{"id":6521,"date":"2025-02-27T16:21:52","date_gmt":"2025-02-27T08:21:52","guid":{"rendered":"https:\/\/www.qualitester.com\/?post_type=product&p=6521"},"modified":"2025-02-27T16:43:52","modified_gmt":"2025-02-27T08:43:52","slug":"crumple-flex-tester-astm-f392","status":"publish","type":"product","link":"https:\/\/www.qualitester.com\/vi\/san-pham\/crumple-flex-tester-astm-f392\/","title":{"rendered":"M\u00e1y ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e0n h\u1ed3i GFT Crumple"},"content":{"rendered":"

C\u00e1c m\u00e1y th\u1eed \u0111\u1ed9 u\u1ed1n d\u1eadp<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc m\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i ph\u1ea3i ch\u1ecbu khi b\u1ecb u\u1ed1n cong, xo\u1eafn v\u00e0 n\u00e9n. Nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ebft n\u1ee9t do u\u1ed1n cong v\u00e0 c\u00e1c l\u1ed7 th\u1ee7ng, c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a bao b\u00ec v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m. Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc c\u00e1c \u1ee9ng su\u1ea5t n\u00e0y v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u khi ph\u1ea3i ch\u1ecbu c\u00e1c t\u00e1c \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n

M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a m\u00e1y th\u1eed \u0111\u1ed9 u\u1ed1n d\u1eadp<\/strong> l\u00e0 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u r\u00e0o c\u1ea3n d\u1ebbo, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0ng nh\u1ef1a, gi\u1ea5y tr\u00e1ng ph\u1ee7 v\u00e0 v\u1eadt li\u1ec7u nhi\u1ec1u l\u1edbp, v\u1ed1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00f3ng g\u00f3i. Thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch t\u00e1c \u0111\u1ed9ng l\u00ean m\u1eabu th\u1eed m\u1ed9t t\u1ed5 h\u1ee3p c\u00e1c chuy\u1ec3n \u0111\u1ed9ng xo\u1eafn v\u00e0 n\u00e9n tuy\u1ebfn t\u00ednh, nh\u1eb1m m\u00f4 ph\u1ecfng c\u00e1c l\u1ef1c v\u1eadt l\u00fd m\u00e0 bao b\u00ec c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecbu trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n v\u00e0 ph\u00e2n ph\u1ed1i.<\/p>\n

Ti\u00eau chu\u1ea9n ASTM F392 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 u\u1ed1n d\u1ebbo Gelbo<\/h3>\n

C\u00e1c Ti\u00eau chu\u1ea9n ASTMF392<\/strong><\/a> Ti\u00eau chu\u1ea9n n\u00e0y, c\u00f3 t\u00ean l\u00e0 \u201cPh\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a v\u1eadt li\u1ec7u r\u00e0o c\u1ea3n d\u1ebbo\u201d, l\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n u\u1ed1n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec d\u1ebbo. M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n u\u1ed1n khi nh\u00e0u n\u00e1t tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n n\u00e0y v\u00e0 s\u1eed d\u1ee5ng Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 u\u1ed1n d\u1ebbo Gelbo<\/strong> \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng h\u01b0 h\u1ecfng c\u1ee7a v\u1eadt li\u1ec7u khi ph\u1ea3i ch\u1ecbu l\u1ef1c u\u1ed1n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n

C\u00e1c Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 u\u1ed1n d\u1ebbo Gelbo<\/strong> \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu u\u1ed1n cong c\u1ee7a v\u1eadt li\u1ec7u theo th\u1eddi gian, y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 bao b\u00ec. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c u\u1ed1n cong l\u1eb7p \u0111i l\u1eb7p l\u1ea1i m\u1ed9t m\u1eabu th\u1eed \u2014 th\u01b0\u1eddng l\u00e0 m\u00e0ng ho\u1eb7c l\u1edbp ph\u1ee7 \u2014 th\u00f4ng qua chuy\u1ec3n \u0111\u1ed9ng xo\u1eafn v\u00e0 n\u00e9n. Theo th\u1eddi gian, qu\u00e1 tr\u00ecnh u\u1ed1n cong n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c l\u1ed7 th\u1ee7ng vi m\u00f4, m\u00e0 thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m s\u1ebd ph\u00e1t hi\u1ec7n ra, t\u1eeb \u0111\u00f3 cung c\u1ea5p d\u1eef li\u1ec7u quan tr\u1ecdng v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y th\u1eed \u0111\u1ed9 u\u1ed1n d\u1eadp Crumple Flex<\/h3>\n

M\u00e1y th\u1eed \u0111\u1ed9 u\u1ed1n n\u1ebfp ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch g\u1eafn m\u1eabu th\u1eed, th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc 200 mm \u00d7 280 mm, l\u00ean c\u00e1c tr\u1ee5c khu\u00f4n. C\u00e1c tr\u1ee5c khu\u00f4n n\u00e0y sau \u0111\u00f3 kh\u1edfi \u0111\u1ed9ng qu\u00e1 tr\u00ecnh u\u1ed1n, bao g\u1ed3m chuy\u1ec3n \u0111\u1ed9ng xo\u1eafn 440 \u0111\u1ed9 trong ph\u1ea1m vi h\u00e0nh tr\u00ecnh 90 mm, ti\u1ebfp theo l\u00e0 l\u1ef1c n\u00e9n ngang. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i v\u1edbi t\u1ed1c \u0111\u1ed9 45 chu k\u1ef3 m\u1ed7i ph\u00fat, gi\u00fap m\u00e1y th\u1eed nghi\u1ec7m m\u00f4 ph\u1ecfng ch\u00ednh x\u00e1c c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n

M\u00e1y ki\u1ec3m tra cung c\u1ea5p c\u00e1c ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra kh\u00e1c nhau t\u00f9y theo Ti\u00eau chu\u1ea9n ASTMF392<\/strong> ti\u00eau chu\u1ea9n:<\/p>\n