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The company was founded in 1958 as a captive hardening plant for the nationally owned combine Fortschritt. The location has belonged to the VTN Group since 1993 and today offers modern, forward-looking technologies. Thanks to a high-performance nitriding department, a new line for low-pressure carburizing (LPC) and numerous other hardening processes, the site is now a universal hardening plant with a wide range of products.
Accordingly, the range of treated parts is wide, from single-part production to large-scale series production.
| System type | Max. dimensions (mm) | Max. total weight (kg) | Max. temperature (°C) | Cooling | Number | ||
|---|---|---|---|---|---|---|---|
| Width | Height | Depth | |||||
| Vacuum furnace | 600 | 600 | 800 | 800 | 1350 | 10 bar abs. N₂ | 1 |
| Multi-purpose chamber furnace | 675 | 610 | 1175 | 600 | 950 | Oil | 2 |
| Chamber tempering furnace | 675 | 610 | 1175 | 600 | 750 | - | 2 |
| Low-pressure carburizing system (LPC) | 760 | 710 | 1210 | 1000 | 1050 | Oil | 3 |
| Chamber tempering furnace | 760 | 710 | 1210 | 1000 | 750 | – |
2 |
| Nitriding furnace | 900 | 900 | 1500 | 2000 | 750 | – | 1 |
| Nitriding furnace | 1200 | 1000 | 1800 | 3500 | 750 | – | 4 |
| Annealing system | various dimensions | 4000 | 950 | – | 2 | ||
| HF induction system | ø 200 | 2000 | – | 250 | – | – | 2 |
| ZF induction system | ø 180 | 550 | – | 250 | – | – | 2 |
| MF induction system | ø 380 | 2000 | – | 400 | – | – | 1 |
| Blasting system (shot blasting) | On request | – | – | – | 1 | ||
| Blasting plant (glass beads) | On request | – | – | – | 1 | ||
| Straightening press | On request | – | – | – | 1 | ||
| Washing machine (alkaline) | 900 | 1000 | 1200 | 1500 | – | – | 1 |
| Washing machine (vacuum) | 760 | 850 | 1210 | 1000 | – | – | 1 |
| System type | Max. dimensions (mm) | Max. total weight (kg) | Max. temperature (°C) | Cooling | Number | ||
|---|---|---|---|---|---|---|---|
| Width | Height | Depth | |||||
| Vacuum furnace | 600 | 600 | 800 | 800 | 1350 | 10 bar abs. N₂ | 1 |
| Multi-purpose chamber furnace | 675 | 610 | 1175 | 600 | 950 | Oil | 2 |
| Chamber tempering furnace | 675 | 610 | 1175 | 600 | 750 | - | 2 |
| Low-pressure carburizing system (LPC) | 760 | 710 | 1210 | 1000 | 1050 | Oil | 3 |
| Chamber tempering furnace | 760 | 710 | 1210 | 1000 | 750 | – |
2 |
| Nitriding furnace | 900 | 900 | 1500 | 2000 | 750 | – | 1 |
| Nitriding furnace | 1200 | 1000 | 1800 | 3500 | 750 | – | 4 |
| Annealing system | various dimensions | 4000 | 950 | – | 2 | ||
| HF induction system | ø 200 | 2000 | – | 250 | – | – | 2 |
| ZF induction system | ø 180 | 550 | – | 250 | – | – | 2 |
| MF induction system | ø 380 | 2000 | – | 400 | – | – | 1 |
| Blasting system (shot blasting) | On request | – | – | – | 1 | ||
| Blasting plant (glass beads) | On request | – | – | – | 1 | ||
| Straightening press | On request | – | – | – | 1 | ||
| Washing machine (alkaline) | 900 | 1000 | 1200 | 1500 | – | – | 1 |
| Washing machine (vacuum) | 760 | 850 | 1210 | 1000 | – | – | 1 |
Zittauer Straße 67
D-02681 Wilthen, Germany
Tel.: +49 (0) 35 92/38 55 – 0
Fax: +49 (0) 35 92/38 55 – 33
E-Mail: wilthen@ihi-vtn.com
Felix Pfaff
Tel.: +49 (0) 35 92/38 55 – 21
E-Mail: felix.pfaff@ihi-vtn.com
Marcel Noack
Tel.: +49 (0) 35 92/38 55 – 29
E-Mail: marcel.noack@ihi-vtn.com
Georg Hauser
Tel.: +49 (0) 35 92/38 55 – 14
E-Mail: georg.hauser@ihi-vtn.com
Antje Rudolf
Tel.: +49 (0) 35 92/38 55 – 11
E-Mail: antje.rudolf@ihi-vtn.com
Beate Krüger
Tel.: +49 (0) 35 92/38 55 – 22
E-Mail: beate.krueger@ihi-vtn.com
Herbede-Plant
Rüsbergstraße 75
D-58456 Witten-Herbede, Germany
Tel.: +49 (0) 23 24/93 42 – 0
Fax: +49 (0) 23 24/93 42 – 11
Annen Plant
Stockumer Straße 28 (Hall A7)
D-58453 Witten-Annen, Germany
Tel.: +49 (0) 23 02/95 619 – 0
Fax: +49 (0) 23 02/95 619 – 40
Am Stadtholz 39
D-33609 Bielefeld, Germany
Tel.: +49 (0) 5 21/92 63 23 80
Fax: +49 (0) 5 21/32 54 10