SMI s.r.l. Sistemi Meccanici Industriali

The multi track hairpin benders, of the "FAM" series, have a completely automatic  work cycle and is utilized for the manufacture of products called “Fixed radius HAIRPINS”.
The only one of its kind, the machine is FULLY ELECTRIC taking full advantage of the power, the precision and the modularity of its brushless motors that are capable to produce hairpins of different lengths with an insignificant set-up time, respect to traditional  machines.

Ask us more info concerning its details:

• SKY LIGHT DECOILER
• TUBE-DETECTING DEVICE
• SYNCRONIZED UNLOADER
• STAIGHTENING GROUP
• BENDING ARMS

This series of expanding machines have been designed and built to expand both, tubes and hairpins with the same machine set-up, made from copper and stainless steel of different diameters and wall thicknesses, handled by seven brushless motors with NC.

To allow this, the expanding rods are entirely embedded in a fully wrapped anti-friction guiding system, that controls their forward & backward movements during the entire expanding process.

This unique solution, while permitting a high expansion speed, considerable working power, easy switch over between the push and the pull systems, immediate pitch change, guarantees the integrity of the expansion rods, avoiding distortion and stress during the process.

Look at the catalogue and at the great advantages of this series, beside Flexibility, Versatility and Hairpin reduced overhang.

This machine is used to close, expand or reduce the ends of light alloy tubes. The end-forming operation is obtained by specially designed rotating tools, which heat the tube due to their rotation before deforming the extremeties. The exclusive “end-forming and closing” system is based on keeping the tube still and therefore allows to safety deform, with no limitation whatsoever, even already bent tubes, tubes with welded sleeves and of any length. The very short set-up time permits conveniency of machine use even if for very few pieces.

The drilling machine mod. FRC 900 4M is fully automatic and is often used to drill-mill tubes made of non-ferrous metal alloys with a max. w.t. of 6,5 mm. and ferrous tubes.

Appropriate use of the machine allows the drilling of manifolds in general, but in particular those with the following shapes:

1. Straight pipes still to be closed at the ends;
2. Straight pipes open at both or just one end;
3. Pipes bent at 90°;
4. Pipes with perpendicular off-centre holes;
5. already welded manifolds.

This machine is studied to straighten and cut - with orbital system - copper, aluminium, light alloys and steel tubes, starting from coils. The particular pneumatic pull-apart cutting system, thanks to its high power, guarantees burr-free and chipless cuts.

The major advantages are the rapid adjustment to different tube diameters and an exclusive system for bringing the cutting knife to the required depth in a very short time.

The MTS machine is “Modular” because it is studied to be easily coupled with a vast range of optional operative units as for example a PNP 16 unit that bends tubes and a PNC 16 that crimp/end-shapes the tube.