TDMK(TM) series motor for mine mill

 PRODUCT INTRODUCTION:

TDMK(TM) three-phase synchronous motors for mining mills are specially designed for rolling mills. The starting mode is full pressure starting. If the grid capacity is insufficient, the voltage can be appropriately reduced to start. Manufactured in accordance with GB755 "Basic Technical Requirements for Rotating Electric Machines" and JB8/DQ3449 "Technical Conditions for TK Series Large Three-phase Synchronous Motors".

TDMK(TM) three-phase synchronous motors for mining mills are suitable for altitudes not exceeding 1000m and cooling medium temperature not exceeding 40 degrees. The rated voltage of this series of motors is 6000V, and 3000V and 10000V can also be provided according to user requirements. The deviation range of the allowable voltage is +5%, the rated power frequency is 50Hz, and the rated power factor is 0.9 (leading).

TDMK(TM) three-phase synchronous motor for mining mills has a cylindrical shaft end, and its rotation direction should be in accordance with the direction specified on the sign. The rotation direction is generally counterclockwise when viewed from the collector ring end, and can also be customized according to requirements. clockwise. When the motor and the mill are connected by a coupling, the motor shaft extension cannot bear the external radial force or axial force.

The excitation system of the three-phase synchronous motor used in TDMK(TM) mining mill adopts the thyristor excitation device. The electric motor allows full voltage direct starting. If the user grid does not allow full voltage to start directly, step-down starting can also be used. At this time, the starting current of the motor decreases proportionally to the terminal voltage, and the starting torque decreases proportionally to the square of the terminal voltage. Stator lead-out wire: There are six lead-out wires, U1, VI, W1, U2, V2, W2, respectively, using high-voltage rubber cables to lead out from the clamps at the bottom of the machine base, and can also be made into junction boxes for wiring as required.

The ventilation method of the three-phase synchronous motor used in TDMK(TM) mining mill is open type natural ventilation or can be made into a fully enclosed duct ventilation type.

Frame: It is welded by steel plates, and the lower part of the frame is the outlet end of the motor.

Stator: The stator core is made of 0.5 mm thick low-loss silicon steel sheet punched fan-shaped stack, the core segments are separated by air ducts, the winding adopts formed double-stacked short-distance coils, and adopts B-level insulation or F-level insulation. The temperature rise is assessed according to Class B to prolong the service life: the end of the winding is reliably fixed and bound, and it is treated with a vacuum pressure infiltration solvent-free paint process. Withstand voltage test, the motor has excellent and reliable insulation performance, good mechanical strength, and strong moisture-proof ability.

Rotor: The magnetic poles are made of steel plates, and are installed on the rotor yoke together with the magnetic pole coils. The magnetic pole coils are B-level or F-level insulation. When the user uses a pneumatic clutch, the design of the shaft or the form of the shaft can be punched according to the user's requirements. .

TDMK series motors are mainly suitable for driving large-scale AC three-phase synchronous motors for mining mills, mainly for driving grid-type ball mills, rod mills, coal mills, etc.