{ "schema_version": 1, "id": "pcr.metal-products-machinery-and-equipment.transport-equipment.electric-golf-car", "title": { "en-US": "Battery-electric golf car manufacture", "zh-CN": "电动高尔夫球车制造" }, "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": "49116", "title": "Motor vehicles, for the transport of persons, specially designed for travelling on snow; golf cars and similar vehicles", "mapping_type": "narrower" } ], "review_metadata": { "scientific_review": "pending", "semantic_boundary_decision": "New complete two-seat off-road battery-electric golf-course golf car. Narrower than CPC49116; exclude snow vehicles, combustion/hybrid, cargo/utility/multi-seat, public-road low-speed/passenger cars, spares and refurbishment/conversion. Local material scan found no complete golf-car PCR; body/harness/battery-component scopes remain upstream inputs. Actual configured battery/chassis/drive/brake/body/accessories and retained fluids define M; off-board charger, passenger/payload and shipping protection excluded. Factory charging and short acceptance trials included; customer golf/transport service excluded. Old scaffold and shared mappings unchanged.", "unresolved_flow_identities": [ { "row_id": "steel_sheet", "selected_flow": "Hot-rolled non-alloy steel sheet", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Include only sheet stock actually issued for the actual steel chassis bracket. Record grade, width, thickness and incoming surface treatment; weigh issued stock less unopened returns. The confirmed stock identity remains unresolved; do not substitute contradictory alloy/non-alloy records." }, { "row_id": "solid_wire", "selected_flow": "Copper-coated solid carbon-steel welding wire", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only for the documented solid-wire route. Record wire designation and consumed mass; do not apply the flux-cored wire UUID." }, { "row_id": "argon", "selected_flow": "Argon gas for welding", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only when pure argon is actually supplied and consumed; cylinder net mass records establish quantity. An argon/carbon-dioxide blend is a different formulated gas and must be a separate row with its composition." }, { "row_id": "caustic", "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only if the actual cleaning recipe uses sodium hydroxide. Collect supplied solution mass and concentration without treating it as pure substance mass; 95–98% grade identity is not applied to unknown-concentration baths. Each additional cleaning chemical needs its own atomic row." }, { "row_id": "alkaline_effluent", "selected_flow": "Spent aqueous alkaline cleaning solution", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only when this single liquid waste stream leaves the boundary. Measure solution mass, pH and constituents and identify receiving treatment; it is a waste transfer, not an elementary water emission." }, { "row_id": "ball_bearing", "selected_flow": "Steel radial ball bearing", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Record only this specific installed bearing type and mass; do not use a wind-turbine pitch bearing or a bearing cage identity." }, { "row_id": "fastener", "selected_flow": "Carbon-steel bolt", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Record grade, coating and mass of installed bolts; nuts and washers are separately recorded if present and must not be merged into this bolt row." }, { "row_id": "pack_board", "selected_flow": "Corrugated paperboard protective pad", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only where used; record grade, recycled content and mass. A specified fibre-mixture box is not assumed to represent this unspecified protective pad." }, { "row_id": "al_tube", "selected_flow": "Extruded 6061-T6 aluminium-alloy rectangular chassis tube", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual drawing- and supplier-confirmed 6061-T6 rectangular tube fabricated on site; record section, temper and mass issued less returns. Club Car supports an aluminium frame only, not this alloy/temper. The public wire-profile identity is not a tube. Purchased complete chassis constituents are excluded here." }, { "row_id": "steel_tube", "selected_flow": "Cold-formed non-alloy steel rectangular chassis tube", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual specified steel-tube stock fabricated on site, with grade, wall thickness, surface and measured mass. E-Z-GO supports welded steel frames, not a universal stock grade or plant route; the candidate shape has conflicting forming/classification context and is not forced onto this tube." }, { "row_id": "al_offcut", "selected_flow": "Segregated dry aluminium-alloy chassis-tube offcut", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual segregated untreated aluminium offcuts exported; weigh kg and record alloy, contamination and destination. The candidate loose scrap reference property is bulk Volume; its default bulk-density factor is not evidence for this weighed batch. Keep UUID unresolved unless the real property and measured conversion are reconciled." }, { "row_id": "al_wire", "selected_flow": "ER4043 aluminium-silicon welding filler wire", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual supplier-confirmed ER4043 wire used in the qualified aluminium joint; collect spool issue less return and declared filler chemistry. Do not infer filler from frame material or apply a carbon-steel wire identity." }, { "row_id": "al_chassis", "selected_flow": "Finished aluminium-alloy golf-car chassis", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. One actual purchased complete chassis with drawing, alloy, finishing and installed component boundary and net mass declared. This replaces its constituent stock, welding and finishing within this foreground; the brochure does not require site fabrication. A photovoltaic mounting frame is not a vehicle chassis." }, { "row_id": "steel_chassis", "selected_flow": "Finished powder-coated steel golf-car chassis", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only the actual supplied welded steel chassis with coating composition, mass and content declared. Do not repeat supplier welding, powder and curing utilities as on-site inputs. A special-purpose truck frame is not automatically a golf-car chassis." }, { "row_id": "lead_pack", "selected_flow": "Finished flooded deep-cycle lead-acid golf-car traction battery", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only supplier-confirmed flooded deep-cycle units for this configuration; record model, voltage, installed count, electrolyte state, delivered mass and battery-box boundary. This finished electrochemical product includes its filled electrolyte; do not count lead or sulfuric acid again. Starter/general lead-battery classification contradictions and energy-reference industrial battery candidates remain unresolved." }, { "row_id": "li_pack", "selected_flow": "Finished lithium-ion golf-car traction battery pack", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only one actual configured purchased finished traction pack, with supplier-confirmed cathode/anode chemistry, cells, enclosure, BMS, wiring, capacity and net mass recorded. Lithium-ion marketing does not specify NMC or LFP chemistry; do not infer it. Do not duplicate included cells or electrolyte. The count-property public candidate has contradictory doped-chemical classification and no complete traction-pack boundary, so no forced UUID is supplied." }, { "row_id": "ac_motor", "selected_flow": "Complete AC induction golf-car traction motor", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only nameplate-confirmed AC induction motors outside a purchased complete drive module. Record model, measured mass and controller/brake inclusion. E-Z-GO supports AC architecture; induction technology must be verified in the actual foreground. The candidate rail/tram traction motor is not this golf-car motor." }, { "row_id": "dc_motor", "selected_flow": "Complete brushed DC golf-car traction motor", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual separately supplied nameplate-confirmed brushed DC motors; record winding, housing, mass and module boundary. This is a conditional actual-product variant, not a universal OEM requirement; do not mix it with AC motors in one exchange." }, { "row_id": "transaxle", "selected_flow": "Complete electric-golf-car geared transaxle", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. One actual purchased geared axle and differential assembly; declare housing, gearing, bearings, retained gear oil and included motor/brake. Record delivered mass; included parts and fluids must not be counted again." }, { "row_id": "controller", "selected_flow": "Complete golf-car traction power controller", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Record the actual supplied drive controller, power stage, enclosure, circuit-board/wiring boundary and measured mass. A generic ECU does not establish the voltage, traction inverter or chopper route. Included harness and electronics are not counted twice." }, { "row_id": "front_cowl", "selected_flow": "Finished injection-moulded TPO golf-car front cowl", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. One actual supplied thermoplastic-polyolefin front body panel with polymer/elastomer blend, fillers, colour, moulded state and measured mass specified. E-Z-GO supports TPO body construction only; do not infer polypropylene grade or on-site injection moulding. A rear panel requires its own row." }, { "row_id": "canopy", "selected_flow": "Finished polypropylene golf-car canopy", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only an actually installed canopy whose polypropylene compound, reinforcement, geometry and measured mass are confirmed by supplier evidence. OEM accessory listings do not establish its polymer. Other canopy materials and supporting posts need separate physical rows." }, { "row_id": "seat", "selected_flow": "Complete upholstered two-seat golf-car bench", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. One actual complete finished two-seat bench; declare cover, foam, base, mounting and backrest inclusion, measured mass and supplier gate. Do not duplicate covered polymer or fabric as foreground raw inputs." }, { "row_id": "windscreen", "selected_flow": "Finished polycarbonate fold-down golf-car windscreen", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actually installed supplier-confirmed polycarbonate windscreen with coating, thickness, hinges and measured mass. The optional OEM windshield listing does not establish polycarbonate chemistry or universal installation; other glazing needs a distinct row." }, { "row_id": "wheel", "selected_flow": "Finished steel golf-car wheel rim", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual specified steel rims, with coating, dimensions, measured mass and valve inclusion. Tyres and complete tyre-wheel modules are different exchange boundaries; do not duplicate." }, { "row_id": "steering", "selected_flow": "Complete golf-car rack-and-pinion steering gear", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. One actual supplied gear with housing, rack, pinion and tie-rod inclusion declared; record mass and drawing. Steering wheel and column outside the module need separate rows." }, { "row_id": "strut", "selected_flow": "Complete hydraulic coil-over golf-car shock strut", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actually supplied installed coil-over struts; record steel spring, hydraulic damper, retained fluid, mass and count. E-Z-GO supports this front architecture; a separate leaf-spring architecture is not forced into this module." }, { "row_id": "leafspring", "selected_flow": "Finished steel golf-car suspension leaf spring", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual installed separately supplied leaf springs with grade, geometry, coating and mass. A damper or complete suspension module is different; no universal count is imposed." }, { "row_id": "drum_brake", "selected_flow": "Complete mechanical golf-car drum brake", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual installed mechanical drum assemblies; declare drum, shoe/friction compound, adjustment and parking-linkage boundary and mass. Club Car electric specifications support this route; the E-Z-GO gasoline column does not prove electric-vehicle drum installation." }, { "row_id": "magnetic_brake", "selected_flow": "Complete electromagnetic golf-car parking brake", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only the actually delivered electromagnetic parking-brake assembly outside the purchased motor/transaxle. E-Z-GO supports this electric parking route and motor service braking; they do not establish mandatory mechanical service drums. Record mass and inclusion to prevent double counting." }, { "row_id": "gear_oil", "selected_flow": "Finished mineral golf-car transaxle lubricating oil", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual supplier-graded mineral gear lubricant with additive composition and origin confirmed; weigh fresh issue less unused returns, distinguishing retained delivery oil from discarded oil. A prefilled purchased transaxle already includes its oil; no duplicate input." }, { "row_id": "onboard_charger", "selected_flow": "Complete on-board golf-car battery charger", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actually installed on-board chargers; record enclosure, wiring, rated input, mass and module boundary. An off-board charging unit used for factory acceptance is equipment, outside vehicle M; a separately supplied off-board charger requires a separate product model. Do not assume a brochure charger is installed." }, { "row_id": "battery_water", "selected_flow": "Purchased deionized water for flooded traction-battery topping", "reason": "No unambiguous applicable public state100 identity verified for this exact physical product, composition and gate. Only actual separately issued deionized battery water with conductivity and mass recorded. Exclude water already in the purchased filled battery and unused returns; distinguish retained mass in M and discarded liquid. This treated technosphere product is neither directly abstracted groundwater nor wastewater." } ], "unresolved_evidence": [ "Measured M, complete BOM, actual factory/supplier route, battery chemistry/state, component masses/counts, fluid/cleaner/coating compositions, charging and signed acceptance quantities require foreground collection. No per-car mass, lifetime, universal production necessity, hydrogen factor or numerical acceptance threshold is invented.", "Scientific and independent translation reviews pending. Historical 2022 and June2024 OEM brochures support alternative architecture only, not current universal construction or quantitative manufacturing intensity. WRI2011 supports historical hierarchy only." ], "identity_rejections": [ { "candidate_uuid": "0f5a6a98-22cc-4549-af43-6ed44014e5de", "row_id": "al_offcut", "reason": "Loose bulk-volume aluminium scrap has reference Volume, not the weighed kg row; no actual batch-specific bulk-volume/mass collection or conversion supports its default density. Preserve public Volume; not an automatic rejection of different properties." }, { "candidate_uuid": "e9a40974-4404-4262-900f-550f84ced821", "row_id": "al_tube", "reason": "Single-core1.5mm2 rolled/drawn aluminium wire and official Chinese wire name do not identify extruded6061-T6 rectangular chassis tube." }, { "candidate_uuid": "f2eb1e33-3d42-40ef-a0da-2532cf491ddf", "row_id": "steel_tube", "reason": "Hot-rolled-shape classification and wire-forging/cold-forming description do not establish actual cold-formed rectangular steel tube." }, { "candidate_uuid": "c1704402-e49d-43aa-baef-c84209588243", "row_id": "ac_motor", "reason": "Explicit self-propelled rail/tram traction-motor gate, not golf-car motor; rail mass share is not adopted." }, { "candidate_uuid": "0f7ce22c-71cc-4c6c-aa33-d4074f9a03c7", "row_id": "lead_pack", "reason": "Electrical-energy CPC17100 conflicts with physical lead-acid battery; complete flooded deep-cycle traction battery gate not verified." }, { "candidate_uuid": "e16524ea-853e-483e-a846-72748a5cc7af", "row_id": "lead_pack", "reason": "Public reference is Net calorific value for industrial battery; no actual collection/conversion justifies using it for a kg whole traction-battery input. Public property is preserved." }, { "candidate_uuid": "5554faa4-1ae2-459a-959a-b2180ab3cedc", "row_id": "li_pack", "reason": "Public Count property is not inherently inapplicable, but doped-chemical CPC35470 and unspecified battery/cell versus finished traction-pack content conflict with this actual product boundary." }, { "candidate_uuid": "041fa2b1-7c58-489b-bec5-5b2bd58de19e", "row_id": "al_chassis", "reason": "Explicit photovoltaic module frame route, not a golf-car chassis." }, { "candidate_uuid": "b3090009-c174-4840-a674-4167ba68e30f", "row_id": "steel_chassis", "reason": "Generic welded frame/chassis reference is classified as structural-metal construction/CPC42190; its supplied golf-car chassis and finished powder-coating/component content are not established. Public Mass property is valid but insufficient for product-gate applicability." } ], "inventory_contract": { "atomic_flows": "v1", "localized_flow_names": "tiangong_zh_v1" } } }