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Doctoring Machine

DOCTORING MACHINE

Flex Doctoring machine has been specially designed to salvage / rectify printed / unprinted substrate after slitting. The Doctoring Machine, is of cantilever construction, so that the loading of the parent reel and unloading of the rewound reel is both, convenient and easy. Both the rewind and unwind shafts are mechanically expandable and therefore, the core locking and unlocking can be effected by screwing and unscrewing a pair of nuts.

A pair of precision-machined steel plates, braced together with tie rods and channel section base, forms the support structure of the machine.

The unwind shaft along with the necessary braking drum is located on sliding plate which can oscillate freely on linear motion ball bearings. The desired braking torque on the unwind reel can be applied through a powder brake, which is controlled by tension controller. Required tension on particle brake can be adjusted by a multi-turn potentiometer provided on main control panel. Requisite number of web support rollers is provided for smooth web flow before the rewind shaft.

The web path itself has been so designed that the sensor of the ' Pneumo Hydraulic Web Guide ' can be conveniently adjusted as per requirement.

'Ink Jet Printer' can also be mounted on the machine & fixture for mounting of Eye mark sensor with movement is provided for proper setting. A stainless steel plate is provided under the web, near printer head & eye mark sensor for specific jobs.

Technical Sophistication

Maximum width of parent reel

400 mm

Maximum parent reel DIA

400 mm

Maximum rewind reel DIA

400 mm

Maximum Design Speed 120 meter/min
Core size at unwind & rewind 76 mm (3").D.Cores
Unwind & Rewind shaft Mechanical Expanding type
Drive 3 HP Eddy Current variable speed
drive with controls.
Unwind Brake Powder Brake with Manual Tension Controller
Floating type Unwind with Pneumo Hydraulic Edge Guide Complete with power pack sensor & controls with 0.37 HP AC Motor

Description and Specification of the machine are subject to change without prior notice.

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Copyright Flex Engineering Ltd. 2004