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BLACK ROCK MACHINERY LLC.

 

    

Dynamic SP Series Cradle Straighteners

 

•The cradle is built with a heavy steel fabrication

•Four vertical coil support rolls mounted on side plates that are hydraulically adjustable to the coil width for guiding

•4 cradle rolls driven from the straightener drive system

•The front of the cradle box is open to ease coil loading into the cradle area

•Electric system designed for safety, reliability, and working comfort

•All electrical control components mounted in operator’s console type enclosure

•Centralized hydraulic system with manifold valves and pressure controls

•9 work roll straightening head

•2 entry pinch rolls

•Work rolls are hardened (58/60 HRC) and ground solid steel

•6 lower work rolls are driven

•Gears bathed in oil

•Idler gear shafts supported on both ends

•AC motor variable frequency drive

•Speed regulation by sonar loop control for synchronised strip speed with feeder

•Straightener head opens approximately 8 inches for threading and cleaning

•Work roll depth powered by hydraulic motors with digital roll position indicators

•Hydraulic Peeler Table on straightener entrance to bridge gap from coil for threading

•Powered Hold Down Arm to secure out wrap during threading with wheel

•Threading table pivots from straightener and extends over loop area, hydraulic powered

•Entry straightener guides, self-centring guides to align the strip.

•Straightener capacity is base on mild steel, higher tensile proportionately lower

 

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