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  • KUMABOU METAL CO., LTD.

    Most suitable surface treatment for customer needs
    Main Image
    We handle surface treatment for metal work , such as anodization of aluminum alloy , industrial electroless nickel plating , electroplating,  and electrolytic polishing.  We can handle zinc plating for mass-produced motorcycle parts and auto parts. For customers further away, we can handle processing as well based on provided drawings, in addition to surface treatment.  We have developed our original surface treatment methods,  such as semi-conductive anodized aluminum (strong against
    
     static) and hard anodized aluminum (excellent corrosion
    
     resistance).

    製品・技術情報

    • Cosmo coat (conductive alumite)

      Cosmo coat (conductive alumite)

      [Product description] This is a surface treatment in manufacturing of semiconductors and FPD, which prevents the disturbance of static, a cause of yield loss. Setting the surface resistance to a value between 10 and 106 Ω will slowly leak the energy (charge) when the spark occurs due to static electricity, so any damage to the product can be prevented. There are three types of surface treatments: black brown and gold depending on the type and amount of metal to be introduced and they have different resistance areas respectively. The Cosmo coat is black because it is blackened by the metal unlike general black alumite , and there is no deterioration over time due to heat (and UV) nor fading under the environment of 600℃ and ultraviolet light. [Intellectual property] Aluminum or aluminum alloy surface forming method for inhibiting charging (Patent No.: 40190861) [Major facilities and equipment] Cosmo line (only Cosmo coat black: 3 800 x 3 100 x 300; - 3 600 kg) Subaru line (each color: 800 x 800 x 200; - 10 kg)

    • E-Mait UH

      E-Mait UH

      [Product description] This has won several awards including (1) “Excellence Prize” in the 24th Small and medium enterprises excellent new technology/New product grand awards, (2) “Kyushu Bureau of Economy Trade and Industry Director Prize” in the 5th Monodzukuri (manufacturing) Nippon Grand Awards, and (3) “Grand Prize” in the 15th Kumamoto Prefectural Industrial Grand Awards (including E-Mait CL and SH). This is an alumite film with a hardness of Hv600, which far exceeds the hardness (Hv400) of general hard alumite films. This can also prevents the surface roughness caused by alumite treatments , and has wear resistance 2.5 times that of the conventional hard alumite . There are no cracks on the film , which can be an origin of corrosion (※at the standard film thickness) , and the corrosion resistance is also superior. [Major facilities and equipment] Ultra-hard line (800 x 500 x 200; - 10 kg)

    • E-Mait CL SH

      E-Mait CL SH

      [Product description] This won “Kyushu Bureau of Economy Trade and Industry Director Prize” in the 5th Monodzukuri (manufacturing) Nippon Grand Awards , as well as “Grand Prize” in the 15th Kumamoto Prefectural Industrial Grand Awards (including E-Mait UH). E-Mait CL is a hard alumite film with superior corrosion resistance and hardness similar to general hard alumite film s, with no cracks on the film (※at the standard film thickness). This treatment rarely shows natural coloring of film, typical in hard alumite , and the texture after the treatment is rarely impaired. Although the maximum hardness of E-Mait SH is Hv500 (which is inferior to Hv600 of E-Mait UH,) it can be applied to duralumin alloy to which E-Mait UH cannot be used. [Major facilities and equipment] Ultra-hard line (800 x 500 x 200; - 10 kg)

    • Neo-black

      Neo-black

      [Product description] Neo-black is RoHS compliant black electroless nickel plating, which does not contain lead in the film. Because the surface of nickel plating is blackened by forcible oxidization, there is no color fading on it due to high temperatures and ultraviolet rays. We can handle the maximum size of 2 200 x 1 200 x 400. [Major facilities and equipment] Subaru line (2 200 x 1 200 x 400; aluminum: up to 100kg, iron: - 400 kg)

    会社概要

    法人名

    KUMABOU METAL CO., LTD.

    ホームページ

    http://www.kb-m.co.jp/

    資本金

    20,000,000 (JPY)

    従業員数

    110

    設立年月

    2001

    本社所在地:国

    Japan

    本社所在地:住所

    1-4-15, Nagaminenishi, Higashi-ku, Kumamoto, Kumamoto, 861-8037

    業種

    Manufacture of fabricated metal products

    代表者

    Hiroaki Maeda   President

    代表電話番号

    096-382-1302

    代表FAX番号

    096-382-0352

    自由記載

    [Company strength]
    We were founded as “Maeda plating industry” in 1933 , and celebrated our 80th anniversary in 2013.  Throughout our history, we have undertaken surface treatment for major companies both in and outside of the local area.  We are located in Kumamoto prefecture in  Kyushu.  We perform surface treatment mainly for semiconductor manufacturing equipment parts, FPD manufacturing equipment parts, jigs and tools used in semiconductor manufacturing processes.  Since quality requirements for all these items are strict, we have conducted through inspections, checking everything from flaws of accepted goods to shipped items.  We can handle zinc plating for mass-produced motorcycle parts and auto parts, as well.
    
    [Business description]
    Surface treatment of metal work, anodization of aluminum alloy (normal,  black,  hard , hard black,  conductive,  and super-hard  etc.),  industrial electroless nickel plating (aluminum alloy,  and various iron materials),  electroplating (zinc plating plus trivalent chromate , industrial chrome plating,  nickel plating,  and nickel/chrome plating  etc.), and  electrolytic polishing (SUS material  aluminum material)  etc.
    
    [Industry]
    Metal surface treatment
    
    [Strength of products/technologies]
    We have developed our original surface treatments based on customer needs. Our Cosmo coat is conductive alumite with anti-static characteristics.  It has been adopted as a surface treatment for components sensitive to static including jigs and tools for semiconductor manufacturing processes.  Our e-Mite UH is super-hard alumite with a hardness of Hv600 (equivalent to hardened steel).  The adoption of e-Mite makes it possible to reduce the total weight by replacing iron parts with aluminum ones.  Our e-Mite CL is hard alumite with excellent corrosion resistance causing no film cracking (which becomes the origin of corrosion).  Other treatments include BS-ET treatment, which prevents  peeling electrification, and the thin film Teflon coating KBM-CF treatment, which can be used for tolerance parts.
    Our proactiveness towards development has been highly regarded, and we have received many awards, including New product grand awards “Excellence Prize” in the 24th Small and medium enterprises excellent new technology and the 5th Monozukuri (Manufacturing) Nippon Grand Award “Kyushu Bureau of Economy Trade and Industry Director Prize.” We have also obtained media coverage from Nikkei Tech-On!
    
    [Representative's message]
    Under our slogan “Kumabo metal infinite ,” we are going to beef up our sales activities to meet customer needs across the nation with our unique technologies and high quality products and services.  We also intend to increase the number of technical staff members to respond to customers better, and expand our business into different sectors leveraging our technological and quality control abilities gained through the semiconductor business.
    
    [Company structure for market development/overseas expansion]
    For customers further away, we can handle processing as well based on provided drawings, in addition to surface treatment.  This one-stop order will shorten the required time for delivery of parts, as well as time and labor for shipping.  We have no organizational structure to handle orders from overseas at present.
    
    [Awards and media coverage]
    [Awards] New product grand awards “Excellence Prize” in the 24th Small and medium enterprises excellent new technology; The 5th Monozukuri (Manufacturing) Nippon Grand Award “Kyushu Bureau of Economy  Trade and Industry Director Prize;” The 10th Kumamoto Prefectural Industrial Grand Awards “Technology Prize;” The 15th Kumamoto Prefectural Industrial Grand Awards “Grand Prize;” 
    [Media] Nikkei Tech-On! “Master hard alumite treatment to challenge the expansion of application of aluminum materials” (delivered on October 29  2013); Altopia “Development of super-hard alumite technology “E-Mait UH” (May 2012 issue)  etc.
    
    [Authorization/Certification]
    Obtained ISO9001 (2003)
    Obtained ISO14001 (2004)
    Certified under the Act on Enhancement of Small and Medium-sized Enterprises’ Core Manufacturing Technology (2010)
    
    [Joint research and development]
    Kumamoto Industrial Research Institute  Kumamoto University (Development of hard alumite film forming technology with excellent design property  2010-13  Strategic Core Technology Advancement Program
    
    [Transaction form]
    Consigned manufacturing (single unit to medium mass production)
    
    [Transaction terms]
    Subject to our terms and conditions
    
    [Main Clients / Business History (domestic)]
    Tokyo Electron Kyushu Limited (surface treatment of equipment components through processing firms) , Sony Semiconductor Co.  Ltd. (surface treatment of equipment components through processing firms) and other companies
    
    [Exhibition History/Information]
    Mechanical Element Technology Exhibition  Kansai, Mechanical Element Technology Exhibition,  Fine Tech Japan , NEPCON Japan, and others.   Mechanical Element Technology Exhibition in June at Tokyo Big Sight (planned),  Kansai Mechanical Element Technology Exhibition in October at Intex Osaka (planned)
    
    

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    Kyushu Head Office

    日本語ページ掲載情報

    https://jgoodtech.jp/ja_JP/web/jc0000000000181/jpn

    日本語ページ掲載情報

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