{ "schema_version": 1, "id": "pcr.metal-products-machinery-and-equipment.special-purpose-machinery.self-propelled-road-roller", "title": { "en-US": "Diesel-hydrostatic self-propelled drum road-roller manufacture", "zh-CN": "柴油液压驱动自行式钢轮压路机制造" }, "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": "44424", "title": "Tamping machines and road rollers, self-propelled", "mapping_type": "narrower" } ], "review_metadata": { "scientific_review": "pending", "semantic_boundary_decision": "New manufacture record for complete diesel-hydrostatic ride-on self-propelled drum road rollers; single/tandem and actual drum/tyre configurations separated. No same-boundary material roller PCR found in current material index; bearing/transmission component PCRs concern purchased components rather than the complete roller. Narrower than CPC: railway tamping, pedestrian/towed and tyre-only compaction, battery/hybrid, parts and compaction services excluded. Historical/model-specific tandem originals support possible configuration, not generic mass or process intensity. Old scaffold and shared mappings untouched.", "unresolved_flow_identities": [ { "row_id": "steel_sheet", "selected_flow": "Hot-rolled non-alloy steel sheet", "reason": "Direct non-alloy candidate description defines alloy steel; exact grade and hot-rolled sheet state not verified." }, { "row_id": "solid_wire", "selected_flow": "Copper-coated solid carbon-steel welding wire", "reason": "Flux-cored or generic wire records do not establish copper-coated solid carbon-steel wire." }, { "row_id": "argon", "selected_flow": "Argon gas for welding", "reason": "Independent welding-argon searches returned composition-unspecified welding gas or CO2 proxies; no verified pure argon identity. No database-wide absence claim." }, { "row_id": "caustic", "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared", "reason": "Pure or fixed-concentration candidates do not establish supplied aqueous cleaning reagent concentration." }, { "row_id": "alkaline_effluent", "selected_flow": "Spent aqueous alkaline cleaning solution", "reason": "No returned identity establishes segregated aqueous alkaline waste composition and transfer gate." }, { "row_id": "ball_bearing", "selected_flow": "Steel radial ball bearing", "reason": "Mixed bearings, cages and wind-turbine types do not establish steel radial ball bearings." }, { "row_id": "fastener", "selected_flow": "Carbon-steel bolt", "reason": "Broad steel fastener identity does not establish one bolt grade/coating." }, { "row_id": "pack_board", "selected_flow": "Corrugated paperboard protective pad", "reason": "Box or fixed-fibre-mixture identities do not establish protective corrugated pad grade." }, { "row_id": "drum", "selected_flow": "Complete steel compaction drum assembly", "reason": "Queries do not establish one complete purchased road-roller compaction drum and its configuration/included drive." }, { "row_id": "exciter", "selected_flow": "Complete eccentric-mass drum vibration exciter", "reason": "No retrieved identity confirms a complete roller eccentric vibration mechanism." }, { "row_id": "diesel_engine", "selected_flow": "Complete compression-ignition diesel engine", "reason": "Compression-ignition queries returned engine parts, fuels or incompatible motors; whole configured roller engine not verified." }, { "row_id": "hydraulic_pump", "selected_flow": "Complete axial-piston hydrostatic drive pump", "reason": "Returned broader power-unit or pump records do not establish the complete axial-piston pump and delivered inclusion." }, { "row_id": "hydraulic_motor", "selected_flow": "Complete rotary hydraulic travel motor", "reason": "No verified complete hydraulic rotary travel motor, distinct from pneumatic motors and linear cylinders." }, { "row_id": "reduction_gear", "selected_flow": "Complete planetary travel reduction gearbox", "reason": "Wind-turbine gearbox candidate is not a roller travel reduction gearbox." }, { "row_id": "steering_cylinder", "selected_flow": "Complete hydraulic steering cylinder", "reason": "Machined parts and kits do not establish a complete sealed hydraulic steering cylinder." }, { "row_id": "hydraulic_hose", "selected_flow": "Steel-wire-reinforced rubber hydraulic hose assembly", "reason": "No retrieved verified finished steel-wire-reinforced rubber hose assembly with fittings." }, { "row_id": "starter_battery", "selected_flow": "Complete lead-acid starter battery", "reason": "Starting-type candidate has Energy reference property and storage-station comment. Other returned battery-box charge/discharge or industrial contexts do not establish this finished starting battery mass identity." }, { "row_id": "operator_seat", "selected_flow": "Complete roller operator seat", "reason": "Furniture or unrelated seat records do not establish a finished roller operator seat." }, { "row_id": "rops", "selected_flow": "Complete steel roll-over protective frame", "reason": "No verified complete roller steel rollover protective frame identity." }, { "row_id": "roller_control", "selected_flow": "Complete road-roller electronic control module", "reason": "No verified complete roller electronic control module identity." }, { "row_id": "sprinkler_pump", "selected_flow": "Complete roller water-sprinkler pump", "reason": "No verified complete roller pressure sprinkler-water pump identity." }, { "row_id": "drum_scraper", "selected_flow": "Polyurethane drum scraper blade", "reason": "No verified polyurethane roller scraper blade identity; other scraper chemistry cannot be substituted." }, { "row_id": "engine_oil", "selected_flow": "Finished engine lubricating oil", "reason": "Generic base-oil or hydraulic-oil records do not establish the finished supplier-graded engine lubricant." }, { "row_id": "coolant", "selected_flow": "Aqueous ethylene-glycol engine coolant, concentration declared", "reason": "Returned wind-farm coolant has incompatible application/state and does not verify the specified aqueous ethylene-glycol engine premix concentration." }, { "row_id": "scr_solution", "selected_flow": "Aqueous urea SCR reducing solution, concentration declared", "reason": "Urea/ammonium nitrate mixture, pure urea or urea elementary emissions do not identify supplier-concentration aqueous SCR urea solution." }, { "row_id": "factory_diesel", "selected_flow": "Diesel fuel, supplier composition declared", "reason": "Public diesel candidate fbd79004-188c-47a4-900b-96005d994690 has Energy quantitative reference despite a Mass secondary property. It cannot identify this kg row without an evidenced compatible identity; no heat-value conversion invented." }, { "row_id": "test_oil_waste", "selected_flow": "Waste mineral hydraulic oil from factory tests", "reason": "Mixed used lubricating-oil wastewater formulations do not establish segregated spent mineral hydraulic oil." }, { "row_id": "factory_no2", "selected_flow": "Nitrogen dioxide emission to unspecified air", "reason": "Separate elementary-filter and literal NO2/Chinese searches returned nitrite or aggregate NOx identities. None verifies chemically specific NO2 to air / unspecified; NO, N2O and NOx-equivalent are not substitutions." } ], "unresolved_evidence": [ "Factory mass M, BOM, coating recipes, quantities, test cycle/exhaust measurements, fluid and fossil/bio origins require foreground collection. No manufacturer operating-weight conversion, lifetime, mandatory coating or emission factor invented.", "Scientific and independent translation reviews remain pending." ], "identity_rejections": [ { "candidate": "ce3ac926-5d6f-4558-9edc-67179d93dde4", "reason": "Non-alloy name but alloy-steel description." }, { "candidate": "f854fcea-1b30-4b25-8dfb-7829bcfb51cd", "reason": "Starting battery name with Energy reference property and BESS description; incompatible with finished starter-battery kg row." }, { "candidate": "fbd79004-188c-47a4-900b-96005d994690", "reason": "Diesel referenceToReferenceFlowProperty points to Energy, not Mass; secondary Mass property does not authorize kg reference conversion." }, { "candidate": "92c6fd56-f8a2-45ed-bb52-c4238cf8927c", "reason": "Wind-farm coolant does not establish configured road-roller engine premix." }, { "candidate": "35e30f21-daa2-4e39-9229-2e8c0e13a3a7", "reason": "Aggregate NOx product identity is not chemically resolved NO2 elementary release." } ], "inventory_contract": { "atomic_flows": "v1", "localized_flow_names": "tiangong_zh_v1" } } }