor for higher starting torque Thermal protection, special shafts, custom designed Terminal resistance Input power Running capacitor Weight Moment of inertia Adm. ambient temperature Max. adm. stator...

 Open the catalog to page 3
Es 71-4

Gear unit combinations • All torques are calculated with an duty factor of 1! Additional recommended combinations upon request Name Nominal voltage / AC voltage from motor Additional reductions upon request. n rpm Additional reductions upon request. M Nm Planetary gear 1-3 stage from motor Additional reductions upon request.

 Open the catalog to page 4

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