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Mining Motors for Conveyors

Mining Motors for Conveyors

Product catalog summary

Application
The dSKgwp series motors are designed for driving mining machines, particularly belt and push-plate conveyors, in harsh underground conditions with methane and coal dust explosion risks.

Technical Description
These are three-phase squirrel cage induction motors with a flanged design for horizontal operation. They are explosion-proof with a flameproof cover, meeting various standards for electrical devices and mining machines.

Design
The motors have a totally enclosed construction with an IP55 protection degree. They feature a water-cooled frame and end shields, copper wire windings with class H insulation, and a rotor with brass and copper bars.

Bearings
FAG or SKF roller bearings with LGHP2 grease are used, capable of operating at temperatures up to 150ºC. Specific bearing types are listed for different motor models.

Thermal Protection
Motors include thermal protection for stator windings and bearings using bimetal thermal switches and thermoresistors. Additional PTC thermistors are used in low voltage motors.

Technical Parameters
The document provides detailed specifications for single and two-speed motors, including rated power, speed, torque, power factor, efficiency, and more.

Operation Conditions
Motors are suitable for areas with methane and coal dust explosion risks, with specific atmospheric pressure, temperature, humidity, and dustiness conditions outlined.

Motor Delivery
Motors are delivered with grease in bearings, no water in the cooling system, cable inlets, an instruction manual, and a declaration of conformity.

Dimensional Drawings
Dimensional drawings for various motor types are provided, detailing the physical dimensions and configurations.

Catalog excerpts

Three phase induction motors series dSKgwp for driving of mining machines 2010 -05- Catalogue no. 11b

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Three phase induction motors for driving of mining machines 1/10 APPLICATION dSKgwp series motors are used for driving mining machines and devices especially belt and push-plate conveyors in extremely tough conditions in underground headings with class “a”, “b”, “c” of methane explosion danger and class “A” and “B” of coal dust explosion danger. TECHNCIAL DESCRIPTION dSKgwp series motors are three phase squirrel cage induction motors in flanged execution for horizontal operation – mechanical execution IM3001 (B5) and IM4001 (B10). Motors are executed as explosion proof with flameproof cover “d”...

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Three phase induction motors for driving of mining machines 2/10 THERMAL PROTECTION Motors are equipped with stator and bearings’ thermal protection: Following sensors are used for winding’s primary thermal protection: a) Bimetal thermal switches 145°C – 3 pcs. connected in line (+ 3 pcs. spare) *) b) Thermoresistors Pt100 – 1 pc. (+ 1 pc. spare) *) Following sensors are used for bearings’ thermal protection: a) Bimetal thermal switches 110°C – 1 pc./bearing (+ 1 pc. spare) b) Thermoresistors Pt100 – 1 pc./bearing (+ 1 pc. spare) In low voltage motors (1000V; 1140V) PTC thermistors are used additionally:...

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Three phase induction motors for driving of mining machines 4/10 OPERATION CONDITIONS Operation in areas endangered with methane and coal dust explosion – as group I category M2 device. Atmospheric pressure 800÷1070 hPa Ambient temperature 0÷40 ºC Relative humidity at 35ºC 97¸100 % dustiness 1000 mg/m3 Corrosive aggression class C – acc. to PN-71/H-04651 Working voltage UN ±5% Allowable inclination of shaft from horizontal position 30º Parameters of cooling water (on inlet): max. temp. 30 ºC · max. stat. pressure 3 MPa · flow 12 dm3/min (15 dm3/min for dSKgwp500) MOTOR’S DELIVERY Motors are delivered...

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Three phase induction motors for driving of mining machines 6/10 DIMENSIONAL DRAWING FOR TWO SPEED MOTORS Typ silnika P kW Forma wykonani a A B C Wa³ silnika H Ko³nierz AB BB L Dm6 E F GA øM ØN js6 øP dSKgwp315M12/4 45/132 IM 3001 - - - 80 170 22 85 - 600 550 660 - - 1422 dSLgwp315M12/4 IM 2001 508 406 216 315 629 627 dSKgwp315L12/4 55/160 IM 3001 - - - 80 170 22 85 - 600 550 660 - - 1345 dSLgwp315L12/4 IM 2001 508 406 216 315 629 627 AB A C B BB E L 25 6 N js6 P D m6 GA F h9

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Three phase induction motors for driving of mining machines 7/10 DIMENSIONAL DRAWING FOR dSKGwp 500 Y4

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Three phase induction motors for driving of mining machines 8/10 DIMENSIONAL DRAWING FOR MOTOR TYPE dSKgwp 355M12/4

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Three phase induction motors for driving of mining machines 9/10 DIMENSIONAL DRAWING FOR MOTORS TYPE dSKgwp 355L12/4 i dSKgwp 355H 12/4

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Three phase induction motors for driving of mining machines 10/10 DIMENSIONAL DRAWING FOR MOTORS TYPE dSKgwp500X8/4; dSKgwp500X8/4V; dSKgwp500X12/4V

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Three phase induction motors for driving of mining machines 11/10 Zak³ad Maszyn Elektrycznych EMIT S.A. Ul. Narutowicza 72 99-320 ¯ychlin Poland Tel. +48 24 2851 014 Fax +48 24 2852 005 e-mail: [email protected] www.emit-motor.com.pl

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Mining Motors for Conveyors

Mining Motors for Conveyors

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