AMMANN Asphalt Mixer Door Liners - High-Chromium Custom-Fit Protection
Description: Engineered for exceptional durability and precise compatibility with AMMANN asphalt mixing systems, our High-Chromium Door Liners provide robust protection against abrasion, impact, and high-temperature exposure in demanding production environments. Manufactured under ISO 9001-certified processes, each door liner is produced using advanced lost-foam casting (EPC) and vertical flaskless molding technologies, achieving 99.6% material density to eliminate structural weaknesses and ensure consistent performance under extreme conditions. Our proprietary high-chromium alloy, refined in medium-frequency induction furnaces, incorporates strategic additions of molybdenum and vanadium to create a uniform carbide network with a surface hardness of 65-69 HRC. This advanced material composition delivers 4.3x better wear resistance than conventional liners, significantly reducing replacement frequency and downtime. Independent tests verify these door liners withstand over 40,000 mixing cycles, even with highly abrasive aggregates and temperatures up to 200°C, offering 55% longer service life and lowering operational costs for asphalt plants. Digitally optimized through finite element analysis (FEA) and computational fluid dynamics (CFD), the liner geometry ensures perfect fit and functionality for AMMANN mixer doors, reducing stress concentrations by 45% and improving sealing efficiency. Each liner is precision-machined to ±0.15mm tolerance, guaranteeing seamless installation without modifications. The proprietary surface treatment reduces material buildup by 60%, maintaining optimal door operation and mixing efficiency. Backed by 20 years of industrial expertise, we provide comprehensive technical support, including digital wear analytics and lifecycle management tools. Our door liners are compatible with all AMMANN mixer series, ensuring reliable performance and extended durability for large-scale infrastructure projects. Door Liner Door Liner Door Liner Door Liner Door Liner Door Liner Features and Advantages Precision Manufacturing Excellence - Lost-foam casting and vertical flaskless molding technologies achieve 99.7% material density with zero defects for consistent performance in high-abrasion environments. Extended High-Temperature Life - Independently verified for 35,000+ cycles at 200°C, delivering 60% longer lifespan than standard liners. Perfect AMMANN Integration - CNC-machined to exact OEM specifications with ±0.15mm tolerance for seamless installation and optimal performance. Carbon Footprint Tracking: ISO 14001-compliant production with energy recovery systems. Perfect Model Integration: Every liner is engineered from original drum specifications, guaranteeing a seamless fit for your mixers with bolt-hole alignment within ±0.2mm, enabling hassle-free, drop-in replacement without downtime for modifications. Extended Operational Life - Independently verified to deliver over 38,000 mixing cycles, providing 55% longer lifespan than conventional asphalt mixer liners. Universal Compatibility: Precision-engineered for mixer brands including BHS, AMMANN, NFLG, DEX, SICOMA, TEKA, and CONELE. Intelligent Production: Vertical flaskless molding line guarantees batch consistency. Production Line Capabilities 1、Vertical Flaskless Molding Line: Enables high-speed, large-batch production with minimal dimensional variance. 2、Lost Foam Casting: Delivers complex geometries and smooth surfaces for precise fitment. 3、Medium-Frequency Induction Furnace: Ensures uniform melting of high-chromium alloys (Cr content 15-28%). Product Parameters: model number tensile strengthσb/Mpa tensile strength0.2/Mpa elongation(%) Fyi new model number equal old model number minimum value minimum value minimum value HBSBrinell hardness(BHS) main metallographic structure QT400-18 QT40-17 400 250 18 130-180 ferritle QT400-15 - 400 250 15 130-180 ferritle QT450-10 QT42-10 450 310 10 160-210 ferritle QT500-7 QT50-5 500 320 7 170-230 ferritle+pearlite QT600-3 QT60-2 600 370 3 190-270 pearlite+ferritle QT700-2 QT70-2 700 420 2 225-305 pearlite QT800-2 QT80-2 800 480 2 245-335 pearliteor tempered structure QT900-2 - 900 600 2 280-360 bainite or tempered martensite Chemical composition(Mass fraction)(%) C Si Mn Cr Mo Ni Cu S P KmTBN14Cr2-DT 2.4~3.0 ≤0.8 ≤2.0 1.5-3.0 ≤1.0 3.3~5.0 - ≤0.10 ≤0.15 KmTBN14Cr2-GT 3.0~3.6 ≤0.8 ≤2.0 1.5-3.0 ≤1.0 3.3~5.0 - ≤0.15 ≤0.15 KmTBCr9Ni5 2.5~3.6 ≤2.0 ≤2.0 7.0-11.0 ≤1.0 4.5~7.0 - ≤0.15 ≤0.15 KmTBCr2 2.1~3.6 ≤12 ≤2.0 1.5~3.0 ≤1.0 ≤1.0 ≤1.2 ≤0.10 ≤0.15 KmTBCr8 2.1~3.2 1.5~2.2 ≤2.0 7.0~11,0 ≤1.5 ≤1.0 ≤1.2 ≤0.06 ≤0.10 KmlBCr12 2.0~3.3 ≤1.5 ≤2.0 11.0~14.0 ≤3.0 ≤2.5 ≤1.2 ≤0.06 ≤0.10 KmTBCr15Mo 2.0~3.3 ≤1.2 ≤2.0 14.0~18.0 ≤3.0 ≤2.5 ≤1.2 ≤0.06 ≤0.10 KmTBCr20Mo 2.0~3.3...