JP6696447B2 - 回転電機のロータ - Google Patents
回転電機のロータ Download PDFInfo
- Publication number
- JP6696447B2 JP6696447B2 JP2017009811A JP2017009811A JP6696447B2 JP 6696447 B2 JP6696447 B2 JP 6696447B2 JP 2017009811 A JP2017009811 A JP 2017009811A JP 2017009811 A JP2017009811 A JP 2017009811A JP 6696447 B2 JP6696447 B2 JP 6696447B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- rotor core
- key
- axial
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000004323 axial length Effects 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
D4=D3+2×η 式1
D5=D4+t=D3+2×η+t 式2
t=D4×K×(Tc−Ts) 式3
D3+2×d2<D3+2×η+t 式4
d2<(2×η+t)/2 式5
D2=D3+2×d2
D2=D1−2(d1−d2) 式6
Claims (1)
- 軸方向に貫通する軸孔が形成された略環状のロータコアと、
前記ロータコアの前記軸孔に挿通され、前記ロータコアより軸方向長さが大きいロータシャフトと、
を備え、
前記軸孔の内周面には、径方向内側に突出するとともに、軸方向に延びるキー突起が1以上設けられており、
前記ロータシャフトの外周面には、前記キー突起が嵌るキー溝であって、軸方向長さが前記ロータシャフトの軸方向長さより短い、非貫通のキー溝が1以上設けられており、
前記ロータシャフトのうち、前記キー溝を挟んで軸方向一端側の外径よりも、軸方向他端側の外径のほうが、小さく、
前記キー溝部分の外径は、当該キー溝の軸方向一端から軸方向他端にかけて一定であり、
前記キー溝の深さは、軸方向他端側の深さが、軸方向一端側の深さより小さい、
ことを特徴とする回転電機のロータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017009811A JP6696447B2 (ja) | 2017-01-23 | 2017-01-23 | 回転電機のロータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017009811A JP6696447B2 (ja) | 2017-01-23 | 2017-01-23 | 回転電機のロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018121402A JP2018121402A (ja) | 2018-08-02 |
JP6696447B2 true JP6696447B2 (ja) | 2020-05-20 |
Family
ID=63045408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017009811A Expired - Fee Related JP6696447B2 (ja) | 2017-01-23 | 2017-01-23 | 回転電機のロータ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6696447B2 (ja) |
-
2017
- 2017-01-23 JP JP2017009811A patent/JP6696447B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2018121402A (ja) | 2018-08-02 |
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