Occupation: Tire Builders

Tire Builders

Operate machines to build tires.

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Build semi-raw rubber treads onto buffed tire casings to prepare tires for vulcanization in recapping or retreading processes.
Trim excess rubber and imperfections during retreading processes.
Fill cuts and holes in tires, using hot rubber.

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Place tires into molds for new tread.
Fit inner tubes and final layers of rubber onto tires.
Buff tires according to specifications for width and undertread depth.
Brush or spray solvents onto plies to ensure adhesion, and repeat process as specified, alternating direction of each ply to strengthen tires.
Start rollers that bond tread and plies as drums revolve.
Align treads with guides, start drums to wind treads onto plies, and slice ends.
Inspect worn tires for faults, cracks, cuts, and nail holes, and to determine if tires are suitable for retreading.
Measure tires to determine mold size requirements.
Roll hand rollers over rebuilt casings, exerting pressure to ensure adhesion between camelbacks and casings.
Position ply stitcher rollers and drums according to width of stock, using hand tools and gauges.
Cut plies at splice points, and press ends together to form continuous bands.
Depress pedals to rotate drums, and wind specified numbers of plies around drums to form tire bodies.
Clean and paint completed tires.
Rub cement sticks on drum edges to provide adhesive surfaces for plies.
Depress pedals to collapse drums after processing is complete.
Wind chafers and breakers onto plies.
Pull plies from supply racks, and align plies with edges of drums.