Nc flame cutting machine cutting torch maintenance skills
Nc flame cutting machine cutting torch maintenance skills
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How hot charging reducer coupling!
by：Waxing
2020-11-16
How hot charging reducer coupling!
2019 -
06 -
03 method/step 1.
Before coupling of hot charging, need to use gasoline or kerosene cleaning shaft neck and shaft coupling with the place, to see if there are any more rough, damage parts problem, if there is damage, need to take measures to eliminate, then measuring inner diameter size of the shaft neck and shaft coupling, if parts size discrepancy, you will need to repair the coupling inner hole, ensure the normal order of the coupling can be hot charging.
2.
Coupling hot charging, the temperature must be heated to 250 ℃ or so, when the heating temperature can not rise too quickly, otherwise it will affect the coupling temperature uniformity.
3.
When heated to the specified temperature, measuring the expansion of the heated values, to measure the inner diameter of the coupling after expansion, and then the inner diameter of the heat expansion stick into coupling diameter hole, the maximum value of hot work, completes the reducer coupling of hot charging work.
Note 1.
Checking whether the coupling coupling coupling in pairs, with another group corresponding coupling installed in the reducer.
2.
Check the coupling with the integrity, view its surface defects such as the existence of burr, scratch.
3.
Records on a regular basis and current temperature values, when the temperature exceeds 100 ℃, need to set the fire fighting equipment to protect the personal safety of operators.
If the sample rod was used to measure the aperture value, should be a power outage.
After completion of hot charging, should use cold water to water the journal makes its cooling, protect the function of the speed reducer.
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