k span rollforming machine 1.Rollers are made by 45# steel plated with hard chromium. The length of the finished sheet is measured by the electronic measurement instrument or mechanical measurement instrument. Our machine has protective covers for the cutting motor and cutting part. Our shafts and rollers are both solid. 2.Operation: coil stock enters panel forming machine-formed straight panel-straight panel entry to panel curving machine-curved building panel. In addition we will provide you all the relevant accessories for free, with which you can begin to do projects immediately. 3.We can also send a site supervising group to your site and do the construction for you.Our technicians have been to Ukraine, India, Pakistan, Guinea, etc. we can offer 13 types of k span roll machine, their differeance are based on feeding-charging width and maxmium span TYPE Widthofthecoil (mm) Widthofthefinishedsheet (mm) Thedepthofthegroove (mm) Thicknessofthecoil (mm) Maxspan Useratio BH-600-305 600 305 109 0.6-1.5 ≤35m 51% BH-600-300 600 300 100 0.6-1.5 ≤32m 50% BH-914-400 914 400 210 0.6-1.5 ≤40m 43.8% BH-914-610 914 610 203 0.6-1.5 ≤42m 66.7% BH-914-650 914 650 181 0.6-1.5 ≤26m 71.1% BH-914-700 914 700 123 0.6-1.5 ≤22m 76.6% BH-914-750 914 750 180 0.6-1.5 ≤14m 82% BH-1000-610 1000 610 243 0.6-1.5 ≤39 61% BH-1000-680 1000 680 223 0.6-1.5 ≤30m 68% BH1000-700 1000 700 175 0.6-1.5 ≤25m 70% BH-1000-750 1000 750 138 0.6-1.5 ≤28m 75% BH-1000-800 1000 800 114 0.6-1.5 ≤14 80% BH-1250-800 1250 800 320 0.6-1.5 ≤45m 64%