Routine warranty work scope of milling machine
1. Clean the bed and parts, clean up iron filings and the surrounding environment;
2. Check the oil level, not lower than the oil standard, and add lubricating oil to each part;
3. Cleaners, clamps, and measuring tools.
The scope of operation of the milling machine
1. Clean and adjust the workbench, screw handle and column inserts;
2. Check and adjust the clutch;
3. Clean the three-way guide rail and oil felt, clean the inside and outside of the motor, machine tool and accessories;
4. Check the oil circuit and fill each part with lubricating oil;
5. Tighten all screws.
Routine warranty work scope of milling machine
1. Cleaning of bed and parts, cleaning iron filings and surrounding environmental sanitation, cleaners, clamps, and measuring tools;
2. Check the oil level, not lower than the oil standard, and add lubricating oil to each part.
Weekend maintenance work range of milling machine
1. Clean
1. Disassemble and clean the various oil felt pads;
2. Wipe each sliding surface and guide rail surface, wipe the worktable and the horizontal, lift screw, wipe the knife drive mechanism and the knife holder;
3. Wipe all dead corners.
2. Lubrication
1. The oil holes are clean and unobstructed and filled with lubricating oil;
2. Add lubricating oil to each guide rail surface, sliding surface and each screw rod;
3. Check the oil tank and oil level of the transmission mechanism, and add oil to the elevation position.
Three, tighten
1. Check and tighten the pressure plate and insert screws;
2. Check and tighten the slider fixing screws, the knife drive mechanism, the handwheel, the workbench bracket screws, and the fork top wire;
3. Check and tighten other parts to loosen the screws.
Four, adjustment
1. Check and adjust the belts, pressure plates and inserts for proper tightness;
2. Check and adjust the sliding block and screw rod order.
Five, anti-corrosion
1. Remove the rust of each part, protect the painted surface, and avoid collision;
2. Out-of-service, spare equipment guide rail surface, sliding screw hand wheel and other exposed parts that are easy to rust are coated with oil for corrosion protection.
Pre-shift maintenance
1. Check whether each oil pool is short of oil before driving, and use clean engine oil to refuel once as shown in the lubrication diagram.
2. Check whether the appearance and function of the power switch are good, and whether the grounding device is complete.
3. Check whether the screws, images, handles, handballs and oil cups of the various parts are loose or missing. If found, they should be tightened and supplemented in time.
4. Check the condition of the transmission belt.
5. Check whether the electrical safety device is in good condition.
In-class maintenance
1. Observe the sensitivity, reliability, temperature rise, sound and vibration of motors and electrical appliances.
2. Check the sensitivity and reliability of the electrical safety equipment.
3. Observe the temperature rise, sound direction and vibration of each transmission component.
4. Check the working conditions of the plunger oil pump in the bed and the lifting platform at all times. When the machine tool is running and there is no oil flowing out of the indicator, it should be repaired in time.
5. It is found that there is a gap between the axial clearance of the longitudinal screw of the worktable and the transmission, and it should be adjusted according to the instructions.
6. Adjustment of spindle bearing.
7. The adjustment of the fast moving clutch of the worktable.
8. Adjust the tightness of the transmission belt.
After-hours maintenance
After work, the equipment must be inspected and cleaned, and daily maintenance work must be done. Put all operating handles (switches) in neutral (zero position) and open the power switch to achieve orderliness, cleanliness, lubrication and safety.
Regular maintenance
1. Clean the inside of the bed, the inside of the lifting platform and the lubricating oil pool of the base of the workbench every 3 months, and clean the oil net of the lubricating oil pump with gasoline, no less than twice a year.
2. The lifting screw is lubricated with aluminum disulfide oil every two months.
3. The adjustment of the gap between the machine tools:
(1) The adjustment of spindle lubrication must ensure that a drop of oil passes through every minute.
(2) The adjustment of the transmission gap of the longitudinal screw of the worktable shall be adjusted every 3 months or according to the actual use. The requirement is that the transmission gap is fully reduced, the gap of the screw does not exceed 1/40 revolutions, and the total length is There must be no jams.
(3) The adjustment of the axial gap of the working and longitudinal screw is to eliminate the transmission gap between the screw and the nut, and at the same time to minimize the fit gap between the screw in the axial direction and the worktable.
(4) The adjustment of the radial clearance of the spindle bearing should be adjusted according to the actual conditions of use.
4. Adjustment requirements for the fast moving clutch of the worktable
(1) When the friction clutch is disengaged, the total clearance between the friction plates should not be less than 2～3mm.
(2) When the friction clutch is closed, the friction plate should be tightly compressed, and the iron core of the electromagnet should be fully tightened. If the iron core of the electromagnet is matched correctly, the electromagnet will not make a sound in the tensioned state.
