National NR7216 Power Roll Forming Machine



NationalPower Roll Forming Machin UNR-4816,NR-7216 National’s 3″ and 4″ power rolls are designed for simple operation. Standard with forward and reverse drum switch. Quick release upper roll. Positive chain drive. Heavy duty gear box. Front guard for additional safety. Heavy duty stand is standard.Nationals rolls incorporate three precision turned, ground, and polished high carbon steel rolls. Extra heavy duty end frames with quick release handle on the right front for speedy production forming.The drive train is powered with a heavy duty precision reduction gear box to assure durability and long life. The electric panel and gear box are housed in a ventilated stand for protection.Precision roll adjustment is achieved by turning the hand wheel on the left end of the roll. Repeatability is maintained by the forming scale above the hand wheel.3 Year Warranty – Made in USASpecifications Model NR-4816 NR-7216 Capacity(Tensile Stregnth 55,000 lbs. @ rated capacity) 16 Gauge: 1.6mm 16 Gauge: 1.6mm Maximum Forming Length 48 1/4/1226mm 72 1/4/1835mm Diameter of Roll 3/76mm 4/102mm Minimum Forming Radius 1 1/2/38mm 2/51mm Wire Grooves (Optional) 3/, 1/2, 5//10mm, 13mm, 16mm 3/, 1/2, 5//10mm, 13mm, 16mm Roll Speed 18 rpm/14.13 sfpm 18 rpm/14.13 sfpm Motor: 110-220 Single PH208-220-440 3 PH 1 hp 1 hp Floor Space (l x w x h) 64x 37x 44 1/21626 x 940 x 1130mm 8 x 26x 43 3/42335 x 660 x 1111mm Shipping Weight 970 lbs/440 kgs 1740 lbs/814 kgs

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