Wound core producing apparatus and wound core producing method
AssigneeNippon Steel Corporation
InventorsTakahito MIZUMURA, Hisashi MOGI
Life of this patent
Estimating the term…
Abstract
This wound core producing apparatus (40) is a wound core producing apparatus (40), the wound core being formed by bending and laminating a steel sheet (21), the wound core producing apparatus (40) including a bending device (20) that bends the steel sheet (21), and a feed roll (60) that feeds the steel sheet (21) to the bending device (20), in which a diameter of the feed roll (60) is 5 mm to 500 mm, a pressure applied to the steel sheet (21) by the feed roll (60) is 0.4 MPa to 2.4 MPa, and a Shore hardness of an outer circumferential surface of the feed roll (60) measured at 45° C. is A38 or more and A90 or less.
Claims6
A wound core producing apparatus, the wound core being formed by bending and laminating a steel sheet, the wound core producing apparatus comprising:
- a bending device that bends the steel sheet;
- and
- a feed roll that feeds the steel sheet to the bending device,
- wherein
- a diameter of the feed roll is 5 mm to 500 mm,
- a pressure applied to the steel sheet by the feed roll is 0.4 MPa to 2.4 MPa, and
- a Shore hardness of an outer circumferential surface of the feed roll measured at 45° C. is A38 or more and A90 or less.
Dependencies are inferred from the claim text.