700 ton Vertical 'Serck' Extrusion Press with two H3 Pumps and an Air/Water Accumulator, O/No. 6306, c.1949

Order 6306 for The (Birmingham) Mint, c.1949

Gloucestershire Archives

An interesting photograph for a number of reasons: –

The air/water hydraulic accumulator system (air/water bottle on the right with external level control system and air back-up bottle on the left) was possibly provided to enable the main ram to travel at a fast speed.

The large nut fitted to the top of the press is probably an adjustable ‘stop’ nut, to control the stroke.  It is not clear whether the press was used for extrusion or forming.

This is the only surviving photograph of H3 pumps that illustrate different handing of the pulley drive! On the standard drive the pulley was always mounted on the left hand side, when viewed from the rear.

Click on a photograph to enlarge an image.

Click on the hyperlink to see Notable Orders from the 1940s

If you remember designing, machining, fitting, installing, maintaining, or working with this machine please share your memories at the bottom of the page by clicking on the words Add a comment about this page.

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