HARMS Lohnhärterei has been operating Europe's
largest gas carburising unit since the summer of
|The unit is equipped with the
latest monitoring and control equipment.
All process data is stored in
digital terms, and filed
through a process management system.
A special method was
developed to minimise delays.
Batch weight: 38,000kg
Another two gas carburising units are
available to give additional flexibility:
|One furnace for gears:
One furnace for shafts
Designed to achieve
carburisation depths up to 7.0mm. The furnaces employ the nitrogen-methanol-propane
process; they are controlled, regulated and monitored through a process management system. Hardening
depth and hardness pattern are computed through a
computer module. Products
are quenched in heavy-duty quenching oil, using a
high-intensity forced circulation approach. All
heat treatment operations are performed in a
The company maintains its
own advanced laboratory and a specimen workshop.
||A quality assurance system is
maintained to ensure a high quality standard with respect to case
depth, uniform hardness (HRC), marginal
skin decarburisation, and dimensional stability
of large components. Implementation of
this system, and decades of employee
experience demonstrate the strengths of
the business. HARMS has become a reliable
partner to many renowned customers at
home and abroad. Value for money, quality,
and service to
schedule have made HARMS rank high among
customers who require heat treatment of
us at any time for free advice.
Call us on +49-391-6 11 37 - 0
or fax us on +49-391-62 19
Harms Lohnhärterei GmbH &