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  6. Achieving cost reduction through casting instead of machining [Case Study]

Achieving cost reduction through casting instead of machining [Case Study]

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last updated:Mar 27, 2026

CASTEM
CASTEM
  • Official site

Improving mass production with lost-wax precision casting! Please feel free to contact us.

Traditionally, it was a machined product, but by switching to lost-wax manufacturing, we have improved mass production capabilities and reduced lead times. Additionally, by removing unnecessary material, we are achieving weight reduction and reducing material costs. Furthermore, we are also reducing processing surfaces to keep processing costs down while maintaining quality. Material: S45C (precision casting) Size: 90×70×31

    gearMetal bearingsvalve
ロストワックス1.jpg

Achieving cost reduction through casting instead of machining [Case Study]

ロストワックス1.jpg
ロストワックス1.jpg
  • Related Link - https://www.castem.co.jp/technology/lostwax/

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basic information

【Lost Wax Manufacturing Process】 ■1. Mold Making ■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 *Compatible with a wide range of materials such as iron, aluminum, copper, and stainless steel. For more details, please refer to the related link page or feel free to contact us.

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Detailed information

  • ロストワックス2.jpg

    Conventional product

  • ロストワックス3.jpg

    In the lost wax shape, costs were reduced by rounding off the corners to lighten the weight. Only the functional areas were made into a convex shape to reduce the processing range.

  • ロストワックス4.jpg

    The slitting part was formed by connecting only the red〇 areas, and after processing the inner diameter, it was cut with a tool. While considering the processing accuracy of the inner diameter, the processing cost was reduced.

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Lost wax, MIM materials

Lost wax, MIM materials

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Technical Data (Detailed Information)

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Foundry's Crafting Recipe

Foundry's Crafting Recipe

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CASTEM

CASTEM

Machine elements and parts

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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.

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