Copper alloy casting line
The highly productive casting line uses an automatic molding machine to create high-precision molds, and skilled workers pour molten metal melted by a high-frequency induction furnace. Copper alloy casting line
High-frequency induction melting furnace(Fuji Electric 500kw, Kitashiba Electric 450kw) 3units
Solid-state optical emission analyzer(Hitachi High-Tech SPECTRO LAB)1unit
Automatic molding machine (Sinto Kogyo FCMX-I) 1unit
Green sand mixer (Sinto Kogyo MS-15) 1unit
Sand mold transfer line(Sinto Kogyo) 1unit
Green sand property measuring device（Kanamori system Inc. KMX100）1unit
Shot blaster(Sinto Kogyo SNB-30, SNB-50) 3units
Deburring press(Komatsu) 2units
Automatic appearance inspection device AI judgment（Vrain Solution）1unit
Casting simulation software（Qualica JSCast）1unit
Bimetal bonding line
A bonding line that pours copper alloy into iron base metal to join iron and copper. This is an in-house production line filled with one-of-a-kind technology.
High-frequency induction melting furnace(Inductotherm 750kw, 450kw) 3units
Solid-state optical emission analyzer(Hitachi High-Tech SPECTRO MAXx) 1unit
Heating furnace(Niigata Furnace SIC heater, regenerative burner type) 3units
Bonding transport and cooling line(In-house original) 3units
Shot blaster(Shinto Kogyo SNB-50) 1unit
Powder sintering line
Oil-impregnated bearings, our main product, are manufactured by press molding powder, sintering it in a vacuum sintering furnace, and sinking oil into it in an oil-impregnating device.
Mixer(Powrex V-type mixer) 1unit
Powder molding press(Yuken Kogyo 500t, Tanaka Kame 200t) 3units
Vacuum sintering furnace(Chugai Ro Kogyo, IHI) 6units
Vacuum oil impregnation device(Hisaka Works) 1unit
Continuous sintering furnace(Yamazaki Electric pusher type) 1unit
Machining line
We perform precision machining of materials produced by the forging division. Automation with robots and loaders contributes to cost reduction.
NC lathe(Okuma, Mori Seiki, etc.) 66units
NC lathe with index chuck (Okuma, Nakamura Tome, Mori Seiki) 9units
NC lathe with 2-axis loader(Muratec, Takamatsu Kikai) 11units
Vertical machining center #50(Okuma, JTEKT, etc.) 18units
Horizontal machining center #50(Okuma, Makino Milling Machine, etc.) 19units
Vertical 5-axis machining center #40(Okuma, Mazak) 18units
Vertical machining center #30(Fanuc, etc.) 14units
Broaching machine (Fujikoshi, etc.) 2units
Hobbing machine (Mitsubishi Heavy Industries) 1unit
Cylindrical grinding machine (Mitsubishi Heavy Industries, Toyoda Machine Works) 4units
Surface grinding machine(Hamai Sangyo) 2units
Surface lapping machine(SPEEDFAM) 2units
5-axis robot attachment, deburring(FANUC) 12units
3D CAD/CAM software(KODAMA CORPORATION Top Solid Design / CAM) 2units
Facilities for Technology Development
Develop new copper alloy materials and test new manufacturing methods. Equipment for Technology Development
Die casting machine (Ube Industries UB670is) 1unit
Vacuum equipment (Ube Industries GF200) 1unit
Melting furnace (Inductotherm 75kw) 1unit
Heating furnace (Niigata Furnace regenerative burner type) 1unit
Gas soft nitriding heat treatment furnace (Oriental Engineering) 1unit
Mold casting machine 1unit