Metal expander rollers are known for comprising hard chrome surface. The surface makes the roller highly suitable for speedy applications for paper industries. Particularly, these rollers are suitable for manufacturing calendars, poop reels and re-winders.
Metal Expander Roller Plays an Important Role in Wear and Tear
High-speed machines where wearing and tearing are common, metal expander roller plays a very important role. The metal is utilized for wrinkle removal, after slitting to separate slits. This particular type of roller comprises of heavyweights and paper tension itself for driving the roll.
It is done for driving the expander roller in a smooth manner. The exclusive construction inside makes it high-weighted! Sometimes, it requires extra drivers and pulleys for driving. The two different types of rotating types in metallic bow roller include the following:
- Individual segment
- Single piece
What are the Requirements for Ensuring Best Results?
At the time of operation, it must be ensured that the lead out distance is not more than thrice the diameter of the expander roller. For best results, the bow roller must be perpendicular to the web direction.
Source: https://arvindrubber.wordpress.com/2020/07/27/valid-reasons-how-metal-expander-roller-is-the-best-for-slitting/
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