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BOCCA MALANDRONE SUNEBO S.p.A.

Centerless Grinders and Special Machine Tools

 


 

 

 

 

BMS Straightening Machine

 

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BMS STRAIGHTENING MODELS

BMS Straightening Machine family is composed by 4 machines according to wire diameters:

 

 

MACHINE DENOMINATION

PRODUCTION RANGE

MAPRABAR 332/4

Diameter 4 - 10 mm

MAPRABAR 333

Diameter 8 - 20 mm

MAPRABAR 334

Diameter 16 - 35 mm

MAPRABAR 334/B

Diameter 22 - 38 mm

 

 

 

ADVANTAGES of BMS MAPRABAR over traditional STRAIGHTENING MACHINES

 

         Elimination of all the damages of the internal structure of the steel, due to the patented straightening system with helicoidal deformation instead of normal vertical and horizontal deformation

         The straightening bushes are standardized for all the diameter, made in tempered steel, are friction free with no mechanical wear of bushes

         The machine does not require any setting up between wire coils of the same diameter

         Set up time, in the same range of diameter, is to manually adjust the inclination and position of bushes

         Bar output speed is constant, so is possible to obtain a regular productivity

         Due to friendly use and reduced setting up time, is possible to drive two machines (one right and one left) with one operator

         Shearing machine, with 100mm (4) stroke, follows the bar during cutting, therefore the danger of breakages is avoid

         It is possible to straighten also raw rolled bars (no cooked bars required)

         Straightness: black material (drawn) +/- 0,2 mm/linear meter bright material (rolled) 0,1 mm/linear meter (0,0048 inches/linear foot 0,0012 inches/linear foot)

         Tolerance on diameter: +/- 0,05 mm (0,002 ).

         Tolerance on cut: +/- 5 mm/m (0.06 inches/foot).

         Up to 32 mm, hardness up to 100 kg/mm2.

         From 32 to 38 mm, hardness up to 80 kg/mm2.

         From 38 to 40 mm hardness up to 50 kg/mm2.

 

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