Analysis on Stone Block Cutter Failure and Ways to Recover It

Stone block cutter is an equipment that has been widely used in stone processing industry. Most stone processing plants have ever experienced some problems with their stone block cutters. For example, unstable performance, machine body shakes when it go up and down, segments consumption too fast, slab surface cut by the machine is not flat, working efficiency is too low, etc. So we can see it that a reasonable and effective maintenance to the machine is helpful for improving production efficiency and product quality.

When the machine turns out to be unstable performance, vibrating or fail to up and down, we can make an analysis from the following 3 aspects.

1) Problems may occur to the stone saw machine.
Fixing bolts get loose in the machine body, speed reducer is out of lubricating oil, gears worn out and bearings break out, spindle radial run out due to too big or too small space between bearings, flange for fixing blade on the spindle is deformed, no enough lubricating oil in the guide rails for machine movement or the lubricating oil is too thin or too thick, rolling wheels press too hard on the rails, cycloidal pin gear speed reducer is broken.

2) Problem may occur to the blade
Too big radial run out in new saw blade, blade central hole and the spindle is not concentric circles, diamond segment is not sharp enough or not suitable for the stone it is cutting, the blade has been welded segments for recycle usage too many times.

3) Problem may occur to the operation
The block trolley is not firmly locked, blade horizontal forwarding speed is too fast, blade vertical feeding depth is too much.

Ways to solve the problems mentioned above.

Pay more attention to the granite saw machine spindle box. Check to find out if the spindle radial run out is beyond acceptable range. If the spindle radial run out is out of acceptable range, adjust bearing pressing bolts to recover it.

Check to find out if the bearings, gears, blade spindle and bearing spindles are in good condition. Evaluating their wearing extent to make decision whether to replace or repair them.

Check to find out why the speed reducer box is out of lubricating oil. If it is caused by the failure of sealing ring, replace it by a new one.

Check to find out if the fixing bolts on the machine body are tight or loose. If getting loose, tight them again.

Check to find out if the machine has enough lubricating oil in the guide rails, if not, add more oil for it.