Last updated : 02/19/2024
Sumino Kogyo Co., Ltd.
- President
- Noboru MIZUTA (Mr.)
- Year established
- 1906
- Capital
- 45,000,000 yen
- Sales
- 10,590,000,000 yen
- Employees
- 240
- Postal (zip) code
- 733-0833
- Company address
- 8-1-62 Shoko Center, Nishi-ku, Hiroshima-shi
- Phone
- 082-278-0010
- Fax
- 082-277-9369
- URL
- http://www.sumino.co.jp
Company PR
Starting with the production of clasps for tabi or traditional Japanese socks, Sumino Kogyo has recently been specializing in precision metal stamping. The company can handle any type of production, including for multiple products, large and small lots. Sumino Kogyo is currently producing 3,000 items, and is now attempting to obtain ISO-9002 certification. Sumino Kogyo obtained ISO-9002 certification in January 1998, ISO9001:2000 certification in November 2003, ISO14001 certification in August 2002 (migrated to 2015 version in 2018), and ISO/TS16949 certification in October 2008 (migrated to IATF16949 in 2017).
Major Products
- Small stamped, welded, painting, insert molded parts for automobiles.
- Parking Pole, Guide plate, and Automatic Transmission / Manual transmission Parts
- Door hinge reinforcements
- Hood lock stays, upper spring sheets
- Various types of blankets, reinforcements and other miscellaneous items.
Major Customers
- Mazda Motor Corp.
- Autoliv Inc.
- JTEKT CORPORATION
- NSK Ltd.
- Molten Corporation.
- Visteon Japan
- Webasto Japan Co., Ltd.
- Aichi Machine Industry Co., Ltd
- DaikyoNishikawa
Major Facilities/Equipment
- Transfer press
200 t, 400 t, 500 t
- Progressive press
60 t, 80 t, 110 t, 200 t, 250 t, 300 t, 400 t, 500 t
- Robot line
60 t, 80 t, 150 t, 200 t
- Resistance welding machine
35 kVA, 50 kVA, 75 kVA, 100 kVA, 150 kVA, Capacitor type
- Cation electro-deposition line
Dipping bath: 60 × 900 × 1000
- Vertical injection molding machine
Technology Employed
- Fabricated metal products manufacturing industry
- Operates at a punching precision of ±0.02 and drawing precision of ±0.02.
- Fabricated metal products manufacturing industry
- Offers low-cost production of relatively small lots via the robot lines.
- Fabricated metal products manufacturing industry
- Offers low-cost, high-reliability production via automated equipment developed in-house.
- Fabricated metal products manufacturing industry
- Offers low-cost, high-quality production via automated equipment developed in-house. Also utilizes multiple technologies.
- Fabricated metal products manufacturing industry
- Offers highly reliable, low-cost sub-assembly technology via automatic checking machinery, etc., developed in-house.
- Fabricated metal products manufacturing industry
- With cation electro-deposition and black dipping machines, etc., offers anticorrosive capabilities of 720 hours.
Primary Area of Technical Expertise
Has a technical center and equipment production division to support mass production. With a dedicated and highly capable staff, carries out design and fabrication (based on CAD/CAM) of press dies; design and production of automatic stamping and welding machines. Ensures optimum quality and low-cost production.
Future Business Challenges
- To actively carry out design activities to meet requests from customers.
- To extend know-how relating to ultra-high precision plastic working (sizing) in order to achieve considerable cost cutting by eliminating the necessity for machining.
- To shift emphasis from single item to function/assembly-oriented activities.
Future Technical Challenges
- Fabricated metal products manufacturing industry
- To attain a target of a 40% reduction in cost by eliminating the necessity for machining and extending know-how relating to ultra-high precision plastic working (sizing).
- Fabricated metal products manufacturing industry
- To ultimately be able to utilize unmanned lines, further automating existing lines via technology developed in-house.
- Fabricated metal products manufacturing industry
- To ultimately create an unmanned line, upgrading the level of in-house procurement of automated equipment to supply/dispense parts.
Other
Registered utility model: Board conveyance system using magazine Registered utility model: Equalizer for robots Registered utility model: Accumulation method and device to acquire stamping materials Registered utility model: Punching method and device for toothed parts Patent: Core production method, the core produced based on the method and the die used in the process Registered utility model: Backrest rising device for bed, security device
