Cold forming sheet metal

Cold forming is a high speed production process by which a section of sheet metal is cut to precise dimensions and then placed in a series of moulds in which it is deformed at high speed to obtain the desired shape. Larger/smaller diameter, larger/smaller length or removal of material by cutting and/or perforating.

The material is deformed beyond the elastic limit and then assumes the form of the mould. The material is not pushed however beyond the yield point (breaking load) in order to avoid fracture. The only exceptions are the cutting and/or perforating operations.

The material does not reach the recrystallising temperature but it does however undergo strain hardening. Cold forming traditionally has remained at the level of a technology based on experience. This has been changing since electronic data processing has made it possible to use increasingly sophisticated programs for analysis and finite element simulation.

Advantages of cold forming:

Speed

Finished/almost finished form and consequent limitation or elimination of secondary working

Constancy of the process and dimensional precision

Surface quality and finish

Saving of raw material and reduction / elimination of wastage

Improvement of the mechanical properties of the finished product, better weight/strength ratio, retention of fibrous structure.

Thanks to these characteristics, cold forming is a valid alternative to forging, casting, sintering, turning, welding, deep drawing or synthetic / composite products.

 

Suitable materials for cold forming

The materials that can be cold formed are:

Carbon steels – stainless steels – steel alloys – aluminium – brass – copper – bronze – nickel alloys – precious and semi-precious metals – lead – aeronautical alloys.

In particular, we are equipped for:

  • cutting
  • re-working with compound dies

In addition to these, FLAGE is proud of its established experience in progressive die stamping made possible by the quality and variety of the company’s machinery. Progressive die stamping enables us to work the material gradually and systematically using a series of intermediate working steps that gradually make the necessary modifications.

Cold forming sheet metal

Cold forming is a high speed production process by which a section of sheet metal is cut to precise dimensions and then placed in a series of moulds in which it is deformed at high speed to obtain the desired shape. Larger/smaller diameter, larger/smaller length or removal of material by cutting and/or perforating.

The material is deformed beyond the elastic limit and then assumes the form of the mould. The material is not pushed however beyond the yield point (breaking load) in order to avoid fracture. The only exceptions are the cutting and/or perforating operations.

The material does not reach the recrystallising temperature but it does however undergo strain hardening. Cold forming traditionally has remained at the level of a technology based on experience. This has been changing since electronic data processing has made it possible to use increasingly sophisticated programs for analysis and finite element simulation.

Advantages of cold forming:

Speed

Finished/almost finished form and consequent limitation or elimination of secondary working

Constancy of the process and dimensional precision

Surface quality and finish

Saving of raw material and reduction / elimination of wastage

Improvement of the mechanical properties of the finished product, better weight/strength ratio, retention of fibrous structure.

Thanks to these characteristics, cold forming is a valid alternative to forging, casting, sintering, turning, welding, deep drawing or synthetic / composite products.

 

Suitable materials for cold forming

The materials that can be cold formed are:

Carbon steels – stainless steels – steel alloys – aluminium – brass – copper – bronze – nickel alloys – precious and semi-precious metals – lead – aeronautical alloys.

In particular, we are equipped for:

  • cutting
  • re-working with compound dies

In addition to these, FLAGE is proud of its established experience in progressive die stamping made possible by the quality and variety of the company’s machinery. Progressive die stamping enables us to work the material gradually and systematically using a series of intermediate working steps that gradually make the necessary modifications.