2 in 1 – Cold forming and machining
GMAK – Yesterday and Today
1780 – foundation of Gebr. Tiefenthal, Wülfrath
2003 – Renaming to GMAK Kaltformteile GmbH & Co. limited partnership
2008 – Relocation to Wuppertal
2017 – Reorganization of the shareholder structure
2018 – Successful certification according to IATF 16949:2016
35 employees (thereof 23 in production)
15.000 m2 area, of which 5.000 m2 production area
Near-Net-Shape Production
Cold forming with multi-stage presses (up to 5 stages)
Pressing forces up to 1.300 kn
Material: Steel, stainless steel, non-ferrous metals
Wire diameter: 3 – 16 mm
Under head length: up to 130 mm
Head diameter: up to 30 mm
Material:
Steels from magnetically soft iron to high-grade structural steels, stainless and rust-resistant stainless steels, aluminium alloys, non-ferrous metals
Machining
Machining further processing such as
– Cutting internal thread
– Turning, drilling, milling etc.
Complex turning geometries via rotary indexing and cam-controlled automatic lathes
Further processing
Chipless further processing such as
– Thread and profile rolling
– Finest cleaning, vibratory finishing, sorting, packaging
Surface and heat treatment by external partners
Flexibility meets experience and competence
GMAK customers work in the following areas
– Automotive and supply industry
– Mechanical and plant engineering
– Electrical engineering
– Plastics technology
– Building and furniture fittings
– Sport and leisure sector
GMAK combines the advantages of two technologies, cold forming and turning, – to produce to use saving potentials and
– develop the most economical solution.
What customers value about GMAK?
– Experience
– Modern finite simulation technology (2D and 3D)
– Speed
– Flexibility
Jürgen Gundermann
Management
Tel. +49 202 66931-600
info@gmak.de
Georg Marek
Production management
Tel. +49 202 66931-650
georg.marek@gmak.de
Lennart Sakuth
Head of Sales
Tel. +49 202 66931-637
lennart.sakuth@gmak.de
Thorsten Kettner
Sales
Tel. +49 202 66931-636
thorsten.kettner@gmak.de
Harry Altena
Purchasing department
Tel. +49 202 66931-630
harry.altena@gmak.de
Ralf Gnoth
Construction department
Tel. +49 202 66931-640
ralf.gnoth@gmak.de
Martin Dreker
Accounting, Human Resources Management
Tel. +49 2351 5678-128
m.dreker@mn-kaltform.de
Elmar Warkentin
Quality assurance
Tel. +49 202 66931-665
elmar.warkentin@gmak.de
Ingo Hermanns
Logistics
Tel. +49 202 66931-670
ingo.hermanns@gmak.de