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5.2 The maintenance rules of
CNC router machine:
It is necessary to clean impurity and apply oil during the daily use of engraving machine, or else the
machine will work slowly and in disorder because of the long time working without cleaning the impurity
and dust of the ballscrew, sliding block and inner of bearing.
Maintenance methods:
1).
Choose the lubricate oil: the mixture of the engine oil and cup grease, not too thick.
2).
Lubricating parts: master screw, guide screw, sliding block and axletree of the spindles of X, Y,
Z.
3).
The process of lubricating: wipe of the impurity of the rack, axletree, master screw, guide rail,
nut and the siding block of axletree before lubricating. If some are difficult to wipe off, you
can use petrol to clean then fill the lubricating oil and makes speed gradually to test without
material.
4).
Lubricating period: it should depends on the working surroundings and the working time, generally
wipe of the disintegrating slag everyday after work. And fill the oil of each parts per month then
move fast to lubricate without processing any materials.
5).
Lubricating methods: use cup grease to fill sliding block, other parts can use oil pot to drip oil
or use cloth to rub oil on.
5.3
The maintenance of vacuum. ( Vacuum is optional)
5.31 In order to avoid the abrasion of the the impeller and pump body or locking of the impeller, make
sure that the dust which go into the pump with the air and the water should be washed out through
the washing pot which is in the bottom of pump cap.
5.32
If use hard water act as working fluid, the hard water should be intenerated, or wash the vacuum
pump periodically.
5.33 Lubricate
In the average working circumstances, using 50HZ motor: after 20,000 hours working or after 3 years
working, the disused grease and dirt between the axletrees and their accessories should be cleaned
and the new lubricating oil should be added into. The newly added lubricating oil should take 50%
space of the axletrees and 65% space of the axletrees cap.
If the working conditions is very wretched, the exchange period of oil should be shorten.
5.34 Exhaust
After drain away the air, open the water outlet of water tank to make the water outflow.
And rotate the vacuum pump by manual drive, until there is no water to outflow. Incline the vacuum
pump at 45 degree angle to drain away completely. In this case, the pump won’t get breakage even
if it is long-time no use or under the cold weather.
5.35 The methods of dealing with long—time pump off: if the pump has been discontinued using for more
than 4 weeks, it should be drained according to method 3, after that, it should be taken
anticorrosion treatment, that is to say, pure 1/2 L anticorrosive oil to the pump from the suction
port or the vent, and then run the vacuum pump for a short time. If the impeller is locked after long-time
discontinue use because of have using hard water,
the vacuum pump should be inpoured with 10% oxalic
acid for about 30 minutes.
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