Mill Duty Induction Motors by Jakson & Company

Frame Designation

• Frame sizes for horizontal foot mounted execution

• Designated as TR" and "KCW

• Available in a capacity starting from 250Hp to 1500Hp in 6/8/10 pole designs

Dimensions

• Mounting and shaft extension dimensions for horizontal foot mounted motors

Supply and Site Condition

• 415V, 50 Hz, 3PHASE

• Variations in supply voltage and frequencies are as per IS325

• Standard motors are suitable for operation at an ambles temperature of 45 °C

• Altitude up to 1000m

• Motors for operation at other voltages

• Higher ambient temperatures can also be offers on request

Construction

• Screen protected drip proof conforms to the degree of protection IP23 and the method of cooling IC01

Stator Body

• Fabricated steel

• Robust and shock resistant

• Suit arduous applications like Re-rolling mills, can cutters

Magnetic Core

• Low loss

• High permeability

• Varnish insulated

• Electrical grade stamping steel sheet

• Stampings are hydraulically pressed

• Clamped to form a rigid structure

Windings

• Stators and wound rotors are generally wound with copper strip conductors with class 'P insulation

• Stator windings are brazed and wound rotor overhangs are banded with resignal to withstand momentary overloads and periodic peak loads

Shaft/Bearings

• Made from high carbon steel of adequate cross-section

• provide exceptional strength and rigidity to minimize deflection and vibration

• Grease lubricated roller bearings are housed in end shields

• Bearings have 90% survival life of minimum 60,000 working hours when directly couple