Printing press, cylinders in lockstep
The printing press's DC drives were obsolete, and its cylinders had to turn in exact sync.
- Client
- PT Central Sahabat Baru
- Year
- 2022
- Location
- East Java
- My role
- Engineer, hands-on
- Delivered through
- Firmansyah.co, as subcontractor to PT Apikon
Layers worked on
What we did
- 01Control Techniques Mentor II DC drives replaced with Nidec Mentor MP.
- 02Digital lock synchronization (electronic line-shafting) between print cylinders using encoder pulses.
- 03Power cubicles, armature cabling, field control, encoder feedback and emergency stops reworked.
The result
Digital lock synchronization under 5 ms per degree of error.