TENSION SPRINGS

REALISATION
EXAMPLES

Wound coil spring with contiguous turns which, when extended under the load, in most cases has a counter function.

Dimensional capacity	0,4 mm to 24 mm
Manufacturing capacity	Unit production to large series production runs, 0.4 mm to 24 mm
Worked sections	› 0,4 to 24 mm› round section› square section
Additional activities	› shaping buckles / eyelets / hooks / rings› English or German› heat treatment› surface finishing› winding with single rings› winding with double rings› winding with shaped hooks
Example	› open ring tension spring› German ring tension spring› closed ring tension spring› stainless steel tension spring› large ring tension spring› galvanised tension spring› English ring tension spring› counter spring› locking› Double torsion
Worked materials Work material Normes des matières travaillées	› Inconel› brass› spring steel› shape memory metals› titanium› spring stainless steel› pre-galvanised steel› galvanised mild steel› zinc aluminium steel› mild steel› SH steel› galvanised› stainless steel 302, 316, 17, 7PH
Finishes Specific to requirements	› Passivation› burnishing› chroming› white zinc coating› cataphoresis› iridescent zinc coating› epoxy paint› dry or grease phosphating› tinning› blasting› Geomet
Manufacturing process	› digital winding machines› mechanical winding machines› automatic looping device› belt furnace for heat treatment