New Gearcase Casting
Manufactured at
H. Downs & Sons Ltd
Leeds Road
Huddersfield HD2 1XR
Tel 01484 428 203   Fax: 01484 546 993
email: sales@hdowns.co.uk


Cast Iron or SG ductile Moulding box being cast in preparation for the first sample gearcase

 
Another top part moulding box, these boxes allow us to leave but a few inches of sand around the casting, this aids in turning over and craning the parts about.

 
Set of boxes covering the new gearcase pattern

 
The new gearcase pattern and cover core box made by
H. Downs & Sons
own pattern makers.
Cast weight was 860 kgs

 
Finally the finished gearcase at the painting stage.
The sample casting  is sent to the customer for a final dimensional check before after and during machining.
NB This casting suffered some adverse contraction along the casting length The pattern equipment has now been altered to allow all the bore centres to be within 2 mm tolerance over 1600 mm