Castem's lost-wax technology possesses unique know-how obtained through its own research and development, without relying on the foundational technologies established in the United States.
Shape: Complex shapes and three-dimensional curved surfaces can be mass-produced at low cost. Material: Special steel, stainless steel, copper alloys, and aluminum alloys can be freely selected. Additionally, since the same mold can be used for material changes, it is easy to compare and evaluate during the prototype stage. Strength: By integrating adjacent parts and auxiliary components into a single casting, weaknesses caused by assembly and welding can be eliminated. There are no directional weaknesses due to residual stress that occurs in cast products or parts with significant machining allowances. For movable parts, unnecessary inertial forces can be eliminated by reducing weight, which increases durability. Thus, strength can be freely pursued from the two aspects of shape and material. Casting Surface: There are slight differences depending on the casting material, but small parts are around 12S and large parts are around 20S. Accuracy: Compared to other casting methods, the accuracy is high, allowing for a reduction in the number of machining processes.
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basic information
The lost-wax method achieves significantly higher dimensional accuracy and beautiful casting surfaces compared to traditional casting. It also allows for the mass production of complex shapes that appear to be integrated in adjacent parts. Furthermore, it can accommodate high-grade materials such as titanium, offering a much wider selection of materials than die-casting, which primarily uses low-melting-point materials like aluminum and zinc. Despite these features, the lost-wax method is merely one of the well-known casting techniques. However, Castem's lost-wax technology possesses unique know-how obtained through independent research and development, without relying on the foundational techniques established in the United States. It is capable of producing high-precision screws and gears that were previously only achievable through machining, demonstrating a high level of quality that is unmatched by other companies in the industry.
Price information
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Delivery Time
P4
Applications/Examples of results
Various types of overtime mechanical parts, medical device parts Mold cost: The cost of mold production is extremely low (about 1/5 compared to molds for plastic parts), and once a mold is made, it is semi-permanent. Design changes and material changes using the same mold are also easy. Production cost: <Prototype stage, small-scale production> Due to the low mold cost, the cost per product is definitely cheaper compared to other manufacturing methods. <Mass production stage> We adopt the most suitable plan according to the product, achieving low prices. Processing cost: Machining may become unnecessary or can be significantly reduced. This makes it easy to switch to difficult-to-process materials that were previously avoided. Assembly cost: Due to processing convenience, several parts that were previously combined can be integrated and manufactured at a low cost. This is expected to lead to significant cost reductions.
Company information
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.
