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Why do I need a guide flange?
Although more common in unwinding, guide flanges may also be used in rewinding. In both cases they are used to control roll telescoping. Roll telescoping is when material becomes misaligned. Rolls may
Do I need guide flange for the front (roll loading side) and rear?
Most commonly only a rear guide flange is used. Some rolls of material are very delicate and /or loosely wound and / or very narrow therefore they must be contained between a front and rear guide flan
How do guide flanges mount to the chuck?
Front (roll loading side): Removable / Adjustable: The guide flange is mounted to a locking collar which clamps to the core chuck. Normally it is best to lock to the non- expanding / non-gripping p
Is there a variation of the guide flange that is a moveable core stop?
A movable core stop offers the benefit of stopping the roll in the same position each time the roll is loaded. It does not offer the support and guidance a guide flange provides.
Can I use a JRC guide flange on a different manufacturers core chuck?
Yes. In order to assure proper fitment: Send a drawing / sketch of the core chuck or Send the core chuck.
Should I use aluminum or clear Polycarbonate (Lexan) Guide Flange?
Clear Polycarbonate allows operator to observe roll during web processes. Clear Polycarbonate is lighter and therefore provides low inertia. Aluminum is stronger and less flexible. Viewing slots
Can the front and/or rear guide flange be adjustable?
Both the front and / or rear may be fixed or adjustable.
Can I order a STD Series JRC Air Core Chuck using the "Numbering System for Ordering" ?
Air Chucks & Shafts Yes. We fully support the legacy part numbers. Please see below. STD Series Air Chucks & Shafts Advantages of A
Can I order a JRC Mechanical Core Chuck using the "Numbering System for Ordering" ?
Yes. We fully support the legacy part numbers. Please see below. Quick-Locking Mechanical Chucks & Shafts   In addition to our line of air expanding chucks and shafts,
What if my roll width changes?
Rear Justified (Fixed edge of web): If the dimension from the mounting plate to the edge of web is constant, a fixed rear and removable front guide flange may be used. Center Justified (Fixed
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