
Development and production of gaskets and stamped parts by punching, laser cutting, cutting and milling.

OF Stanz- und Dichtungstechnik UG (haftungsbeschränkt)
Grünhain-BeierfeldNew on Amplifa
About us
OF Stanz- und Dichtungstechnik UG (haftungsbeschränkt), based in Grünhain-Beierfeld (Erzgebirge), specializes in the development and production of gaskets and stamped parts. The company manufactures everything that can be produced using the processes of punching, laser cutting, cutting and milling – from bridge presses and eccentric presses to CNC punching/laser systems, cutting plotters, flatbed cutters and CNC milling. A broad range of materials is processed, including pressboard, hardboard, laminated press materials, elastomers, high-pressure gasket materials, PTFE, cellular materials, rubber cork, and various steel grades such as mild steels for cold forming, structural steels, higher-strength cold-forming steels and electrolytically galvanized flat products. In addition to series production, the company designs and develops new products jointly with customers. On demand, produced parts are inspected visually and dimensionally on a computer-linked inspection table, including complete inspection reports.
- Site
- Grünhain-Beierfeld
- Processes
- Punching – bridge punching, Punching – eccentric press punching, Punching – punching die, Punching/laser – CNC punching/laser Trumatic, Cutting – cutting plotter, Cutting – flatbed cutter, Cutting – CNC machining/milling, Laser cutting
- Materials
- Pressboard (electrical, premium, transformer, capacitor pressboard), Hardboard (HPU A, B, C, St, S, BS), Laminated press materials (hard paper, hard fabric, glass hard fabric), High-pressure gasket materials (AFM, Klingersil, Novapress, Tesnit and others), PTFE (among others Gore-Tex, KlingerTop, Tealon), Elastomers (EPDM, NBR, SBR, CR, FKM, VMQ, PUR and others), Rubber cork (NBR, CR, EPDM, VMQ bases), Cellular materials (foam rubber, cellular rubber, PE/silicone foam)
- Certificates
- Computer-linked inspection with inspection report
- Industries
- Electrical engineering, Mechanical engineering, Gasket technology
- 01
Design and development jointly with the customer
- 02
Punching (bridge press, eccentric press, punching die)
- 03
CNC punching/laser (TRUMPF Trumatic)
- 04
Cutting (cutting plotter, flatbed cutter)
- 05
CNC machining/milling
- 06
Quality inspection on a computer-linked inspection table with inspection report
Materials & Processes
Pressboard (electrical, premium, transformer, capacitor pressboard)
Hard-pressed paper with high mechanical and electrical strength for insulation and stamped parts in electrical engineering.
Hardboard (HPU A, B, C, St, S, BS)
Bending-resistant, tough solid board for stamped parts, stamping underlays and special grades, also water-protected.
Laminated press materials (hard paper, hard fabric, glass hard fabric)
Resin-bonded laminates for electrical and mechanical insulation applications.
High-pressure gasket materials (AFM, Klingersil, Novapress, Tesnit and others)
Flat gasket materials for oil, gasoline, acids and alkalis with varying temperature and pressure ranges.
PTFE (among others Gore-Tex, KlingerTop, Tealon)
Chemically resistant materials for gaskets in aggressive media and wide temperature ranges.
Elastomers (EPDM, NBR, SBR, CR, FKM, VMQ, PUR and others)
Rubber compounds of various Shore hardnesses for gaskets, insulation and sealing tasks.
Rubber cork (NBR, CR, EPDM, VMQ bases)
Cork-elastomer materials with high resilience for gaskets on housings, transformers and motors.
Cellular materials (foam rubber, cellular rubber, PE/silicone foam)
Soft foam materials for sealing strips, insulation and seals with different cell types.
Mild steels for cold forming (DX51D–DX56D)
Cold-formable flat products for stamped parts, also coated (AS, Z, ZF, ZA, AZ).
Structural steels (S220GD–S550GD)
Hot-dip galvanized or coated structural steel flat products for load-bearing stamped parts.
Higher-strength cold-forming steels (H180BD–H420LAD)
Higher-strength flat products for lightweight, strength-oriented stamped parts.
Electrolytically galvanized steel flat products (DC01–DC06 +ZE/+ZN)
Electrolytically galvanized cold-rolled strip grades for stamped parts requiring corrosion protection.
Locations
Grünhain-Beierfeld
DEManufacturing (punching center)
- Materials
- Pressboard, hardboard, laminated press materials, elastomers, PTFE, high-pressure gasket materials, cellular materials
- Bridge press
- Eccentric press
- Punching die
- CNC punching/laser TRUMPF Trumatic
- Cutting plotter
- Flatbed cutter
- CNC machining/milling
- Inspection table (computer-linked, QA)
Components



Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Punching – bridge punchingForming | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Punching – eccentric press punchingForming | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Punching – punching dieForming | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Punching/laser – CNC punching/laser TrumaticForming | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Cutting – cutting plotterPlastics | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Cutting – flatbed cutterPlastics | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Cutting – CNC machining/millingPlastics | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
| Laser cuttingPlastics | – | – | – | – | Pressboard, Electrical pressboard, Premium pressboard, Transformer pressboard, Capacitor pressboard, Hardboard, Laminated press materials, Elastomers, High-pressure gasket materials, PTFE, Gasket and insulation materials, Cellular materials, Rubber cork, Mild steels for cold forming, Structural steels, Higher-strength cold-forming steels, Electrolytically galvanized steel flat products |
8 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Bridge press | – | – | – | – | Grünhain-Beierfeld |
| Eccentric press | – | – | – | – | Grünhain-Beierfeld |
| Punching die | – | – | – | – | Grünhain-Beierfeld |
| CNC punching/laser Trumatic | TRUMPF Trumatic | – | – | – | Grünhain-Beierfeld |
| Cutting plotter | – | – | – | – | Grünhain-Beierfeld |
| Flatbed cutter | – | – | – | – | Grünhain-Beierfeld |
| CNC machining/milling | – | – | – | – | Grünhain-Beierfeld |
| Inspection table (computer-linked, QA) | – | – | – | – | Grünhain-Beierfeld |
Additional services
Quality
On demand, produced parts are subjected to a rigorous inspection system: at a computer-linked inspection table, it is visually verified that the CAD dimensions were implemented exactly. As a report, the customer receives a complete inspection report covering all defined measurement points.
| Evidence | Grünhain-Beierfeld |
|---|---|
| Computer-linked inspection with inspection report |