Precision Castings - List of Manufacturers, Suppliers, Companies and Products

Precision Castings Product List

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Introduction of Eisei Seisakusho Co., Ltd. by Hinode Holdings.

Introduction of Eisei Seisakusho Co., Ltd. by Hinode Holdings.

Evolving high-precision processing that fuses long-cultivated skilled techniques with digital technology.

We, Eisei Seisakusho, are a machining company specializing in high-precision processing, founded in 1961. In 2021, we celebrated our 60th anniversary, prioritizing the pursuit of accuracy and continuously honing our skills. We own large 5-axis machining centers, small machining centers, NC lathes, grinding machines, and more, enabling us to achieve high-precision processing at the micron level across a variety of materials such as iron, aluminum, stainless steel, and copper. Additionally, we are capable of high-precision processing of castings, which are typically challenging to work with, thanks to our long years of experience and insights into optimal chucking and processing conditions. Recently, we have integrated digital technologies by introducing the latest processing equipment, allowing us to provide more accurate and speedy responses.

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Lost-wax precision casting [Precision metal parts]

Lost-wax precision casting [Precision metal parts]

High-level quality developed in-house! 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 continuously responded to customer inquiries for manufacturing everything from simple shapes to challenging designs, with over 35,000 successful cases. 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-high-strength duralumin (A7075 optimized for original casting), and we continue to challenge ourselves with new materials. 【Castem's Lost Wax】 - Higher precision and beautiful casting surfaces compared to other casting methods, allowing for a reduction in processing steps. - Capable of mass production of 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 steels, stainless steel, copper alloys, and aluminum alloys can be freely selected. *For more details, please refer to the related link page or feel free to contact us.

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We optimize the manufacturing method and shape according to the application [Lost Wax Example].

We optimize the manufacturing method and shape according to the application [Lost Wax Example].

We propose the optimal shape along with 3D printed products. We provide thorough support from prototype to mass production for our customers!

The image shows an example of a part that was originally manufactured through cutting and welding, which has been integrated using lost-wax precision casting. Furthermore, the shape has been optimized, and a sample was produced using a 3D printer. You were able to see the full-scale sample in person and confirm the situation with the object. Material: SCS13 Size: 70×40×35 【Castem's Lost-Wax Method】 Castem's core technology is "lost-wax precision casting," which excels in creating complex three-dimensional shapes. Since our founding, we have continued to respond to customer inquiries for manufacturing from simple shapes to challenging ones, with over 35,000 molds produced. In response to various demands for metal materials, we have expanded to handle over 70 types of steel, including stainless steel, copper, and aluminum. We also accommodate special steels and unique ultra-high-strength aluminum materials (A7075 optimized for original casting) and continue to challenge ourselves with new materials. In addition to cost reduction, we consider the flow of molten metal and production efficiency, proposing shapes and methods tailored to specific applications. For precision metal parts, please feel free to consult with Castem.

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Improvement in both cost and quality [Changing from cutting & sand casting to digital casting]

Improvement in both cost and quality [Changing from cutting & sand casting to digital casting]

There are no drawings for the parts, and the processing company has gone out of business... If you are having trouble with metal parts, please consider "Digital Cast," a mold-less casting solution.

The image is an example of manufacturing an elephant trunk (the part used for the handles and tips of rickshaws) by Digital Cast. The previous material was brass, and it was manufactured through cutting, but the processing company reportedly went out of business. After that, it was manufactured once using sand casting, but it was expensive compared to cutting and had many defects, which was a problem. Therefore, we proposed Digital Cast, which can handle small lots, and were able to improve both cost and quality. 【What is Digital Cast?】 A method of producing metal products by creating resin models with a 3D printer and then following a process similar to lost-wax precision casting using those models as prototypes. Castings can be produced in as little as one week, starting from just one piece. We offer proposals that are beneficial even for development and prototyping. If you have parts under consideration for weight reduction or shape changes, please feel free to consult with us. 【Three Features of Digital Cast】 - Fastest delivery time of one week (usually two weeks) - Zero mold cost - Production possible from a minimum of one piece

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We propose the optimal shape for mass production with digital casting.

We propose the optimal shape for mass production with digital casting.

Digital casting with 3D printing and casting can produce castings in as little as one week, starting from one piece.

【Conventional Method】 Cutting Process 【Method】 Digital Cast 【Content】 This is a case study conducted when proposing shapes with an eye toward mass production. Digital casting, which allows for the creation of cast products from a single piece without molds, enables such shape modifications and prototypes to be made with low risk, providing peace of mind. We were able to produce test parts using the same method as mass production. 【What is Digital Cast?】 A method that involves creating a resin model with a 3D printer and then manufacturing metal products following a process similar to lost-wax precision casting using that model as a prototype. Castings can be produced in as little as one week, starting from just one piece. We offer proposals that are beneficial even in development and prototyping. If you have parts under consideration for weight reduction or shape changes, please feel free to consult with us. 【Three Features of Digital Cast】 - Shortest delivery time of one week - Mold cost of zero yen - Capable of manufacturing from just one piece ～～～～～～～～～～～～～～～～～～～～ Industry: Semiconductor Material: SCS13

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What can be done with lost-wax precision casting?

What can be done with lost-wax precision casting?

Hollow and complex three-dimensional shapes / Cost reduction / Reduction of processes / Compatibility with a variety of steel types… Introducing the strengths of lost-wax precision casting.

The lost wax precision casting method involves injecting wax into a mold to create a product model, coating it with ceramic to form a casting mold, and then casting to produce metal parts. Its strengths are as follows: ✅ Hollow and complex three-dimensional shapes ✅ A diverse selection of over 70 steel types (including iron, stainless steel, copper, aluminum, and special materials such as super duralumin) ✅ Cost reduction achieved through meat removal considering productivity ✅ Time savings through reduced number of processes ✅ Small lot production of various types (from dozens to thousands per lot) ✅ Affordable aluminum molds that can be used semi-permanently ✅ Capable of handling large items from a few grams to 30 kg (preferred size is 30 to φ300 mm) "I want to integrate multiple parts," "I want to increase strength," "I want to reduce costs compared to machining." "Machining and welding require multiple processes for a single part, leading to increased costs and time..." We propose optimal materials, shapes, and methods tailored to your concerns and requests. *For a list of materials and tolerance tables, click here* →https://www.castem.co.jp/technology/lostwax/ Please feel free to consult us through our website.

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It is possible to cast complex three-dimensional shapes using super duralumin "A7075".

It is possible to cast complex three-dimensional shapes using super duralumin "A7075".

Recommended for aerospace components and robot parts with weight reduction and increased strength. Enhance strength and propose bold shapes to reduce costs.

The ultra-high-strength aluminum material, super duralumin "A7075 (cast)", is now part of our original casting material standards! It can be used in lost-wax precision casting and mold-less casting "Digital Cast". "Wanting lightness and strength, but titanium is expensive. I want to keep costs down..." We solve such concerns. While possessing the unique lightness of aluminum, its tensile strength is close to that of stainless steel "SCS13 (equivalent to SUS304)". It is suitable for aerospace components and robotic parts where lightness and strength are required. With lost-wax precision casting, which excels in hollow and complex three-dimensional shapes, we can lead to cost reductions through optimal shape proposals. ★ For a detailed description of A7075, please see the attached image. ★ For compatible materials, click here: https://www.castem.co.jp/technology/lostwax/

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Try casting without a mold!

Try casting without a mold!

Would you like to prototype and validate easily and quickly?

✅Strength increase due to integrated shape ✅Product cost reduced by 40% ✅Elimination of hassle in arrangement and management by process 【What is Digital Cast】 A method of producing metal products using a resin model created by a 3D printer as a prototype, following a process similar to lost-wax precision casting. Castings can be handled in as little as one week, starting from just one piece. We will provide proposals that offer advantages even in development and prototyping. If you have parts under consideration for weight reduction or shape changes, please feel free to consult with us. 【Three Features of Digital Cast】 - Shortest delivery time of one week - Zero mold cost - Production possible from just one piece

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How to manufacture aerospace components with special materials?

How to manufacture aerospace components with special materials?

Would you like to try manufacturing parts that are currently being produced through cutting and welding at a lower cost and with a shorter delivery time?

Would you like to try manufacturing parts that are currently being produced through cutting and welding at a lower cost and with a shorter delivery time? The parts in the image were originally made by machining two separate components and then welding them together. Due to the special material known as Inconel 625, it was necessary to source from overseas processing companies, which increased costs. Additionally, this material is prone to work hardening, making machining very difficult. However, all of these issues can be resolved with the mold-free, multi-material casting method called Digital Cast! The key points of Digital Cast are as follows: ✅ The shortest delivery time is one week ✅ More than 70 types of materials (casting materials) are available ✅ Production is possible from just one piece ✅ No mold costs We also welcome inquiries for prototypes aimed at mass production or small-lot production! We will flexibly respond to your needs, so if you have parts you are considering for weight reduction or shape changes, please feel free to contact us. What is Digital Cast? It is a method of producing metal products by creating a resin model with a 3D printer and then following a process similar to lost-wax precision casting. Castings can be produced in as little as one week and from just one piece. We offer proposals that provide benefits even in development and prototyping.

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One-stop solution for casting-related issues (short lead-time prototyping, material development, stable supply)

One-stop solution for casting-related issues (short lead-time prototyping, material development, stable supply)

Please feel free to consult us about any concerns related to small lot production, casting JIS standards, production management, and other issues related to casting.

Do you have any of the following concerns regarding castings? - Are you struggling with small lot production? - Are you regretting the slight performance shortfall of castings in accordance with JIS standards? - Are you overwhelmed by managing a wide variety of low-volume production? - Are you incurring excessive labor and costs in the design, development, production, procurement, assembly, and quality control of parts? - Do you want to feel the future of casting materials, the potential of castings, and the evolution of castings? - Are you having difficulty selecting between iron castings, aluminum castings, steel castings, alloy castings, and non-ferrous castings? - Are you troubled by changes in machine accuracy due to thermal expansion of cast iron caused by temperature fluctuations? - Are you reconsidering supply chain management due to the risks of globalized parts procurement? - Are you satisfied with the characteristics of casting components? We at Hinode Holdings will work together to solve these concerns! *Please check the PDF for details.

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Introduction of Hinode Holdings and Yamagata Precision Casting Co., Ltd.

Introduction of Hinode Holdings and Yamagata Precision Casting Co., Ltd.

The "YSC System," which solves the problems of traditional lost-wax casting methods, maintains the advantages of lost-wax casting while establishing a low-cost mass production system.

- The "YSC system" is built with a fully automated line from mold making to drying. - It also solves the issues of traditional lost-wax casting methods! - Supports mass production with a maximum output of 500,000 units per month, resulting in cost reduction. - Capable of integrated support from material to processing, reducing customer management burden. - Creating new solutions through joint development of integration, lightweighting, and optimization of materials. - Domestic production with short lead times for quick response. - Actively engaged in research and development projects in collaboration with industry, academia, and government. - Enhanced heat resistance, toughness, and corrosion resistance of ferritic stainless steel (SUS430 cast steel). - Improved corrosion resistance and other properties of lost-wax stainless steel castings.

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Lightweighting of cast components through topology optimization design.

Lightweighting of cast components through topology optimization design.

Achieving weight reduction through the combination of topological optimization design and casting technology!

By utilizing topology optimization design and advanced casting techniques with excellent complex shape moldability, we can achieve extreme lightweighting of components while ensuring rigidity and strength. It also excels in aesthetic appeal, making it suitable for use as monuments or artworks. We provide one-stop support from design to prototyping, verification, and mass production supply.

  • Steel

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Shortening the prototype lead time

Shortening the prototype lead time

A variety of prototyping processes enable speedy casting prototypes!

We propose the optimal prototyping process for castings. We can flexibly accommodate your desired delivery time, quality, and cost, utilizing general sand casting and 3D printing for prototypes. We can handle a wide variety of materials (cast iron, aluminum castings, cast steel), shapes, and sizes. We also provide one-stop support for post-casting machining and mass production supply after prototype verification.

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