Fixing method for valve installation member and fixing device for valve installation member
A fixing method and technology of fixing devices, which are applied to engine components, machines/engines, internal combustion piston engines, etc., can solve problems such as increased friction, inability to sufficiently suppress vibration, and difficulty in rotating shafts, and achieve the effect of suppressing deviations
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no. 1 approach
[0025] Figure 1 ~ Figure 3 The illustrated supercharger 1 is a supercharger for a vehicle, and compresses air supplied to the engine using exhaust gas discharged from the engine, not shown. The supercharger 1 includes a turbine 2 and a compressor (centrifugal compressor) 3 . The turbine 2 includes a turbine housing 4 and a turbine wheel 6 accommodated in the turbine housing 4 . The compressor 3 includes a compressor housing 5 and a compressor impeller 7 accommodated in the compressor housing 5 .
[0026] The turbine impeller 6 is disposed on one end of the rotating shaft 14 , and the compressor impeller 7 is disposed on the other end of the rotating shaft 14 . A bearing housing 13 is arranged between the turbine housing 4 and the compressor housing 5 . The rotating shaft (rotor shaft) 14 is rotatably supported by the bearing housing 13 via a bearing 15 . The supercharger 1 includes a turbine rotor shaft 16 including a rotating shaft 14 and a turbine wheel 6 provided at on...
no. 2 approach
[0052] Next, refer to Figure 7 A second embodiment will be described. The fixing device 200 of this embodiment differs from the fixing device 100 of the first embodiment in that a load sensor 210 is used instead of the spring plunger 110 , and the control unit 220 controls the load sensor 210 and the welding machine 140 . Hereinafter, differences from the first embodiment will be mainly described, and the same reference numerals will be assigned to the same elements and components, and detailed descriptions will be omitted.
[0053] The fixing device 200 includes a fixing unit 101 , a load cell (pressing unit) 210 , jigs 120 and 130 , a welder 140 , and a control unit 220 . The jigs 120 and 130 are mounted on the moving parts 125 and 135 . The load sensor 210 presses the end surface 21 a of the shaft 21 toward the bush 25 similarly to the spring plunger 110 . When the shaft 21 is pressed, the link member 28 fixed to the shaft 21 is also pressed. The load sensor 210 has a ...
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