UsedPrinting Accessories
Heidelberg SM 52 AUTOMATIC NUMBERING AND PERFORATING (N + P) UNIT
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N+P Unit, Heidelberg SM 52 Automatic Numbering and Perforating Unit The N+P Unit featured on the Heidelberg Speedmaster SM 52 stands for the Numbering and Perforating Unit. Operating independently of the offset printing units, this system is integrated into the delivery section of the machine or installed as an additional attachment, adding two essential functions to the printing process:
- Product Code
- 150003
- Brand
- Heidelberg
- Model
- Heidelberg SM 52
- Format
- 37x52 cm
- Year
- 2000
- Condition
- Used
- Category
- Printing Accessories
- Machine Location
- Istanbul, Türkiye
Brand and model names in this listing are used only to identify the product; our company has no authorized dealership relationship with this brand.
- Sequential Numbering: Automatically prints sequentially increasing tracking numbers (such as 0001, 0002, 0003) on documents such as invoices, delivery notes, receipts, tickets, or collection slips.
- Mechanical Numbering Heads: Thanks to the unit’s special rings and skip levers, the numbering head mechanically advances to the next number each time a sheet passes through.
- Dedicated Inking System: It has its own small ink reservoir and roller assembly, independent of the main offset units.
- Easy-Tear Perforation: Creates fine perforated lines in the paper so that documents (such as ticket stubs or the original/copy sections of invoices) can be neatly torn off at a designated point.
- Perforation Discs and Arms: Circular perforation blades (discs) mounted on the unit’s shaft precisely punch these holes as the paper passes through the machine at high speed.


