How To Layout The Ball Mill Driver?
Ball mill drive arrangement is reasonable or not, what has a great influence to the normal efficient work of mill, so in order to ensure the mill have higher work efficiency, need reasonable arrangement of the ball mill transmission device.
Our experts for you about mill drive arrangement including three aspects:
1) Set up the drive room
In order to create long-term safety gear operation conditions, should drive mechanism (including the motor and reducer) and grinding machine room is separated, set the transmission device room, to make the environment clean, transmission system of work safety, and can use open motor, at the same time for equipment maintenance and repair.
2) Edge of the transmission gear to the size of the reasonable layout
Angle to the layout of the pinion is the size of the gear center with the horizontal Angle. for the half dry friction conditions, the total force acting on the big gear is basically vertical, the total force acting on active pinion is straight down, to the drive bearing to downward pressure, reduce the pinion shaft base of anchor bolt supporting bearing load. The arrangement of the pinion Angle take 20 to 30 degrees, pinion location is slants down, reduced the horizontal cylinder grinding area. After meet the above conditions, should also strive to make the drive bearing and ground the foundation of main bearing surface on the same plane.
3) The structure of the big edge driving gear ring
Edge drive big tooth cast a big weight, it is usually made up by two half ring gear, so easy to tear open outfit. Ring gear teeth for even, two and a half ring gear accuracy. The installation of the big gear ring, using bolt to fix the tooth ring is widely accepted to a cylinder or end cover flange.
In order to meet the requirements of installation position and the thermal deformation, can take the following measures:
(1) The big gear ring between flange and the cylinder or end cover flange is seam allowance, can assure, in the big tooth left flange has gouges where whole pieces were missing. In order to eliminate thermal deformation stress;
(2) The cylinder or end cover flange diameter and big gear ring flange diameter radial clearance between the two, to allow the grinding head flange expansion. In order to make the big gear ring in strict accordance with barrel longitudinal center, in the installation to correct the deviation of the big gear ring cylindrical, then the reaming bolt positioning.
