{
  "schema_version": 1,
  "id": "pcr.metal-products-machinery-and-equipment.special-purpose-machinery.mineral-and-cold-glass-working-machine-tools",
  "title": {
    "en-US": "Mineral and cold-glass mechanical machine-tool manufacture",
    "zh-CN": "矿物材料与玻璃机械冷加工机床制造"
  },
  "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": "44221",
      "title": "Machine-tools for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass",
      "mapping_type": "narrower"
    }
  ],
  "review_metadata": {
    "scientific_review": "pending",
    "semantic_boundary_decision": "New conventional mechanical mineral-solid and cold flat-glass machine-tool manufacturing record. Existing material non-conventional-removal PCR covers laser/water-jet/etc. and material metal-working PCRs target metal/carbides/cermets; no duplication. Excludes crushing/mixing plant, hot glass, hand tools, optical and asbestos-specific configurations pending separate evidence, customer operation, spares and machining services. Bounded scope is narrower than CPC title. Retained scaffold is read-only and no mapping acceptance is asserted.",
    "unresolved_flow_identities": [
      {
        "row_id": "steel_sheet",
        "selected_flow": "Hot-rolled non-alloy steel sheet",
        "reason": "Direct candidate non-alloy name conflicts with alloy-steel description; sheet grade and delivered state unverified."
      },
      {
        "row_id": "solid_wire",
        "selected_flow": "Copper-coated solid carbon-steel welding wire",
        "reason": "Flux-cored or generic wire is not a verified copper-coated solid carbon-steel wire."
      },
      {
        "row_id": "argon",
        "selected_flow": "Argon gas for welding",
        "reason": "English and Chinese searches returned unrelated or unspecified candidates; pure gas identity not verified, not asserted absent."
      },
      {
        "row_id": "caustic",
        "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared",
        "reason": "Pure or concentrated sodium hydroxide candidate does not establish supplied aqueous cleaning-reagent concentration."
      },
      {
        "row_id": "alkaline_effluent",
        "selected_flow": "Spent aqueous alkaline cleaning solution",
        "reason": "Returned aqueous waste identities do not establish segregated alkaline solution composition and waste gate."
      },
      {
        "row_id": "ball_bearing",
        "selected_flow": "Steel radial ball bearing",
        "reason": "Broad categories, cages or wind-turbine bearings do not identify steel radial ball bearings."
      },
      {
        "row_id": "fastener",
        "selected_flow": "Carbon-steel bolt",
        "reason": "Broad fastener records do not establish a specific carbon-steel bolt grade/coating."
      },
      {
        "row_id": "pack_board",
        "selected_flow": "Corrugated paperboard protective pad",
        "reason": "Specific box or fibre-mixture identities do not establish the protective corrugated pad."
      },
      {
        "row_id": "bed_casting",
        "selected_flow": "Grey cast-iron machine bed casting",
        "reason": "Primary cast iron or pig iron is not a grey cast-iron bed casting in declared stress-relief/machining state."
      },
      {
        "row_id": "spindle",
        "selected_flow": "Complete mechanical machining spindle assembly",
        "reason": "Returned assembled whole machines, trailer axles or wind-turbine shafts do not identify a complete machining spindle."
      },
      {
        "row_id": "guide_rail",
        "selected_flow": "Hardened steel linear guide rail",
        "reason": "Returned unrelated chemicals/terminal blocks do not establish a hardened-steel linear guide rail."
      },
      {
        "row_id": "ball_screw",
        "selected_flow": "Complete steel ball-screw and nut assembly",
        "reason": "Steel screw and fastener candidates do not identify a complete ball-screw/nut motion assembly."
      },
      {
        "row_id": "cnc_unit",
        "selected_flow": "Machine-tool CNC control cabinet",
        "reason": "Direct electronic control components describe PLC/sensors/cabinet internals; not an installed complete wired CNC cabinet."
      },
      {
        "row_id": "vacuum_pump",
        "selected_flow": "Complete vacuum pump for workholding",
        "reason": "Broad air/vacuum pump/compressor record does not resolve the declared complete workholding pump technology and inclusion."
      },
      {
        "row_id": "vacuum_pad",
        "selected_flow": "Vulcanized rubber vacuum suction pad",
        "reason": "Returned gases or generic rubber products do not identify a specific vulcanized-rubber suction pad."
      },
      {
        "row_id": "diamond_blade",
        "selected_flow": "Segmented diamond circular saw blade with steel core",
        "reason": "Diamond wire and loose abrasives do not identify a segmented diamond steel-core circular blade."
      },
      {
        "row_id": "diamond_wheel",
        "selected_flow": "Diamond-bonded cup grinding wheel for glass edging",
        "reason": "Loose abrasives or generic wheels do not establish the cup geometry, diamond bond and glass-edging delivered tool."
      },
      {
        "row_id": "plywood_top",
        "selected_flow": "Plywood table-top strip",
        "reason": "Direct plywood Volume identity is classified as bamboo plywood; unspecified species tabletop strip and Mass basis do not establish a match."
      },
      {
        "row_id": "galvanized_frame",
        "selected_flow": "Hot-dip-galvanized fabricated steel work-table frame",
        "reason": "Generic galvanizing name or quenched/cut/welded galvanized steel frame does not establish the complete hot-dip-treated work table frame and route."
      },
      {
        "row_id": "glass_slurry",
        "selected_flow": "Waste aqueous soda-lime glass machining slurry",
        "reason": "Diatomite, quartz sand and unrelated slurry products do not identify aqueous soda-lime glass machining waste at treatment gate."
      },
      {
        "row_id": "glass_cullet",
        "selected_flow": "Dry soda-lime glass test offcuts",
        "reason": "Waste glass candidates do not establish dry segregated soda-lime test-offcut state and contamination."
      },
      {
        "row_id": "granite_offcut",
        "selected_flow": "Dry granite test offcuts",
        "reason": "Returned generic stone products do not establish dry segregated granite trial waste and transfer gate."
      },
      {
        "row_id": "axis_rack",
        "selected_flow": "Hardened steel toothed axis rack",
        "reason": "Wind pitch drives or aggregate unspecified mechanical parts do not identify a hardened-steel toothed rack."
      },
      {
        "row_id": "axis_pinion",
        "selected_flow": "Hardened steel axis drive pinion",
        "reason": "Wind equipment or precision movement aggregate does not identify the configured hardened-steel axis pinion."
      }
    ],
    "unresolved_evidence": [
      "Measured M, installed-component BOM, finishing recipes, factory test coupons and wastes, utilities and actual emissions require foreground records; manufacturer examples do not supply factory quantities, per-machine mass, generic lifespan or accuracy.",
      "Scientific and independent translation reviews remain pending."
    ],
    "identity_rejections": [
      {
        "candidate": "ce3ac926-5d6f-4558-9edc-67179d93dde4",
        "reason": "Non-alloy name but alloy description."
      },
      {
        "candidate": "ff5a65c8-7726-48b4-b794-6bacd21ab77e",
        "reason": "Electronic components/internal parts do not establish a full wired CNC cabinet."
      },
      {
        "candidate": "8b239d58-5fc2-40a5-8003-33f4082bc995",
        "reason": "Bamboo plywood classification and Volume reference do not identify generic tabletop strip in mass."
      },
      {
        "candidate": "7c9988b6-d0cf-4a08-801a-097d31f374d7",
        "reason": "Broad pump/compressor category does not establish the workholding pump configuration."
      }
    ],
    "inventory_contract": {
      "atomic_flows": "v1",
      "localized_flow_names": "tiangong_zh_v1"
    }
  }
}