Leave all your needs for sheet metal processing—molds, press processing, painting, final assembly, and performance inspection—to the expert knowledge and experienced Sado Island Tech!
Our company manages collaboration within the group, including partner companies, from material procurement to in-house mold manufacturing, parts processing, painting, and final assembly. This allows us to analyze the causes of quality issues and propose improvements from temporary to permanent measures, thereby minimizing unnecessary costs and the emergence of unnecessary management elements. **Our Strengths** - **Reduction of Logistics Losses (Cost Reduction)** - By collaborating within the group from material procurement to simple assembly, we can suppress unnecessary costs and the occurrence of issues. - Direct procurement is possible, covering non-ferrous metals such as copper and stainless steel, in addition to steel plates. - **Resource and Cost-saving Proposals through Application of Established Technologies** - We can provide proposals that pursue quality and cost benefits by leveraging fundamental technologies associated with press processing and discerning the characteristics and required quality of materials. - **Early Response to Troubles through Upstream Design Philosophy (Improvement of Initial Quality)** - We focus on quality improvements aimed at enhancing assembly quality, including identifying potential failure modes. - **Quality First Principle with Flexible Response to Production Variability** - We respond comprehensively, from prototypes to high-volume cost-effective progressive processing. - We conduct strict inspections based on internal regulations and inspection specifications for parts (including drawings).
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【Mold Development】 We have established a system that allows for a consistent process from mold design, electrical discharge machining, wire cutting, and mold manufacturing using machining equipment, to assembly, adjustment, and trial runs. Under a collaborative quality management system utilizing 3D precision measurement, we respond to your requests. 【Press Processing】 We are equipped with a wide range of press machines from 35t to 500t, including high-performance servo press machines, and we pursue the efficiency and potential of metal pressing using single-shot, progressive, and robotic lines, including multi-point tapping in intermediate stages. For high-volume consumption projects, materials are procured through direct transactions with our parent company, Sado Island Co., Ltd., and various manufacturers. Secondary processing such as slitting and leveling is conducted through direct purchases from leading coil centers, especially for smaller quantities, starting with our group companies. Our collaborative system within the group contributes to Q.C.D. responses for our customers. 【Painting: Surface Treatment】 We can respond to rust prevention and surface treatment with short lead times. In particular, our cationic electrodeposition coating line includes a "pre-drying process after chemical treatment." The equipment is designed to ensure that the electrodeposition liquid penetrates even the smallest gaps in the parts, forming a uniform epoxy-based electrodeposition coating. Both electrodeposition and solvent painting focus on quality, delivery, and price, allowing us to provide high-quality products through accumulated expertise in equipment design and know-how.
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Detailed information
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◎Press Processing At the Urayasu Factory's Technical Department, serving as the group center, we design molds that are optimal for mass production scale and characteristics according to customer specifications and cost requirements. The molds produced by leveraging strong mold manufacturers, including the Koyama Factory, are equipped with life-hack-like specifications based on the experience cultivated since our founding, pursuing cost and quality that satisfy our customers. The products manufactured, regardless of the industry to which they are delivered, have quality data collected uniformly for each production lot, ensuring traceability at the product unit level.
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◎ Finished Product Assembly and Performance Guarantee Starting in early 2025, we will assemble finished battery units for major housing manufacturers. We will set up large-capacity batteries provided by the manufacturer and conduct finished product inspections that include individual battery performance and overall unit functionality tests, guaranteeing performance. Products that pass inspection will be packaged in dedicated cosmetic containers and shipped with serial management for specific individual households.
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◎Electrostatic Coating Product Size: W600×D600×H900 (up to 15kg) Paint: Epoxy resin (#80HV black) Film Thickness: 15–20μm *The inner coating may be slightly thinner depending on the shape. Hardness: 2H or higher Compatible Materials: Cold-rolled steel, hot-rolled steel, electroplated steel, stainless steel, aluminum, etc. Main Components: Automotive parts, agricultural machinery, electrical equipment, industrial machinery, devices, building materials, steel furniture, etc. ■Advantages - Excellent rust prevention (for automotive undercarriages and frames, etc.) - Can coat areas that are difficult to paint with hand spraying/electrostatic painting (some areas like the inside of pipes may not be paintable) - Environmentally friendly water-soluble paint (does not contain heavy metals like lead) - Suitable for mass production (continuous production) ■Disadvantages - Color hue switching is not possible (our product: black with 60-70% gloss) - Cannot be applied in two coats
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◎Electrostatic Coating Product Size: W500×D500×H1500 (up to 15kg) Paint: Acrylic-based/Polyester-based/Other, consultation available based on customer preferences (according to specified coating specifications and standards) Film Thickness: Approximately 25μ to 30μ *Determined according to specified coating specifications and standards Applicable Materials: Cold-rolled steel plate, hot-rolled steel plate, electroplated steel plate, stainless steel, aluminum, etc. Main Components: Automotive parts, agricultural machinery, electrical equipment, industrial machinery, equipment, building materials, steel furniture, etc. ■Advantages - The paint is micronized, allowing for a beautiful finish without bubbles. - By applying electrostatic coating over a primer (such as anti-corrosion coating), long-term reliability can be expected. ■Disadvantages - There may be instances where paint adheres to unexpectedly distant areas, necessitating masking as needed.
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Company information
Our company assists in the development and advancement of society through manufacturing processes such as sheet metal prototyping, mold making, pressing, painting, and assembly. We ensure speedy material procurement through collaboration with Sado Island Co., Ltd. Pressing is conducted at our Urayasu factory (Chiba), a wide variety of painting is done at our Iwatsuki factory (Saitama), and mold making takes place at our Oyama factory (Tochigi). We respond to various customer requests and are appreciated by many customers as a company that can deliver high-quality products promptly.