エンジンの重要な部品であるピストンリング。ピストンの溝に収まる小さく目立たない存在ですが、これがないといろいろ困ります。
シリンダーと接触する部分であり、摩擦に加えて高温の燃焼圧力を受ける厳しい環境に耐えています。
ピストンリングがどのように作られ、エンジンの中で機能しているのか見ていきます。


参照
https://www.youtube.com/watch?v=Z0m30JLNbaA
https://www.youtube.com/watch?v=gqK3dCpwzxE&t=116s
https://www.youtube.com/watch?v=10tmYxPdgLQ
https://www.youtube.com/watch?v=IKLPvxSXAXw&t=88s
https://www.youtube.com/watch?v=CQ_ztJ7EBuU&t=13s
https://www.youtube.com/watch?v=1u8gzoT-seg
https://www.youtube.com/watch?v=ztWsivHGL54
https://www.youtube.com/watch?v=1u8gzoT-seg
https://www.youtube.com/watch?v=F-NuIbedHCE&t=204s
https://www.youtube.com/watch?v=oteRRECMeSo
https://www.youtube.com/watch?v=1J4dJyqg2vA&t=84s
https://www.youtube.com/watch?v=Pxvp9F-PS34&t=95s
https://www.youtube.com/watch?v=q04q3o-sOxs
https://www.youtube.com/watch?v=QOYuBzBawv8
https://www.youtube.com/watch?v=DZt5xU44IfQ&t=155s
https://www.youtube.com/watch?v=GYwun7hPsCM&t=35s
https://www.youtube.com/watch?v=hFHmYFlbFn8
https://www.youtube.com/watch?v=hJBlMMES77I&list=WL&index=9&t=491s
https://www.youtube.com/watch?v=IKLPvxSXAXw&list=WL&index=8
https://www.youtube.com/watch?v=UTen3mEeY0I
https://www.youtube.com/watch?v=mOAkcpoZ7xU
https://www.youtube.com/watch?v=6rdrMCx69W8&list=WL&index=9
https://www.youtube.com/watch?v=-fTN0uV35u4&list=WL&index=7
https://www.youtube.com/watch?v=48EllCCGxu8
https://www.youtube.com/watch?v=rOL-dlf7lg0&list=WL&index=1
https://www.youtube.com/watch?v=IKLPvxSXAXw&t=1s
https://www.youtube.com/watch?v=jZK6OHqHxhg
https://www.youtube.com/watch?v=_u-jIcV_fOE
https://www.youtube.com/watch?v=Rt_AWy4tsN0&t=208s
https://www.youtube.com/watch?v=HNFeUlnBypk&t=14s
https://www.youtube.com/watch?v=V7inC4lOpGs&t=37s
https://www.youtube.com/watch?v=X__JTmVJ9ug
https://www.youtube.com/watch?v=yE53V0rYmZE&t=73s
https://www.youtube.com/watch?v=Z_M2DsXspjE
https://www.youtube.com/watch?v=B-_WTRL7Rzg
https://www.youtube.com/watch?v=3qUfhCCzPWg
https://www.youtube.com/watch?v=F6_XLzcbi4A
https://www.youtube.com/watch?v=6H3zHlfEDmE
https://www.youtube.com/watch?v=y2iBbwocYZw&t=44s
https://www.youtube.com/watch?v=wDHtSe8cmNg
https://www.youtube.com/watch?v=CUUQBGl1t0g
https://www.youtube.com/watch?v=HNFeUlnBypk&t=14s
https://www.youtube.com/watch?v=iJIVsXPrENc&t=69s
https://www.youtube.com/watch?v=MhB9VV5lTrU&t=75s
https://www.youtube.com/watch?v=xejb8-FAgqM
https://www.youtube.com/watch?v=I7Gu3aa6o-s
https://www.youtube.com/watch?v=OiXhebTPeWA
https://www.youtube.com/watch?v=fUzmtnQGBYQ
https://www.youtube.com/watch?v=Z5AagW8Mi4w
https://www.youtube.com/watch?v=GScZczS2eto&list=WL&index=1
https://www.youtube.com/watch?v=jK6b2Z2cVxc
https://www.youtube.com/watch?v=R809tzp3hB8
https://www.youtube.com/watch?v=e9NBo-XC7AY&t=199s
https://www.youtube.com/watch?v=8CWFngaC_r4
https://www.youtube.com/watch?v=d_k0f8VGxtw
https://www.youtube.com/watch?v=6viYGF9U8wQ&t=86s
https://www.youtube.com/watch?v=A4NPIJ85Cbc
https://www.youtube.com/watch?v=jK6b2Z2cVxc