af05383bb1
Snapshot before the quality program (relevance gates, tiered mapping, QA linter). v1 is the immutable before/after reference; evidence crawl was at ~175/3039 occupations when tagged. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PDKeXvpT6tENSvyQGLV1Uq
58 lines
4.0 KiB
Markdown
58 lines
4.0 KiB
Markdown
# Tasks & work activities — yarn spinner
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Source: O*NET 30.3, occupation 51-6064.00 (Textile Winding, Twisting, and Drawing Out Machine Setters, Operators, and Tenders) — manual nearest-occupation mapping via ISCO group 8151; the official ESCO crosswalk has no entry for this ESCO occupation.
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## Task statements
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- **[Core]** Notify supervisors or mechanics of equipment malfunctions.
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- **[Core]** Start machines, monitor operation, and make adjustments as needed.
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- **[Supplemental]** Tend machines with multiple winding units that wind thread onto shuttle bobbins for use on sewing machines or other kinds of bobbins for sole-stitching, knitting, or weaving machinery.
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- **[Core]** Inspect products to verify that they meet specifications and to determine whether machine adjustment is needed.
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- **[Core]** Tend machines that twist together two or more strands of yarn or insert additional twists into single strands of yarn to increase strength, smoothness, or uniformity of yarn.
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- **[Core]** Replace depleted supply packages with full packages.
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- **[Core]** Observe operations to detect defects, malfunctions, or supply shortages.
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- **[Core]** Thread yarn, thread, or fabric through guides, needles, and rollers of machines.
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- **[Core]** Operate machines for test runs to verify adjustments and to obtain product samples.
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- **[Core]** Inspect machinery to determine whether repairs are needed.
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- **[Supplemental]** Place bobbins on spindles and insert spindles into bobbin-winding machines.
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- **[Core]** Record production data such as numbers and types of bobbins wound.
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- **[Core]** Stop machines when specified amount of products has been produced.
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- **[Supplemental]** Study guides, samples, charts, and specification sheets, or confer with supervisors or engineering staff to determine setup requirements.
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- **[Supplemental]** Measure bobbins periodically, using gauges, and turn screws to adjust tension if bobbins are not of specified size.
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- **[Supplemental]** Install, level, and align machine components such as gears, chains, guides, dies, cutters, or needles to set up machinery for operation.
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- **[Supplemental]** Tend spinning frames that draw out and twist roving or sliver into yarn.
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- **[Supplemental]** Unwind lengths of yarn, thread, or twine from spools and wind onto bobbins.
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- **[Supplemental]** Observe bobbins as they are winding and cut threads to remove loaded bobbins, using knives.
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- **[Supplemental]** Adjust machine settings such as speed or tension to produce products that meet specifications.
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- **[Supplemental]** Clean, oil, and lubricate machines, using air hoses, cleaning solutions, rags, oilcans, and grease guns.
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- **[Supplemental]** Remove spindles from machines and bobbins from spindles.
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- **[Supplemental]** Repair or replace worn or defective parts or components, using hand tools.
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## Detailed work activities
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- Clean production equipment.
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- Conduct test runs of production equipment.
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- Cut fabrics.
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- Exchange information with colleagues.
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- Feed materials or products into or through equipment.
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- Inspect production equipment.
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- Inspect textile products.
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- Install mechanical components in production equipment.
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- Load materials into production equipment.
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- Lubricate production equipment.
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- Maintain inventories of materials, equipment, or products.
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- Measure dimensions of completed products or workpieces to verify conformance to specifications.
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- Monitor equipment operation to ensure proper functioning.
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- Mount attachments or tools onto production equipment.
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- Mount materials or workpieces onto production equipment.
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- Notify others of equipment repair or maintenance needs.
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- Operate textile cutting or production equipment.
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- Record operational or production data.
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- Remove accessories, tools, or other parts from equipment.
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- Remove products or workpieces from production equipment.
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- Repair production equipment or tools.
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- Replace worn equipment components.
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- Set equipment controls to meet cutting specifications.
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- Study blueprints or other instructions to determine equipment setup requirements.
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- Watch operating equipment to detect malfunctions.
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