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Delrin laser engraving
for the production of embossing presses
Request a demoWhat is Delrin?
Delrin is used for the production of embossing presses. Embossing presses are used by notaries, companies, engineers and government agencies to add relief embossings, in addition to a signature, in order to protect quality documents from being copied fraudulently. Furthermore, an elegant embossing adds a personal touch to stationery and invitations. Whether it is a logo, home address or something creative, there is no limit to the number of possible applications.
What is Delrin?
Delrin is a trade name for the material group polyacetal (POM). This material is highly suitable for laser cutting or engraving because it can easily be removed by the laser beam.
Trotec product recommendation
Tips for engraving Delrin
What requires special attention in the manufacturing of seal presses?
A good fit between the two forms is important. It is also necessary to ensure that the engraving has the correct depth. The engraving depth should be at least 0.25 mm, but a maximum depth of 0.50 mm must not be exceeded. If the engraving is too shallow, the embossing is barely visible. If the engraving is too deep, the paper may tear. Once determined, the parameters are stored in the materials database of the JobControl® software and can be retrieved at any time.
Which text size should be chosen for a perfect result?
Text or graphic elements should be at least 0.5 mm or no smaller than a five-point font in size. When using significantly heavier paper grades of 80 g/m², the size of the graphic elements should also be increased.
How to prevent the press from cutting through the paper?
The problem with seal presses can be that Delrin often has too sharp edges, and the punch thus cuts through the paper. Our tip: Set the laser to be out of focus by around 2 mm (= Z-axis offset by 2 mm) – embossing results remain the same, but the edges become more rounded, and the process is therefore gentler to the paper.
Impressions
Application examples for Delrin
Delrin is used in the production of embossing presses. Embossing presses use a positive and a negative relief to emboss paper. The positive relief (male) is created with white letters on a black background and the negative relief (female) is inverted and mirrored.
Why should I buy a laser for engraving Delrin?
The laser beam is a universal tool for material processing, so there is no need for tool or grinding costs for milling cutters or drills. During processes such as mechanical engraving, materials must often be clamped in place or fixed with a vacuum. This is not necessary in laser processing, which saves time and money.
Function and advantages of laser technology
Efficient and cost-effective engraving
- Complex contours and markings with unusual shapes can be produced efficiently
Advantages of a Trotec laser
- Speedy laser engraving machines: The fastest laser engravers available on the market with a maximum processing speed of 4.2 m/sec and an acceleration of 5 g
Non-contact processing
- No time-consuming fixating of materials in comparison to other processing methods
- No warping of the material
Advantages of a Trotec laser
- Multifunctional table concept for easy handling
Simple high-quality digital manufacturing
- Designs are created in your usual graphics program and sent to the printer via the printer command
Advantages of a Trotec laser
- JobControl® laser software: Simply intuitive. Work efficiently.
Fine tools
- Small fonts and fine details can be engraved
- One tool for all tasks
Advantages of a Trotec laser
- Ideal optics and optimal beam performance
No tool wear
- No wear of the laser beam from material processing
- No costs for new tools
Advantages of a Trotec laser
- CeramiCore laser sources with a particularly long service life
