High-level quality developed independently! Compatible with over 70 types of steel, with more than 35,000 proven models. We propose the optimal shape and material according to your application.
Castem's core technology is "lost wax precision casting," which excels in producing complex three-dimensional shapes. Since our founding, we have continued to respond to customer inquiries for manufacturing everything from simple shapes to challenging designs, with a track record of over 35,000 types of precision metal parts across various industrial sectors. In response to various demands for metal materials, we have started handling over 70 types of steel, including stainless steel, copper, and aluminum. We also accommodate special steels and unique ultra-duralumin aluminum materials (A7075 optimized for original casting), and we continue to challenge ourselves with new materials. 【Castem's Lost Wax】 - Capable of mass-producing complex shapes and three-dimensional curved surfaces at low cost. - There are slight differences depending on the casting material (approximately 12S for small parts, 20S for large parts). - Strength can be freely pursued from two aspects: shape and material. - Special steel, stainless steel, copper alloys, and aluminum alloys can be freely selected. - Compared to other casting methods, it offers high precision and reduces the number of processing steps. *For more details, please refer to the related link page or feel free to contact us.
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basic information
【Lost Wax Manufacturing Process】 ■1. Mold Production ■2. Wax Molding ■3. Tree Assembly ■4. Coating ■5. Wax Removal ■6. Firing ■7. Casting ■8. Mold Breaking ■9. Cutting ■10. Product Inspection ■11. Machining *For more details, please refer to the related link page or feel free to contact us.
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Applications/Examples of results
- Body Material: SCS13 Size: φ88 × 37t Industry: Valve equipment related - Lever with lower bobbin roll Material: S45C (precision casting) Size: 31.5×25×9.5 Industry: Sewing machine related - Clamp yoke Material: CAC406 (BC6) Size: 62×37×13 Industry: Railway related - Hook latch Material: CAC406 (BC6) Size: 52.5×26.5×15.7 Industry: Railway related - Kelle for ratchet wheel Material: S45C (precision casting) Size: 18×9.6×7.5 Industry: Measuring instrument related - Anti-winding plate Material: SCS13 Size: 39.5×31×6 Industry: General industrial equipment related - Side stand bracket Material: S25C (precision casting) Size: 77×72×49.5 Industry: Motorcycle equipment related *For more details such as photos, please visit the "Achievements" section of our website or feel free to contact us.*
Detailed information
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■Shape Change and Optimization We used to manufacture by conventional cutting and assembly (welding), but we proposed integration using lost wax casting. Furthermore, we optimized the shape to match the object and created a sample using a 3D printer. You were able to see the actual size sample and confirm the situation with the object. Material: SCS13 Size: 70×40×35
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■From Machined Products to Lost Wax Method Previously, we used machined products, but by switching to the lost wax method for manufacturing, we have improved mass production capabilities and reduced lead times. Additionally, by removing unnecessary material, we are achieving weight reduction and lowering material costs. Furthermore, we are reducing processing surfaces to keep processing costs down while maintaining quality. Material: S45C (Precision Casting) Size: 90×70×31
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■Cost reduction through shape modification and integration In conventional products, manufacturing involved multiple processes such as laser cutting, bending, machining, and welding. However, we propose integration using the lost-wax method. Since it can be produced using a single method, it eliminates the hassle of managing between processes, reduces machining through integration, and increases strength. Additionally, by checking the contact surface with the object and shaping that part into a convex form, we reduce the dimensional management range, making quality control easier. Material: SCS13 (SUS304 precision casting) Size: 62×37.5×30
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Lost wax is a friend to designers. Parts made through precision casting have the potential to enhance the performance of the entire machinery and equipment being produced. - Freedom of shape (lightweight, design flexibility, no machining, no welding integration) - High strength - Beautiful appearance - Freedom of material (copper, aluminum, stainless steel, special materials, etc., as long as they can be melted in the atmosphere)
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With a posture of "just half a step" without complacency, we have cultivated "lost wax precision casting" over many years. Utilizing 3D printing technology, we offer next-generation precision casting technology called "Digital Cast." We obtained a U.S. patent for "MIM (Metal Injection Molding)" in 1991. We provide optimal proposals using various technologies and thoroughly support our customers' manufacturing! We specialize in complex three-dimensional shapes in small lots of various types and carry out everything from mold making to casting, machining, and simple assembly in an integrated in-house system. We supply products to various industries, including medical devices, semiconductors, machine tools, and aerospace. "Just make it, from one piece." We can propose a wide range of manufacturing methods from prototype production of one piece to mass production. We also enable time savings in searching for various suppliers and considering consultation destinations, becoming a true total cost reduction partner by proposing reductions in management costs related to consideration time and product costs. More than half a century ago, Castem began its casting business by handcrafting machine tools. Today, we have become a leading company in Japan for manufacturing general industrial components using lost wax casting and are also engaged in the production of micro lenses and micro needles using the world's highest precision 3D light shaping technology.