A professional who tends machine that applies layers of vulcanized rubber onto metal rollers to fabricate or recondition rubber rollers used in industrial machines. Responsibilities include:

• Reviews work order to identify type of roller to be covered and type, color, and thickness of vulcanized rubber to be applied onto metal roller.
• Measures metal roller, using tape measure, to verify dimensions with work order.
• Transports and mounts roller between holding devices of roller building machine, by hand or using overhead crane, working as team member.
• Carries, mounts, and loads roll of vulcanized rubber stock onto feed mechanism of machine.
• Depresses floor pedals to start feed mechanism and to start building machine that applies layers of vulcanized rubber around metal roller.
• Observes application of rubber around roller to detect air bubbles.
• Releases floor pedals to stop application of rubber, punctures air bubbles using knife, and applies pieces of rubber to airholes to seal holes.
• Measures thickness of rubber application, using calipers.
• Cuts rubber between roller and feed mechanism, using hot knife, and seals seam to roller, using stitching wheel.
• Trims rubber that laps over edges of roller, using knife.