Title:
HIGH FREQUENCY INDUCTION HEATING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/192204
Kind Code:
A1
Abstract:
Disclosed is a high frequency induction heating method, comprising the following steps: Step 1, mixing Nd2Fe14B powder into a workpiece and sintering same; Step 2, coating a film on a surface of the workpiece, wherein the constituents of the coated film comprise 50 to 100 parts by mass of a graphite lubricating fluid, 50 to 53 parts by mass of titanium carbonitride, 10 to 12 parts by mass of silica, 4 to 6 parts by mass of cobalt oxide, 2 to 4 parts by mass of vanadium oxide, and 2 to 4 parts by mass of zinc oxide; and Step 3, placing the workpiece into a high frequency induction heating device for heating. The method is capable of heating the entire area on the surface of the workpiece to a preset temperature during high frequency induction heating.
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Inventors:
WU XIMIN (CN)
Application Number:
PCT/CN2017/109046
Publication Date:
October 25, 2018
Filing Date:
November 02, 2017
Export Citation:
Assignee:
SUZHOU HONGCHUANG HIGH FREQUENCY HEATING EQUIPMENT CO LTD (CN)
International Classes:
H01F1/057; H01F7/02; H01F41/02
Foreign References:
| CN107170544A | 2017-09-15 | |||
| CN103611667A | 2014-03-05 | |||
| CN103894587A | 2014-07-02 | |||
| CN102560444A | 2012-07-11 | |||
| US20160099104A1 | 2016-04-07 |
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