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Power Roll Forming Machine: 3 Year Warranty Made in USA Call us for lead times 877-528-2809National'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.National’s 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. |
| Specifications | |||
| 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) | 3/8”, 1/2”, 5/8”/10mm, 13mm, 16mm | 3/8”, 1/2”, 5/8”/10mm, 13mm, 16mm | |
| Roll Speed | 18 rpm/14.13 sfpm | 18 rpm/14.13 sfpm | |
| Motor: 110-220 Single PH 208-220-440 3 PH |
1 hp | 1 hp | |
| Floor Space (l x w x h) | 64” x 37” x 44 1/2” 1626 x 940 x 1130mm |
88” x 26” x 43 3/4” 2335 x 660 x 1111mm |
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| Shipping Weight | 970 lbs/440 kgs |
1740 lbs/814 kgs |
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