Page 459 - NORTON cutting-off and grinding wheels - industrial

TECHNICALINFORMATION
459
TECHNICAL INFORMATION
DON’Ts
✘ DON’T Handle wheels roughly
✘ DON’T Use non-reinforced cutting-off wheels on portable machines
✘ DON’T Store wheels in a damp atmosphere or in extreme temperatures
✘ DON’T Mount a damaged wheel
✘ DON’T Tighten the mounting nut or locking flange excessively. To do so can distort the flanges
✘ DON’T Force a wheel onto a machine spindle
✘ DON’T Use mounting flanges which are incorrect, damaged, dirty or burred
✘ DON’T Use blotters with depressed centre wheels less than or equal to 406mm (EN 12413)
✘ DON’T Use a machine which is not in good mechanical condition
✘ DON’T Use a machine without a wheel guard
✘ DON’T Use wheels without proper ventilation or dust protection equipment
✘ DON’T Apply side pressure to cutting-off wheels. You should not bend the wheel
✘ DON’T Stop the wheel by applying pressure to the periphery or face. Always switch the machine off
& allow the wheel to stop revolving
✘ DON’T Allow the wheel to be trapped or pinched in the cut
✘ DON’T Apply excessive pressure onto the wheel so that the driving motor slows down
✘ DON’T Grind on the side of cutting-off wheels or depressed centre wheels below 4,0mm thickness
✘ DON’T
Drop or lower a portable machine by the cable or airline onto the floor. A wheel can be easily
cracked, if it is put down hard, by the weight of the machine. This is a common cause of
wheel breakage
✘ DON’T Grind with a depressed centre grinding wheel at an angle below 30 degrees to the workpiece
✘ DON’T Use a machine in a position where you do not have full control of the machine & you are not
well balanced