• Šumer d.o.o., Cesta v Celje 2, 3202 Ljubečna
  • info@sumer.si
  • +386 3 780 62 10
Šumer d.o.o.

Wire Forms & Bent Elements

Šumer d.o.o. manufactures wire forms, meaning bent and curved elements made from spring wire and other wire grades, in wire diameters from 0.05 mm to 25 mm. Our company has a tradition of more than 40 years in the field of springs. The know-how and experience we have built up put us among the leading suppliers of wire forms and springs.

Machinery for wire forms

We manufacture curved elements on modern machines that monitor product quality in real time using electronic sensors.

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Dimensions are available in the range 0,05 mm – 25 mm.

Wire cross-sections

  • round,
  • flat,
  • ellyptic,
  • rectangular,
  • other

Materials for wire forms

  • Patented spring wire SH, DH,
  • galvanised spring wire SH, DH,
  • spring steel for refinement,
  • oil-treated alloy spring steels for high dynamic loads (VD SiCr, VD CrV, FD SiCr),
  • stainless spring steels (X12CrNi177),
  • non-spring drawn steel wire of all grades

Example of incorporation of curved elements as a semi-finished part in the final product:

 

Car seat wire frame

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Surface protection for wire forms

We offer the following types of protection:

pre-protected wire (Zn, AlZn, Cu,…), phosphating, electroplating, KTL paint, powder coating, heavy protection Zink flake coating (dacromet, doerken…)