Nec Corporation

Jfe Steel Corporation

Medikit Co., Ltd.

Yokogawa Electric Corporation

Togo Medikit Co., Ltd.

Kato Hatsujo Kaisha, Ltd.

Anges Mg, Inc.

Hosokawa Micron Corporation

Hiroaki Nakajima

Yoshihiko Oda

Tomoyuki Okubo

Masanori Uesaka

Tadashi Nakanishi

Kuniharu Akabane

Kiyotaka Kozakai

Yoshinori Kobayashi

Yoshiaki Zaizen

Hiroyuki Takizawa

Satoshi Kitamura

Atsuya Yamashita

Hideharu Yajima

Kenji Habaguchi

Kazushi Sakamoto

Senji Watanabe

Masafumi Kisa

Mitsuhiro Kurono

Akira Sakurai

Hirokazu Ando

Satoshi Sonobe

Yoshitaka Nakao

Hideyuki Muto

Hiroyuki Saito

Hiroaki Matsuda

Ryuichi Morishita

Tatsuhiko Hiratani

Hironori Nakagami

Shunsuke Hayashi

Kohei Kurihara

Takashi Miyake

Seiji Nabeshima

Noriko Kase

Takeshi Hongo

Kentarou Kudou

Satoshi Ishikura

Atsushi Terayama

Hiroyuki Tsujimoto

Shunichi Kumagai

Yusuke Tsukada

Taiki Kanai

Koji Nagatomi

Shinya Kurosaki

Kaori Hara

Yohei Bando

Tsutomu Mieno

Toshikazu Ohashi

Shohei Toriumi

Akihiro Higashiinoue

Ichizo Ohkaka

Makoto Mitamura

Nao Suizu

Yoshihumi Kawano

Kunihiko Takagi

Saito Hiroyuki

Provided is a method of easily producing a non-oriented electrical steel sheet that contains substantially no Al and contains large amounts of Si and Mn and has low iron loss, comprising hot rolling a slab having a specified chemical composition to obtain a hot-rolled sheet; coiling the hot-rolled sheet; cold rolling the hot-rolled sheet once or twice with intermediate annealing being performed therebetween, to obtain a cold-rolled sheet; and subjecting the cold-rolled sheet to final annealing, wherein the hot-rolled sheet after the hot rolling is cooled at an average cooling rate from 800° C. to 650° C. of 30° C./s or more, and thereafter the coiling is performed at 650° C. or less.

Method of producing a non-oriented electrical steel sheet

Provided is a non-oriented electrical steel sheet that contains substantially no Al and contains large amounts of Si and Mn and has low iron loss, comprising a chemical composition containing C: 0.0050% or less, Si: 2.0% or more and 6.0% or less, Mn: 1.0% or more and 3.0% or less, P: 0.20% or less, S: 0.0050% or less, N: 0.0050% or less, Al: 0.0050% or less, and one or more selected from B: 0.0001% or more and 0.0050% or less, Nb: 0.0001% or more and 0.0050% or less, and V: 0.0005% or more and 0.0500% or less, with a balance consisting of Fe and inevitable impurities, wherein a number density of Si&#x2014;Mn nitrides with an average diameter of 50 nm or more and 500 nm or less is 1 or less per &#x3bc;m.

Non-oriented electrical steel sheet and method of producing same

A protocol converter is configured to be connectable between a field device and a device control apparatus and includes a converter controller and a converter storage. The converter controller acquires field data from the field device, writes the field data to the converter storage as a data set formed by a plurality of pieces of data and changes the value of a first counter controlled by the converter controller when the value of the first counter and the value of a second counter controlled by the device control apparatus are equal, and stops an operation to write the field data to the converter storage when the value of the first counter and the value of the second counter are different.

Protocol converter connectable between field device and device control apparatus, and data transmission by protocol converter

Disclosed is a non-oriented electrical steel sheet low in iron loss that is substantially free of Al and contains large amounts of Si and Mn. The disclosed non-oriented electrical steel sheet has a chemical composition containing C: 0.0050% or less, Si: 2.0% to 6.0%, Mn: 1.0% to 3.0%, P: 0.20% or less, S: 0.0050% or less, N: 0.0050% or less, and Al: 0.0050 % or less, with the balance being Fe and inevitable impurities, in which Si&#x2014;Mn nitrides having an average diameter of 50 nm to 500 nm has a number density of 1/&#x3bc;mor less.

Non-oriented electrical steel sheet and manufacturing method therefor

A steel containing C: not more than 0.0050%, Si: 0.1-5.0%, Mn: 0.02-3.0%, sol. Al: not more than 0.0050%, P: not more than 0.2%, S: not more than 0.0050%, N: not more than 0.0040%, T. Ca: 0.0010-0.0080%, T. O: not more than 0.0100% and having (T. Ca/T. O) of not less than 0.50 but not more than 2.0 by decarburizing to a C content of not more than 0.0050%, adding Si, decreasing Al as much as possible, and adding Ca is melted to form a slab. The slab is subjected to a hot rolling at a coiling temperature of not lower than 550&#xb0; C., a cold rolling and a finish annealing, or the slab is subjected to a hot rolling, a hot band annealing at a temperature of 900-1150&#xb0; C., a cold rolling and a finish annealing to thereby produce a non-oriented electrical steel sheet.

Non-oriented electrical steel sheet and production method thereof

Methods for producing non-oriented electrical steel sheets comprising steps including hot rolling a slab having a chemical composition comprising C: not more than 0.01 mass %, Si: not more than 6 mass %, Mn: 0.05-3 mass %, P: not more than 0.2 mass %, Al: not more than 2 mass %, N: not more than 0.005 mass %, S: not more than 0.01 mass %, Ga: not more than 0.0005 mass %, and the remainder being Fe and inevitable impurities, pickling without conducting hot band annealing or after conducting hot band annealing or self-annealing, subjecting to one or more cold rollings including an intermediate annealing therebetween and a finish annealing, and forming an insulation coating, an average heating rate from 500 to 800&#xb0; C. in the heating process of the finish annealing is not less than 50&#xb0; C./s, whereby a non-oriented electrical steel sheet having excellent magnetic properties is obtained even if hot band annealing is omitted.

Method for producing non-oriented electrical steel sheet having excellent magnetic properties

In the production of a non-oriented electrical stress sheet by hot rolling a slab having a chemical composition comprising, by mass %, C: not more than 0.005, Si: 1.5-6.0, Mn: 0.05-2.0 and P: 0.03-0.15, subjecting to a hot band annealing, if necessary, cold rolling, finish annealing, and forming an insulation coating, the cooling from 700&#xb0; C. to 500&#xb0; C. in the finish annealing is conducted in an oxidizing atmosphere with an oxygen potential P/Pof not less than 0.001 for 1-300 seconds, whereby P is segregated into the surface of the steel sheet after the finish annealing to obtain a non-oriented electrical steel sheet enhancing a crystal grain growth properties in the stress relief annealing.

Non-oriented electrical steel sheet, production method therefor, and motor core

When a non-oriented electrical steel sheet is produced by hot rolling a slab containing, by mass %, C: not more than 0.0050%, Si: 1.5-5.0%, Mn: 0.20-3.0%, sol. Al: not more than 0.0050%, P: not more than 0.2%, S: not more than 0.0050% and N: not more than 0.0040% to form a hot rolled sheet, cold rolling the hot rolled sheet without conducting a hot band annealing and then subjecting to a finish annealing, a compositional ratio of CaO in oxide-based inclusions existing in the slab defined by CaO/(SiO+AlO+CaO) is set to not less than 0.4 and/or a compositional ratio of AlOdefined by AlO/(SiO+AlO+CaO) is set to not less than 0.3, and a coiling temperature in the hot rolling is set to not lower than 650&#xb0; C.

Non-oriented electrical steel sheet and method for producing the same

A high-silicon steel sheet is excellent in terms of punching workability and magnetic property. The high-silicon steel sheet has a chemical composition containing, by mass %, C: 0.02% or less, P: 0.02% or less, Si: 4.5% or more and 7.0% or less, Mn: 0.01% or more and 1.0% or less, Al: 1.0% or less, O: 0.01% or less, N: 0.01% or less, and the balance being Fe and inevitable impurities, a grain-boundary oxygen concentration (oxygen concentration with respect to chemical elements segregated at grain boundaries) of 30 at % or less, and a microstructure in which a degree of integration P(211) of a {211}-plane of &#x3b1;-Fe on a surface of the steel sheet is 15% or more(211)=(211)/&#xd7;100(%), wherein(110)/100+(200)/14.93+(211)/25.88+(310)/7.68+(222)/1.59+(321)/6.27+(411)/1.55, and

High-silicon steel sheet and method of manufacturing the same

A medical safety needle is comprised of a needle body having a needlepoint, a covering body having a detent portion slidable on the needle body to catch the needlepoint so as to cover the needlepoint, and a resilient cantilever supporting the detent portion, a sleeve following the covering body to cover a side face of the needle body, a collar portion slidably fitting on the covering body, which is configured to get in contact with the cantilever to press the cantilever radially inwardly, and a housing being formed in a unitary body with the collar portion or having an end face on which the collar portion is capable of being seated, the housing being configured to carry the covering body from a first position to have the needlepoint exposed to a second position to have the needlepoint covered by the covering body.

Medical safety needle preventive of needlepoint re-exposure

A process control system includes: a controller; at least one input and output module connected to the controller; and an allowable propagation delay value calculator in the controller, the allowable propagation delay value calculator being configured to calculate, based on the number of input and output modules connected to the controller, an allowable range for propagation delay time between the controller and the input and output module.

Process control system

In the production of a non-oriented electrical stress sheet by hot rolling a steel slab containing, by mass %, C: not more than 0.005%, Si: not more than 8.0%, Mn: 0.03-3.0%, P: not more than 0.2%, S: not more than 0.005%, Al: not more than 3.0%, N: not more than 0.005%, Ni: not more than 3%, Cr: not more than 5%, Ti: not more than 0.005%, Nb: not more than 0.003%, As: not more than 0.005% and O: not more than 0.005%, subjecting to one cold rolling or two or more cold rollings interposing an intermediate annealing therebetween after conducting a hot band annealing or without conducting a hot band annealing and subjecting to a finish annealing, an average heating rate from 600&#xb0; C. to 700&#xb0; C. during the heating process in the finish annealing is set to not less than 50&#xb0; C./sec.

Method for producing non-oriented electrical steel sheets

A process control system includes an I/O module configured to be connected to a field device which is installed in a plant in which an industrial process is controlled, the I/O module autonomously transmitting data received from the field device, and a higher-level device that comprises a memory which temporarily stores the data autonomously transmitted from the I/O module, the higher-level device reading the data stored in the memory at a predetermined period.

Field bus system with industrial measurement device having automonous control operation

A medical safety needle includes a needle body having a needlepoint, a covering body having a detent portion slidable on the needle body to catch the needlepoint so as to cover the needlepoint, and a resilient cantilever supporting the detent portion, a collar portion slidably fitting on the covering body, which is configured to get in contact with the cantilever to press the cantilever radially inwardly, and a housing being formed in a unitary body with the collar portion or having an end face on which the collar portion is capable of being seated, the housing being configured to carry the covering body from a first position to have the needlepoint exposed to a second position to have the needlepoint covered by the covering body.

A transmitter is connected to a master device, and wirelessly transmits a timing packet, which is transmitted from the master device, to a receiver. The transmitter includes: an input unit for receiving an input of a timing packet from the master device; a delay compensation unit for obtaining a packet length of the timing packet and a modulation system used for radio transmission, calculating a device-specific delay value and a first propagation delay value based on the modulation system and the packet length, and calculating a delay compensation value based on the device-specific delay value and the first propagation delay value; a filter unit for adding the delay compensation value to a specific field of the timing packet; and an output unit for outputting the timing packet to the receiver.

Transmitter, transmission method, and non-transitory computer-readable medium storing program

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Tokyo, Japan

Hiroaki Nakajima