||Forging started at the Sumitomo Besshi Mine Shop
||Casting started at the Sumitomo Bessi Mine Shop
||Old casting plant was completed
||Incorporated as Sumitomo Machinery Co.,Ltd.
In-house supplier of castings and forgings
||Roll plant completed
||Changed to be Sumitomo Machinery Industries Co.,Ltd.
||Relocated forging plant to Isoura
||Changed to be Shikoku Machinery Industries Co.,Ltd.
||Restored to be Sumitomo Machinery Industries Co.,Ltd
||DCI rolls manufactured first in Japan.
||Established Foundry Division
||Started Sales outside
||Renamed to be Foundry & Forging Division
||Roll Section independent from Foundry Division
||Renamed to be Sumitomo Heavy Industries Co.,Ltd
||Completed highly modernized cast steel foundry
||Development of SIP-DCI heat treatment technology
||Established Sumitomo Heavy Industries Foundry & Forging Co.,Ltd
||World-first product by Osprey Spray Deposition Process
||Completed one of the Japan's largest vertical centrifugal casting machine
||Completed surface hardening foundry
||Completed Osprey Spray Deposition Plant
||Completed overall facilities for high-speed tool steel roll manufacture
||Acquired ISO 14001 certification
||Established Shin Nippon Chain &Machinery Co.,Ltd.
||Renamed to be Sumitomo Heavy Industries Himatex Co.,Ltd.
Shin Nippon Chain & Machinery Co.,Ltd. became a 100% owned subsidiary
||Acquired ISO 9001 certification
||Completed inclinable small-sized centrifugal casting machine
||Withdrawal from cast steel business
||Transferred Slide Gato business to Kurosaki Harima Corporation
||Introduction of entire equipment for adamite and graphitic steel roll production
Developed a new type ductile iron roll with an
improved anti-wear property
||Acquired Shin Nippon Chain & Machinery
Fuel conversion from heavy oil to LP-gas for a heat treating furnace applied
to rolling mill rolls
Introduction of TPS(Toyota Production System)to shorten lead time for roll
||Relocation of machining shop for small-and-medium sized rolls to lsoura District.
Introduction of a machining center with fine-face machining equipment and three NC lathes into the machine shop.
Fuel conversion to LP-gas for another roll heat treating furnace
||Large lathe for machining large rolls such as blooming rolls and billeting
||Emission spectral analysis apparatus renewed
||Lead time shorted 30 days by project activities based upon TPS(Toyota Production
||HBS(Sumitomo Heavy Industries Himatex Business School)opened
Start of cost reduction activity based upon TPS
High speed tool steel based roll with a higher resistance to heat crackings for roughing train was developed
||Opening of SHI Himatex Management School(first term)
Start of development of a new technology for hard facing
Start of development of a new type roll material for a new application
||Start of second term of SHI Himatex Management School
Renewal of a roll foundry overhead crane to a latest speed-control type(125tons/50tons)