Wuxi Wondery Industry Equipment Co., Ltd

I. Industry Insight: Solution Heat Treatment Bottlenecks for Aluminum Structural Components In high-precision manufacturing fields such as automotive lightweighting, aerospace, and rail transit, aluminum alloy die castings and plates are extensively used. To substantially enhance the mechanical strength, hardness, and corrosion resistance of aluminum components, they must undergo rigorous Solution Heat Treatment followed by rapid quenching. However, aluminum alloy solution processing poses two extremely strict engineering challenges: Extreme Temperature Uniformity: In the late soaking stage, the temperature variance throughout the furnace working zone must be kept minimal to prevent local over-burning or insufficient solutionization. Strict Quenching Transfer Window: Once heating and soaking are finalized, the components must be rapidly transferred and fully submerged from the high-temperature furnace chamber into the quenching medium within a golden window (typically less than 12 seconds) to lock in the required supersaturated solid solution phase. Conventional box furnaces or standard pit furnaces feature slow transfer mechanisms and large thermal losses, failing to meet high-grade alloy standards. Addressing the global high-end non-ferrous metal processing sector, WONDERY launched the intelligently controlled, rapid-discharge Vertical Aluminum Alloy Solution Furnace System ($varnothing1200 times 1500text{ mm}$) (Proposal No: WDL2606116NH) , achieving a premium international turnkey delivery at the facility of client GAL in India. II. Technical Solutions and Process Architecture 1. Detailed Description of Core Process Units Top Vertical Furnace Body Unit: The furnace working zone features an effective size of varnothing1500 times 1900 , enclosed by a240 high-density standard refractory ceramic fiber blanket insulation lining. This layout fully eliminates thermal bridging, containing the external shell temperature rise within ambient +$25^{circ}text{C}$. The heating elements utilize 0Cr25Al5 high-grade anti-oxidation resistance bands , evenly distributed across all four inner walls, secured via high-temperature ceramic screws , and wired in a Y-configuration across 2 independent temperature control zones. A top-mounted 5.5 6-pole powerful hot air circulation fan works in tandem with a  SUS304 stainless steel air deflector system to ensure the furnace temperature uniformity is strictly within text during thermal soaking, with a control accuracy under High-Speed Dual-Speed Hoisting Mechanism (1T Winch): The structural material frame is rated for a load capacity of le 1000 (basket dimensions of varnothing1200 times 1500. To balance stable suspension with extreme quenching transitions, WONDERY implemented a fast-lowering and slow-raising dual-speed winch profile : the rapid downward transfer velocity reaches $22text{ m/min}$. Paired with a pneumatic cylinder-actuated slide-open door that unlatches in just 4 seconds , the system guarantees a total elapsed time of from the initial furnace door opening to complete immersion in the quenching medium, delivering industry-leading performance that easily surpasses the 12-second threshold.   Multi-Dimensional Mobile Quenching Tank: Positioned directly beneath the elevated vertical furnace, the mobile quenching tank is driven by a motor reducer via a wheel-and-chain assembly , traveling smoothly into position at. Heavy-duty limit switches securely lock its travel boundaries. The tank is outfitted with a 60kW independent electrical heating system and a2.2 high-flow water circulation pump to break up any vapor blankets forming around the hot castings, ensuring an instantaneous and uniform thermal exchange. 2. Rittal-Standard Digitalized Control Cabinet System High-Precision Power Regulation: Each heating zone is managed by a Japanese Shimaden SRS13A high-precision intelligent program meter. These meters utilize three-phase SCR power regulators with zero-crossing triggering, preventing electrical spikes on the plant grid and yielding rapid data control feedback. HMI and Data Visualization: The core operation terminal employs a 10-inch Kunlun Tongtai high-resolution industrial touchscreen. This enables operators to program, monitor, record, and extract full heat treatment process curves , backed by user password access privileges.

I. Industry Insight: Strict Demands for Atmosphere Control and Temperature Uniformity in Precision Cold-Drawn Tubes In the manufacturing supply chains of automotive fuel pipes, hydraulic cylinders, and high-pressure boiler lines composed of precision cold-drawn steel tubes (such as SAE 1008/1010 grades), work hardening stands out as a critical roadblock affecting subsequent bending, flaring, and machining operations. To eliminate residual micro-stresses and reconstitute raw material ductility, the steel pipes must undergo a precise bright annealing or normalizing treatment at high temperatures up to $950^{circ}text{C}$. However, conventional open-atmosphere furnaces prompt extreme superficial oxidation and decarburization at such thermal levels, compromising dimensional tolerances and increasing surface roughness far beyond premium industrial delivery grades. WONDERY’s Support Roller Type Mesh Belt Bright Annealing Production Line represents the definitive engineering response to these thermal processing challenges. The system creates an air-tight, hermetically isolated thermal processing envelope filled with a cracked ammonia atmosphere ($text{H}_2text{ 75}% + text{N}_2text{ 25}%$) acting as a highly reducing protective barrier. By sustaining a structured 60-minute in-furnace transit time, the line guides the tube profiles through a strict "Heating-Holding-Dual Cooling" sequence under an oxygen-free envelope, ensuring the output tubes arrive at the unloading table completely clean, bright, and scales-free. Following the successful commissioning of heavy-duty vertical Vacuum Pressure Impregnation systems for industrial motor insulation (referenced in the document named "260602VPI1500-3000 Semi-auto Vacuum Impregnation Equipment System.docx"), WONDERY has once again asserted its core competency in industrial fluid heating and metallurgy by delivering this continuous line stretching a total length of 36,825 mm (Model: WDL260608BR). II. Technical Solutions and Full-Line Process Architecture 1. Continuous Modular Long-Axis Framework & Low-Stress Synchronous Drive Engineering To orchestrate the continuous feeding profile of long-axis seamless steel pipes ($L = 6000text{ mm}$, diameter $Phi14 sim 38.1text{ mm}$), WONDERY divided the 36.8-meter line into five structurally interdependent modules engineered for low tensile deformation: Front Loading Roller Conveyor: Features a heavy structural steel welded entry bed measuring $6000 times 900 times 1020text{ mm}$ driven by a $0.55text{ kW}$ variable frequency gear motor setup. This section leads to an integrated $2000text{ mm}$ stainless steel preheating connector containing a ceramic fiber curtain air-lock door and an automatic gas ignition system to isolate the internal reduction atmosphere from atmospheric air. Low-Tension Support Roller Drive (Proprietary Technology): Standard mesh belt lines running continuously at $950^{circ}text{C}$ subject the conveyor belt to high mechanical tension, leading to thermal creep and frequent tearing. WONDERY eliminates this vulnerability via a synchronous idler support design. High-temperature SUS310 alloy rollers support the mesh belt across the heating chamber, while the lower return rollers use a core-type design paired with high-temperature KF bearing assemblies and aluminum alloy heat sinks. The mesh belt ($SUS314, 400 times 49000 times 2.0/3.0text{ mm}$) serves primarily as a material carrier rather than a tension element, as sprockets and chains drive every idler roller in unison. This minimizes the operating tension on the belt, heavily extending its operational lifespan. 2. Four-Zone Independent Low-Voltage Radiant Heating & Anti-Decarburization Refractory Insulation Squirrel Cage Radiant Tube Configuration: The main heating chamber spans a longitudinal distance of $6000text{ mm}$ with an allocated heating capacity of $130text{ kW}$ divided into 4 independent temperature control zones. The furnace contains 36 horizontal radiant tube shells ($Phi124 times 1050text{ mm}$ made of seamless SUS310) enclosing heavy 0Cr25Al5 heating elements supported by corundum insulators. Low-Voltage Power Supply Safety Distribution: The radiant tubes are powered by safe, low secondary voltage ($42text{ V}$) via 4 dry-type step-down transformers (380V/42V) mounted directly to the furnace exterior. This parallel low-voltage configuration reduces electrical fatigue on the resistance wires and allows operators to isolate and service a single radiant tube assembly without halting the continuous operation of the line. Anti-Carburization Brickwork & Forced Atmosphere Convection: The internal refractory lining incorporates LBK26 anti-carburization bricks bonded with high-purity silica sol, backed by structural insulation board, calcium silicate sheeting, and multi-layer Luyang cera blankets for a total insulation profile thickness of $400text{ mm}$. The roof houses 4 forced-convection atmosphere mixing blowers ($0.75text{ kW}$ motors with SUS310 blades and NSK bearings), ensuring a longitudinal temperature uniformity of $pm6^{circ}text{C}$ and a cross-sectional accuracy of $pm3^{circ}text{C}$. 3. Cascade Open-Jacket Liquid Chilling & Fail-Safe Digital Control Integration Dual-Stage Cooling Chambers: Directly following the heating zone, a $700text{ mm}$ slow-cooling chamber brings temperatures down progressively to prevent unexpected phase transformations in sensitive steel alloys. The pipe then travels through a $9000text{ mm}$ water-cooled section split into multiple zones using an open, self-pressurizing reflux jacket (Zone 1 uses a SUS310 liner, Zone 2 uses a SUS321 liner). Supported by a $15,000text{ L/h}$ industrial recirculating water setup, the cooling sector drops the pipe unloading temperature to $le120^{circ}text{C}$ before it reaches the final $7000text{ mm}$ discharge roller conveyor. Top-Tier Industrial Digital Control Center: Automated logic throughout the line is orchestrated by a Mitsubishi PLC paired with a 14-inch MCGS digital touchscreen interface. Precise thermal monitoring is managed by 5 Honeywell DC1040 PID controllers coupled with Shimax solid-state relays for thyristor voltage regulation, achieving a control resolution of $pm1^{circ}text{C}$. Fail-Safe Safety Interlocks & Gas Purging: The entire low-voltage distribution architecture relies on integrated Siemens air switches, contactors, and circuit breakers. The control cabinet features an automated emergency safety interlock: if factory power is suddenly cut, the system isolates the cracked ammonia gas line and injects a $6text{ m}^3$ reserve of high-pressure nitrogen to purge the furnace chambers, preventing flame flashback or explosive mixtures. Production logs (including temperature curves, speeds, and faults) are exported to Excel and retained on a dedicated PC for 6 months.

Industry Insight: Stringent Demands for Temperature Uniformity and Melt Purity in Industrial Tinning Processes In the precision manufacture of mechanical bearings, processing of high-end electrical Babbitt alloy bushings, and surface anti-corrosion treatment of electronic components, hot-dip tinning is a critical process for establishing inter-facial bond strength. Although the melting point of tin is relatively low (approx. 232°C), in actual production, the working temperature of the molten tin must be stably maintained within a higher medium-temperature process window to obtain optimal leveling performance and an excellent wetting diffusion layer. At elevated temperatures, molten tin reacts aggressively with iron elements in conventional steel, generating hard, brittle Fe-Sn inter-metallic compounds (such as $FeSn_2$ dross). This not only accelerates localized corrosion and thinning of the pot wall but also introduces hard particulates into the molten pool, undermining coating density and surface gloss. Concurrently, if the heat flux density surrounding the pot is uneven, localized overheating will induce intense thermal convection, exacerbating surface oxidation. Through a targeted low-surface-load plate heating matrix and extra-thick low-carbon pure iron pot technology, WONDERY successfully resolved the temperature control and material corrosion pain points in molten metal processing for a prominent UAE engineering company (Osborne Engineering LLC). Technical Solutions and Parameterized Evidence 1. 1.1m Customized Pure Iron Pot: Eradicating "Iron Contamination" at the Source To satisfy the strict requirements of hot-dip tinning for melt purity, WONDERY deeply customized both the metallurgy and geometry of the reactor: Structural Dimensions: The effective internal working dimensions of the tin pot are 1.1 L × 1.1 W × 1.0 H meters, providing a standard vertical steady-state structure capable of accommodating large batches of heavy-duty precision bearing pads or bushing components for entire immersion dipping. 30mm Extra-Thick Plate Technology: The pot walls are fabricated entirely from 30mm high-purity low-carbon pure iron plates (Pure Iron Pot) by specialized welding. Compared with general stainless steel or carbon steel, high-purity pure iron contains negligible levels of carbon, silicon, and other impurities. This significantly passivates the grain boundary penetration rate of high-temperature tin liquid, minimizes iron dissolution, multiplies the operational lifespan of the pot body, and ensures long-term melt purity. 2. Four-Sided Plate-Type Heating Matrix and Balanced Y-Type Wiring To eliminate "dead zones" or localized tin boiling caused by excessive local thermal density and non-uniform radiation from traditional tubular heating pins, WONDERY deployed an all-enveloping thermal field configuration: Large-Area Plate Heating Elements: The perimeter of the tin pot is closely surrounded by 4 pieces of heavy-duty plate-type heating wires, with individual plate dimensions reaching 1200 mm (Width) × 850 mm (Height) and a rated output of 12.5 kW per piece. Low Surface-Load Heat Transfer: A total output of 50 kW (configured as a 7×7 kW balanced load design) is distributed evenly over a vertical heating area of nearly 4 square meters. This large-area, low-surface-load mechanism ensures that thermal energy flows into the pure iron pot wall via gentle conduction and radiation, mitigating material thermal fatigue caused by steep temperature gradients. National Standard Y-Type Configuration: The heating arrays are connected using a Y-type (Star) configuration to a 380VAC 3-phase industrial power supply. The neutral-balanced design minimizes single-phase voltage stress and is paired with 25 $mm^2$ national standard (GB standard) pure copper cables in the primary circuit to guarantee safe conductor temperature rise under full continuous load. 3. Closed-Loop Visual Power Regulation Securing an Exact ±1°C Control Accuracy The thickness and adhesion of hot-dip coatings are exceptionally sensitive to thermal fluctuations (typically, a variance of just 5°C alters the viscosity of molten tin and the thickness of the diffusion layer significantly). WONDERY therefore engineered a smart closed-loop electronic control architecture: Dual-End Collaborative Temperature Measurement: Precision thermocouple nodes are integrated symmetrically at both ends of the 1.1m tin pot. When the system detects a drop in local melt temperature below the setpoint, dynamic signals are fed back instantly to the central processing core. Thyristor Power Modulation: The core control incorporates 1 set of modularized SCR Power Controllers rather than traditional on-off contactors. Utilizing advanced algorithms, the system performs microsecond-level linear phase-angle or cycle微调 (fine-tuning) on the primary circuit current. 10-Inch Visual HMI Console: The front panel of the centralized control cabinet (dimensions: approx. 1500 × 600 × 500 mm) integrates a 10-inch Weinview high-resolution industrial touchscreen. The fully graphical interface displays real-time thermal trajectory logs, locking the temperature accuracy of the entire molten tin pool to a strict ±1°C boundary. Standard Export Delivery and Turnkey Execution WONDERY strictly adheres to industrial-grade turnkey supply protocols, explicitly demarcating boundaries to ensure seamless project integration overseas: Comprehensive Supply Scope: The delivery includes the high-purity pure iron pot core, insulated containment furnace casing, 4 full-scale plate heating units, an independent intelligent control cabinet (housing the Weinview HMI, SCR regulator, and Chint low-voltage switchgear), a complete array of compensation wires and sensing components, alongside comprehensive technical prints including general assembly drawings, electrical schematics, and full-lifecycle maintenance handbooks. Standardized Performance Assurance: All internal piping, wiring, and electrical pressure tests are completed at the Wuxi production base. The fully integrated skid design allows the UAE buyer to bring the system online immediately after connecting the main power supply, satisfying all industrial demands for continuous, premium hot-dip tinning production.