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Luxfer Values: Integrity - Customer Focus - Can-Do Attitude - Teamwork
Luxfer Riverside
Cylinder manufacturingoperations
July 2009
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Major process steps
Cup press Lube / draw / wash Large liner tube inspection Small liner spinning Large liner spinning Small liner heat treatment Large liner heat treatment Machining
Winding Sanding Hydrostatic testing Gel coating
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Cup press
Converts aflat circularplate into ashort cupwith a closed
base.
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Lube / draw /
wash A three-stageprocesslubrication,drawing and
washing.
Creates a longshell with a thinwall (whileretaining the
necessarily thickbase area), aswell as a thickopen end for theneck.
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Large liner tube
inspection All aluminumtube for largelinermanufacturing is
inspected.
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Small liner
spinning
High-
temperatureprocess:spinning theopen end of theshell to form aneck.
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Large liner
spinning
High-
temperatureprocess:spinning theopen end of theshell to form aneck.
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Small liner heat
treatTwo-stageheatingprocess, withan interimquench, tostrengthen
and toughenthe aluminum.
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Large liner heat
treatTwo-stageheatingprocess, withan interimquench, tostrengthen
and toughenthe aluminum.
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Machining
High-speed,CNC-
controlledmachining toform thethread,
including theO-ring glandarea.
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Winding
Application ofcarbon fiber, andthen glass fiberalong with epoxy
resin, to provide90% of thestrength of thefinished cylinder.
Normally then
heated by a low-temperatureoven toaccelerate curingof the cylinder.
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Sanding
An automatedsandingprocessremovessurplus resin
and fibers.
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Hydrostatic test
Every cylinderishydrostaticallytested to verifythat it hasbeen
manufacturedcorrectly.
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Gel coat
A final layer of
sacrificial gelcoat is appliedto provide asuperior
aestheticfinish.
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Completed
cylinders
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Luxfer Values: Integrity - Customer Focus - Can-Do Attitude - Teamwork
Luxfer Riverside
Cylinder manufacturingoperations
July 2009