RoboSlit® with a dual turret rewind and 45 seconds changeover

The ROBOSLIT ® is a dual turret, overhead path Slitter Rewinder which nearly doubles productivity by cutting down rewind change over time to a small fraction of that on conventional duplex slitter rewinders.

In combination with the motorized ejector and one touch finished reels off loader, the dual turret mechanism introduces a rhythm and sequence in the production cycle which deskills the single operator required to handle the machine, ensuring the realization of forecast output levels consistently.

Specifications of RoboSlit

Position, type of unwind Separate, floor lifting
Maximum web width 1300 mm
Maximum unwind diameter 1000 mm
Unwind core inner diameter 76 mm and 152 mm
Maximum rewind diameter 500 mm
Rewind core inner diameter 76 mm (152 mm/ 70 mm on request)
Minimum slit width 50 mm (25 mm)
Maximum machine speed 700 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, on a horizontal carriage
Slit reel displacement By pneumatic retraction of support arms and motorised ejection; release of reels aided by slow reverse rotation of shafts
Off loader type Swivel arms
On request- one touch off loader to transport the ejected reels to floor/ pallet level
Drive 4 nos. vector controlled servo motors for unwind, main and dual turret 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
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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