Producer of springs and u bolts
tes.handlowy@psfactory.pl +48616647250 +48533995038 facebook psfactory.pl | pl eng de ru es uk

Production process

100% own production

The unrivalled quality of TES springs is ensured by:• using only the best raw materials,• adherence to procedures and standards,• high skills and experience of our staff,• state-of-the-art technologies,• certified European steel.
Before our springs reach the customer, they receive unique numbers and are then moved to our warehouse.The entire manufacturing process is rigorously controlled for quality and safety.
Production process
<!--:pl-->proces cięcia<!--:--><!--:en-->cutting process<!--:--><!--:de-->Schneidprozess<!--:--><!--:ru-->Процесс резки<!--:--><!--:es-->Proceso de corte<!--:-->

CUTTING

a flat bar is cut to dimensions indicated in the specifications.
<!--:pl-->proces walcowania<!--:--><!--:en-->rolling process<!--:--><!--:de-->Walzprozess<!--:--><!--:ru-->Процесс прокатки<!--:--><!--:es-->Proceso de laminación<!--:-->

ROLLING

a pre-programmed parabola is copied onto the leaf using a rolling machine.
<!--:pl-->Wykonywanie otworów<!--:--><!--:en-->hole drilling<!--:--><!--:de-->FEDERAUGEN BOHREN<!--:--><!--:ru-->ВЫПОЛНЕНИЕ ОТВЕРСТИЙ<!--:--><!--:es-->perforación de agujeros<!--:-->

HOLE DRILLING

holes for the central screw, caps, bumpers, etc. are made.
<!--:pl-->ZAWIJANIE USZU<!--:--><!--:en-->FORMING OF EYES<!--:--><!--:de-->FEDERAUGEN ANROLLEN<!--:--><!--:ru-->ЗАВЕРТКА УШЕК<!--:--><!--:es-->CONFOMACIÓN DE OJOS<!--:-->

FORMING OF EYES

openings for bushing mounting are formed using a dedicated machine by the renowned Hauser brand.
<!--:pl-->PODGINANIE KOŃCÓWEK<!--:--><!--:en-->BENDING OF ENDS<!--:--><!--:de-->FEDERENDEN WINDEN<!--:--><!--:ru-->ПОДГИБ КОНЦОВ<!--:--><!--:es-->CURVADO DE EXTREMOS<!--:-->

BENDING OF ENDS

the ends are bent to ensure smooth leaf operation, particularly important.
<!--:pl-->NAGRZEWANIE PIÓR<!--:--><!--:en-->HEATING OF LEAFS<!--:--><!--:de-->BLATTFEDERN ERWÄRMEN<!--:--><!--:ru-->НАГРЕВ ЛИСТОВ<!--:--><!--:es-->CALENTAMIENTO DE HOJAS<!--:-->

HEATING OF LEAFS

the spring leafs are heated and annealed in the hardening temperature recommended for different spring steel types.
<!--:pl-->PROCES HARTOWANIA<!--:--><!--:en-->HARDENING PROCESS<!--:--><!--:de-->HÄRTUNGSPROZESS<!--:--><!--:ru-->orus<!--:--><!--:es-->Proceso de endurecimiento<!--:-->

HARDENING

rapid cooling in hardening oil to achieve an appropriate structure ensuring improved hardness and strength, and reduced plasticity.
<!--:pl-->NAGRZEWANIE I WYGRZEWANIE<!--:--><!--:en-->heating and annealing<!--:--><!--:de-->Erwärmen und Ausheizen<!--:--><!--:ru-->orus<!--:--><!--:es-->calentamiento y recocido<!--:-->

TEMPERING

heating and annealing in an appropriate hardened steel temperature to eliminate unfavorable features: residual stresses and considerable brittleness.
<!--:pl-->PROCES KULOWANIA<!--:--><!--:en-->SHOT PEENING<!--:--><!--:de-->KUGELSTRAHLEN<!--:--><!--:ru-->ДРОБЕСТРУЙНАЯ ОБРАБОТКА<!--:--><!--:es-->GRANALLADO<!--:-->

SHOT PEENING

the spread surface of the leaf is impacted at high speed with cuttings of hard steel wire, in order to harden the surface, eliminate pores and pits, and prevent micro-cracking.
<!--:pl-->PROCES MONTAZU<!--:--><!--:en-->ASSEMBLY PROCESS<!--:--><!--:de-->MONTAGEPROZESS<!--:--><!--:ru-->orus<!--:--><!--:es-->PROCESO DE ENSAMBLAJE<!--:-->

ASSEMBLY

the spring is equipped with bushings, bumpers, spacers, washers and other elements; the leafs are brought together by a pulling screw.
<!--:pl-->OSADZANIE I KONTROLA SZTYWNOŚCI<!--:--><!--:en-->SETTING / SPRING RATE TESTING<!--:--><!--:de-->FEDERN AUFSETZEN UND DIE FESTIGKEIT KONTROLLIEREN<!--:--><!--:ru-->ЗАКРЕПЛЕНИЕ И КОНТРОЛЬ ЖЕСТКОСТИ<!--:--><!--:es-->COLOCACIÓN Y CONTROL DE LA RIGIDEZ<!--:-->

SETTING / SPRING RATE TESTING

fatigue strength of the spring is improved, and its spring rate is verified against design documentation.
<!--:pl-->MALOWANIE PIÓR<!--:--><!--:en-->PAINTING OF LEAFS<!--:--><!--:de-->LACKIEREN<!--:--><!--:ru-->ПОКРАСКА ЛИСТОВ<!--:--><!--:es-->PINTADO DE HOJAS<!--:-->

PAINTING OF LEAFS

the spring is protected against corrosion by coating with a special paint.
<!--:pl-->PAKOWANIE I WYSYŁKA<!--:--><!--:en-->PACKING AND SHIPPING<!--:--><!--:de-->VERPACKUNG UND VERSAND<!--:--><!--:ru-->orus<!--:--><!--:es-->EMBALAJE Y ENVÍO<!--:-->

PACKING

leafs and springs are placed on a pallet, secured with a tape and shipped to the customer.