Remove the interference fit of the outer ring by setting several screws on the circumference of the outer ring to compress the screw.Tighten the screw evenly on one side and disassemble it at the same time.These screw holes are usually covered with blind plugs,tapered roller bearings,and other separated bearings.Several notches are set on the shoulder of the housing cover,and pads are used to disassemble them with a press or lightly tapped for disassembly.
The disassembly of the inner ring can be easily done by pulling it out with a press.At this point,it is important to ensure that the inner ring bears its pulling force.Furthermore,the pull-out fixtures shown are mostly used,and regardless of the type of fixture,it must be firmly clamped on the side of the inner ring.For this,it is necessary to consider the size of the shaft shoulder or study machining grooves at the shoulder for the use of drawing fixtures.
The inner ring of large bearings is disassembled using hydraulic pressure method.Apply oil pressure to the oil hole of the bearing to make it easy to pull.For bearings with larger widths,hydraulic pressure method is used in conjunction with drawing fixtures for disassembly operations.
The inner ring of cylindrical roller bearings can be disassembled using induction heating method.The method of heating the local area in a short period of time to expand the inner ring and then pulling it out.In situations where a large number of such bearing inner rings need to be installed,induction heating method is also used.