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Where is the best place to stand when using a grinder?

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Where is the best place to stand when using a grinder?

When using a grinding wheel machine, the operator must wear a safety helmet, protective goggles, and gloves, and should not face the grinding wheel directly but stand to the side. When using a grinding wheel machine, gloves are not allowed, and it is strictly prohibited to wrap the tool with cotton yarn or similar materials for grinding.

Preparations Before Using a Grinding Wheel Machine

△ Designated Personnel and Regular Inspections
The grinding wheel machine must be managed by designated personnel and undergo regular performance checks to ensure stable and continuous operation.

△ Pre-Start Inspection
Before starting the grinding wheel machine, carefully inspect the integrity of the grinding wheel (no cracks, fractures, or damage). Ensure the grinding wheel shaft is securely installed, there are no obstructions between the machine and the protective cover, and all safety regulations are met.

02 Operational Precautions

△ Protective Measures
Operators must wear protective goggles during operation to shield their eyes from flying debris.

△ Prohibited Materials and Operational Standards
The grinding wheel machine must not be used to grind aluminum, copper, tin, lead, or non-metallic materials. After starting the machine, allow it to run idle for 2–3 minutes until the grinding wheel reaches a stable speed before beginning grinding.

03 Safety Guidelines During Grinding

△ Starting and Grinding
When using the grinding wheel machine, grinding should only begin after the wheel reaches a stable speed. Operators must ensure their bodies are always positioned away from the wheel’s rotation direction.

△ Grinding Wheel Usage Rules
When grinding tools or other objects, control the pressure to avoid excessive impact on the wheel. It is strictly prohibited for two people to use the same wheel simultaneously, and grinding on the side of the wheel should be avoided. Operators must stand to the side of the wheel to prevent injuries from potential wheel breakage. For safety, the wheel must remain dry, as water can affect its balance. Severely worn or thin wheels must be replaced promptly. After use, immediately turn off the power to prevent unnecessary wear or accidents from idle operation.

Grinding Wheel Machine Selection and Protection

Ensuring proper selection and protective measures for the grinding wheel machine is a critical prerequisite for operational safety.

△ Protective Covers and Non-Compliant Products
Ensure the grinding wheel machine is equipped with a protective cover and avoid using non-compliant or uncertified products.

△ Matching Wheel Size
Confirm that the grinding wheel size matches the machine. Using mismatched wheels is strictly prohibited.

△ Wheel Integrity
Ensure the grinding wheel is free from damage or cracks.

Personal Protection and Safe Operation

Proper personal protection and adherence to safe operating procedures are essential during use.

△ Basic Protective Measures
Wear protective goggles and a safety helmet during operation.

△ Cutting Posture
During cutting, personnel must stay away from the tangential direction of the wheel and stand on the right side of the grinder’s protective cover to avoid direct exposure to the cutting surface.

△ Grinding Direction and Pressure Control
Ensure the grinding direction is safe and avoid excessive force. When using a handheld grinder, apply pressure slowly and evenly to prevent wheel breakage.

△ Startup and Operation Monitoring
After starting the grinder, allow it to run idle first. Check for smooth operation and unusual noises. Adjust the direction carefully during operation to ensure safety.

△ Cutting Direction and Power Operation
Do not alter the cutting direction. If the cutting path deviates, do not force a correction while the grinder is running. Instead, lift the grinder and restart along the correct path. Before starting, connect the power first, then turn on the grinder switch.

△ Wheel Replacement
When replacing the wheel, ensure the grinder is switched off and unplugged. Use specialized tools for replacement to prevent accidental activation. It is recommended to keep a wrench fixed to the socket for easy power disconnection.

Final Reminder

Always prioritize safety risks during grinding operations. Before using a grinding wheel machine, fully understand and implement measures to eliminate, reduce, and prevent risks from causing harm. By strictly following all regulations and safety procedures, ensuring optimal conditions for personnel, equipment, and the environment, the incidence of grinding wheel accidents can be significantly reduced. If anyone is observed violating safety protocols, provide immediate safety education or guidance, and ensure all personnel within a 3-meter radius are equipped with appropriate protective gear.

Grinding Wheel Machine Safety Operation Procedures

  1. Clothing Requirements
  • Wear tight-fitting protective clothing with sleeves fastened and no open hems.
  • Gloves are prohibited.
  • Do not change clothes near a running machine or wrap cloth around yourself to avoid entanglement.
  • Long hair must be secured under a safety helmet; skirts and slippers are not allowed.
  • Wear protective goggles to prevent eye injuries from flying debris.
  1. Machine and Wheel Installation
  • The machine base must be stable with no vibrations during operation.
  • The grinding wheel’s tightening thread must oppose its rotation direction, with a locking mechanism. Fine-thread screws are preferred.
  • Perform balance tests during installation. The wheel must run smoothly and maintain a circular shape.
  • Use iron clamps (at least half the wheel’s diameter) on both sides, with soft padding between the clamps and wheel.
  • Add thick paper or insulation between the shaft and wheel for even pressure distribution.
  1. Pre-Use Checks
  • Inspect the wheel for defects or cracks and ensure protective and dust extraction devices are secure.
  • Stand to the side when starting; let the wheel run idle for several minutes to confirm normal operation before use.
  1. Wheel Replacement
  • Only designated personnel should replace wheels. Do not use hammers.
  • Tighten screws evenly and test the machine after replacement before resuming work.
  1. Speed Limits
  • Do not exceed the wheel’s specified maximum safe speed.
  1. Workpiece Handling
  • Hold workpieces firmly with even pressure; avoid sudden impacts or excessive force.
  • Do not grind heavy objects to prevent wheel breakage.
  • Use clamps for small workpieces to avoid hand injuries.
  • Only one person may use a wheel at a time.
  1. Prohibited Materials
  • Do not grind hard alloys on green silicon carbide or aluminum oxide wheels.
  • Grinding copper, lead, wood, or plastic is prohibited.
  • For iron workpieces, frequently cool them with water.
  1. Cleanup
  • Do not store items near the machine.
  • Turn off the power after use and clean the work area.

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