|
 |
 VALDUNES
has developed a special Safety steel and a specific heat treatment
which enable :
Great hardness
of the running tread :
up
to 500 HB (or even more in certain cases).
Great resistance to wear
with
a hardened depth of 35 mm.
Continual evolution of the mechanical characteristics
between
the running tread and the hub.
Great resistance to fatigue and cracking.
|
 |
VALDUNES
can also produce crane wheels in the material chosen by the Customer
and in accordance with a special process producing the required characteristics.
Forging with the 6000-ton press gives the wheels excellent grain flow
and a high degree of finishing.
The diameter of the wheels varies from 150 to 1400 mm with a weight
which can exceed 2.5 tons.
The wheels are supplied unwrought, machined or assembled with their accessories (shafts, roller bearings, boxes, gears, coupling halves, ...).
In addition to the wheels as per standards DIN 15078, 15079 and 15090,
SID 466, SIDMAR SV3-760, VALDUNES manufactures crane wheels
in all the required dimensions. |
|
