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tube mill manufacturer online
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tube mill manufacturer online
The lattice type ball mill has a grid discharge plate at the discharge end of the cylinder body, and a return spiral blade is arranged on the inner surface of the hollow shaft, and the small steel ball and the broken ore piece overflowing with the slurry can be returned to the mill.
Generally, a ball mill with a cylinder diameter of 900-2100mm or a motor with a power of less than 400 kW is driven by a Y series and a JR asynchronous motor with a high starting torque, and is connected by a primary speed reducer and a coupling.
For large-size ball mills or motor powers greater than 400 kW, a special TDMK low-speed synchronous motor is used, which is connected with the pinion through a pneumatic clutch to realize single-stage reduction transmission and drive the cylinder to rotate.
The pneumatic clutch is used to make the joint smooth, no need to adjust the wear gap, the transmission torque is large, the clutch is quick, easy to control and remote control, the motor-host section pneumatic can be realized, the starting power can be reduced, the starting condition can be improved, and the overload protection effect can be achieved. The grid type ball mill drive bearing adopts double row centripetal spherical rod bearing, and the peripheral gear adopts large modulus alloy cast steel helical gear, so the transmission is stable, the noise is small, and the service life is long.
The large gear uses a dry oil atomizer to periodically spray a certain amount of grease onto the gear working surface to achieve lubrication.
The main bearing of the mill with a diameter of 900-2100mm adopts a spherical bearing. When the diameter of the cylinder is 2100mm or more, the fully enclosed self-aligning rocker type bearing or dynamic and static bearing is used, that is, the high pressure of the grinding machine before starting. The turning portion is lifted up and held for several minutes, and the high pressure is stopped. After the mill is started, the dynamic pressure lubrication is formed to form a dynamic pressure oil film, so that the starting current is greatly reduced, and the installed power can be correspondingly reduced. The main bearing uses a piston ring seal to achieve a good seal with axial strips and grease.
The lattice ball mill is equipped with a slow transmission, which allows the cylinder to achieve a speed of 0.1 r/min for turning, repairing or loosening the load. The hydraulic jack device is used for jacking up the turning part during maintenance, which can save expensive large bridge cranes.we are tube mill manufacturer,you can know it.
As always, we insist on customer first, quality assurance, and honesty. The letter-based business philosophy is the right choice for enterprise development.
In the future development path, our company will continue to adhere to the quality of technology as the core competitiveness, based on excellent products and sincere service, has fully satisfied the needs of customers as their responsibility, and make the enterprise bigger and stronger.

Pub Time : 2019-07-08 16:12:18 >> News list
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HEBEI TUBO MACHINERY CO., LTD.

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