岡山県 産業労働部産業振興課 Product Lineup

We conduct research, development, and manufacturing of electronic creation devices that meet customer demands in various fields such as broadcasting, communications, control, mechatronics, medical, and gas.

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Software Development Business

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Ultra-compact ozone generator

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A generation device that supports a concentration range of 1.4 ppm to 12,000 ppm and a flow rate of 200 to 10,000 L/h.

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We specialize in semiconductor inspection equipment and medical devices.

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A consistent production system from the manufacturing of raw powder for superhard alloys to product processing.

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Planning and conceptual design of devices, jigs, ancillary equipment, from design, manufacturing, electrical control, on-site, to repair and maintenance.

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JOHNAN DMS Co., Ltd. provides a one-stop service from design to assembly and inspection of devices and equipment. We leverage high-density mounting technology and years of manufacturing experience to flexibly respond to our customers' needs. By utilizing the strengths we have cultivated over the years in manufacturing, we will contribute to the creation of new added value for our customers by providing high-quality design and manufacturing services.

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High-precision machining × Rich material compatibility!

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High-difficulty molds and special parts can be produced in a short delivery time.

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We are a vibrant company that takes pride in our motto of bringing joy to our customers, continuously and aggressively challenging ourselves with high-level technologies.

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We have advanced our two core technologies, precision machining technology and measurement evaluation technology, over many years, providing advanced prototyping and processing of metal products, machinability evaluation testing services that offer characteristics and optimal processing conditions for metal materials, development of monitoring equipment for processing phenomena, research on joining during FSW (Friction Stir Welding), and residual stress measurement, among other activities.

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Precision machining of high-hardness metal materials

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Our company performs precision machining of forged and aluminum cast products extensively. By designing and manufacturing all processing jigs in-house, we pursue higher productivity and quality. Our machined products range from firearm components to aircraft parts, receiving high praise from each of our customers.

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We have advanced our two core technologies, precision machining technology and measurement evaluation technology, over many years, providing advanced prototyping and processing of metal products, machinability evaluation testing services that offer the characteristics and optimal processing conditions of metal materials, development of monitoring equipment for processing phenomena, research on joining during FSW (Friction Stir Welding), and residual stress measurement, among other activities.

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Since its establishment, our company has consistently focused on the development of precision machining technology and officially entered the machine tool industry in 1964 with the development of the horizontal precision boring machine "Jigmaster." In 1966, we gained attention for developing Japan's first horizontal machining center. Since then, our company has targeted the high-precision machining sector, developing and manufacturing machining centers with high accuracy and durability.

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I have many years of experience in manufacturing precision high-speed spindles for machining centers and jig borers.

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Assembly of internal combustion engine parts, machining of large components and difficult-to-cut materials, procurement of marine parts.

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It is used for prototyping in laboratories, processing small parts, and in assembly factories.

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We specialize in complex-shaped products that involve multiple processes, primarily manufacturing precision parts and mold components using simultaneous 3-axis, 4-axis, and 5-axis machining. Our strength lies in our ability to take responsibility for the entire manufacturing process, from materials to the final stages, ensuring rapid, high-precision, and high-quality production. Additionally, at our second factory established in 2014, we are actively engaged in research and development of our original product, the microreactor (a compact chemical reaction plant), to create high added value with unique features.

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Machining and welding of parts for agricultural machinery, construction machinery, transportation equipment, automobiles, and industrial machinery, etc. Processing and assembly of plate splitting pulleys, conveyor shafts, and hydraulic components.

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Key groove processing by slotter machine (spline processing, square hole processing, hexagonal hole processing)

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By introducing composite processing machines and automatic inspection devices, we are pursuing high precision and enhancing added value.

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We quickly introduced the latest cutting-edge machines in the industry. Utilizing various processing machines, we respond to our customers' needs with state-of-the-art cutting technology.

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Manufacturing and machining of large components (5-sided machining, turning, deep hole BTA).

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CAD/CAM, machining, and welding technologies based on mold manufacturing techniques.

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We perform metal cutting using lathes and machining.

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Inner and outer diameters of ring-shaped parts, polished finish.

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We handle products ranging from a small quantity to several thousand or even hundreds of thousands. We take pride in our unique mass production processing using our proprietary indexing machine, which is not seen in other companies.

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Various machined products, small batch short delivery items, complex shape high precision.

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Integrated production from sintering of superhard alloy materials to precision machining. Manufacturing of industrial spray nozzles combining difficult-to-cut material processing and fluid analysis technology.

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Stable quality mass production processing of complex shapes.

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We design our own tools in-house, enabling quick launches of new projects. We have introduced numerous state-of-the-art facilities, significantly improving productivity and precision.

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High-speed machining of aluminum parts, jig manufacturing for cast parts, and 5-axis machining of products.

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Our company has a small but elite workforce with many veteran employees and has nearly a century of tradition, maintaining business relationships with most major domestic companies.

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We manufacture a fully automated line by combining general-purpose machine tools and material handling robots, delivering high-quality and low-cost automotive parts.

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Design, manufacturing, and assembly of industrial machine parts, manufacturing of ship parts, repair of transportation equipment, design, manufacturing, and assembly of molds and precision parts.

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(Engineering Department) Precision Parts Processing for Production Machinery

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We manufacture components used in cutting-edge fields within the country, and we are capable of handling everything from prototyping to mass production with our extensive machining centers and NC lathes. Additionally, we have obtained certifications in specialized areas of precision parts, such as the "Medical Device Manufacturing Registration Certificate," ensuring that we provide high-quality, reliable, and satisfactory products.

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From new product manufacturing to customer-specific custom orders, regrinding and recoating, remanufacturing (remake, reuse), and purchasing waste carbide materials, we propose cost reduction in cutting processes through our comprehensive "one-stop service for cutting tools." Our regrinding aims not just to sharpen the blades but to "regenerate" them to be as good as new or even better. Typically, the lead time is one week for regrinding only and two weeks for regrinding plus recoating. Coatings are meticulously managed in a dedicated coating facility, offering about 30 types of coatings, including DLC, TiAlN, and TiN. We also have a rich lineup of our own products with various blade shapes, such as end mills, radius end mills, and ball end mills, tailored to the workpiece materials.

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Manufacturing of high-precision parts utilizing cold forging technology established since inception.

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We specialize in discharge machining utilizing the latest equipment along with our experience and know-how since our establishment, as well as 3D high-speed machining of small-diameter cutting tools.

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Our company manufactures a wide variety of machine parts using a unique computer-based production management system, and we deliver them with surface treatment included.

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Using internal tools for micro-hole processing as core technology, we possess precision machining capabilities, enabling micron-order fine hole processing. We are specialists in ultra-precision fine processing technology.

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We have developed and commercialized a seat belt cutter machine that can cut most textile products into narrow belt-like strips as our own product.

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