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Hirotec Corp.

President
Norifumi UNO (Mr.)
Year established
1958
Capital
100,000,000 yen
Sales
55,000,000,000 yen
Employees
1,928
Postal (zip) code
731-5197
Company address
5-2-1 Ishiuchiminami, Saeki-ku, Hiroshima-shi
Phone
082-941-7800
Fax
082-941-7830
E-Mail
general@hirotec.co.jp
URL
https://www.hirotec.co.jp/
Company PR

We develop, design, and manufacture dies, jig units, and assembly plants, by making the most of our accumulated technology in manufacturing automotive parts (doors, Exhaust system parts). Our products are delivered to auto manufacturers all over the world.

Major Products
Stamping and assembly of automotive body parts, e.g. car doors.
Design and manufacturing of stamping dies and jig units for automotive parts.
Design and manufacturing of automated plants and forging presses.
Manufacturing of parts for construction machinery and anti-pollution measures, and their production facilities.
Working of resin parts and manufacturing of molds.
Major Customers
Mazda Motor Corp.
Honda Motor Co., Ltd.
Toyota Motor Corp.
Nissan Motor Co., Ltd.
Daihatsu Motor Co., Ltd.
Major Facilities/Equipment
Machine tool 22
 5-face machining unit, large NC milling machine, machining center, etc.
CAD/CAM system 125
 CATIA-V5, UNIGRAPHICS, I-DEAS, Auto-CAD (MDT), etc.
Die spotting press 9
 100 t - 150 t
Press 28
 Mechanical: 300 - 1,300 t
Press 1
 Hydraulic: 1,600 t
Technology Employed
Transportation machinery/equipment manufacturing industry
Technology to cater for every phase of production, from joint product development of car doors through facility production, quality design, and mass production.
Transportation machinery/equipment manufacturing industry
Own technology for factory improvement, quality design, etc.
Transportation machinery/equipment manufacturing industry
Technology to design and produce high-precision large stamping dies, utilizing a CAD/CAM system.
Transportation machinery/equipment manufacturing industry
Technology for stamping die production through mass production, regardless of plate thickness.
Transportation machinery/equipment manufacturing industry
Technology to produce molds for thermoplastic resin and to manufacture resin parts.
Transportation machinery/equipment manufacturing industry
Accumulated know-how which allows changing of a 10 t stamping die on the tandem press line in 30 seconds.
Transportation machinery/equipment manufacturing industry
Technology to weld multiple stamped parts to make car door assemblies with an accuracy of 0.5 mm.
Transportation machinery/equipment manufacturing industry
Technology to perform welding without leaving spot-welding marks on the door surface.
Transportation machinery/equipment manufacturing industry
Hardware and software for automated facilities to correct door sashes to meet specifications.
Transportation machinery/equipment manufacturing industry
Technology to develop low-cost robots for assembly plants.
Primary Area of Technical Expertise

We have comprehensive technologies to take charge of every step in car door manufacturing, from development through mass production. we have provided technical support for production and improvement of jigs and molds utilizing the know-how we have accumulated through door manufacturing to car manufacturers around the world.

Future Business Challenges
Manufacture aftermarket automotive parts.
Door module for automotive parts
Provide engineering support.
Manufacture automated units and assembly plants.
Motor parts business for automobile electrification
Future Technical Challenges
Transportation machinery/equipment manufacturing industry
Develop an innovative production system for body parts.
Transportation machinery/equipment manufacturing industry
Develop a technology to produce stamping dies for small-batch production and low-cost simplified stamping dies.
Transportation machinery/equipment manufacturing industry
Develop jigs to comply with diverse and small-batch production.
Transportation machinery/equipment manufacturing industry
Develop a stamping simulation technology.
Transportation machinery/equipment manufacturing industry
Research applications of the resin molding (stamping) technology.
Other

Patent: 55 items
Model utility: 16 items
(Status as of the end of November 2023; including foreign rights)

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