Used DUSENBERY 835 -30 | Slitters & Perforators, slitter rewinder

63” Wide used Dusenbery Model 835 duplex cantilevered slitter rewinder

Unwind diameter: 40”

Unwind shafts: 3" & 6” diameter unwind shafts included.

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.

The slitting section is razor in the grove slitting with dovetail razors holders, can be changed to shear cut if needed.

The pull rolls and idlers are rubberized cork covered.

Automatic rewind taper/tension control.

Max Rewind diameter: 30" with pneumatic top riding rolls.

Rewind shafts: 3" & 6" diameter full differential ball lock shafts with 1" wide segments.

Top riding rolls are pneumatically loaded.

Finished rolls are off loaded onto the doffing tree. Previous owner added a finished roll push off system.

A two motor, DC drive runs this machine to speeds up to 1000 FPM

Main drive is 10HP and rewind drive is 20HP. Spare motors in pictures are included.

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.

Power requirement 460v-3-60 80amps

Air supply 4 CFM at 90 PSI

Floor space required 16’ x 10’.