{
  "schema_version": 1,
  "id": "pcr.metal-products-machinery-and-equipment.special-purpose-machinery.industrial-knitting-machinery",
  "title": {
    "en-US": "Industrial single-jersey circular knitting machinery manufacture",
    "zh-CN": "工业单面圆纬编机械制造"
  },
  "status": "candidate",
  "pcr_kind": "product_category_rule",
  "content_maturity": "authored_methodology",
  "version": "0.1.0",
  "domains": [
    "metal-products-machinery-and-equipment"
  ],
  "modules": {
    "core": [
      "pcr-minimum-content",
      "unit-of-analysis",
      "reference-flow",
      "inventory-flow-taxonomy",
      "system-boundary",
      "allocation",
      "data-quality",
      "validation-rules"
    ]
  },
  "target_entities": [
    "flow",
    "process",
    "lifecyclemodel",
    "dataset"
  ],
  "languages": {
    "canonical": "en-US",
    "available": [
      "en-US",
      "zh-CN"
    ]
  },
  "translation_status": {
    "zh-CN": "aligned"
  },
  "classification_refs": [
    {
      "system": "CPC",
      "version": "3.0",
      "code": "44613",
      "title": "Knitting machines, stitch-bonding machines, machines for making gimped yarn, tulle, lace, embroidery, trimmings, braid or net and machines for tufting",
      "mapping_type": "narrower"
    }
  ],
  "review_metadata": {
    "scientific_review": "pending",
    "semantic_boundary_decision": "New complete large-diameter single-jersey circular weft-knitting machine manufacturing record, configurations and delivered modules separated. Existing material weaving-machines-looms PCR covers warp/weft interlacing, not knitted loop formation. Exclude warp/flat/double-jersey/hosiery and other CPC44613 mechanisms and spare parts. Old scaffold and shared mapping untouched. Manufacturer no-sinker-cam-box and accessory caveats retained; factory trials separated from customer-mill production.",
    "unresolved_flow_identities": [
      {
        "row_id": "steel_sheet",
        "selected_flow": "Hot-rolled non-alloy steel sheet",
        "reason": "Direct non-alloy candidate has alloy description; required hot-rolled non-alloy sheet not verified."
      },
      {
        "row_id": "solid_wire",
        "selected_flow": "Copper-coated solid carbon-steel welding wire",
        "reason": "Electrical solid wire/copper wire and flux-cored welding wire do not establish copper-coated solid carbon-steel welding wire."
      },
      {
        "row_id": "argon",
        "selected_flow": "Argon gas for welding",
        "reason": "Independent pure-argon and welding-gas searches return unrelated or composition-unspecified shielding gas, not verified pure argon."
      },
      {
        "row_id": "caustic",
        "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared",
        "reason": "Pure/fixed-concentration candidates do not establish actual supplied aqueous cleaner concentration."
      },
      {
        "row_id": "alkaline_effluent",
        "selected_flow": "Spent aqueous alkaline cleaning solution",
        "reason": "No retrieved verified segregated alkaline aqueous waste composition/transfer gate."
      },
      {
        "row_id": "ball_bearing",
        "selected_flow": "Steel radial ball bearing",
        "reason": "Mixed bearings/cages and wind-turbine bearing contexts do not identify a specified finished steel radial ball bearing."
      },
      {
        "row_id": "fastener",
        "selected_flow": "Carbon-steel bolt",
        "reason": "Broad fastener category does not establish one bolt grade/coating."
      },
      {
        "row_id": "pack_board",
        "selected_flow": "Corrugated paperboard protective pad",
        "reason": "Box or fixed-fibre-mixture candidates do not establish protective corrugated pad."
      },
      {
        "row_id": "needle_cylinder",
        "selected_flow": "Finished steel knitting needle cylinder",
        "reason": "General machinery/parts do not establish a finished steel industrial knitting needle cylinder with gauge/channel and delivered state."
      },
      {
        "row_id": "latch_needle",
        "selected_flow": "Finished steel circular-knitting latch needle",
        "reason": "Hand-use knitting/sewing needle category is not an industrial circular-machine latch needle."
      },
      {
        "row_id": "sinker",
        "selected_flow": "Finished steel circular-knitting sinker",
        "reason": "Sink/sanitary-ware and fastener matches are not a finished knitting sinker; supplied geometry/hardening state not verified."
      },
      {
        "row_id": "needle_cam",
        "selected_flow": "Finished steel needle-control cam block",
        "reason": "No returned record verifies one finished needle-control cam block; generic machine parts cannot identify it."
      },
      {
        "row_id": "positive_feeder",
        "selected_flow": "Complete positive yarn-feed unit",
        "reason": "Broad textile auxiliary or yarn-preparation machinery does not identify one completed positive feeder and included drive."
      },
      {
        "row_id": "yarn_creel",
        "selected_flow": "Finished steel yarn-creel frame",
        "reason": "No returned record confirms delivered steel yarn-creel frame and included holders."
      },
      {
        "row_id": "fabric_takedown",
        "selected_flow": "Complete mechanical fabric take-down unit",
        "reason": "No returned verified complete configured mechanical take-down unit and included motor/gearing."
      },
      {
        "row_id": "drive_motor",
        "selected_flow": "Complete three-phase induction drive motor",
        "reason": "Searches yielded unrelated contexts; no confirmed complete three-phase induction knitting-machine drive. Supplier nameplate/configuration required."
      },
      {
        "row_id": "inverter",
        "selected_flow": "Complete motor frequency converter",
        "reason": "No retrieved verified complete motor frequency converter with declared delivered electronics boundary."
      },
      {
        "row_id": "controller",
        "selected_flow": "Complete circular-knitting electronic control panel",
        "reason": "Broad or unrelated controllers do not establish a complete configured circular-knitting control panel."
      },
      {
        "row_id": "drive_belt",
        "selected_flow": "Finished textile-reinforced rubber drive belt",
        "reason": "Generic rubber or differently specified drive media do not establish a finished textile-reinforced rubber belt formulation/profile."
      },
      {
        "row_id": "needle_oil",
        "selected_flow": "Finished mineral knitting-needle lubricating oil",
        "reason": "Synthetic oil, compressor washing oil and generic petroleum fractions do not identify supplier-graded finished mineral knitting-needle lubricant."
      },
      {
        "row_id": "test_yarn",
        "selected_flow": "Virgin non-textured PET filament test yarn",
        "reason": "Direct public Polyester Filament candidate has Mass reference but does not verify the selected virgin/non-textured finish; English esterification and Chinese transesterification route labels differ. Pure PET trial-yarn formulation and supply route remain unresolved."
      },
      {
        "row_id": "test_cloth",
        "selected_flow": "Waste PET knitted factory-test fabric",
        "reason": "Generic waste fibre fabric, polyester-cotton products and polyester mesh products do not identify segregated discarded PET trial knit with actual contamination/waste gate."
      },
      {
        "row_id": "test_oil_waste",
        "selected_flow": "Waste mineral needle lubricating oil",
        "reason": "Generic used oil/recycling or mixed spent lubricant wastewater does not identify segregated spent mineral needle lubricant."
      }
    ],
    "unresolved_evidence": [
      "Measured M, full BOM, actual factory route, supplier material/lubricant/cleaner/coating composition, test-yarn finish and trial protocol/quantities require foreground collection. No generic mass, lifetime, process necessity or numerical acceptance limits invented.",
      "Scientific and independent translation reviews pending."
    ],
    "identity_rejections": [
      {
        "candidate": "ce3ac926-5d6f-4558-9edc-67179d93dde4",
        "reason": "Non-alloy name but alloy-steel description."
      },
      {
        "candidate": "714e90b5-8c5e-4c5b-aac5-8c156b8f20f9",
        "reason": "Hand-use needles and broad pins/accessory category cannot identify one industrial latch needle."
      },
      {
        "candidate": "30173859-61d4-4518-ba9e-6846b8491c1b",
        "reason": "Public Mass reference verified; generic polyester filament does not verify actual virgin/non-textured finishing state and its bilingual route labels differ. No narrower supplied identity assumed."
      }
    ],
    "inventory_contract": {
      "atomic_flows": "v1",
      "localized_flow_names": "tiangong_zh_v1"
    }
  }
}