Dusenbery 835 L3 63”

63” Wide used Dusenbery Model 835 L3 cantilevered slitter rewinder
Unwind diameter: 40”
One pneumatic 3” diameter unwind shaft.
The slitting section is razor in the grove slitting with
dovetail razors holders, can be changed to shear cut if needed.
The cantilevered rewind will accommodate a
24” diameter rewound roll with pneumatic top riding rolls.
The pull rolls and idlers are rubberized cork covered.
Automatic rewind taper/tension control.
Machine comes with a pair of direct friction air differential
3” rewind shafts.
Top riding rolls are pneumatically loaded.
Finished rolls are off loaded onto the doffing tree.
A two motor, DC drive runs this machine to
speeds up to 1000 FPM
Main drive is 10HP and rewind drive is 20HP
A pair of automatic pneumatic web tail clamps are included.
This system maintains tension on the web when
the machine is not running and during unloading to
help maintain tension on the web.
There are 4 cork covered pullrolls.
Two pullroll before slitting and two after slitting.
This pullroll configuration maintains proper tension during
slitting and isolates tension from the unwind and rewind.
The unwind has a automatic edge guide with +
/- 1.5” travel and remote fine adjustment at
the front and rear of the machine.
Unwind tension is closed loop control using load cells mount in
the rear of the machine and a Montalvo air cooled brake.
Power requirement 460v-3-60 80amps
Air supply 4 CFM at 90 PSI
Floor space required 16’ x 10’.