{"id":673064,"date":"2024-11-11T21:17:47","date_gmt":"2024-11-11T20:17:47","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=673064"},"modified":"2024-11-11T21:17:47","modified_gmt":"2024-11-11T20:17:47","slug":"nguyen-ly-hoat-dong-cua-may-nen-khi-truc-vit","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/nguyen-ly-hoat-dong-cua-may-nen-khi-truc-vit\/","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt"},"content":{"rendered":"

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt ho\u1ea1t \u0111\u1ed9ng, \u01b0u \u0111i\u1ec3m s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n

\"Nguy\u00ean<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt<\/h2>\n

M\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y n\u00e9n kh\u00ed s\u1eed d\u1ee5ng c\u1eb7p tr\u1ee5c v\u00edt \u0111\u1ed3ng b\u1ed9 \u0111\u1ec3 n\u00e9n kh\u00ed. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a hai tr\u1ee5c v\u00edt quay ng\u01b0\u1ee3c chi\u1ec1u nhau \u0111\u1ec3 t\u1ea1o ra kh\u00f4ng gian gi\u1ea3m d\u1ea7n gi\u1eefa c\u00e1c r\u0103ng v\u00edt v\u00e0 n\u00e9n kh\u00ed v\u00e0o trong. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt.<\/p>\n

C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt<\/h2>\n

<\/p>\n

  • Tr\u1ee5c v\u00edt (Screw):<\/b> Hai tr\u1ee5c v\u00edt ch\u00ednh, m\u1ed9t tr\u1ee5c v\u00edt ch\u1ee7 \u0111\u1ed9ng v\u00e0 m\u1ed9t tr\u1ee5c v\u00edt b\u1ecb \u0111\u1ed9ng.<\/li>\n
  • V\u1ecf m\u00e1y n\u00e9n (Housing):<\/b> Bao quanh c\u1eb7p tr\u1ee5c v\u00edt v\u00e0 t\u1ea1o th\u00e0nh bu\u1ed3ng n\u00e9n.<\/li>\n
  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t (Cooling System):<\/b> Gi\u00fap l\u00e0m m\u00e1t kh\u00ed n\u00e9n v\u00e0 ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t.<\/li>\n
  • H\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n (Lubrication System):<\/b> B\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed kh\u1ecfi m\u00e0i m\u00f2n v\u00e0 gi\u1ea3m ma s\u00e1t.<\/li>\n

    <\/u1><\/p>\n

    Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

    Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt bao g\u1ed3m ba giai \u0111o\u1ea1n ch\u00ednh: H\u00fat kh\u00ed, n\u00e9n kh\u00ed v\u00e0 x\u1ea3 kh\u00ed.<\/p>\n

    1. H\u00fat kh\u00ed<\/h3>\n

    Qu\u00e1 tr\u00ecnh b\u1eaft \u0111\u1ea7u khi tr\u1ee5c v\u00edt ch\u1ee7 \u0111\u1ed9ng v\u00e0 tr\u1ee5c v\u00edt b\u1ecb \u0111\u1ed9ng quay ng\u01b0\u1ee3c chi\u1ec1u nhau. Khi c\u00e1c r\u0103ng v\u00edt di chuy\u1ec3n kh\u1ecfi nhau, m\u1ed9t kh\u00f4ng gian ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra \u1edf m\u1eb7t \u0111\u1ea7u v\u00e0o, h\u00fat kh\u00f4ng kh\u00ed v\u00e0o trong bu\u1ed3ng n\u00e9n.<\/p>\n

    2. N\u00e9n kh\u00ed<\/h3>\n

    Khi tr\u1ee5c v\u00edt ti\u1ebfp t\u1ee5c quay, kh\u00f4ng gian gi\u1eefa c\u00e1c r\u0103ng v\u00edt t\u1eeb t\u1eeb thu h\u1eb9p l\u1ea1i, t\u0103ng \u00e1p su\u1ea5t v\u00e0 n\u00e9n kh\u00ed trong bu\u1ed3ng n\u00e9n. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra li\u00ean t\u1ee5c v\u00e0 \u0111\u1ec1u \u0111\u1eb7n.<\/p>\n

    Ph\u01b0\u01a1ng tr\u00ecnh nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh n\u00e9n \u0111\u1eb3ng nhi\u1ec7t (bi\u1ebfn \u0111\u1ed5i th\u1ec3 t\u00edch nh\u01b0ng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i) nh\u01b0 sau:<\/p>\n

    \\( PV = C \\)<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    P:<\/i> \u00c1p su\u1ea5t c\u1ee7a kh\u00ed<\/p>\n

    V:<\/i> Th\u1ec3 t\u00edch c\u1ee7a kh\u00ed<\/p>\n

    C:<\/i> H\u1eb1ng s\u1ed1<\/p>\n

    3. X\u1ea3 kh\u00ed<\/h3>\n

    Khi kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e9n \u0111\u1ebfn \u00e1p su\u1ea5t y\u00eau c\u1ea7u, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ea9y ra kh\u1ecfi bu\u1ed3ng n\u00e9n qua van x\u1ea3 v\u00e0 \u0111i v\u00e0o h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn kh\u00ed. T\u1eeb \u0111\u00e2y, kh\u00ed n\u00e9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n

    \u01afu \u0111i\u1ec3m c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt<\/h2>\n

    <\/p>\n

  • Hi\u1ec7u su\u1ea5t cao:<\/b> M\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i m\u00e0 kh\u00f4ng gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/li>\n
  • \u0110\u1ed9 \u1ed3n th\u1ea5p:<\/b> So v\u1edbi c\u00e1c lo\u1ea1i m\u00e1y n\u00e9n kh\u00ed kh\u00e1c, m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt th\u01b0\u1eddng t\u1ea1o ra \u00edt ti\u1ebfng \u1ed3n h\u01a1n.<\/li>\n
  • \u0110\u1ed9 b\u1ec1n cao:<\/b> V\u1edbi thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng, m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt c\u00f3 tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n.<\/li>\n

    <\/u1><\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    M\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng v\u00e0 hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i. Nh\u1edd kh\u1ea3 n\u0103ng n\u00e9n kh\u00ed hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n b\u1ec9, ch\u00fang \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0a th\u00edch c\u1ee7a nhi\u1ec1u doanh nghi\u1ec7p. Hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o d\u01b0\u1ee1ng thi\u1ebft b\u1ecb t\u1ed1t h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt ho\u1ea1t \u0111\u1ed9ng, \u01b0u \u0111i\u1ec3m s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nNguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt<\/title>\n<meta name=\"description\" content=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt ho\u1ea1t \u0111\u1ed9ng, \u01b0u \u0111i\u1ec3m s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.\" 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