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 fla
How do core chucks & core shafts work? All core chucks & core shafts rely on the same principle of expanding to create friction between the core and the gripping device (core chuck). The core chucks are expanded either by compressed air v
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
How do I deflate an air chuck or air shaft? Manually:
A-1360 air valve is deflated by pressing A-1404 air gun partially down.
A-1597 air valve may be deflated by pushing with finger.
Automatically:
Air inflating switch assembly is d
How do I inflate an air chuck or air shaft? Manually
A-1360 air valve is actuated by pressing on the valve with the A-1404 air gun
A-1597 air valve is actuated by pushing the rubber tip against the valve, squeezing the handle and quickly
How Do I Send a Part for repair? Repairs
Core Chucks and ShaftsJRC Web Accessories offers two different factory repair services to keep your core chucks and shafts running smoothly.
Factory Repair:
Standard
How Do I use oversize cores with a JRC Mechanical Chuck?
JRC QUICK LOCKING MECHANICAL CHUCK
Adding Shims to accommodate oversize cores
Please refer to drawing # B-3173
1. With Phillips head screwdriver, remove flat head screws in retainer-gripper.
2
How wide of a roller should I choose? Face width should be at least 1” greater than the maximum web width. This allows for some wander and misalignment.
