skillfactor-pipeline/skills/tyre-builder/references/tasks.md

Tasks & work activities — tyre builder

Source: O*NET 30.3, occupation 51-9197.00 (Tire Builders).

Task statements

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

Detailed work activities

• Align parts or workpieces to ensure proper assembly.
• Apply protective or decorative finishes to workpieces or products.
• Apply solutions to production equipment.
• Assemble tires.
• Clean workpieces or finished products.
• Cut industrial materials in preparation for fabrication or processing.
• Fill cracks, imperfections, or holes in products or workpieces.
• Inspect items for damage or defects.
• Load materials into production equipment.
• Measure product or material dimensions.
• Mount attachments or tools onto production equipment.
• Mount materials or workpieces onto production equipment.
• Smooth surfaces with abrasive materials or tools.
• Trim excess material from workpieces.