Operating specifications and precautions for Grinding Wheel replacement.
2025,07,10
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Preparation before replacement
1. Shutdown and power failure -Stop the equipment completely, turn off the power and lock it (LOTO safety procedure) -Wait for the grinding wheel to completely stop rotating (forced braking is prohibited) 2. Tools and protection preparation -Prepare special disassembly tools (matching wrench, lifting equipment, etc.) -Wear protective equipment: cut-resistant gloves, goggles and safety helmet.
3. Inspection of old grinding wheel -Record the worn state of the old grinding wheel (equipment problems need to be investigated for abnormal wear) -Check the spindle state (no damage, thread intact)
Required items after replacement
1. No-load test procedure -First operation: test at 25% working speed for 1 minute. -Step up to 50% and 75% for 2 minutes each. -100% running at full speed for 5 minutes.
2. Safety acceptance criteria -Vibration value: ≤2.5mm/s (using vibration detector) -Noise: ≤85dB (measured at a distance of 1m) -Flange temperature: temperature rise ≤15℃
Special precautions
Prohibited behavior -Use worn/expired grinding wheels -Unauthorized modification of grinding wheel aperture (reaming or stuffing is prohibited) -Mixing grinding wheels from different manufacturers
High-risk situation -Large-diameter grinding wheels (> ＞400mm) need to be replaced by two people. -After the wet grinding wheel is replaced, it needs to stand for 2 hours before the cooling liquid is introduced.
technical assistance In case of abnormal installation, please contact: [service phone]/[emergency mailbox] Safety warning: untrained personnel are prohibited from operating grinding wheel replacement!
