National's 3" and 4" power rolls are designed for simple operations. 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 a long life. The electrical 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.
Capacity 16 Gauge: 1.6mm
(Tensile Stregnth 55,000 lbs.
@ rated capacity)
Maximum Forming Length 48 1/4/1226mm
Diameter of Roll 3/76mm
Minimum Forming Radius 1 1/2/38mm
Wire Grooves (Optional) 3/8, 1/2, 5/8/10mm, 13mm, 16mm
Roll Speed 18 rpm/14.13 sfpm
Motor: 110-220 Single PH 1 hp
208-220-440 3 PH
Floor Space (l x w x h) 64 x 37 x 44 1/2
1626 x 940 x 1130mm
Shipping Weight 970 lbs/440 kgs
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