Description Overview Inventory number: E-6642 28" Ramisch Kleinewefers type RKK 420 lab calender Year 1986 Was used for thermo bonding 4 roll calender can be used to thermo bond nonwovens 4 roll calender with unwind and rewind Unwind And Rewind 1 unwind, 54" diameter No unwind shaft Single position single drum surface rewinder 60" diameter rewind (2) 3" rewind shafts included Typical operating speed is 200 fpm Has dovetail bar set up for air score slitting No knives are included Roll Specifications 4 hydraulically loaded steel rolls 29" face width by 16" diameter All are heated rolls Peripherically drilled Micrometer gap adjustments on each side of each roll 2 driven pull rolls which are also heated 26" wide aluminum idlers throughout Steel rollers are hardened and hot-ground Hydraulic And Heating System A hydraulic pump included as well as a Capitrol Temptrol two zone oil heater Model HT-2-72/5, 7.5 hp pump, 460 volt, 60 cycle, 3 phase Recirculating oil heater, 2 zones, each zone is 72 kw, 3400 btu's per kw Pump hp is 7.5 Oil can be heated to 600 degrees f, 80 gp max, 50 psi Calender equipped with continuous flood oil system to all bearing blocks Drive And Controls Equipped with Durant electrical counter and a mechanical counter Main drive is a 20 hp dc motor to a gearbox which drives the calender rolls Equipped with a Spectrum I solid-state dc drive, 480 volt, 3 phase, 60 cycle Dancer roll controls the speed Speed is 30 fpm min to 330 fpm max Pressure is 1370 pli max Spares Included 4 extra steel rolls, 29" wide by 16" diameter 4 sets of new bearing blocks complete, in the box as they shipped from Germany 2 cotton rolls, 24" wide by 16" diameter with new bearing blocks Operational Details Can be operated using all 4 steel rolls or cotton, steel-to-steel, cotton configuration Previously been used for thermo bonding 20" wide non-wovens Allows for bonding of nonwovens on either side, front and back side of web Allows for pressures infinitely adjustable for minimum to maximum values USA
