Instructions for labor protection when working on grinding and peeling machines

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OCCUPATIONAL SAFETY AND HEALTH
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Instructions on labor protection when working on tool-grinding and peeling machines. Full Document

Occupational Safety and Health

Occupational Safety and Health / Standard instructions for labor protection

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Safe Operation

1. General safety requirements

1.1. Machine operators (turner, driller, miller, sharpener, grinder), locksmiths of all specialties with professional training and knowledge of the requirements of this instruction are allowed to perform work on grinding and peeling machines.

1.2. Before being allowed to work on the machine, the worker must familiarize himself with and comply with the requirements of the instructions for the technical operation of the grinding or abrasive machine.

1.3. Dangerous and harmful production factors:

the absence of stone fences and the presence of assistants;
breaks and chips of stones;
abrasive dust;
electricity.

1.4. It is forbidden to use, as well as be at the workplace, the territory of the organization or during working hours in a state of alcoholic, narcotic or toxic intoxication. Smoking is allowed only in designated areas.

1.5. For non-compliance with the requirements of this instruction, the employee is liable in accordance with applicable law.

2. Safety requirements before starting work

2.1. Tidy up work clothes, fasten the buttons on the cuffs of the sleeves or pull them off with an elastic band.

2.2. Check the serviceability of the machine, fixtures and tools, laying them out in a convenient order for work.

2.3. Check the presence, serviceability and strength of the fastening of the protective cover, shaft guards, pulleys and other rotating parts of the plant.

2.4. Check the serviceability of the lubrication system rate.

2.5. Adjust local lighting so that the work area is sufficiently illuminated and the light does not blind the eyes. Wipe the fittings and light bulb.

2.6. Check the absence of cracks and dents on the abrasive wheel.

2.7. Check the serviceability of starting, stopping and reversing devices, latches and machine control handles to make sure that the machine is turned off reliably and that it cannot be turned on spontaneously.

2.8. Check the strength of the attachment and the correct position of the handbrake. The gap between the handpiece and the abrasive wheel must be less than half the thickness of the part being sharpened (attacked), but not more than 3 mm, and the handpiece plane must be on a horizontal plane passing through the center of the circle or slightly higher (10 mm).

2.9. Check the correct installation of the protective transparent screen, install it in a position convenient for work, and in the absence of it, be sure to wear glasses.

2.10. Check the integrity of the ground wire.

3. Safety requirements when performing work

3.1. Before switching on the machine, make sure that its start-up does not create a danger.

3.2. Before starting work, the wheel mounted on the machine must be subjected to short-term idle rotation at working speed for:

circles with a diameter of up to 400 mm - at least 2 minutes;
circles with a diameter of over 400 mm - at least 5 minutes.

3.3. Feed the workpiece to the abrasive wheel smoothly, without jerks and sharp pressure.

3.4. Protect the circle from bumps and shocks. When processing parts, it is forbidden to use levers to increase the pressure on the circle.

3.5. Do not touch the grinding wheel with your hands until it comes to a complete stop.

3.6. It is forbidden to use the side (end) surfaces of the circle if the circle is not intended for this type of work.

3.7. Do not pass or receive any objects through the machine during operation.

3.8. Remove abrasive and metal dust from the machine and the workplace only with a sweeping brush or scraper.

3.9. Be sure to stop the machine and turn off the engine in the following cases:

when away from the machine even for a short time;
during a power outage;
when cleaning, lubricating, cleaning the machine;
if any malfunction of the equipment and the electric motor is detected;
if a strong beating of the circle is felt during start-up or during sharpening.

3.10. The tool must be installed on the grinder by a specially trained worker or adjuster. It is not allowed to use circles without a test mark. Before installation on the machine, the wheel must be carefully inspected and checked for cracks.

4. Safety requirements in emergency situations

4.1. If there is a beating and vibration of the abrasive wheel, cracks and potholes are detected, the fastening of the handbrake and guards is loosened, the drive belts are slipping, work on the machine is prohibited.

4.2. It is forbidden to work on the machine if there is a malfunction of the local dust extraction apparatus, local lighting and a faulty blocking device for transparent screens.

4.3. The worker must immediately inform the foreman or other person responsible for the safe operation of the machine about all detected malfunctions.

5. Safety requirements at the end of work

5.1. Switch off machine and motor.

5.2. Thoroughly clean the machine and work area.

5.3. Warn the shifter and foreman of all malfunctions noticed in the course of work.

5.4. Wash hands and face with warm soapy water.

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