DSR RL with an integrated Rear loading unwind

The DSR RL (Rear Loading) slitter rewinder accommodates the unwind and duplex rewind sections on either sides of a common frame in a compact layout. Designed to run at speeds upto 600 m/min, this version is a frontrunner where floor space comes with a premium.

Specifications of DSR RL

Position, type of unwind Rear, integral, floor lifting
Maximum web width 1300 mm (1650 mm)
Maximum unwind diameter 1000 mm
Unwind core inner diameter 76 mm and 152 mm
Maximum rewind diameter 600 mm
Rewind core inner diameter 76 mm (152 mm/ 70 mm on request)
Minimum slit width 50 mm (25 mm)
Maximum machine speed 600 m/min
Materials handled Plastic films, flexible packaging laminates

Standard Features

Unwind Shaftless with motorised self centering
Unwind reel loading Electro mechanical unwind floor lift
Unwind reel rotation Bi-directional
Unwind tension control Servo motor and load cell feedback
Web guide equipment Digital line guide with a motorized actuator
Slitting technique Standard- pneumatically actuated Razor in groove, razor in air
On request- pneumatically actuated, tangential, spacer less rotary cutting mode for paper
Trim removal Standard- ventury blower, rigid air duct with traversable trim pick up points
On request - trim rewinder
Rewinding technique Differential rewinding through slippage of ball locks controlled through diameter feedback influenced by an adjustable taper
Lay on assembly "S" wrap, pneumatically pressured
Slit reel displacement Standard- by pneumatic retraction of horizontal sliding door and manual push; release of reels aided by slow reverse rotation of shafts
On request- motorized ejection of reels
Off loader type Pneumatically operated swivel arms
On request- one touch off loader to transport the ejected reels to floor/ pallet level
Drive 3 nos. vector controlled servo motors for unwind, main and rewind sections
Machine stop conditions Rewind diameter / unwind diameter / meterage counter / manual intervention / emergency
Rewind core positioning Laser assisted for upto 10 cores
Static management Elimination through use of active ionizing bars with HVAC power source for each rewind section
Operator interface Touch screen HMI- rewind and unwind ends

Possibility of Optional Features

Tangential, spacer less rotary cutting mode for paper and paper based laminates
Splice table at unwind for registered joints
Rewinding on 152 mm/ 70 mm ID rewind cores
Motorised ejector for displacing the rewind reels on to the off loader
One touch off loader to transport the ejected reels to floor/ pallet level
Trim winding unit for the compact accumulation of trim waste

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