LOW-PRESSURE ALUMINUM CASTING MOLD AND LOW-PRESSURE ALUMINUM CASTING PROCESS FOR MOTOR ROTOR

WIPO Patent Application WO/2023/284587

A1

A low-pressure aluminum casting mold and a low-pressure aluminum casting process for a motor rotor. The low-pressure aluminum casting mold comprises an upper blade profile assembly, a lower blade profile assembly, a rotor iron core (1), a dummy shaft (2) and a flow divider (7). The upper blade profile assembly comprises an upper backing plate (3) and an upper mold (4), and the lower blade profile assembly comprises a lower backing plate (5) and a lower mold (6). The low-pressure aluminum casting mold further comprises a first pressing device (8) and four sets of second pressing devices (9). The low-pressure aluminum casting process comprises cold lamination, heating of the rotor iron core, mold preparation, hot lamination and low-pressure casting.

ZHANG WENHE (CN)
WU ZEYONG (CN)
ZHAI XIJUAN (CN)
KONG XIANGYONG (CN)
ZHANG HONGRONG (CN)
CUI CHAO (CN)
YAN JUNWEI (CN)
HU BIAO (CN)

PCT/CN2022/103843

January 19, 2023

July 05, 2022

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SHANXI ELECTRIC MOTOR MFG CO LTD (CN)

B22D18/04; B21D28/22; B22D19/00; B22D33/04

CN113319265A	2021-08-31
CN212371156U	2021-01-19
CN204545381U	2015-08-12
CN109274226A	2019-01-25
CN109986056A	2019-07-09
CN111496225A	2020-08-07

KONG XIANGYONG, SHANXI ELECTRIC MACHINE MANUFACTURING CO., LTD.: "Constructional Improvement of the Dummy Spindle used in the Rotor′s Low-pressure Aluminum-casting", ELECTRICAL MACHINERY TECHNOLOGY, no. 5, 25 October 2015 (2015-10-25), pages 58 - 59, XP093024031, ISSN: 1006-2807
See also references of EP 4209290A4

ALLWIN IP (CN)

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