--- type: "product_component" title: "Plastic Film Blowing Machine" industry: "Manufacture of Plastic Products" verification_protocol: urn: "URN:CNFX:ME:PLASTIC_FILM_BLOWING_MACHINE" data_integrity_hash: "4924d3c78470ac93fa89a502ca8d4fc6" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:PLASTIC_FILM_BLOWING_MACHINE" data_source_uri: "https://cnfx.com/llms/industry/plastic-products-manufacturing/product/plastic-film-blowing-machine.md" official_resource_url: "https://cnfx.com/industry/plastic-products-manufacturing/product/plastic-film-blowing-machine" is_verified_logic: true attributes: primary_spec: status: "config-dependent" typical_range: "0.5-25.0 MPa (melt pressure), 180-280°C (melt temperature), 0.8-1.2 m/s (haul-off speed)" unit: "mm" secondary_spec: status: "config-dependent" typical_range: "0.5-25.0 MPa (melt pressure), 180-280°C (melt temperature), 0.8-1.2 m/s (haul-off speed)" unit: "kg/h" engineering_limits: max_safe_operating_point: value: 28.0 unit: "MPa" consequence: "Die lip rupture occurs due to hoop stress exceeding HDPE yield strength (26-33 MPa) at 280°C; polymer crystallization at sub-170°C increases viscosity by 300% causing flow instability; bubble instability at >1.5 m/s results from Reynolds number exceeding 2300 in annular flow" fmea_matrix_quantitative: - node_1: trigger: "Polymer degradation at 300°C producing volatile compounds" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Integrate melt thermocouple with PID control maintaining ±2°C tolerance" - node_2: trigger: "Die lip contamination accumulating 0.1mm particulate layer" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Implement ultrasonic cleaning system operating at 40kHz with 15-minute cycles" bom_nodes: extruder-barrel: type: "component" llms_uri: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/component/extruder-barrel.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:EXTRUDER_BARREL" urn: "URN:CNFX:ME:UNIT:EXTRUDER_BARREL" interface_type: "physical-logic-coupled" is_migrated_part: true annular-die: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/annular-die.md" link_type: "product" link_target_urn: "URN:CNFX:ME:ANNULAR_DIE" urn: "URN:CNFX:ME:ANNULAR_DIE" interface_type: "physical-logic-coupled" is_standalone: true air-ring: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/air-ring.md" link_type: "product" link_target_urn: "URN:CNFX:ME:AIR_RING" urn: "URN:CNFX:ME:AIR_RING" interface_type: "physical-logic-coupled" is_standalone: true nip-rolls: type: "part" llms_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/nip-rolls.md" link_type: "product" link_target_urn: "URN:CNFX:ME:NIP_ROLLS" urn: "URN:CNFX:ME:NIP_ROLLS" interface_type: "physical-logic-coupled" is_standalone: true winder: type: "part" llms_uri: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/winder.md" link_type: "product" link_target_urn: "URN:CNFX:ME:WINDER" urn: "URN:CNFX:ME:WINDER" interface_type: "physical-logic-coupled" is_standalone: true manufacturing_compliance: - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS" scope: "Verified Engineering Specification" - standard: "CE MARKING - MACHINERY DIRECTIVE 2006/42/EC" scope: "Verified Engineering Specification" url: "https://cnfx.com/llms/industry/plastic-products-manufacturing/product/plastic-film-blowing-machine.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "a0d09c558d1daae2ccd2b895936d125c005144acdf05c6c009a1c908a84bbdfb" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "Plastic Film Blowing Machine" - "high output plastic film blowing machine" - "industrial bubble film extruder equipment" - "automatic plastic film winder machine" - "stainless steel film blowing production line" - "customizable thickness plastic film machine" - "Plastic Film Blowing Machine in " - "China Plastic Film Blowing Machine manufacturer" - "Plastic Film Blowing Machine supplier China" - "Plastic Film Blowing Machine primary_spec" - "Plastic Film Blowing Machine secondary_spec" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: Plastic Film Blowing Machine ## 1. Technical Definition Industrial machine that produces plastic film by extruding molten polymer through a circular die and inflating it into a bubble. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **0.5-25.0 MPa (melt pressure), 180-280°C (melt temperature), 0.8-1.2 m/s (haul-off speed)**. Failure boundary: **Melt pressure exceeding 28.0 MPa causes die lip rupture, melt temperature below 170°C initiates polymer crystallization, haul-off speed above 1.5 m/s induces bubble instability**, Mechanism: **Die lip rupture occurs due to hoop stress exceeding HDPE yield strength (26-33 MPa) at 280°C; polymer crystallization at sub-170°C increases viscosity by 300% causing flow instability; bubble instability at >1.5 m/s results from Reynolds number exceeding 2300 in annular flow**. ### 2.1 Analytical Physics Model Governed by the **LMTD Logarithmic Mean Temperature Difference**: > **Primary Equation**: $Q = U \cdot A \cdot \Delta T_{lm}$ > **Engineering Impact**: Sizing validation for pasteurization and cooling tunnels. | Symbol | Variable Definition | Localized Reference | | :--- | :--- | :--- | | U | Heat Transfer Coeff | Engineering Constant | | A | Area | Engineering Constant | | \Delta T_{lm} | LMTD | Engineering Constant | ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | Polymer degradation at 300°C producing volatile compounds | 8 | Bubble rupture from internal pressure drop | Integrate melt thermocouple with PID control maintaining ±2°C tolerance | | Die lip contamination accumulating 0.1mm particulate layer | 8 | Film thickness variation exceeding ±5% specification | Implement ultrasonic cleaning system operating at 40kHz with 15-minute cycles | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | primary_spec | Config-dependent | mm | Verified | | secondary_spec | Config-dependent | kg/h | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) - [Annular Die](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/annular-die.md) `(Standalone System)` - [Air Ring](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/air-ring.md) `(Standalone System)` - [Nip Rolls](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/nip-rolls.md) `(Standalone System)` - [Winder](https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/product/winder.md) `(Standalone System)` ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **Extruder**, **Air Ring Cooling System**, **Winder/Rewinder** **Downstream Applications**: Plastic Shopping Bags, Agricultural Greenhouse Film, Food Packaging Film ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What materials can be processed with this plastic film blowing machine? **A**: This machine processes various thermoplastic polymers including LDPE, HDPE, PP, and PVC to produce plastic films for packaging, agricultural, and industrial applications. ### Q: How does the bubble diameter affect film production? **A**: Bubble diameter determines the final film width after collapsing. Our machines offer adjustable bubble control systems to produce films from narrow to wide widths with consistent thickness distribution. ### Q: What maintenance is required for the extruder barrel and screw? **A**: Regular cleaning after material changes, periodic inspection for wear (especially with abrasive materials), and proper temperature control maintenance ensure optimal extrusion performance and longevity. ## 6. Manufacturing Compliance - ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS - CE MARKING - MACHINERY DIRECTIVE 2006/42/EC --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: Plastic Film Blowing Machine](https://cnfx.com/industry/plastic-products-manufacturing/product/plastic-film-blowing-machine)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **5** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: PLASTIC_FILM_BLOWING_MACHINE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 087379ec