Engineering Specification, 1500 ton Direct-Pumped Horizontal Extrusion Press (O/No. 60360)

1500 ton Direct-Pumped Horizontal Extrusion Press (O/No. 60360)

This page contains a précis of the Engineering Specification for the press stated above (as originally supplied).

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Specification:1500 ton self-contained direct-pumped horizontal extrusion press
Process:Extrusion of aluminium, copper and brass solids and tubes
Main Characteristics:Two – approach rams60 tonf x 5′ 6″ stroke
One – main ram1460 tonf x 5′ 6″ stroke
Two – drawback rams120 tonf
One – container sealing ram250 tonf x 3′ 1″ stroke
One container unsealing ram (during ejection of discard)400 tonf
One – die slide & shear30 tonf x 4′ 3″ stroke
One die lift ram6 tonf x 4′ 6″ stroke
Two – die positioning rams6 tonf x 2’3″ stroke
Two – horizontally opposed shear rams30 tonf x 1′ 0″ stroke
One – vertical shear ram40 tonf x 2′ 4″ stroke
One – mandrel/piercing ram150 tonf x 3′ 7″ stroke
Two – mandrel drawback rams50 tonf
Columns:Four – 10″ dia.  Column centres 4’0″ x 4′ 9″
Die Assembly:Horizontal sliding type with quick-change gear
Billet Size:8 3/4″ max. x 27 1/2″ long
Container Liner Bore:9″ dia.
Container Heating:Thermostatically controlled induction heating up to 540 degrees C.  Input to transformer approx. 150 amps
Output:Approx. 45 billets/h (pierced), 50 billets/h (solid)
Overall Dimensions:48′ 0″ long x 11′ 1″ wide x 13′ 11″ above floor level
Est. Weight:130 tons including pumps, valves etc.
Speeds:Approach14 in/s
Extruding0 – 0.7 in/s infinitely variable (without piercer)
Drawback8 1/2 in/s
Container sealing7 in/s
Container unsealing3 1/2 in/s
Mandrel/ piercer10 in/s
Mandrel/piercer drawback10 in/s
Working Pressure:4480 psi.
Medium:High grade mineral oil
Pumps:Three – Towler 5H300/5H300 Electraulic patent high speed pumps
One – Towler 4H145/5H300 Electraulic patent high speed pump
One – Towler 2H32/V105 Electraulic patent high speed pump
(the above rated for continuous duty @ 6000 psi.)
Controls:Automatic, semi-automatic and hand working, all press motions being controlled electrically from a central control desk
Motors Required:One – 200 HP double-shaft, One – 175 HP double-shaft, One – 8 HP single shaft (motors not included)
Starters:Automatic star/delta, totally enclosed, air break starters

This specification was kindly supplied by Rhodes Interform

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