{"id":2371,"date":"2025-08-21T16:05:26","date_gmt":"2025-08-21T08:05:26","guid":{"rendered":"https:\/\/www.3dptek.com\/?p=2371"},"modified":"2025-08-21T16:05:33","modified_gmt":"2025-08-21T08:05:33","slug":"2025-sand-mold-3d-printer-selection-guide","status":"publish","type":"post","link":"https:\/\/www.3dptek.com\/en\/blogs\/2025-sand-mold-3d-printer-selection-guide\/","title":{"rendered":"2025 Sand 3D Printer Selection Guide: Choosing the Right Machine Parameters Based on Casting Size and Material"},"content":{"rendered":"

In the casting industry towards intelligent process, sand 3D printer with \"mold-free, high-precision, complex structure molding\" advantage, become the key equipment to enhance the competitiveness of enterprises. However, there are many models of sand 3D printers on the market (molding size from 500\u00d7500\u00d7500mm to 4000\u00d72000\u00d71500mm, suitable for materials covering silica sand, zirconia sand, ceramic sand, etc.), if the selection is not appropriate, it will not only lead to idle equipment, waste of costs, but also affect the delivery of production due to the substandard quality of printing. This article takes 3DPTEK sand 3D printer as an example to analyze how to accurately match the parameters of the equipment based on the size and material of the casting and maximize the benefits of equipment investment.<\/p>\n\n\n\n

I. Equipment selection strategy based on casting size<\/h2>\n\n\n\n

The size of the casting is a central factor in determining the specification of a sand 3D printer, which needs to be selected with a balance between current needs and future developments:<\/p>\n\n\n\n

    \n
  1. Statistical analysis of existing casting dimensions<\/strong>
    1. Enterprises need to comprehensively sort out the past 1-2 years of casting orders, categorized by product type (such as automotive parts, aviation structural components, pumps and valves shells), statistics on the length, width and height of each type of casting size range, drawing size distribution histogram. For example, an automobile foundry statistics found that 60% engine block castings in 300-500mm in length, width 200-350mm, height 150-250mm;<\/li><\/ol>\n
        \n
      1. Identify the \"core size range\" with the highest percentage and use it as a basis for filtering printers. As in the case above, 3DPTEK's 3DPTEK-J1800<\/a>(molding size 1800\u00d71200\u00d71000mm) can easily cover most of the engine block sand printing needs, to avoid \"small horse-drawn cart\" (equipment molding size is too large, waste of equipment space and printing costs) or \"too big to use\" (equipment) (equipment molding size is not enough to print large castings).<\/li>\n<\/ol>\n<\/li>\n\n\n\n
      2. Considering future business expansion<\/strong>
        1. Combined with the enterprise's market planning for the next 3-5 years, new product development plan, prejudge the casting size changes that may be involved. If you plan to develop the wind power equipment castings business, you need to investigate in advance the size of wind power hubs, blades and other large castings (wind power hub diameter of up to 3-5 meters), to reserve enough space for equipment upgrades;<\/li><\/ol>\n
            \n
          1. If large castings are only occasionally undertaken, consider 3DPTEK's 3DPTEK-J4000<\/a> Ultra-large size printer (maximum molding size 4000\u00d72000\u00d71500mm), or \"sand cut block + combined assembly\" printing strategy (3DPTEK equipment supports localized printing, which facilitates the operation of the cut block), to reduce the cost of equipment procurement.<\/li>\n<\/ol>\n<\/li>\n\n\n\n
          2. Handling of special size requirements<\/strong>\n
              \n
            1. For castings with special dimensions such as extra-long, extra-wide, extra-thin, etc. (e.g., elongated shaft castings with an aspect ratio of more than 5:1, thin-walled parts with a thickness of less than 5mm), it is necessary to examine the printing accuracy and stability of the equipment in addition to the molding dimensions. 3DPTEK's bonded injection technology ensures that the molding of special-sized castings is performed with a high degree of precision of \u00b10.3mm, thus avoiding the scrapping of castings due to deviations in dimensions. avoid scrapping the castings due to dimensional deviation.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n

              Second, suitable for the casting material equipment parameters selection<\/h2>\n\n\n\n

              Different casting materials (e.g. cast iron, cast aluminum, cast steel) have different requirements for sand strength, air permeability and gas generation, which need to be matched with the corresponding equipment parameters and material technology:<\/p>\n\n\n\n

                \n
              1. Material properties and sand demand analysis<\/strong>
                1. Cast iron parts: due to the good fluidity of iron and moderate solidification shrinkage, the strength of the sand mold is required to be high (tensile strength \u2265 0.8MPa) to prevent the sand mold from erosion and breakage during pouring. The high-strength furan resin binder matched with 3DPTEK equipment, together with silica sand, can meet the needs of sand mold printing for cast iron parts;<\/li><\/ol>\n
                    \n
                  1. Aluminum casting: Aluminum liquid solidification speed is fast, easy to absorb air, the sand type is required to have good air permeability (air permeability value \u2265 150) and low outgassing (outgassing \u2264 15ml\/g), to avoid casting porosity defects. 3DPTEK's open-source material process can be adjusted according to the needs of the binder formula, suitable for ceramic sand, zirconia sand and other low outgassing, high air permeability sand, to meet the casting of aluminum casting sand print.<\/li>\n<\/ol>\n<\/li>\n\n\n\n
                  2. Material compatibility and parameter adjustment<\/strong>
                    1. The 3DPTEK sand 3D printer supports a wide range of casting sands (including quartz sand, pearl sand, chromite sand, etc.), allowing companies to choose sand materials flexibly according to casting materials and cost considerations. For example, when producing high-end stainless steel castings, zirconium sand (high temperature resistant and chemically stable) is used with 3DPTEK's special binder to improve the sand mold's anti-washout and anti-sticking properties;<\/li><\/ol>\n
                        \n
                      1. The nozzle parameters (e.g., orifice diameter, spraying frequency) and heating and curing parameters (curing temperature and time) of the equipment need to be precisely adjusted according to the characteristics of the sand material and the type of binder. For example, when using fine-grained quartz sand, it is necessary to reduce the diameter of the spray hole (e.g., from 0.3mm to 0.2mm) and increase the spraying frequency to ensure that the binder evenly covers the sand particles; for thermosetting binder, it is necessary to optimize the heating curing curve (e.g., increase the curing temperature from 150\u2103 to 180\u2103, and extend the curing time from 30 seconds to 45 seconds), so as to ensure that the strength of the sand pattern curing.<\/li>\n<\/ol>\n<\/li>\n\n\n\n
                      2. New material application and technical support<\/strong>\n
                          \n
                        1. As the casting industry's demand for high-performance, lightweight castings increases, new types of sand materials (such as composite sand mixed with metal powders and nano-modified sand) are gradually being applied. 3DPTEK continues to research and develop new material processes that can be customized to meet the needs of enterprises and customize material solutions to help them quickly realize the application of new materials in sand printing.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n

                          Comprehensive Advantages of 3DPTEK Sand 3D Printers<\/h2>\n\n\n\n
                            \n
                          1. Full-size product matrix<\/strong>: 3DPTEK has a full line of sand 3D printers ranging from 1.6 meters to 4 meters in size, including 3DPTEK-J1600Pro<\/a>,3DPTEK-J1600Plus<\/a>,3DPTEK-J1800<\/a>,3DPTEK-J1800S<\/a>,3DPTEK-J2500<\/a>,3DPTEK-J4000<\/a> A variety of models, such as to meet the different sizes of enterprises, different sizes of castings printing needs, to avoid enterprises due to the limitations of equipment specifications missed orders.<\/li>\n\n\n\n
                          2. open source material process<\/strong>It supports users to adjust the binder and sand material formula as needed to reduce the material cost 20%-30%. At the same time, it is equipped with high-performance resin binder, curing agent and cleaning agent to ensure the stable quality of sand molding and solve the problems of material selection and process optimization of the enterprise.<\/li>\n\n\n\n
                          3. High-precision molding technology<\/strong>The company adopts piezoelectric inkjet technology, high-resolution inkjet system, and special binder formula to realize \u00b10.3mm high-precision printing, which effectively reduces the machining allowance of the castings, improves the quality of the castings and the production efficiency, and is especially suitable for aerospace, automotive and other industries with stringent requirements for precision.<\/li>\n\n\n\n
                          4. Flexible area molding without sand box<\/strong>As 3DPTEK-J4000<\/a> Innovative use of sandbox-free flexible area molding technology, support for local printing, can economically and efficiently realize the manufacture of oversized sand molds, compared with the traditional box printing, the equipment footprint is reduced by more than 30%, and the printing cost is reduced by 15%-20%.<\/li>\n<\/ol>\n\n\n\n

                            Through the above selection strategy based on casting size and material, combined with the comprehensive advantages of 3DPTEK sand 3D printers, enterprises can accurately match the parameters of the equipment to achieve a high degree of compatibility between equipment performance and production needs, and at the same time improve the quality of castings, reduce production costs and enhance market competitiveness.<\/p>","protected":false},"excerpt":{"rendered":"

                            2025 How to choose a sand 3D printer? 3DPTEK full-size models (J1600\/J2500\/J4000) + open-source material process, help foundry enterprises to accurately select the model, reduce costs 30%+, improve the casting accuracy to \u00b10.3mm.<\/p>","protected":false},"author":1,"featured_media":2372,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[36,45],"class_list":["post-2371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-sha-xing-3d-da-yin","tag-sha-xing-3d-da-yin-ji-xuan-gou"],"acf":[],"yoast_head":"\n2025 \u7802\u578b 3D \u6253\u5370\u673a\u9009\u578b\u6307\u5357\uff1a\u6839\u636e\u94f8\u4ef6\u5c3a\u5bf8\u3001\u6750\u8d28\u9009\u5bf9\u8bbe\u5907\u53c2\u6570 - \u4e09\u5e1d\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"description\" content=\"2025 \u7802\u578b 3D \u6253\u5370\u673a\u600e\u4e48\u9009\uff1f\u7ed3\u5408\u94f8\u4ef6\u5c3a\u5bf8\u3001\u6750\u8d28\u5b9a\u53c2\u6570\uff013DPTEK \u5168\u5c3a\u5bf8\u673a\u578b\uff08J1600\/J2500\/J4000\uff09+ \u5f00\u6e90\u6750\u6599\u5de5\u827a\uff0c\u52a9\u94f8\u9020\u4f01\u4e1a\u7cbe\u51c6\u9009\u578b\uff0c\u964d\u672c 30%+\uff0c\u63d0\u5347\u94f8\u4ef6\u7cbe\u5ea6\u81f3 \u00b10.3mm\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.3dptek.com\/en\/blogs\/2025-sand-mold-3d-printer-selection-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2025 \u7802\u578b 3D \u6253\u5370\u673a\u9009\u578b\u6307\u5357\uff1a\u6839\u636e\u94f8\u4ef6\u5c3a\u5bf8\u3001\u6750\u8d28\u9009\u5bf9\u8bbe\u5907\u53c2\u6570\" \/>\n<meta property=\"og:description\" content=\"2025 \u7802\u578b 3D \u6253\u5370\u673a\u600e\u4e48\u9009\uff1f\u7ed3\u5408\u94f8\u4ef6\u5c3a\u5bf8\u3001\u6750\u8d28\u5b9a\u53c2\u6570\uff013DPTEK \u5168\u5c3a\u5bf8\u673a\u578b\uff08J1600\/J2500\/J4000\uff09+ \u5f00\u6e90\u6750\u6599\u5de5\u827a\uff0c\u52a9\u94f8\u9020\u4f01\u4e1a\u7cbe\u51c6\u9009\u578b\uff0c\u964d\u672c 30%+\uff0c\u63d0\u5347\u94f8\u4ef6\u7cbe\u5ea6\u81f3 \u00b10.3mm\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.3dptek.com\/en\/blogs\/2025-sand-mold-3d-printer-selection-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"\u4e09\u5e1d\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-21T08:05:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T08:05:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.3dptek.com\/wp-content\/uploads\/2025\/08\/2025-Sand-Mold-3D-Printer-Selection.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"3dptek\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"3dptek\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.3dptek.com\/blogs\/2025-sand-mold-3d-printer-selection-guide\/\",\"url\":\"https:\/\/www.3dptek.com\/blogs\/2025-sand-mold-3d-printer-selection-guide\/\",\"name\":\"2025 \u7802\u578b 3D \u6253\u5370\u673a\u9009\u578b\u6307\u5357\uff1a\u6839\u636e\u94f8\u4ef6\u5c3a\u5bf8\u3001\u6750\u8d28\u9009\u5bf9\u8bbe\u5907\u53c2\u6570 - 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