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Drum Engraving: Precautions
Source:ZS Machinery Time:2016-08-16 Click:1170 Times
The drum is the heart of a sublimation transfer machine, and every operation on it has to be treated as precision work.
- Check concentricity before you start. An out-of-round drum cannot be corrected later.
- Keep the surface clean. Swarf or grit left on the surface during work will be pressed into the finish.
- Control the cut evenly. Uneven cuts create high spots, and a high spot prints as a mark on every revolution.
- Polish in stages. Skip a grade and the surface will not be fine enough for even transfer.
- Inspect under light before assembly. A surface that looks acceptable in daylight can still show marks once the machine is running at temperature.
The cost of getting this wrong is not a scrapped drum – it is thousands of metres of fabric with a repeating mark on it.


