Company Profile
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Manufacturing and Quality

Our Hiroshima Plant plays a key role as the production base for Kobelco machines used throughout the world. This plant made strides in drastically changing its business environment and manufacturing. One example of this change was the start of the improvement initiative "K30D" which had a goal to increase productivity by 30%. In this initiative, a production line that could be "comfortable" and "enjoyable" was devised based on input from frequent discussions held day and night with staff and factory workers themselves. The "improvements to unify the factory floor" where manufacturing starts, proved quite successful. The workers in the plant were happy which enabled production lead times to be significantly reduced throughout the plant. Production became more efficient, and safety and quality were improved. This is one example of the type of creation Kobelco Construction Machinery tries to instill in its production facilities throughout the world. In addition, we will further strengthen our competitiveness by devising a QA system that allows us to produce high quality products under the Kobelco brand anywhere, and by reinforcing both tangible/intangible elements (physical facilities/human aspects and activities) of the Itsukaichi Plant and GEC.


Demonstrate high productivity by combining the abilities of people and machines



[Working together for improvement (Hiroshima Plant)]

We've introduced state-of-the-art robotic welding and machining tools in our production facilities throughout Japan and overseas. However, we also promote "Improvements in mechanical devices", i.e., non-electric applications using the principles of levers and gears. Kobelco Construction Machinery believes that being able to strike a good balance between manufacturing that makes the best use of the latest machines, and people with expertise, brings great flexibility and high productivity.


[Welding a lower frame (Hiroshima Plant)]


[Machining a swivel joint (Numata Plant)]

[Using a "Mechanical device" at a worksite]

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Adopting QC activities and establishing consistent QC



[Pre-shipment inspection (turning) process]

To provide customers with higher quality products, Kobelco Construction Machinery has established a complete quality control system in which materials and supply parts are inspected and each step of the manufacturing process is tested to arrive at a finished product. Not only do we use all of our inspection equipment and devices in each inspection process, but we work in conjunction with QC circle activities and other worker activities.


[Non-destructive testing using automatic UT apparatus(Production Liaison Conference)]


[Performance testing process(Production Liaison Conference)]

[Inspection with a three-dimensional measuring device]

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Working Toward a Globally Consistent Quality



[Quality conference]

 

 

Learning from each other: in pursuit of high quality together.

We promote a system that allows us to manufacture the same high quality products under the "Made by Kobelco" brand anywhere in the world. One part of this system is an annual conference on quality. In this conference, supervisors gather from domestic and overseas factories to discuss issues and goals, share success stories and help with the training of talented individuals from all over the world in the importance of a consistent understanding of quality.


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Manufacturing center


Japan
Hiroshima Plant
Hydraulic excavators Japan
Ogaki Plant
Mini excavators Japan

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China
CHENGDU KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Hydraulic excavators CHINESE
HANGZHOU KOBELCO CONSTRUCTION MACHINERY CO.,LTD.
Hydraulic excavators CHINESE

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Thailand
THAI KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Hydraulic excavators Thailand

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India
KOBELCO CONSTRUCTION EQUIPMENT INDIA PVT. LTD.
Hydraulic excavators India

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ISO9001 and ISO14001 Certification


International ISO certification can only be obtained by manufacturing plants that have optimized their operations while carefully analyzing and inspecting all manufacturing processes involved. Our Hiroshima and Ogaki plants have received ISO9001 certification for quality assurance and ISO14001 certification for environmental management systems. We are now in the process of developing equivalent manufacturing systems in our overseas facilities.

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