Title:
Rolling machine
Document Type and Number:
Japanese Patent JP6345262
Kind Code:
B2
Abstract:
In the rolling mill, an orifice (20) (contracted flow part) and a chamber (21) (expanded part) are provided in a hydraulic line (19) for a hydraulic cylinder (17) (hydraulic pressing means). The orifice (20) is disposed more to the hydraulic cylinder (17) side than the chamber (21). The internal diameter of the orifice (20) is set to be 2.5 mm (Õ) or greater and 15 - 85% of the internal diameter of the hydraulic line (19). Thus, it is possible to control milling vibration.
Inventors:
Hideaki Furumoto
Kanji Hayashi
Akira Sako
Tadashi Hiura
Hideki Tonaka
Shinya Kanamori
Grandson
Group
King Fukushin
Xu Kunhua
Kanji Hayashi
Akira Sako
Tadashi Hiura
Hideki Tonaka
Shinya Kanamori
Grandson
Group
King Fukushin
Xu Kunhua
Application Number:
JP2016552761A
Publication Date:
June 20, 2018
Filing Date:
October 09, 2014
Export Citation:
Assignee:
primetals technologies japan corporation
International Classes:
B21B31/02; B21B31/32
Domestic Patent References:
| JP2001113308A | ||||
| JP2151310A |
Attorney, Agent or Firm:
Seishin ip patent business corporation