发明名称 |
MANUFACTURE OF SEMI-OPEN TYPE RADIAL IMPELLER AND BALANCING METHOD |
摘要 |
PURPOSE:To manufacture a semi-open type radial impeller simply in a short time by pressing a disk and performing blanking and bending of blade parts at a time and attaching a boss to this. CONSTITUTION:A disk 1 is pressed and blanking and bending of blade parts 3 are performed simultaneously. An impeller is manufactured by attaching a boss 2 to the pressed disk 1. In some cases, a backing plate 4 is attached to the back of the impeller to prevent flowing out of fluid from the parts blanked by the press. In some cases, balancing is effected by forming a hole 5 by making the diameter of the backing plate 4 slightly smaller than the maximum pitch diameter of the blades 3 and passing a thin plate 6 for balancing through the hole 5 and winding it around the impeller. |
申请公布号 |
JPS5850140(A) |
申请公布日期 |
1983.03.24 |
申请号 |
JP19810150218 |
申请日期 |
1981.09.21 |
申请人 |
MIURA KOGYO KK |
发明人 |
SAKAMOTO TSUNEO;YANAGIHARA NOBUAKI |
分类号 |
F04D29/28;B21D53/78;F16F15/32 |
主分类号 |
F04D29/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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