Jfe Steel Corporation

Komatsu Corporation

Jfe Mineral & Alloy Company, Ltd.

Hitachi, Ltd.

Mitsubishi Electric Corporation

Hokkaido University

Yusuke Fujii

Kazuo Hiramoto

Hiroshi Akiyama

Naoki Kikuchi

Kuniko Kojima

Yuji Yamasaki

Naoki Miyamoto

Muneharu Kuwata

Kikuo Umegaki

Toyohisa Shinmiya

Masahiro Yoshida

Shingo Sato

Masahiro Tadokoro

Hisataka Fujimaki

Masumi Umezawa

Hideaki Nishiuchi

Satoru Okagaki

Kazuhiko Higai

Toru Umekawa

Taisuke Takayanagi

Masaki Urabe

Yoshihiko Nagamine

Taeko Matsuura

Hiroki Shirato

Shinichi Shimizu

Kinya Nakagawa

Nobuhiko Oda

Shinichiro Fujitaka

Koichi Miyazaki

Haruka Yamazaki

Rintaro Fujimoto

Eiji Iizuka

Yasuhiro Kishigami

Ryo Kawabata

Katsuhiro Ochi

Yoshie Nakai

Takahiko Maeda

Yuuji Shibata

Mikihiro Mori

Noritaka Nishiguchi

Toshio Shiota

Ippei Higuchi

Hideya Masaki

Taira Nakamoto

Takeji Sakae

Toshiyuki Terunuma

A work machine control system includes: a pump; a cylinder operating a working equipment element in a movable range based on hydraulic oil supplied from the pump; a first path connected to the pump; a second path branching from the first path; a control valve adjusting the flow rate of the oil supplied to the cylinder via the first path; a bleed valve adjusting the flow rate of the oil discharged to a tank via the second path; a sensor detecting a posture of the element in the range; and a control device outputting a first command for adjusting the flow rate of the oil supplied to the cylinder and a second command for adjusting the flow rate of the oil discharged to the tank when the element is determined to be present in an end section of the range based on detection data of the sensor.

Work machine control system, work machine, work machine control method, and work machine control device

A method for producing low-carbon ferromanganese capable of achieving a high Mn yield. In producing low-carbon ferromanganese by blowing an oxidizing gas from a top-blowing lance onto a bath face of high-carbon ferromanganese molten metal accommodated in a reaction vessel provided with a top-blowing lance and bottom-blowing tuyere to perform decarburization, the slag composition during the blowing is adjusted so that a value of (CaO+MgO)/(AlO+SiO) on a mass basis in the slag composition is not less than 0.4 but not more than 5.0. Also, agitation is performed under a condition that an agitation power density ε of an agitation gas blown through the bottom-blowing tuyere is not less than 500 W/t.

Method for producing low-carbon ferromanganese

A press forming method includes: press forming a press formed product including a top portion, a side wall portion continuous from the top portion through a punch shoulder portion, and a flange portion continuous from the side wall portion through a die shoulder portion, the press formed product including a curved portion that is concave and curved in a top view; and increasing a bending radius of the punch shoulder portion in the curved portion from a center of a curve toward an end side of the curve.

Press forming method and press formed product

Growing community of inventors

Tokyo, Japan

Yusuke Fujii