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Shandong Defang Metal Materials Co., Ltd
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Product DescriptionProduct DescriptionProducts DetailsThe shell mold casting process, with its significant advantages in enhancing production efficiency, reducing costs and improving product quality, provides strong support for the development of modern manufacturing. Shell Mold Casting: Opening a New Chapter of Efficient and High-Quality Production As manufacturing rapidly evolves, shell mold casting is increasingly becoming a popular choice in the foundry industry. With its unique advantages, it offers factories unprecedented opportunities-excelling in improving production efficiency, reducing product costs, and enhancing product quality-making it a favorite among many manufacturers and clients.SpecificationitemvalueMaterialCarbon Steel /customziedApplicationauto parts/ truck parts/ construction machinery parts /agricultural vehicle parts/ mechanical equipment parts/ machine tools /hardware and so onProcessCasting +Machining(if Need)+surface TreatmentMachining ProcessMachining CenterHeat treatmentTempering/CustomizedManufacturing ProcessSand Casting/CustomizedServiceCustomized OEMQuality ControlISO/TS16949:2002 ISO9001Surface treatmentCustomers' DemandImproving Production EfficiencyAutomated Production: Shell mold casting typically uses automated production lines, significantly boosting efficiency compared to traditional clay sand molding, which relies on manual labor or molding machines. For example, traditional clay sand molding involves high labor intensity and low productivity, while the efficiency of automated shell mold lines can be 3 to 4 times higher. Simplified Shell Formation: The shell-making process in shell mold casting is streamlined and has a shorter production cycle. By using air pressure to blow the shell sand into the metal mold cavity and heating it with an electric rod to harden the sand, the shell forms within just 1-3 minutes. This reduces steps and shortens the cycle, greatly improving production efficiency. Rapid Curing Capability: Fast-curing shell sands can increase curing speed by 30% to 70% while maintaining all necessary properties. This significantly improves production efficiency and conserves energy, enabling factories to complete more tasks in less time and better meet market demand.Reducing Product CostsReduced Material Usage: The shell sand layer in shell mold casting is thin-typically 5-10 mm based on the workpiece wall thickness. In contrast, clay sand molds may require 30-50 cm of sand, using 10 to 20 times more material. This dramatic reduction in sand usage significantly cuts raw material costs.Enhancing Product QualitySuperior Surface Quality: Shell sand has high strength and hardness, maintaining stability under high temperatures without deforming easily. The resin film on the surface prevents defects like sand holes and gas pores, resulting in smoother castings. Dimensional accuracy can reach CT7-CT8 levels, and surface roughness (Ra) falls between 6.3-12.5 μm, comparable to sodium silicate investment casting.Improved Internal Quality: Shell mold casting allows for faster cooling during pouring, enhancing graphite morphology and improving mechanical properties such as nodularity, matrix structure, hardness, tensile strength, and yield strength in ductile iron castings. These properties significantly outperform those of clay sand castings, extending service life and boosting internal quality-providing strong assurance for meeting customer demands.Reduced Machining Allowance: The high dimensional accuracy of shell castings means less machining is required. This shortens processing time, reduces machining costs, and improves material utilization-further lowering the overall product cost.Strong Stability: Shell sand's chemical composition and physical properties are relatively stable, ensuring consistent quality during production. This leads to stable casting quality, reduced scrap rates, higher product yield and consistency-helping factories enhance their market competitiveness.These outstanding advantages of shell mold casting make it stand out in the foundry industry. It delivers higher production efficiency, lower product costs, and better product quality-driving continuous progress and development in casting technology and helping factories gain more opportunities and competitive advantages in the fierce market environment.Applications1.Agricultural machinery2.Construction machinery3.Heavy truck4.Family car5.Ship field6.Aerospace fieldCompany ProfileShandong Defang Metal Materials Co., Ltd. is a high-tech enterprise specializing in casting and precision machining, with nearly 30 years of experience in the industry. Our production base covers over 57,400 square meters, including 34,000 square meters of construction area. We employ more than 300 staff, including over 120 engineering and technical professionals. Our main products include carbon steel, alloy steel, and other metal castings, widely used in construction machinery, mining equipment, agricultural machinery, automotive components, and other fields. We are proud to serve major clients such as SINOTRUK, Linyi Heavy Industry, and Shaanxi Heavy Duty Automobile, and have been repeatedly recognized as an excellent supplier by both SINOTRUK and Linyi Heavy Industry. We are equipped with over 400 sets of advanced production equipment, including CNC machines, machining centers, wire cutting machines, horizontal milling and boring machines, gantry planers, vertical lathes, radial drilling machines, traditional lathes, electric furnaces, shot blasting machines, and more. Our physical and chemical testing center features a hydraulic universal testing machine, coordinate measuring machine (CMM), metallographic microscope, Brinell and Rockwell hardness testers, carbon and sulfur analyzer, and other precision instruments, ensuring high standards in product quality and reliability. With our strong capabilities in steel casting production, processing, and quality control, Shandong Defang is committed to providing high-quality solutions and excellent service to customers around the world.CertificationsFAQQ: Are you a factory or trading company?A: Defang is a foundry in Shandong of China, welcome to visit us. Q: How can l get the quotation?A: We will submit the quotation in 24 hours if getting detailed information during working days.Inorder to quote for you earlier, please provide us the following information together with yourinquiry.1) 3D Step of Files and 2D Drawings2) Material requirement3) Surface treatment4) Quantity (per order/per month/annual)5) Any special demands or requirements, such as packing, labels,delivery,etc. Q: What are the main oversea markets of Defang?A: Currently Defang regular oversea customers are from the US, the UK, ltaly, Germany, Franceand India etc. Q: How you do the quality control?A: 1) Materials inspection by lQC;2) The first sample inspected by QC, QC will do over check as per the parameters list and criticaldimensions requested by customers, to decide if it can go ahead for production;3) During processing, our IPQC will check the injection molded parts every 2 hours, ensure noany rejects;4) FQC will check the products before sending to the warehouse;5) 100% inspected by OQC before shipping out. Q: What should we do if we receive defective products?A: lf receive defective product, please send us the photos, we will feedback to our engineers andQC departments and solve the problems AS Q: How to pack the moulds and products?A: 1) For moulds, we will be coated one-layer anti-rust oil first,and then also will be covered thin filmson the mould , finally pack into fumigation wooden case.2) And as to products, we will pack into standard export cartons or as per customer's request to pack.
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