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Film Mulching Sand Mixers for Sale2
Casting Forging, Film Mulching Sand Mixer, Film Coated Sand Equipment
Qingdao Ding Li Machinery Co., Ltd.
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Product DescriptionProduct DescriptionProduct Description of M500 Coated Sand MixerThe M500 Coated Sand Mixer is a high-efficiency, energy-saving, and intelligent machine specifically designed for the production of furan-coated sand (thermally coated sand), meeting the requirement for uniform phenolic resin coating on sand grains in shell core and core shooting processes. With an integrated high-speed heating and mixing process, it combines sand drying, preheating, resin dosing, high-speed mixing, and cooling setting in one system—enabling fully automated operation from raw sand to finished coated sand. It is the ideal solution for small-to-medium foundries seeking high-quality, cost-effective coated sand production.This machine is widely used in the production of complex shell cores for automotive engine parts, exhaust manifolds, intake manifolds, valves, pipe fittings, and hardware components, and can also serve as an auxiliary mixing unit or R&D lab equipment in large foundries.Working Principlehe M500 uses an intermittent thermal coating process, with the entire operation conducted in a sealed mixing chamber for safety and environmental protection:Sand Heating: Dry base sand (moisture ≤0.2%) is fed into the mixing pan and rapidly heated to 130–150°C via a thermal oil jacket or electric heating system.Resin Addition: Once the sand reaches the target temperature, molten phenolic resin is precisely dosed via a high-precision gear pump into the hot sand, where high-speed rotating blades ensure rapid and uniform coating.High-Speed Mixing: Mixing lasts 60–90 seconds, ensuring complete resin coverage and a uniform bonding layer on each sand grain.Cooling & Discharge: After mixing, a cooling system (air or water-cooled) reduces the sand temperature to below 60°C to prevent premature curing, followed by automatic discharge to a sand hopper or cooler.Key FeaturesHigh-Efficiency Heating, Energy SavingUses thermal oil jacket or electric heating with forced convection, offering high thermal efficiency, rapid heating, and >20% lower energy consumption than traditional electric heating elements.Uniform Mixing, Complete CoatingTwin-rotor counter-flow agitation provides strong shearing force, resin coating rate ≥99%, mixing uniformity ≥97%, excellent sand flowability, and high shell strength.Precise Metering, Stable QualityResin dosing via high-precision gear pump + mass flow meter with closed-loop control, accuracy ±1%. Supports multiple recipe storage and recall—ensuring batch-to-batch consistency.Intelligent Control SystemEquipped with PLC + HMI, real-time monitoring of sand temperature, mixing time, resin flow, motor current, etc., with fault alarms, data logging, and password protection.Robust Structure, Easy MaintenanceMixing pan liners and blades made of wear-resistant alloy steel for long life. Compact layout with wide inspection doors for easy cleaning and maintenance.Safe & Eco-Friendly, User-FriendlyFully enclosed design with dust extraction and VOCs collection ports, effectively controlling dust and organic fumes. Low operating noise (≤75dB), compliant with occupational health standards.Main Technical SpecificationsParameterSpecificationModelM500Batch Capacity500 kg per batchOutput Capacity800–1,000 kg/h (process-dependent)Sand Temp Range100–160°CMixing Time60–90 secondsResin Accuracy±1%Heating MethodThermal Oil / Electric HeatingControl SystemPLC + 7" HMIMotor Power37 kW (main) + 5.5 kW (cooling fan)Air Requirement0.6 MPa, 0.8 m3/minWeight~3,200 kgTypical ApplicationsCoated sand production for automotive exhaust/intake manifoldsBatch production of coated sand for valves, pumps, and fittingsCore equipment for self-supply sand systems in small-to-medium foundriesR&D and small-batch production in foundry labs or pilot workshopsRetrofit projects replacing old cold-box mixersCompany ProfileQingdao Dingli Machinery Co., Ltd.Qingdao Dingli Machinery Co., Ltd. is a company specializing in the production of casting machinery equipment. It mainly manufactures equipment for casting clay sand, resin sand, coated sand, wet sand drying, lost foam casting, sodium silicate sand, etc. It can undertake various turnkey projects, including the design, manufacturing, installation and commissioning of mechanical sand processing. Our factory has strong technical strength and advanced processing equipment. We have long-term and close technical cooperation with many senior experts and scholars from domestic universities and research institutions. We can provide users with high-performance, reliable products and satisfactory services.Our company adheres to the principles of promoting enterprise development through technology, prioritizing quality, continuous improvement and customer satisfaction. We are willing to sincerely cooperate with friends from all walks of life to achieve common prosperity.Our company mainly undertakes the following projects:20-180t/h mechanized clay sand processing production line and single machine equipment turnkey project.Annual production of 1000 to 20,000 tons of consolidated resin sand casting mechanized production line and single machine equipment turnkey project.Annual production of 3,000 to 10,000 tons of hot processing coated sand complete equipment and single machine equipment turnkey project.Annual production of 3,000 to 7,000 tons of hot coating sand regeneration complete equipment and single machine equipment turnkey project.5-15t/h sodium silicate mechanical production line and single machine equipment turnkey project.5-30t/h three-stage sand drying equipment and single machine equipment turnkey project.5-40t/h lost foam casting complete equipment and single machine equipment turnkey project and other types of shot blasting cleaning equipment, lifting equipment, conveying equipment, cooling equipment, magnetic separation equipment, environmental protection dust removal equipment.Welcome to contact us~
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