{"id":2272,"date":"2026-08-16T19:00:23","date_gmt":"2026-08-16T19:00:23","guid":{"rendered":"https:\/\/www.hiderekmining.com\/?p=2272"},"modified":"2026-08-16T19:00:23","modified_gmt":"2026-08-16T19:00:23","slug":"single-cylinder-vs-multi-cylinder-hydraulic-cone-crushers-engineering-comparison-selection-guide-2","status":"publish","type":"post","link":"https:\/\/www.hiderekmining.com\/vi\/single-cylinder-vs-multi-cylinder-hydraulic-cone-crushers-engineering-comparison-selection-guide-2\/","title":{"rendered":"Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y nghi\u1ec1n"},"content":{"rendered":"

Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y nghi\u1ec1n<\/strong><\/span><\/p>\n

\"\"<\/p>\n

M\u00e1y nghi\u1ec1n trong ng\u00e0nh khai th\u00e1c m\u1ecf v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng thay \u0111\u1ed5i li\u00ean t\u1ee5c, va \u0111\u1eadp m\u1ea1nh v\u00e0 m\u00e0i m\u00f2n su\u1ed1t ng\u00e0y \u0111\u00eam. Khi c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng\u2014nh\u01b0 tr\u1ee5c ch\u00ednh n\u1ed5i t\u00edch h\u1ee3p, c\u1ee5m l\u1ec7ch t\u00e2m, c\u1ee5m h\u00e0m di \u0111\u1ed9ng ho\u1eb7c khung h\u00e0n\u2014b\u1ecb h\u1ecfng, k\u1ebft qu\u1ea3 l\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch, m\u1ea5t s\u1ea3n l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed thay th\u1ebf cao. Do \u0111\u00f3, d\u00f9 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t hay v\u1eadn h\u00e0nh, ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft y\u1ebfu.<\/p>\n

Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t lo\u1ea1t c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng l\u00e0m h\u01b0 h\u1ea1i c\u00e1c b\u1ed9 ph\u1eadn m\u00e0 v\u1eabn x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong v\u00e0 tr\u00ean b\u1ec1 m\u1eb7t. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m gi\u00e1n \u0111o\u1ea1n b\u00ean trong v\u1eadt li\u1ec7u, \u0111\u00e1nh gi\u00e1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1eb7t c\u1eaft ngang v\u00e0 x\u00e1c minh r\u1eb1ng c\u00e1c k\u00edch th\u01b0\u1edbc quan tr\u1ecdng v\u1eabn n\u1eb1m trong ph\u1ea1m vi quy \u0111\u1ecbnh\u2014t\u1ea5t c\u1ea3 m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n

1. C\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m tra th\u1ec3 t\u00edch: Si\u00eau \u00e2m (UT) v\u00e0 ch\u1ee5p c\u1eaft l\u1edbp (RT)<\/strong><\/p>\n

Ki\u1ec3m tra th\u1ec3 t\u00edch ch\u1ee7 y\u1ebfu xem x\u00e9t \u0111\u1ed9 d\u00e0y c\u1ee7a to\u00e0n b\u1ed9 m\u1eb7t c\u1eaft ngang c\u1ee7a m\u1ed9t chi ti\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong, c\u00e1c l\u1ed7 r\u1ed7ng trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 c\u00e1c v\u1ebft n\u1ee9t do m\u1ecfi kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

Ki\u1ec3m tra si\u00eau \u00e2m (UT)<\/strong><\/p>\n

Ki\u1ec3m tra si\u00eau \u00e2m (UT) ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch truy\u1ec1n c\u00e1c xung \u00e2m thanh t\u1ea7n s\u1ed1 cao v\u00e0o v\u1eadt li\u1ec7u, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n v\u1edbi t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng t\u1eeb 1 MHz \u0111\u1ebfn 5 MHz. Khi s\u00f3ng \u00e2m truy\u1ec1n qua v\u1eadt li\u1ec7u v\u00e0 g\u1eb7p ph\u1ea3i c\u00e1c \u0111i\u1ec3m gi\u00e1n \u0111o\u1ea1n\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u1ea1p ch\u1ea5t phi kim lo\u1ea1i, l\u1ed7 r\u1ed7ng do co ng\u00f3t ho\u1eb7c c\u00e1c v\u1ebft n\u1ee9t l\u1edbp b\u00ean trong\u2014m\u1ed9t ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng s\u1ebd b\u1ecb ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch th\u1eddi gian v\u1ecdng \u00e2m v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u, ng\u01b0\u1eddi ki\u1ec3m tra c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a khuy\u1ebft t\u1eadt.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra c\u00e1c chi ti\u1ebft r\u00e8n c\u00f3 th\u00e0nh d\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c ch\u00ednh, tr\u1ee5c l\u1ec7ch t\u00e2m v\u00e0 tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng c\u1ee7a m\u00e1y nghi\u1ec1n c\u00f4n, c\u0169ng nh\u01b0 c\u00e1c \u0111\u1ebf th\u00e9p \u0111\u00fac ch\u1ecbu t\u1ea3i n\u1eb7ng. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf b\u00ean trong v\u00e0 s\u1ef1 ph\u00e2n t\u00e1ch l\u00f5i tr\u01b0\u1edbc khi c\u00e1c chi ti\u1ebft r\u00e8n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0o thi\u1ebft b\u1ecb, do \u0111\u00f3 ng\u0103n ng\u1eeba nh\u1eefng nguy c\u01a1 ti\u1ec1m \u1ea9n n\u00e0y ph\u00e1t tri\u1ec3n th\u00e0nh g\u00e3y do m\u1ecfi d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4-men xo\u1eafn thay \u0111\u1ed5i v\u00e0 \u1ee9ng su\u1ea5t cao.<\/p>\n

Ki\u1ec3m tra X-quang (RT)<\/strong><\/p>\n

Ch\u1ee5p c\u1ed9ng h\u01b0\u1edfng t\u1eeb (RT) d\u1ef1a v\u00e0o tia X ho\u1eb7c tia gamma \u0111\u1ec3 xuy\u00ean qua m\u1ed9t b\u1ed9 ph\u1eadn v\u00e0 t\u1ea1o h\u00ecnh \u1ea3nh tr\u00ean \u0111\u1ea7u d\u00f2 k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c phim. N\u1ebfu c\u00f3 c\u00e1c l\u1ed7 r\u1ed7ng, \u0111\u1ed9 x\u1ed1p ho\u1eb7c t\u1ea1p ch\u1ea5t trong v\u1eadt li\u1ec7u, nhi\u1ec1u b\u1ee9c x\u1ea1 h\u01a1n s\u1ebd xuy\u00ean qua, d\u1eabn \u0111\u1ebfn m\u1ed9t v\u00f9ng t\u1ed1i t\u1ea1i v\u1ecb tr\u00ed t\u01b0\u01a1ng \u1ee9ng tr\u00ean phim. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ki\u1ec3m tra tr\u1ef1c quan c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong.<\/p>\n

Trong s\u1ea3n xu\u1ea5t m\u00e1y nghi\u1ec1n, ch\u1ee5p X-quang (RT) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n xuy\u00ean su\u1ed1t quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c m\u1ed1i h\u00e0n t\u1ea1i c\u00e1c kh\u1edbp n\u1ed1i gi\u1eefa khung g\u1ea7m, \u0111\u1ebf v\u00e0 v\u1ecf tr\u00ean, c\u0169ng nh\u01b0 c\u1ee5m h\u00e0m di \u0111\u1ed9ng \u0111\u00fac. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt th\u1ec3 t\u00edch nh\u01b0 r\u1ed7 kh\u00ed v\u00e0 c\u00e1c l\u1ed7 co ng\u00f3t. Tuy nhi\u00ean, n\u1ebfu v\u1ebft n\u1ee9t n\u1eb1m g\u1ea7n b\u1ec1 m\u1eb7t v\u00e0 song song v\u1edbi ch\u00f9m tia b\u1ee9c x\u1ea1, r\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n ch\u1ec9 b\u1eb1ng RT; trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, RT th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi si\u00eau \u00e2m (UT) ho\u1eb7c ki\u1ec3m tra b\u1eb1ng vi m\u00f4 (MT).<\/p>\n

\"\"<\/p>\n

2. C\u00f4ng ngh\u1ec7 ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 c\u1eadn b\u1ec1 m\u1eb7t: MT v\u00e0 PT<\/strong><\/p>\n

C\u00e1c v\u1ebft n\u1ee9t tr\u00ean b\u1ec1 m\u1eb7t l\u00e0 n\u01a1i m\u00e0 s\u1ef1 m\u1ecfi c\u01a1 h\u1ecdc b\u1eaft \u0111\u1ea7u. N\u1ebfu c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf, v\u1ebft n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t ho\u1eb7c v\u1ebft n\u1ee9t do t\u00f4i luy\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n ngay khi ch\u00fang xu\u1ea5t hi\u1ec7n\u2014tr\u01b0\u1edbc khi ch\u00fang c\u00f3 c\u01a1 h\u1ed9i lan s\u00e2u v\u00e0o v\u1eadt li\u1ec7u\u2014nhi\u1ec1u v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u00e1nh kh\u1ecfi. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u \u0111\u00f3.<\/p>\n

Ki\u1ec3m tra b\u1eb1ng h\u1ea1t t\u1eeb t\u00ednh (MT)<\/strong><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p MT ch\u1ec9 hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p carbon, th\u00e9p h\u1ee3p kim th\u1ea5p v\u00e0 gang. Trong qu\u00e1 tr\u00ecnh n\u00e0y, ph\u00f4i \u0111\u01b0\u1ee3c t\u1eeb h\u00f3a b\u1eb1ng g\u1ecdng t\u1eeb ho\u1eb7c hai \u0111\u1ea7u d\u00f2 sao cho c\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb \u0111i qua n\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u. N\u1ebfu c\u00f3 v\u1ebft n\u1ee9t tr\u00ean b\u1ec1 m\u1eb7t ho\u1eb7c \u1edf l\u1edbp d\u01b0\u1edbi b\u1ec1 m\u1eb7t n\u00f4ng, c\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb s\u1ebd b\u1ecb gi\u00e1n \u0111o\u1ea1n v\u00e0 r\u00f2 r\u1ec9 ra g\u1ea7n c\u00e1c v\u1ebft n\u1ee9t. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, b\u1ed9t s\u1eaft m\u1ecbn \u0111\u01b0\u1ee3c r\u1eafc l\u00ean \u2013 b\u1ed9t m\u00e0u trong ph\u01b0\u01a1ng ph\u00e1p kh\u00f4, ho\u1eb7c dung d\u1ecbch hu\u1ef3nh quang trong ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt \u2013 v\u00e0 b\u1ed9t s\u1ebd t\u00edch t\u1ee5 t\u1ea1i c\u00e1c \u0111i\u1ec3m r\u00f2 r\u1ec9 t\u1eeb t\u00ednh, cho ph\u00e9p nh\u00ecn th\u1ea5y h\u00ecnh d\u1ea1ng c\u1ee7a v\u1ebft n\u1ee9t tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u00e1nh s\u00e1ng tr\u1eafng ho\u1eb7c \u0111\u00e8n tia c\u1ef1c t\u00edm.<\/p>\n

Trong m\u00e1y nghi\u1ec1n, MT th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng khu v\u1ef1c t\u1eadp trung \u1ee9ng su\u1ea5t cao: ch\u00e2n m\u1ed1i h\u00e0n tr\u1ee5c ch\u00ednh, ch\u00e2n r\u0103ng b\u00e1nh r\u0103ng, m\u00e9p m\u1ed1i h\u00e0n khung v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c t\u1ea5m l\u00f3t th\u00e9p mangan \u0111\u00e3 qua s\u1eed d\u1ee5ng. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 bao g\u1ed3m t\u1ed1c \u0111\u1ed9, \u0111\u1ed9 nh\u1ea1y cao \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ebft n\u1ee9t m\u1ecfi nh\u1ecf v\u00e0 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt \u1edf \u0111\u1ed9 s\u00e2u hai ho\u1eb7c ba milim\u00e9t d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/p>\n

Ki\u1ec3m tra th\u1ea9m th\u1ea5u ch\u1ea5t l\u1ecfng (PT)<\/strong><\/p>\n

N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, nguy\u00ean l\u00fd \u0111\u1eb1ng sau ph\u01b0\u01a1ng ph\u00e1p PT l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn. M\u1ed9t ch\u1ea5t th\u1ea9m th\u1ea5u c\u00f3 \u0111\u1ed9 l\u1ecfng cao v\u00e0 m\u00e0u s\u1eafc r\u1ef1c r\u1ee1 \u0111\u01b0\u1ee3c b\u00f4i l\u00ean b\u1ec1 m\u1eb7t s\u1ea1ch, v\u00e0 ch\u1ea5t l\u1ecfng s\u1ebd t\u1ef1 \u0111\u1ed9ng th\u1ea5m v\u00e0o b\u1ea5t k\u1ef3 v\u1ebft n\u1ee9t n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t. Sau khi \u0111\u1ec3 y\u00ean m\u1ed9t l\u00fac, ph\u1ea7n ch\u1ea5t l\u1ecfng d\u01b0 th\u1eeba tr\u00ean b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c lau s\u1ea1ch, v\u00e0 m\u1ed9t l\u1edbp ch\u1ea5t hi\u1ec7n h\u00ecnh \u0111\u01b0\u1ee3c phun l\u00ean. Ch\u1ea5t hi\u1ec7n h\u00ecnh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 gi\u1ea5y th\u1ea5m, h\u00fat ch\u1ea5t l\u1ecfng \u0111\u00e3 th\u1ea5m v\u00e0o c\u00e1c v\u1ebft n\u1ee9t, t\u1eeb \u0111\u00f3 ph\u00f3ng \u0111\u1ea1i v\u00e0 l\u00e0m l\u1ed9 r\u00f5 \u200b\u200bch\u00fang.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1eb1ng xung t\u1eeb (PT) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra h\u1ea7u h\u1ebft m\u1ecdi v\u1eadt li\u1ec7u\u2014kh\u00f4ng ch\u1ec9 th\u00e9p, m\u00e0 c\u00f2n c\u1ea3 h\u1ee3p kim \u0111\u1ed3ng, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u1eb1ng nh\u00f4m. Trong m\u00e1y nghi\u1ec1n, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ea1c l\u00f3t b\u1eb1ng \u0111\u1ed3ng, c\u1ea7n piston xi lanh th\u1ee7y l\u1ef1c, c\u00e1c ph\u1ee5 ki\u1ec7n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c c\u1ee5m v\u1ecf d\u1ea7u b\u1eb1ng nh\u00f4m. PT \u0111\u1eb7c bi\u1ec7t thu\u1eadn ti\u1ec7n h\u01a1n so v\u1edbi MT khi ki\u1ec3m tra c\u00e1c khu v\u1ef1c c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p m\u00e0 g\u1ecdng t\u1eeb kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn.<\/p>\n

\"\"<\/p>\n

3. Ma tr\u1eadn \u1ee9ng d\u1ee5ng ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y nghi\u1ec1n<\/strong><\/p>\n

\"\"<\/p>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o, ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t (r\u00e8n, \u0111\u00fac ho\u1eb7c ch\u1ebf t\u1ea1o) v\u00e0 c\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c ch\u00ednh trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Th\u00e0nh ph\u1ea7n<\/strong><\/td>\nV\u1eadt li\u1ec7u c\u01a1 b\u1ea3n<\/strong><\/td>\nNh\u1eefng khi\u1ebfm khuy\u1ebft v\u00e0 s\u1ef1 gi\u00e1n \u0111o\u1ea1n nghi\u00eam tr\u1ecdng<\/strong><\/td>\nGiao th\u1ee9c NDT ch\u00ednh<\/strong><\/td>\nM\u00e3 ch\u1ea5p nh\u1eadn \u00e1p d\u1ee5ng<\/strong><\/td>\n<\/tr>\n<\/thead>\n
C\u1ee5m tr\u1ee5c ch\u00ednh<\/strong><\/td>\nTh\u00e9p h\u1ee3p kim r\u00e8n (v\u00ed d\u1ee5: 42CrMo, 4340)<\/td>\nPh\u00e2n t\u00e1ch l\u00f5i b\u00ean trong, n\u1ed5 do r\u00e8n, v\u1ebft n\u1ee9t m\u1ecfi \u1edf m\u1ed1i h\u00e0n g\u00f3c.<\/td>\nNGO\u00c0I<\/strong> (100% th\u1ec3 t\u00edch)<\/p>\n

 <\/p>\n

MT<\/strong> (\u0110\u01b0\u1eddng bo tr\u00f2n v\u00e0 b\u00e1n k\u00ednh b\u1eadc thang)<\/td>\n

ASTM A388 \/ EN 10228-3<\/p>\n

 <\/p>\n

ASTM E1444<\/td>\n<\/tr>\n

L\u1eafp r\u00e1p l\u1ec7ch t\u00e2m<\/strong><\/td>\nTh\u00e9p \u0111\u00fac \/ Gang d\u1ebbo ch\u1ea5t l\u01b0\u1ee3ng cao<\/td>\nR\u1ed7 kh\u00ed do co ng\u00f3t, l\u1ed7 kh\u00ed, v\u1ebft n\u1ee9t do l\u00e0m ngu\u1ed9i b\u1ec1 m\u1eb7t<\/td>\nUT \/ RT<\/strong> (Th\u1ec3 t\u00edch trung t\u00e2m)<\/p>\n

 <\/p>\n

MT<\/strong> (C\u00e1c m\u1eb7t \u0111\u01b0\u1ee3c gia c\u00f4ng)<\/td>\n

ASTM A609<\/p>\n

 <\/p>\n

ISO 10893-5<\/td>\n<\/tr>\n

Khung ch\u00ednh v\u00e0 \u0111\u1ebf<\/strong><\/td>\nTh\u00e9p h\u00e0n n\u1eb7ng \/ Th\u00e9p \u0111\u00fac<\/td>\nM\u1ed1i h\u00e0n kh\u00f4ng ho\u00e0n to\u00e0n th\u00e2m nh\u1eadp, r\u00e1ch l\u1edbp, n\u1ee9t do m\u1ecfi.<\/td>\nRT \/ UT<\/strong> (\u0110\u01b0\u1eddng h\u00e0n)<\/p>\n

 <\/p>\n

MT<\/strong> (M\u1ed1i h\u00e0n \u1edf ch\u00e2n v\u00e0 m\u1eb7t b\u00edch)<\/td>\n

Ti\u00eau chu\u1ea9n ISO 5817 C\u1ea5p \u0111\u1ed9 B<\/p>\n

 <\/p>\n

AWS D1.1 \/ ASTM E709<\/td>\n<\/tr>\n

T\u1ea5m l\u00f3t l\u00f2 s\u01b0\u1edfi v\u00e0 ch\u1eadu r\u1eeda<\/strong><\/td>\nTh\u00e9p mangan cao (Mn14, Mn18, Mn22)<\/td>\nR\u00e1ch do n\u00f3ng khi \u0111\u00fac, c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf, m\u1ecfi do bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/td>\nMT \/ PT<\/strong> (B\u1ec1 m\u1eb7t \u00e9p v\u00e0 r\u00e3nh then)<\/td>\nASTM A128<\/p>\n

 <\/p>\n

ASTM E165<\/td>\n<\/tr>\n

M\u00e1y nghi\u1ec1n h\u00e0m Pitman<\/strong><\/td>\nTh\u00e9p h\u1ee3p kim \u0111\u00fac \/ T\u1ea5m th\u00e9p gia c\u00f4ng d\u00e0y<\/td>\nC\u00e1c l\u1ed7 r\u1ed7ng do co ng\u00f3t b\u00ean trong, c\u00e1c v\u1ebft n\u1ee9t do t\u1eadp trung \u1ee9ng su\u1ea5t.<\/td>\nUT \/ RT<\/strong> (L\u1ed7 \u1ed5 tr\u1ee5c)<\/p>\n

 <\/p>\n

MT<\/strong> (H\u00ecnh h\u1ecdc t\u1edbi h\u1ea1n)<\/td>\n

ASTM A609 Lo\u1ea1i 2<\/p>\n

 <\/p>\n

ASTM E1444<\/td>\n<\/tr>\n

V\u00f2ng bi v\u00e0 b\u1ea1c l\u00f3t b\u1eb1ng \u0111\u1ed3ng<\/strong><\/td>\n\u0110\u1ed3ng \u0111\u00fac ch\u00ec \/ Kim lo\u1ea1i Babbitt<\/td>\nN\u1ee9t b\u1ec1 m\u1eb7t, l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf, khuy\u1ebft t\u1eadt li\u00ean k\u1ebft kim lo\u1ea1i k\u00e9p<\/td>\nPT<\/strong> (100% b\u1ec1 m\u1eb7t)<\/p>\n

 <\/p>\n

NGO\u00c0I<\/strong> (Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a tr\u00e1i phi\u1ebfu)<\/td>\n

ASTM E165<\/p>\n

 <\/p>\n

ISO 4386-1 (Li\u00ean k\u1ebft)<\/td>\n<\/tr>\n

Xi lanh th\u1ee7y l\u1ef1c (Hydroset)<\/strong><\/td>\n\u1ed0ng th\u00e9p r\u00e8n\/kh\u00f4ng m\u1ed1i n\u1ed1i<\/td>\nTh\u00e0nh v\u00e1ch m\u1ecfng d\u1ea7n, \u0103n m\u00f2n r\u1ed7, n\u1ee9t l\u1ed7 khoan<\/td>\nPT<\/strong> (Ni\u00eam phong khu\u00f4n m\u1eb7t)<\/p>\n

 <\/p>\n

NGO\u00c0I<\/strong> (Kh\u1ea3o s\u00e1t \u0111\u1ed9 d\u00e0y th\u00e0nh t\u01b0\u1eddng)<\/td>\n

ASTM E2375<\/p>\n

 <\/p>\n

ASTM E165<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4. C\u00e1ch \u0111\u1ecdc b\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT)<\/strong><\/p>\n

B\u00e1o c\u00e1o ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) l\u00e0 m\u1ed9t ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng v\u0103n b\u1ea3n. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn m\u1edbi c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 qua s\u1eed d\u1ee5ng c\u00f3 c\u00f2n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c sau khi s\u1eeda ch\u1eefa l\u1edbn hay kh\u00f4ng. M\u1ed9t b\u00e1o c\u00e1o h\u1ee3p l\u1ec7 ph\u1ea3i n\u00eau r\u00f5 c\u00e1c m\u1ee5c sau:<\/p>\n

    \n
  • Th\u00f4ng tin linh ki\u1ec7n: <\/strong>T\u00ean b\u1ed9 ph\u1eadn, s\u1ed1 b\u1ea3n v\u1ebd, m\u00e1c v\u1eadt li\u1ec7u, s\u1ed1 l\u00f2 nung v\u00e0 s\u1ed1 s\u00ea-ri\u2014kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf s\u00f3t b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o trong s\u1ed1 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u1edbp v\u1edbi s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf.<\/li>\n
  • Ph\u1ea1m vi ki\u1ec3m tra v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t: <\/strong>Nh\u1eefng khu v\u1ef1c n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t nh\u01b0 th\u1ebf n\u00e0o, li\u1ec7u l\u1edbp s\u01a1n v\u00e0 r\u1ec9 s\u00e9t \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ch\u01b0a, v\u00e0 t\u1ef7 l\u1ec7 bao ph\u1ee7 ki\u1ec3m tra l\u00e0 bao nhi\u00eau?<\/li>\n
  • C\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy tr\u00ecnh \u00e1p d\u1ee5ng: <\/strong>H\u00e3y n\u00eau r\u00f5 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7 \u0111\u1ed1i v\u1edbi UT, RT, MT v\u00e0 PT, ch\u1eb3ng h\u1ea1n nh\u01b0 ASTM E2375, E1742, E1444 v\u00e0 E165.<\/li>\n
  • Thi\u1ebft b\u1ecb v\u00e0 hi\u1ec7u chu\u1ea9n: <\/strong>Th\u00f4ng tin c\u1ea7n cung c\u1ea5p bao g\u1ed3m: ki\u1ec3u thi\u1ebft b\u1ecb, t\u1ea7n s\u1ed1 th\u0103m d\u00f2, g\u00f3c, ch\u1ea5t k\u1ebft d\u00ednh, c\u01b0\u1eddng \u0111\u1ed9 ngu\u1ed3n tia X, c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng v\u00e0 s\u1ed1 hi\u1ec7u kh\u1ed1i hi\u1ec7u chu\u1ea9n.<\/li>\n
  • Ti\u00eau chu\u1ea9n nh\u00e2n s\u1ef1: <\/strong>Nh\u00e2n vi\u00ean ki\u1ec3m tra ph\u1ea3i c\u00f3 ch\u1ee9ng ch\u1ec9 ASNT ho\u1eb7c ISO 9712 c\u1ea5p \u0111\u1ed9 II ho\u1eb7c c\u1ea5p \u0111\u1ed9 III, \u0111i\u1ec1u n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c ghi r\u00f5 trong b\u00e1o c\u00e1o.<\/li>\n
  • Ghi nh\u1eadn v\u00e0 \u0111\u00e1nh gi\u00e1 l\u1ed7i: <\/strong>\u0110\u1ed1i v\u1edbi m\u1ed7i khuy\u1ebft t\u1eadt \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y, h\u00e3y ghi l\u1ea1i v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 s\u00e2u v\u00e0 t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u, \u0111\u1ed3ng th\u1eddi \u0111\u01b0a ra k\u1ebft lu\u1eadn \u0111\u1ea1t ho\u1eb7c kh\u00f4ng \u0111\u1ea1t d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn.<\/li>\n
  • K\u1ebft lu\u1eadn cu\u1ed1i c\u00f9ng: <\/strong>H\u00e3y n\u00eau r\u00f5 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn, b\u1ecb t\u1eeb ch\u1ed1i ho\u1eb7c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn c\u00f3 \u0111i\u1ec1u ki\u1ec7n, v\u00e0 k\u00e8m theo k\u1ebf ho\u1ea1ch s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n

    M\u1ed9t b\u00e1o c\u00e1o kh\u00f4ng r\u00f5 r\u00e0ng th\u00ec coi nh\u01b0 v\u00f4 d\u1ee5ng. Do \u0111\u00f3, d\u00f9 b\u1ea1n t\u1ef1 ti\u1ebfn h\u00e0nh ki\u1ec3m tra hay nh\u1eadn b\u00e1o c\u00e1o t\u1eeb nh\u00e0 cung c\u1ea5p, b\u1ea1n \u0111\u1ec1u ph\u1ea3i x\u00e1c minh t\u1eebng h\u1ea1ng m\u1ee5c, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1ecb tr\u00ed l\u1ed7i v\u00e0 ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn.<\/p>\n

    \u00a0<\/strong><\/p>\n

    \u00a0<\/strong><\/p>\n

     <\/p>\n

    Gi\u00e1 tr\u1ecb th\u1ef1c ti\u1ec5n c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a m\u00e1y nghi\u1ec1n.<\/strong><\/p>\n

    Th\u1ef1c hi\u1ec7n ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng kh\u00f4ng ch\u1ec9 gi\u00fap v\u01b0\u1ee3t qua c\u00e1c cu\u1ed9c ki\u1ec3m tra m\u00e0 c\u00f2n th\u1ef1c s\u1ef1 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n

    Mua s\u1eafm: Tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf OEM ho\u1eb7c c\u00e1c chi ti\u1ebft \u0111\u00fac ch\u1ecbu l\u1ef1c cao \u0111\u00e3 mua, h\u00e3y th\u1ef1c hi\u1ec7n ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh vi\u1ec7c ph\u00e1t hi\u1ec7n ra c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ec9 sau khi l\u1eafp \u0111\u1eb7t, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tranh ch\u1ea5p b\u1ea3o h\u00e0nh.<\/p>\n

    S\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn h\u00e0nh: Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u00e1c linh ki\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p MT ho\u1eb7c UT \u0111\u1ec3 theo d\u00f5i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a v\u1ebft n\u1ee9t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf trong th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e3 \u0111\u1ecbnh tr\u01b0\u1edbc, thay v\u00ec ph\u1ea3i ch\u1edd \u0111\u1ebfn khi linh ki\u1ec7n \u0111\u1ed9t ng\u1ed9t h\u1ecfng h\u00f3c gi\u1eefa \u0111\u00eam.<\/p>\n

    K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd: Vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c khu v\u1ef1c t\u1eadp trung \u1ee9ng su\u1ea5t b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua m\u00e0i, gi\u1ea3m \u1ee9ng su\u1ea5t ho\u1eb7c h\u00e0n s\u1eeda ch\u1eefa c\u1ee5c b\u1ed9, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a linh ki\u1ec7n v\u00e0 gi\u1ea3m chi ph\u00ed thay th\u1ebf to\u00e0n b\u1ed9.<\/p>\n

    Nh\u00ecn chung, vi\u1ec7c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra, ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn v\u00e0 y\u00eau c\u1ea7u ch\u1eef k\u00fd t\u1eeb nh\u00e2n vi\u00ean \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n c\u00f3 cao v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu th\u1ea5p cho thi\u1ebft b\u1ecb nghi\u1ec1n.<\/p>","protected":false},"excerpt":{"rendered":"

    Ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) cho c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y nghi\u1ec1n M\u00e1y nghi\u1ec1n trong ng\u00e0nh khai th\u00e1c m\u1ecf v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng thay \u0111\u1ed5i li\u00ean t\u1ee5c, va \u0111\u1eadp m\u1ea1nh v\u00e0 m\u00e0i m\u00f2n su\u1ed1t ng\u00e0y \u0111\u00eam. Khi c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c ch\u00ednh n\u1ed5i t\u00edch h\u1ee3p, c\u1ee5m l\u1ec7ch t\u00e2m, c\u1ee5m h\u00e0m di \u0111\u1ed9ng ho\u1eb7c khung h\u00e0n\u2014b\u1ecb h\u1ecfng, k\u1ebft qu\u1ea3 l\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch, m\u1ea5t s\u1ea3n l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed thay th\u1ebf cao. Do \u0111\u00f3, d\u00f9 trong [\u2026]<\/p>","protected":false},"author":2,"featured_media":2273,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/posts\/2272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/comments?post=2272"}],"version-history":[{"count":1,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/posts\/2272\/revisions"}],"predecessor-version":[{"id":2277,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/posts\/2272\/revisions\/2277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/media\/2273"}],"wp:attachment":[{"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/media?parent=2272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/categories?post=2272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiderekmining.com\/vi\/wp-json\/wp\/v2\/tags?post=2272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}