Product Description The machine automatically adjusts the swing angle of the idler wheel combination in accordance with work piece diameter .No manual adjustment is needed. All four wheels on the master support move by gear meshing so that a four-wheel drive is enabled . All idler wheels have a large load and driving capacity as they are the combination of steel and glues . The imported transducer controls the stepless regulation .Large Range .Big startup motion .High precision. Operation by hand control box is simple and reliable .As there is linkage interface, products of the companies can work in combination with our control system on the operating machine.. ModelBearing(T)LinearVelocity(mm/min)Workpiece Diameter(mm)RobberDiameter(mm)Size(mm)WeightkgZT-55100-1000450-30002502200×600×7501300ZT-1010500-45003502250×640×7501350ZT-15152250×700×8001500ZT-20202250×800×9401640ZT-30302540×800×9501760ZT4040900-52004253350×1290×10253400ZT-50503350×1290×10253600ZT-60603350×1290×10253900ZT-80801000-68005504190×1360×17608800ZT-1001009990If Bearing more than 100T, we can design and manufacture it as requirement.