How to dismantle the sand making machine correctly

How to dismantle the sand making machine correctly

Sand making machine Sand in the process of using the failure of the need for maintenance, the need to disassemble and repair, SBM remind you to pay attention to the following points in the process of dismantling the sand:

  • 1, according to the model of Sand making machine to understand its structural features and assembly relationship, and then determine the method of disassembly, steps.
  • 2, the correct selection of tools and equipment, especially for some sand-making equipment-specific tools, can not be fiercely knocked on.
  • 3, in the demolition of the provisions of the direction, mark the parts or assemblies, should be clear direction and mark, if lost mark should be re-marked.
  • 4, remove the bolts, nuts, etc. in the case does not affect the repair should be reinstated in situ, so as to avoid loss and easy assembly; Precise and important parts dedicated storage.
  • 5, demolition on demand, the need to dismantle the sand making machine parts must be demolished, do not disassemble the sand equipment parts to determine its good condition can not be demolished.

How to properly disassemble sand making machine

Sand making new machines, sand and other river pebble Sand making machine in the production process by artificial, natural environment and other factors, there will inevitably be some failure. In the event of a malfunction, it is necessary to disassemble and maintain it. What should be noticed when disassembling the sand making machine? How to dismantle the sand making machine? The following SBM heavy industry to explain in detail:

  • (1) Remove the external wiring of the motor first, and make a mark, for example, for asynchronous motor, make the mark corresponding to the three-phase power cord; for the DC motor, make the winding and armature winding External wiring corresponding to the mark. Then loosen the foot screw, the motor and transmission machinery separate.
  • sand making machine
  • (2) To dismantle the pulley or coupling on the motor shaft with a tool, sometimes it is necessary to add some kerosene first in the gap between the motor shaft of the pulley so as to make it penetrate and lubricate for easy disassembly. Some shafts and wheels with tight, but also the need for rapid heating of the wheel (while wrapped with a wet cloth shaft), in order to remove the wheel.
  • (3) For a motor with a roller bearing, remove the bearing cover first, and then loosen the captive screws of the end cap and mark the seam between the cap and the housing Mark should not be the same), the screws will be removed to tighten the end cap screwed into the motor cover specially set two screw holes, the end caps. Without this type of screw motor, you can only use the prickly heat (also known as flat shovel) and hammer hit the cover and the base of the seams, the cover removed from the base. If the end cap is heavy, lift the end cap with a lifting device and remove it gradually.
  • (4) When disassembling the motor with the brush, remove the brush from the brush holder. Mark the position of the brush neutral to the DC motor.
  • (5) take out the rotor, we must be careful not to bump the stator coil, the rotor weight is not large, you can hand out; weight should be hoisted using lifting equipment. First set the two ends of the rotor shaft lifting rope used lifting equipment hoisting the rotor, slowly removed, pay attention to prevent damage to the coil.

And then put a tube at one end of the shaft, in order not to scratch the pipe journal, steel tube lining a layer of cardboard continue to gradually remove the rotor until the center of gravity of the rotor has been moved to the stator shaft end Under a bracket, the wire rope set in the middle of the rotor, the rotor can be fully extracted.

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