
Production and PVD coating of eyeglass frames made of metal and polyamide – 360° service Made in Germany

H & U Scheffler GmbH
New on Amplifa
About H & U Scheffler
H & U Scheffler GmbH is a specialized production and coating partner for eyeglass frames and small metal as well as plastic parts. The company offers a 360° service from concept through design and prototype manufacturing to series production, surface finishing, assembly and shipping. Processes include metal processing with tumble finishing, polishing, drag finishing, hand polishing and blasting, as well as PVD coating in various colors (e.g. gold to black) and surface finishes from matte to mirror gloss. For polyamide components, the SLS process (laser sintering) is used, supplemented by blasting, hydrophobization and dyeing. Manufacturing takes place in Germany. The company is focused on the eyewear industry and processes metal as well as polyamide.
- Processes
- Tumble finishing, Polishing, Drag finishing, Hand polishing, Blasting, PVD coating, SLS process (polyamide printing), Hydrophobization
- Materials
- Metal, Polyamide, PVD coating, SLS process (laser sintering)
- Industries
- Eyewear industry, Optics, Eyewear industry (frames)
- 01
Concept
- 02
Design
- 03
Prototype manufacturing
- 04
Metal processing / SLS printing (polyamide)
- 05
Tumble finishing / blasting
- 06
Polishing (drag finishing, hand polishing)
- 07
PVD coating / hydrophobization / dyeing
- 08
Assembly
- 09
Shipping
Materials & Processes
Polyamide
Processing using the SLS process including tumble finishing, blasting, hydrophobization and dyeing
PVD coating
Hard, decorative surface coating from gold to black, from matte to mirror gloss
SLS process (laser sintering)
Additive manufacturing of polyamide workpieces
Metal
Basis of frame production with finishing through polishing and blasting
Components


Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Tumble finishingSurface | – | – | – | – | Metal, Polyamide |
| PolishingSurface | – | – | – | – | Metal |
| Drag finishingSurface | – | – | – | – | Metal |
| Hand polishingSurface | – | – | – | – | Metal |
| BlastingSurface | – | – | – | – | Metal, Polyamide |
| PVD coatingSurface | – | – | – | – | Metal |
| SLS process (polyamide printing)Additive | – | – | – | – | Polyamide |
| HydrophobizationSurface | – | – | – | – | Polyamide |
| DyeingSurface | – | – | – | – | Polyamide |
| Concept development, design, prototype manufacturingEngineering | – | – | – | – | – |
| Warehousing, assembly, shippingAssembly | – | – | – | – | – |
Additional services
History
Over 20 years of eyeglass frame production (according to website text; meta description mentions 25 years)