Title:
FLEXIBLE MOLDING PROCESS AND SYSTEM FOR MAGNETIC POLE PROTECTIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2018/076963
Kind Code:
A1
Abstract:
A flexible molding process and system for a magnetic pole protective layer (242'). The molding process is as follows: assembling magnet steel (22) at a corresponding position on a side wall surface of a yoke (21), and sequentially laying a reinforcement material (242) and a vacuum bag (25) on a side wall surface of the magnet steel (22) and the yoke (21), the vacuum bag (25) and the side wall surface of the magnet steel (22) and the yoke (21) forming a closed system; conducting a impregnation process: evacuating the closed system so as to inject an impregnation liquid to the closed system for infiltration and impregnation; during the impregnation process, simultaneously heating and/or emitting an ultrasonic wave to the closed system; and after the impregnation process, performing a curing process to cure the impregnation liquid, so as to form the protective layer (242'). Heating can reduce the contact angle and a mechanical wave is transmitted to the impregnation liquid by means of ultrasonic vibration, so as to facilitate full infiltration and impregnation of the impregnation liquid, thereby reducing holes (qp) in the molded protective layer (242').
Inventors:
MA SHENGJUN (CN)
MA WANSHUN (CN)
MA WANSHUN (CN)
Application Number:
PCT/CN2017/102224
Publication Date:
May 03, 2018
Filing Date:
September 19, 2017
Export Citation:
Assignee:
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD (CN)
International Classes:
B29C70/36; B29C70/54; H02K15/03; B29L31/08
Foreign References:
| CN104325657A | 2015-02-04 | |||
| CN106469964A | 2017-03-01 | |||
| CN106515043A | 2017-03-22 | |||
| CN105346101A | 2016-02-24 |
Other References:
See also references of EP 3431273A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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