{ "schema_version": 1, "id": "pcr.metal-products-machinery-and-equipment.special-purpose-machinery.leather-working-machinery", "title": { "en-US": "Leather band-knife splitting machinery manufacture", "zh-CN": "皮革带刀剖层机械制造" }, "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": "44630", "title": "Machinery for preparing, tanning or working hides, skins or leather or for making or repairing footwear or other articles of hides, skins or leather, other than sewing machines", "mapping_type": "narrower" } ], "review_metadata": { "scientific_review": "pending", "semantic_boundary_decision": "New complete electromechanical endless-band-knife machine for dry-leather splitting in leather-goods or shoe manufacture. Narrower than CPC44630; exclude wet tanning drums, whole-hide wet tannery splitters, shaving/fleshing, bell-knife skiving, sewing, other shoemaking machinery and spare parts. No complete material leather-machine overlap found in local index; existing weaving/knitting machinery has distinct product and test-media boundaries. Old scaffold and shared maps unchanged. Actual delivered knife/feed/presser/grinding/suction/drive/control/guards and retained lubricant define M; factory sample trials included, customer leather processing excluded.", "unresolved_flow_identities": [ { "row_id": "steel_sheet", "selected_flow": "Hot-rolled non-alloy steel sheet", "reason": "Public candidate ce3ac926 has a non-alloy name but alloy-steel description, so exact stock identity unresolved." }, { "row_id": "solid_wire", "selected_flow": "Copper-coated solid carbon-steel welding wire", "reason": "Search returned electrical wire and flux-cored consumables, not verified copper-coated solid carbon-steel welding wire." }, { "row_id": "argon", "selected_flow": "Argon gas for welding", "reason": "Two searches found composition-unspecified shielding gas or liquid argon; none verifies pure welding argon gas." }, { "row_id": "caustic", "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared", "reason": "Retrieved pure and fixed-concentration candidates do not establish actual supplied cleaner concentration." }, { "row_id": "alkaline_effluent", "selected_flow": "Spent aqueous alkaline cleaning solution", "reason": "No returned identity verifies this characterized spent alkaline solution and outgoing waste gate." }, { "row_id": "ball_bearing", "selected_flow": "Steel radial ball bearing", "reason": "Broad ball/roller category, cages and wind-turbine bearing do not establish one finished steel radial ball bearing." }, { "row_id": "fastener", "selected_flow": "Carbon-steel bolt", "reason": "Broad fastener matches do not identify an individual bolt with grade/coating." }, { "row_id": "pack_board", "selected_flow": "Corrugated paperboard protective pad", "reason": "Direct candidate8bde297e restricts C/E/F type, fibre>=80% and recycled multilayer composition; actual pad specification not established." }, { "row_id": "cast_body", "selected_flow": "Finished cast-iron leather-splitter body", "reason": "Direct Casting candidate pools iron/copper/aluminium and does not establish finished machined cast-iron leather-splitter body." }, { "row_id": "band_knife", "selected_flow": "Finished endless steel leather-splitting band knife", "reason": "Retrieved saw blade has different toothed geometry and function; no verified finished endless leather-splitting knife." }, { "row_id": "knife_pulley", "selected_flow": "Finished steel band-knife drive pulley", "reason": "Retrieved steel packing band, saw blade and unrelated products do not establish a finished knife-drive pulley." }, { "row_id": "feed_roll", "selected_flow": "Finished rubber-covered leather-splitting feed roller", "reason": "Rubber semi-finished parts and leather products do not establish a completed rubber-covered composite feed roll." }, { "row_id": "presser_roll", "selected_flow": "Finished steel leather-splitting presser roller", "reason": "Returned unrelated ski parts do not identify a finished steel presser roll and its actual surface/shaft boundary." }, { "row_id": "grinding_head", "selected_flow": "Complete band-knife grinding head", "reason": "Sharpened bladed parts, cutting tools and general grinding machinery do not identify a complete installed knife-grinding head." }, { "row_id": "cbn_wheel", "selected_flow": "Finished cubic-boron-nitride grinding wheel", "reason": "Returned unspecified abrasives, silicon nitride and crucibles do not establish a bonded finished CBN wheel." }, { "row_id": "suction_blower", "selected_flow": "Complete electrically driven leather-scrap suction blower", "reason": "Returned scraper/cleaning-implement and off-gas contexts do not identify a complete electrically driven scrap suction blower." }, { "row_id": "steel_filter", "selected_flow": "Finished steel knife-grinding dust filter element", "reason": "Generic cartridge and used filter do not establish finished steel metal-mesh grinding-dust filter geometry." }, { "row_id": "drive_motor", "selected_flow": "Complete three-phase induction drive motor", "reason": "Search returned heat/unrelated contexts, not public confirmation of complete three-phase induction drive motor." }, { "row_id": "controller", "selected_flow": "Complete leather-splitter electronic control panel", "reason": "Broad control cabinet/unit candidates do not verify the configured leather-splitter panel and included feed converter/electronics boundary." }, { "row_id": "machine_oil", "selected_flow": "Finished mineral machine lubricating oil", "reason": "Direct aec6f1a5 has PAO and total synthesis route, inconsistent with selected mineral machine lubricant." }, { "row_id": "test_leather", "selected_flow": "Uncoated vegetable-tanned bovine leather test coupon", "reason": "Broad animal/finished leather and wet-blue/rawhide matches do not establish uncoated vegetable-tanned bovine test coupon." }, { "row_id": "test_leather_waste", "selected_flow": "Waste uncoated vegetable-tanned bovine leather test offcut", "reason": "Direct886b2b1a is Product flow and broad leather dust/offcut category, inconsistent with selected segregated waste composition/type." }, { "row_id": "knife_dust", "selected_flow": "Collected steel band-knife grinding dust waste", "reason": "Broad grinding dust/steelworks ash/powder matches do not establish segregated captured knife-grinding dust waste." } ], "unresolved_evidence": [ "Measured M, full BOM, actual factory route, supplier material/lubricant/cleaner/coating composition, test-leather tanning and 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; same-manufacturer historical brochure and undated overview do not establish quantitative manufacturing intensity." ], "identity_rejections": [ { "candidate": "ce3ac926-5d6f-4558-9edc-67179d93dde4", "reason": "Public candidate ce3ac926 has a non-alloy name but alloy-steel description, so exact stock identity unresolved." }, { "candidate": "aec6f1a5-7b09-4704-870d-434d3ada0edd", "reason": "Direct aec6f1a5 has PAO and total synthesis route, inconsistent with selected mineral machine lubricant." }, { "candidate": "c6dddd18-b089-41c7-b881-1fd6d546f0db", "reason": "Direct Casting candidate pools iron/copper/aluminium and does not establish finished machined cast-iron leather-splitter body." }, { "candidate": "8bde297e-98df-463f-bcb4-0db52bf6e0b5", "reason": "Direct candidate8bde297e restricts C/E/F type, fibre>=80% and recycled multilayer composition; actual pad specification not established." }, { "candidate": "886b2b1a-9f52-411c-852b-5c87a8351a02", "reason": "Direct886b2b1a is Product flow and broad leather dust/offcut category, inconsistent with selected segregated waste composition/type." } ], "inventory_contract": { "atomic_flows": "v1", "localized_flow_names": "tiangong_zh_v1" } } }