Title:
LAMINATED CORE MANUFACTURING APPARATUS CAPABLE OF HEATING INNER DIAMETER OF LAMINATED CORE
Document Type and Number:
WIPO Patent Application WO/2018/038356
Kind Code:
A1
Abstract:
Disclosed is a laminated core manufacturing apparatus capable of heating the inner diameter of a laminated core. The present invention is a laminated core manufacturing apparatus comprising an upper mold (3) and a lower mold (4) and enabling the manufacturing of a laminated core (100) by stacking individual laminar members (101) which are formed by having a strip (100A) which is sequentially transferred on an upper portion of the lower mold (4) undergo a piercing process and a blanking process by means of punches provided to the upper mold (3), wherein the laminated core manufacturing apparatus further comprises: a squeeze ring (201) installed on a lower portion of a blanking die (11) for the blanking process; an elevating block (301) installed on a lower portion of the squeeze ring (201); an elevating means (302) for vertically moving the elevating block (301); and a heating block (304) installed on an upper portion of the elevating block (301) and positioned at an inner diametral surface of the laminated core (100).
Inventors:
JUNG IN GYU (KR)
Application Number:
PCT/KR2017/005117
Publication Date:
March 01, 2018
Filing Date:
May 17, 2017
Export Citation:
Assignee:
HANGNAM CO LTD (KR)
International Classes:
H02K15/02; H01F3/02; H01F41/02
Foreign References:
| JP2001185433A | 2001-07-06 | |||
| KR20160015563A | 2016-02-15 | |||
| KR20070074711A | 2007-07-18 | |||
| KR20160029404A | 2016-03-15 | |||
| KR101416627B1 | 2014-07-08 |
Other References:
See also references of EP 3503360A4
Attorney, Agent or Firm:
LEE, Sung Rok (KR)
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