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Sheet metal Hot Stamping / Press hardening

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Location of the company

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Manufacturing facilities

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General presentation 

RANGE OF PRODUCTS  

Registered trademark : « LOIRSAFE ». Design, machining, mechanical and hydraulic assembly,starting up, etc…. : 

Hydraulic Presses.         

Sheet metal Hot Stamping. Cold sheet metal Drawing / Stamping. Try out. Aircraft (Hydroforming, drawing against rubber pad, etc….). Lines of Presses. Forging. Railways. Plastic compression / moulding. Automation of presses.

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LOIRE SAFE - Award certificate



Award received from the company BENTELER GmH. (Germany) as BEST SUPPLIER OF THE YEAR 2.003 for CAPITAL GOODS

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Hot Stamping - History   

The automotive industry starts to use this process in 80. LOIRE SAFE supplied the first line in 1.998. Nowadays there are more than 100 production hot stamping lines around the world.

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Hot Stamping - Process     

Blanks are heated to 950 Âş C in a furnace. The heating time is important to achieve the proper material structure. The heated blank must be loaded into the press a.s.a.p. to avoid cooling of the material. The press has to close , draw the part and keep it closed for several seconds. During this time, the cooling circuits in the upper and lower dies are cooling the part to 200ÂşC (≈). www.loiresafe.com


Hot Stamping - Material

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Hot Stamping  Advantages

of Hot Stamping:

High tensile strength.  Reduction of the part weight.  Improvement of mechanical characteristics.  High dimensional stability, no springback.  Reduction on the required press force (400 – 1.200 mT. for Hot Stamping instead of 2.500 mT. for Cold stamping). 

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Typical hot forming parts 

B – Pillar



A – Pillar



B – Pillar reinforcement



Door reinforcement



Bumper



Dachrahmen / roof frame



Pedaltopf www.loiresafe.com


Hot Stamping Lines - References

EUROPE : 18 AMERICA : 4

ASIA : 1

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Line lay out – several possibilities

Blanks loading area

Furnace

Press feeding

Hydraulic Press

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Unloading area


Trimming Lines 

The pieces produced by Hot forming must be finished (holes punching, auxiliary cuts, etc‌.) in finishing Presses also supplied by LOIRE SAFE.

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Hydraulic Presses

Ziku単aga 22 20.120 HERNANI Spain Tel. : + 34 943 33 12 14. Fax : + 34 943 55 73 09. E-mail : comercial@loiresafe.com Web site : www.loiresafe.com

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Expert_Hot stamping_presshardening_ Loiresafe  

Sheet Sheet metal metal www.loiresafe.com Location of the company www.loiresafe.com Manufacturing facilities www.loiresafe.com

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