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2. In strict accordance with the inspection system for equipment inspection, and make appropriate records; in the grinder before the work should be according to the provisions of the use of fuel, add water, check the oil standard, water standard, oil, water is normal. Whether the oil circuit and the circuit are unblocked; keep the lubricating system clean, and the fuel tank and water tank must not be open;
3. Check whether each handle is in the specified position, whether the operation is flexible, and whether the safety protection device is intact and complete. Whether the connection parts are tight and the brake is complete and flexible;
4. Before placing the workpiece, open the wheel cover and turn the wheel by hand to check the tightness, integrity and balance of the wheel. Different materials should be used for different materials. If the stoppage is more than 8 hours, it should be run for 3-5 minutes to make the system run normally before use;
5. The operator should be familiar with the general performance and structure of the grinding machine, the transmission system, and the use of super performance is strictly prohibited.
Second, the operation 1. Open the main power switch to open the magnetic switch, press the oil pump and wheel start button, empty car operation, confirm that the normal operation of all components can be formal operation;
2. Before the table moves. Ensure that the installed workpiece is neat and reliable. It is forbidden to correct the grinding wheel or slamming on the machine table. The console surface is forbidden to put anything to avoid damage to the machine and affect the machining accuracy;
3. When starting, start magnetic absorption, oil pump, grinding wheel, water pump and running switch. In the next knife, strictly control the distance from the knife to avoid too much damage to the wheel and the workpiece. In general, for modified magnetic cores, resin binder type grinding wheels are generally used, and the feed rate per time must not exceed 0.2 mm. The first feed and the last feed control are within 0.1 mm for direct air release. The magnetic core of the gap is usually a metal adhesive grinding wheel, and the feed rate per time must not exceed 0.1 mm. The first feed and the last feed control are within 0.05 mm.
4. The length and width of the workpiece must not exceed the length and width of the table top;
5. No parking is allowed during the grinding process when the grinding wheel does not exit the work surface. When stopping, stop the running of the grinding tank first, and then stop the water pump, grinding wheel, oil pump and degaussing before removing the grinding workpiece;
6. Positioning safety device must be used when automatically moving the knife. When fast moving, the handle should be fixed in position. No person or anything should be close within the operating range of the workbench. Pay attention to the movement of the worktable to prevent collision accidents.
7. For each polished workpiece, a sampling inspection should be carried out (for the magnetic core. The sampling ratio is 3%, and the other depends on the workpiece size), and the sample can be removed only after the sampling result fully meets the process requirements.
8. The power should be cut off when loading and unloading the grinding wheel. Before loading the grinding wheel, it must be ensured that the grinding wheel has undergone balance correction. Regularly use special tools (diamond correctors or workpieces) and level gauges to trim the balance of the grinding wheel and correct the work surface. Normally it is calibrated once a week. If the machine tool works abnormally. If the deformation or consistency of the workpiece after grinding is not good. The wheel should be corrected immediately and the table surface corrected;
9. In the process of use, if there are any abnormalities, the operation shall be stopped immediately, the power of the equipment shall be turned off, and the maintenance personnel shall be informed of the maintenance;
10. Concentration should be concentrated on the job and you must not do anything unrelated to your job.
What should you watch out for when operating surface grinders?
1. Before Operation 1. Before Operation The employee must wear protective articles such as protective masks, aprons and buckle clothes, and tighten the cuffs. It is forbidden to use gloves for operation.