{"id":2836,"date":"2022-09-28T15:14:44","date_gmt":"2022-09-28T15:14:44","guid":{"rendered":"http:\/\/www.nonwovenmillrolls.com\/?p=2408"},"modified":"2026-10-13T15:07:13","modified_gmt":"2026-10-13T15:07:13","slug":"application-of-3m-non-woven-mill-rolls-on-high-performance-tin-phosphorus-bronze-c5210-copper-foils-manufacture","status":"publish","type":"post","link":"https:\/\/www.nonwovenmillrolls.com\/vn\/application-of-3m-non-woven-mill-rolls-on-high-performance-tin-phosphorus-bronze-c5210-copper-foils-manufacture\/","title":{"rendered":"\u1ee8ng d\u1ee5ng cu\u1ed9n c\u00e1n kh\u00f4ng d\u1ec7t 3M trong s\u1ea3n xu\u1ea5t l\u00e1 \u0111\u1ed3ng C5210 h\u1ee3p kim thi\u1ebfc ph\u1ed1t-pho hi\u1ec7u su\u1ea5t cao"},"content":{"rendered":"\n<figure class=\"wp-block-image alignright size-medium\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/\u672a\u6807\u9898-1-1-300x300.jpg\" alt=\"\" class=\"wp-image-2544\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac li\u00ean t\u1ee5c ngang v\u00e0 c\u00e1n ngu\u1ed9i \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc C5210 hi\u1ec7u su\u1ea5t cao \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. Kh\u00f3 kh\u0103n trong vi\u1ec7c c\u00e1n \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc C5210 hi\u1ec7u su\u1ea5t cao c\u00f3 chi\u1ec1u r\u1ed9ng 400 mm \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 gia c\u00f4ng l\u1edbn, c\u00e1c tr\u1ee5c c\u00e1n kh\u00f4ng d\u1ec7t 3M v\u00e0 ph\u01b0\u01a1ng ph\u00e1p san ph\u1eb3ng c\u0103ng, \u0111\u1ed3ng th\u1eddi chuy\u1ec3n \u0111\u1ed5i m\u00e1y c\u00e1n 14 tr\u1ee5c c\u1ee7a ng\u00e0nh th\u00e9p kh\u00f4ng g\u1ec9. Gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o \u1edf tr\u1ea1ng th\u00e1i SH c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 730 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 12%, v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 chi\u1ec1u d\u00e0y kho\u1ea3ng 0,002 mm, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u1ed1i v\u1edbi lo\u1ea1i \u0111\u1ed3ng c\u00f3 hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, vi\u1ec5n th\u00f4ng, thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c thu nh\u1ecf v\u00e0 l\u00e0m d\u00e0y \u0111\u1eb7c h\u01a1n, \u0111\u00f2i h\u1ecfi c\u00e1c d\u1ea3i l\u00e1 \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u00e0y m\u1ecfng h\u01a1n v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc cao h\u01a1n. V\u00ec l\u00e1 \u0111\u1ed3ng \u0111i\u1ec7n ph\u00e2n \u0111\u01b0\u1ee3c m\u1ea1 \u0111i\u1ec7n, tr\u1ea1ng th\u00e1i tinh th\u1ec3 c\u1ee7a c\u00e1c h\u1ea1t \u0111\u1ed3ng trong \u0111\u00f3 c\u00f3 d\u1ea1ng kim th\u1eb3ng \u0111\u1ee9ng, v\u00e0 c\u1ea5u tr\u00fac d\u1ea1ng kim n\u00e0y d\u1ec5 b\u1ecb g\u00e3y khi u\u1ed1n cong \u0111\u1ed9ng, trong khi c\u00e1c h\u1ea1t \u0111\u1ed3ng c\u1ee7a l\u00e1 \u0111\u1ed3ng c\u00e1n l\u1ea1i c\u00f3 c\u1ea5u tr\u00fac d\u1ea1ng tr\u1ee5c n\u1eb1m ngang, c\u00f3 th\u1ec3 u\u1ed1n v\u00e0 g\u1ea5p nhi\u1ec1u l\u1ea7n. \u0110\u1ed9 d\u1ebbo, kh\u1ea3 n\u0103ng ch\u1ecbu u\u1ed1n v\u00e0 \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t c\u1ee7a l\u00e1 \u0111\u1ed3ng c\u00e1n t\u1ed1t h\u01a1n so v\u1edbi l\u00e1 \u0111\u1ed3ng \u0111i\u1ec7n ph\u00e2n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1 \u00e1n n\u00e0y \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn qu\u1ed1c t\u1ebf \u0111\u1ec3 nghi\u00ean c\u1ee9u l\u00e1 \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc C5210, v\u00e0 s\u1ea3n ph\u1ea9m ph\u00e1t tri\u1ec3n thu\u1ed9c lo\u1ea1i l\u00e1 \u0111\u1ed3ng h\u1ee3p kim cao c\u1ea5p c\u00e1n m\u1ecfng, l\u00e0 v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n c\u1ee7a ng\u00e0nh \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1 T\u00ecnh tr\u1ea1ng nghi\u00ean c\u1ee9u v\u1ec1 l\u00e1 \u0111\u1ed3ng trong n\u01b0\u1edbc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea3i l\u00e1 \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n v\u00e0 c\u00e1n. Hi\u1ec7n nay, l\u00e1 \u0111\u1ed3ng \u0111i\u1ec7n ph\u00e2n si\u00eau m\u1ecfng hai m\u1eb7t s\u00e1ng hi\u1ec7u n\u0103ng cao v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o c\u1ee7a n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng t\u1ea1i Trung Qu\u1ed1c. \u0110\u1ed9 d\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 84\u03bcm, \u0111\u1ed9 nh\u00e1m kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 0,25\u03bcm, v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i l\u1edbn h\u01a1n 5%; do c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 s\u1ea3n ph\u1ea9m, v\u1eadt li\u1ec7u l\u00e1 \u0111\u1ed3ng h\u1ee3p kim thi\u1ebfc ph\u1ed1t-pho C5210 hi\u1ec7u n\u0103ng cao ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u00e1n, nh\u01b0ng b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi thi\u1ebft b\u1ecb, c\u00f4ng ngh\u1ec7 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, ch\u1ec9 c\u00f3 m\u1ed9t v\u00e0i nh\u00e0 s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t l\u00e1 \u0111\u1ed3ng c\u00e1n b\u1eb1ng c\u00e1c m\u00e1y c\u00e1n trong n\u01b0\u1edbc; m\u1ed9t s\u1ed1 d\u1ea3i l\u00e1 \u0111\u1ed3ng xu\u1ea5t hi\u1ec7n t\u00ecnh tr\u1ea1ng g\u1ee3n s\u00f3ng v\u00e0 \u0111\u1ee9t g\u00e3y, hi\u1ec7u qu\u1ea3 t\u1ea9y d\u1ea7u trong qu\u00e1 tr\u00ecnh c\u00e1n k\u00e9m, v\u00e0 chi\u1ec1u r\u1ed9ng c\u00e1n nh\u1ecf h\u01a1n 305mm, n\u00ean ch\u01b0a th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2 C\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m d\u1ef1 \u00e1n n\u00e0y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 d\u1ea3i h\u1ee3p kim \u0111\u1ed3ng c\u1ee7a ti\u00eau chu\u1ea9n JIS Nh\u1eadt B\u1ea3n v\u00e0 ti\u00eau chu\u1ea9n ASIM M\u1ef9, k\u1ebft h\u1ee3p v\u1edbi y\u00eau c\u1ea7u th\u1ecb tr\u01b0\u1eddng, ti\u00eau chu\u1ea9n doanh nghi\u1ec7p \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n. C\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong B\u1ea3ng 1 v\u00e0 B\u1ea3ng 2.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>C\u1ea5p \u0111\u1ed9<\/td><td>Cu<\/td><td>Pb<\/td><td>Fe<\/td><td>Sn<\/td><td>Zn<\/td><td>Mn<\/td><td>Ni<\/td><td>P<\/td><td>Cu+Sn+P<\/td><\/tr><tr><td>C5210<\/td><td><\/td><td>\u22640.02<\/td><td>0.10<\/td><td>7.0-9.0<\/td><td>\u22640.20<\/td><td><\/td><td><\/td><td>0.03-0.35<\/td><td>\u226599.5<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng 1 Th\u00e0nh ph\u1ea7n Chenimal (%)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>L\u1edbp<\/td><td>Tr\u1ea1ng th\u00e1i<\/td><td>\u0110\u1ed9 d\u00e0y, mm<\/td><td>\u0110\u1ed9 b\u1ec1n k\u00e9o, MPa<\/td><td>\u0110\u1ed9 gi\u00e3n d\u00e0i, %<\/td><td>\u0110\u1ed9 c\u1ee9ng Vickers, HV<\/td><\/tr><tr><td>C5210 (QSn8-0.3)<\/td><td>SH<\/td><td>0.05-0.15<\/td><td>730-830<\/td><td>\u226510<\/td><td>230-250<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng 2 Hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3 Nghi\u00ean c\u1ee9u s\u1ea3n ph\u1ea9m v\u00e0 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.1 X\u00e1c \u0111\u1ecbnh l\u1edbp, quy c\u00e1ch v\u00e0 tr\u1ea1ng th\u00e1i c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1edbp s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc C5210 (QSn8-Q3); tr\u1ea1ng th\u00e1i s\u1ea3n ph\u1ea9m l\u00e0 EH v\u00e0 SH; \u0111\u1ed9 d\u00e0y l\u00e0 0,07mm, 0,075mm, 0,08mm; chi\u1ec1u r\u1ed9ng l\u00e0 305~400mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.2 X\u00e1c \u0111\u1ecbnh quy tr\u00ecnh s\u1ea3n ph\u1ea9m<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t &#8220;cung c\u1ea5p ph\u00f4i \u0111\u00fac li\u00ean t\u1ee5c ngang &#8211; c\u00e1n ngu\u1ed9i &#8211; \u1ee7 &#8211; ho\u00e0n thi\u1ec7n&#8221; \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u l\u00e1 \u0111\u1ed3ng h\u1ee3p kim thi\u1ebfc ph\u1ed1t pho C5210.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4 Ph\u00e2n t\u00edch qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u s\u1ea3n ph\u1ea9m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.1 C\u1ea3i ti\u1ebfn quy tr\u00ecnh c\u00e1n s\u1ea3n ph\u1ea9m \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 l\u00e1 \u0111\u1ed3ng d\u1ec5 b\u1ecb r\u00e1ch v\u00e0 kh\u00f3 ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng t\u1ea5m. <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1 \u00e1n n\u00e0y \u0111\u00e3 c\u1ea3i t\u1ea1o m\u00e1y c\u00e1n ho\u00e0n thi\u1ec7n m\u01b0\u1eddi b\u1ed1n tr\u1ee5c trong ng\u00e0nh th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u00e1p d\u1ee5ng v\u00e0o ng\u00e0nh ch\u1ebf bi\u1ebfn \u0111\u1ed3ng. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e1y c\u00e1n \u0111\u01b0\u1ee3c thay \u0111\u1ed5i so v\u1edbi h\u1ec7 th\u1ed1ng ban \u0111\u1ea7u; tia Y \u0111\u01b0\u1ee3c thay b\u1eb1ng thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 d\u00e0y ti\u1ebfp x\u00fac do h\u00e3ng Vollmer, \u0110\u1ee9c s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tr\u00e1nh sai s\u1ed1 \u0111o l\u01b0\u1eddng do s\u1ef1 thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n, c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n, th\u1ee7y l\u1ef1c, b\u00f4i tr\u01a1n v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c h\u1ed7 tr\u1ee3 c\u0169ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i. \u0110\u1ed3ng th\u1eddi, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t h\u1ee3p kim thi\u1ebfc ph\u1ed1t pho 440mm hi\u1ec7n c\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, v\u00e0 chi\u1ec1u r\u1ed9ng s\u1ea3n ph\u1ea9m th\u1eed nghi\u1ec7m cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t 400nm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh c\u00e1n l\u00e1 \u0111\u1ed3ng h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao l\u00e0 \u0111\u1ed9 gi\u1ea3m tuy\u1ec7t \u0111\u1ed1i nh\u1ecf, \u0111\u1ed9 gi\u1ea3m t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, con l\u0103n \u1edf tr\u1ea1ng th\u00e1i khe c\u00e1n \u00e2m, l\u1ef1c c\u00e1n l\u1edbn v\u00e0 th\u01b0\u1eddng x\u1ea3y ra c\u1ea3nh b\u00e1o gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t c\u00e1n. Quy tr\u00ecnh c\u00e1n l\u00e1 \u0111\u1ed3ng ch\u1ecdn 3~4 l\u1ea7n c\u00e1n v\u00e0 s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 gia c\u00f4ng m\u1ed7i l\u1ea7n nh\u1ecf. T\u1ed1c \u0111\u1ed9 gia c\u00f4ng l\u1ea7n \u0111\u1ea7u kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 25%, c\u00e1c l\u1ea7n c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c gi\u1ea3m d\u1ea7n theo ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n b\u1ed1 v\u1edbi t\u1ed1c \u0111\u1ed9 gia c\u00f4ng 2~4. L\u1ef1c c\u0103ng ph\u00eda tr\u01b0\u1edbc nh\u1ecf h\u01a1n c\u00e0i \u0111\u1eb7t l\u1ef1c c\u0103ng ph\u00eda sau, trong \u0111\u00f3 l\u1ef1c c\u0103ng ph\u00eda tr\u01b0\u1edbc th\u1ea5p h\u01a1n l\u1ef1c c\u0103ng ph\u00eda sau t\u1eeb 10~25kN. Quy tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1n \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111\u1ee9t d\u1ea3i trong qu\u00e1 tr\u00ecnh c\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y c\u00e1n m\u01b0\u1eddi b\u1ed1n tr\u1ee5c l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y c\u00e1n nhi\u1ec1u tr\u1ee5c v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh tr\u1ea1ng th\u00e1i h\u00ecnh d\u1ea1ng. Khi c\u00e1n l\u00e1 h\u1ee3p kim \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao, s\u1ef1 bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ec1u d\u00f9 nh\u1ecf c\u0169ng s\u1ebd d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u00ecnh d\u1ea1ng k\u00e9m. Tr\u01b0\u1edbc t\u00ecnh h\u00ecnh n\u00e0y, ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh h\u00ecnh d\u1ea1ng c\u1ee7a m\u00e1y c\u00e1n m\u01b0\u1eddi b\u1ed1n tr\u1ee5c l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng t\u1ed1i \u01b0u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng con l\u0103n r\u00fat ra c\u1ee7a m\u00e1y c\u00e1n m\u01b0\u1eddi b\u1ed1n tr\u1ee5c v\u00e0 h\u00ecnh d\u1ea1ng con l\u0103n:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(1) Ph\u00e2n t\u00edch l\u1ef1c c\u1ee7a tr\u1ee5c l\u0103n trung gian th\u1ee9 hai khi c\u00e1n l\u00e1 h\u1ee3p kim \u0111\u1ed3ng, \u0111\u1ed3ng th\u1eddi ki\u1ec3m tra \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c tr\u1ee5c l\u0103n c\u00f3 bi\u00ean d\u1ea1ng l\u1ed3i +005mm v\u00e0 +Q03mm \u0111\u1ebfn h\u00ecnh d\u1ea1ng d\u1ea3i trong qu\u00e1 tr\u00ecnh c\u00e1n. Trong th\u1eed nghi\u1ec7m so s\u00e1nh, \u0111\u1ed9 l\u1ed3i c\u1ee7a tr\u1ee5c l\u0103n l\u1ed3i cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 +003mm, v\u00e0 vi\u1ec7c ph\u00e1t sinh s\u00f3ng gi\u1eefa trong qu\u00e1 tr\u00ecnh c\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u th\u00f4ng qua vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh bi\u00ean d\u1ea1ng tr\u1ee5c l\u0103n l\u1ed3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh 1 v\u00e0 2 l\u00e0 h\u00ecnh \u1ea3nh v\u1ec1 h\u00ecnh d\u1ea1ng c\u1ee7a t\u1ea5m c\u00e1n ph\u1eb3ng v\u1edbi c\u00e1c \u0111\u1ed9 cong kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/Fig-1-2.jpg\" alt=\"\" class=\"wp-image-2409\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">(2) Do m\u00e1y c\u00e1n m\u01b0\u1eddi b\u1ed1n tr\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9, s\u1ea3n ph\u1ea9m c\u00f3 chi\u1ec1u r\u1ed9ng 420nm \u0111\u01b0\u1ee3c c\u00e1n v\u1edbi h\u00ecnh d\u1ea1ng con l\u0103n c\u00f4n: chi\u1ec1u d\u00e0i c\u00f4n l\u00e0 120mm, \u0111\u1ed9 c\u00f4n l\u00e0 Q36mm. H\u00ecnh d\u1ea1ng con l\u0103n c\u00f4n n\u00e0y khi d\u00f9ng \u0111\u1ec3 c\u00e1n \u0111\u1ed3ng d\u1ec5 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng s\u00f3ng hai m\u1eb7t tr\u00ean l\u00e1 h\u1ee3p kim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi ph\u00e2n t\u00edch l\u1ef1c c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng con l\u0103n, ba ph\u01b0\u01a1ng \u00e1n g\u1ed3m m\u1ed9t c\u1ea5p c\u00f4n, hai c\u1ea5p c\u00f4n v\u00e0 ba c\u1ea5p c\u00f4n \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. K\u1ebft qu\u1ea3 cho th\u1ea5y lo\u1ea1i con l\u0103n c\u00f4n hai c\u1ea5p l\u00e0 l\u00fd t\u01b0\u1edfng, chi\u1ec1u d\u00e0i ph\u1ea7n c\u00f4n l\u00e0 230mm, chi\u1ec1u d\u00e0i ph\u1ea7n c\u00f4n m\u00e9p l\u00e0 170nm, \u0111\u1ed9 c\u00f4n l\u00e0 0,36mm; chi\u1ec1u d\u00e0i ph\u1ea7n c\u00f4n gi\u1eefa l\u00e0 60mm, \u0111\u1ed9 c\u00f4n l\u00e0 0,04mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch thay \u0111\u1ed5i h\u1ec7 th\u1ed1ng con l\u0103n, \u1ea3nh h\u01b0\u1edfng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng s\u00f3ng hai m\u1eb7t \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh d\u1ea1ng d\u1ea3i th\u00e9p \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<br>H\u00ecnh 3, H\u00ecnh 4 v\u00e0 H\u00ecnh 5 l\u00e0 c\u00e1c h\u00ecnh ch\u1ee5p v\u1ec1 h\u00ecnh d\u1ea1ng t\u1ea5m sau khi c\u00e1n s\u1eed d\u1ee5ng ba lo\u1ea1i con l\u0103n c\u00f4n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/Fig-3-4-5.jpg\" alt=\"\" class=\"wp-image-2410\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.2 Vi\u1ec7c \u1ee9ng d\u1ee5ng con l\u0103n 3M tr\u00ean m\u00e1y c\u00e1n 14 tr\u1ee5c trong n\u01b0\u1edbc \u0111\u00e3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 kh\u1eed d\u1ea7u trong qu\u00e1 tr\u00ecnh c\u00e1n d\u1ea3i l\u00e1 m\u1ecfng. <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n nay, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 kh\u1eed d\u1ea7u bao g\u1ed3m \u00e9p v\u00e0 c\u1ea1o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y c\u00e1n 14 tr\u1ee5c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p g\u1ea1t d\u1ea7u trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9. D\u1ee5ng c\u1ee5 g\u1ea1t d\u1ea7u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u nh\u1ef1a, v\u00e0 hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf d\u1ea7u r\u1ea5t t\u1ed1t. Tuy nhi\u00ean, khi thi\u1ebft b\u1ecb g\u1ea1t d\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e1n l\u00e1 \u0111\u1ed3ng, do d\u1ea3i \u0111\u1ed3ng m\u1ec1m h\u01a1n v\u1eadt li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9, n\u00ean sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng, b\u1ed9t \u0111\u1ed3ng c\u00e1n d\u1ec5 t\u00edch t\u1ee5 \u1edf c\u1ea1nh c\u1ee7a d\u1ee5ng c\u1ee5 g\u1ea1t d\u1ea7u, g\u00e2y ra c\u00e1c v\u1ebft x\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t d\u1ea3i, \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t c\u1ee7a d\u1ea3i, v\u00ec v\u1eady kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb g\u1ea1t d\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p \u00e9p b\u1eb1ng con l\u0103n, hi\u1ec7u qu\u1ea3 \u00e9p s\u1ebd kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00ec v\u1eadt li\u1ec7u qu\u00e1 m\u1ecfng. V\u00ec v\u1eady, con l\u0103n \u00e9p 3M \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 c\u1ea3i ti\u1ebfn, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean m\u00e1y c\u00e1n 14 tr\u1ee5c \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 kh\u1eed d\u1ea7u b\u1ec1 m\u1eb7t d\u1ea3i th\u00e9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh 6 v\u00e0 H\u00ecnh 7 hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh c\u1ee7a thi\u1ebft b\u1ecb c\u1ea1o d\u1ea7u v\u00e0 thi\u1ebft b\u1ecb kh\u1eed d\u1ea7u b\u1eb1ng con l\u0103n 3M khi c\u00e1n d\u1ea3i l\u00e1 m\u1ecfng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/Fig-6-7.jpg\" alt=\"\" class=\"wp-image-2411\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.3 Trong qu\u00e1 tr\u00ecnh c\u00e1n s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n, t\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng l\u1edbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00fap s\u1ea3n ph\u1ea9m \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ec9 s\u1ed1 c\u01a1 t\u00ednh cao tr\u00ean 730MPa.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u kim lo\u1ea1i tr\u1ea3i qua bi\u1ebfn d\u1ea1ng d\u1ebbo trong qu\u00e1 tr\u00ecnh c\u00e1n, x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng h\u00f3a b\u1ec1n do bi\u1ebfn d\u1ea1ng, nh\u1edd \u0111\u00f3 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong tr\u1ea1ng th\u00e1i ho\u00e0n to\u00e0n t\u00e1i k\u1ebft tinh c\u1ee7a \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc, khi t\u1ed1c \u0111\u1ed9 gia c\u00f4ng t\u0103ng l\u00ean, t\u00ednh n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng ng\u00e0y c\u00e0ng cao h\u01a1n. Do \u0111\u00f3, ch\u1ec9 s\u1ed1 t\u00ednh n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 gia c\u00f4ng t\u01b0\u01a1ng \u1ee9ng. Gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o tr\u00ean 730MPa, t\u1ed5ng t\u1ed1c \u0111\u1ed9 gia c\u00f4ng tr\u00ean 50%, v\u00e0 cao nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 63%. T\u1ea5t nhi\u00ean, t\u00ednh n\u0103ng c\u1ee7a tr\u1ea1ng th\u00e1i t\u00e1i k\u1ebft tinh (c\u00f2n g\u1ecdi l\u00e0 tr\u1ea1ng th\u00e1i n\u1ec1n) c\u0169ng c\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ebfn t\u00ednh n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh 8. H\u00ecnh 9 l\u1ea7n l\u01b0\u1ee3t hi\u1ec3n th\u1ecb c\u00e1c \u1ea3nh vi c\u1ea5u tr\u00fac c\u1ee7a s\u1ea3n ph\u1ea9m c\u00e1n v\u1edbi t\u1ef7 l\u1ec7 gia c\u00f4ng th\u1ea5p v\u00e0 t\u1ef7 l\u1ec7 gia c\u00f4ng cao.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/Fig-8-9.jpg\" alt=\"\" class=\"wp-image-2412\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.4 Quy tr\u00ecnh \u1ee7 \u0111\u00e1y c\u1ee7a s\u1ea3n ph\u1ea9m nghi\u00ean c\u1ee9u<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau hi\u1ec7u su\u1ea5t \u0111\u1ed9 b\u1ec1n cao, vi\u1ec7c \u1ee7 \u0111\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng hai ph\u01b0\u01a1ng ph\u00e1p: l\u00f2 \u1ee7 ki\u1ec3u chu\u00f4ng v\u00e0 l\u00f2 \u0111\u1ec7m kh\u00ed d\u1ea1ng tr\u1ea3i ph\u1eb3ng. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ea3i m\u1ecfng c\u00f3 \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi 0,2mm, c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u1ee7 \u0111\u1ec1u kh\u00f4ng \u0111\u1ee7 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do l\u00f2 \u1ee7 ki\u1ec3u chu\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u1ee7 cu\u1ed9n, n\u00ean gi\u1eefa c\u00e1c d\u1ea3i \u0111\u1ed3ng th\u01b0\u1eddng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng d\u00ednh ch\u1eb7t, d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u1ee7 d\u1ea3i m\u1ecfng trong l\u00f2 \u0111\u1ec7m kh\u00ed, c\u00f3 hai v\u1ea5n \u0111\u1ec1 ch\u00ednh. M\u1ed9t l\u00e0 d\u1ea3i m\u1ecfng v\u00e0 m\u1ec1m, d\u1ec5 b\u1ecb \u0111\u1ee9t trong v\u00f9ng l\u00f2; v\u1ea5n \u0111\u1ec1 th\u1ee9 hai l\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1ea1y b\u1ecb h\u1ea1n ch\u1ebf, v\u00e0 sau khi \u1ee7, d\u1ea3i tr\u1edf n\u00ean qu\u00e1 m\u1ec1m, khi\u1ebfn hi\u1ec7u su\u1ea5t th\u00e0nh ph\u1ea9m th\u1ea5p, kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean hai \u0111i\u1ec3m n\u00eau tr\u00ean, ph\u01b0\u01a1ng ph\u00e1p \u1ee7 trong l\u00f2 \u0111\u1ec7m kh\u00ed \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho nguy\u00ean li\u1ec7u d\u1ef1 tr\u1eef \u0111\u00e1y, v\u00e0 ch\u1ee7 y\u1ebfu nghi\u00ean c\u1ee9u l\u1ef1c c\u0103ng c\u0169ng nh\u01b0 \u00e1p su\u1ea5t gi\u00f3 t\u1ea1i v\u00f9ng l\u00f2 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u d\u1ef1 tr\u1eef \u0111\u00e1y c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau, nh\u1eb1m \u0111\u1ea3m b\u1ea3o d\u1ea3i \u0111\u1ed3ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 li\u00ean t\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n, n\u00ean c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 \u1ee7 v\u00e0 t\u1ed1c \u0111\u1ed9 \u1ee7, \u0111\u1ed3ng th\u1eddi \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 \u1ee7 \u1edf t\u1ed1c \u0111\u1ed9 nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1edbp n\u1ec1n \u0111\u01b0\u1ee3c \u1ee7 \u0111\u00fang c\u00e1ch v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u cao v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.5 X\u00e1c \u0111\u1ecbnh quy tr\u00ecnh c\u0103ng ph\u1eb3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 n\u1eafn th\u1eb3ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y n\u1eafn th\u1eb3ng u\u1ed1n c\u0103ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua l\u1ef1c k\u00e9o n\u1eafn v\u00e0 \u0111i\u1ec1u ch\u1ec9nh t\u1eebng \u0111o\u1ea1n c\u1ee7a c\u00e1c con l\u0103n \u0111\u1ee1. V\u00ec \u0111\u1ed9 d\u00e0y c\u1ee7a l\u00e1 \u0111\u1ed3ng nh\u1ecf h\u01a1n Q lmm, t\u1ee9c l\u00e0 \u0111\u00e3 nh\u1ecf h\u01a1n \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u Qlmm c\u1ee7a m\u00e1y n\u1eafn th\u1eb3ng u\u1ed1n c\u0103ng, n\u00ean trong qu\u00e1 tr\u00ecnh n\u00e0y d\u1ec5 x\u1ea3y ra t\u00ecnh tr\u1ea1ng n\u1eafn qu\u00e1 m\u1ee9c v\u00e0 \u0111\u1ee9t d\u1ea3i, hi\u1ec7u qu\u1ea3 n\u1eafn k\u00e9m c\u00f9ng h\u00e0ng lo\u1ea1t v\u1ea5n \u0111\u1ec1 kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng c\u1ee7a l\u00e1 \u0111\u1ed3ng, quy tr\u00ecnh n\u1eafn th\u1eb3ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh. \u0110\u1ea7u ti\u00ean l\u00e0 ki\u1ec3m so\u00e1t l\u1ef1c c\u0103ng; l\u1ef1c c\u0103ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u1eafn th\u1eb3ng v\u00e0 c\u1ea7n ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng d\u00e2y \u0111ai b\u1ecb \u0111\u1ee9t do l\u1ef1c c\u0103ng qu\u00e1 l\u1edbn. Th\u1ee9 hai l\u00e0 \u0111i\u1ec1u ch\u1ec9nh khe h\u1edf con l\u0103n ph\u00f9 h\u1ee3p, gi\u1edbi h\u1ea1n gi\u00e1 tr\u1ecb t\u1ed1i \u0111a c\u1ee7a \u00e1p l\u1ef1c \u0111i\u1ec1u ch\u1ec9nh t\u1eebng \u0111o\u1ea1n \u0111\u1ec3 tr\u00e1nh vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh n\u1eafn th\u1eb3ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua c\u00e1c th\u00ed nghi\u1ec7m li\u00ean t\u1ee5c nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 n\u1eafn th\u1eb3ng v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng t\u1ea5m t\u1ed1t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>5 K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m nghi\u00ean c\u1ee9u s\u1ea3n ph\u1ea9m<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m c\u1ee7a s\u1ea3n ph\u1ea9m g\u1eedi \u0111\u1ebfn trung t\u00e2m ki\u1ec3m tra c\u1ee7a C\u00f4ng ty TNHH \u0110\u1ed3ng Chinalco L\u1ea1c D\u01b0\u01a1ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong B\u1ea3ng 3 v\u00e0 B\u1ea3ng 4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u1ea9y d\u1ea7u tr\u00ean b\u1ec1 m\u1eb7t d\u1ea3i c\u1ee7a m\u00e1y c\u00e1n l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 mang t\u00ednh to\u00e0n c\u1ea7u. \u0110\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y d\u1ea7u t\u1ed1t, ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3 ph\u1ea3i c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ea9y d\u1ea7u cao m\u00e0 kh\u00f4ng g\u00e2y h\u01b0 h\u1ea1i cho b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>L\u1edbp<\/td><td>Cu<\/td><td>Pb<\/td><td>Fe<\/td><td>Sn<\/td><td>Zn<\/td><td>Mn<\/td><td>Ni<\/td><td>P<\/td><td>Cu+Sn+P<\/td><\/tr><tr><td>C5210<\/td><td><\/td><td>\u22640.02<\/td><td>0.10<\/td><td>7.0-9.0<\/td><td>\u22640.20<\/td><td><\/td><td><\/td><td>0.03-0.35<\/td><td>\u226599.5<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng 3 Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (%)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>L\u1edbp<\/td><td>T\u00ecnh tr\u1ea1ng<\/td><td>\u0110\u1ed9 d\u00e0y, mm<\/td><td>\u0110\u1ed9 b\u1ec1n k\u00e9o, MPa<\/td><td>\u0110\u1ed9 gi\u00e3n d\u00e0i, %<\/td><td>\u0110\u1ed9 c\u1ee9ng Vickers, HV<\/td><\/tr><tr><td>C5210 (QSn8-0.3)<\/td><td>SH<\/td><td>0.05-0.15<\/td><td>730-830<\/td><td>\u226510<\/td><td>230-250<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng 4 T\u00ednh n\u0103ng c\u01a1 h\u1ecdc<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">6 K\u1ebft lu\u1eadn<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1 \u00e1n n\u00e0y nghi\u00ean c\u1ee9u v\u00e0 c\u1ea3i t\u1ea1o m\u00e1y c\u00e1n 14 tr\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh th\u00e9p kh\u00f4ng g\u1ec9, \u00e1p d\u1ee5ng thi\u1ebft b\u1ecb t\u1ea9y d\u1ea7u b\u1eb1ng con l\u0103n 3M, ti\u1ebfn h\u00e0nh \u0111\u1ed5i m\u1edbi v\u00e0 c\u1ea3i ti\u1ebfn quy tr\u00ecnh c\u00f4ng ngh\u1ec7, \u0111\u1ed3ng th\u1eddi ph\u00e1t tri\u1ec3n l\u00e1 \u0111\u1ed3ng h\u1ee3p kim thi\u1ebfc-ph\u1ed1t pho C5210 kh\u1ed5 r\u1ed9ng (400mm) v\u1edbi hi\u1ec7u su\u1ea5t cao. D\u1ef1 \u00e1n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 r\u1eb1ng \u1edf Trung Qu\u1ed1c ch\u01b0a th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c l\u00e1 \u0111\u1ed3ng h\u1ee3p kim thi\u1ebfc-ph\u1ed1t pho C5210 kh\u1ed5 r\u1ed9ng 400mm th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p c\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(2) Nghi\u00ean c\u1ee9u v\u1ec1 quy tr\u00ecnh \u1ee7 gi\u1eef \u0111\u00e1y \u0111\u00e3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 kh\u00f3 kh\u0103n trong vi\u1ec7c th\u1ef1c hi\u1ec7n quy tr\u00ecnh \u1ee7 gi\u1eef \u0111\u00e1y \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p d\u1ea3i m\u1ecfng. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00f4ng ngh\u1ec7 nh\u01b0 t\u1ed1c \u0111\u1ed9 gia c\u00f4ng l\u1edbn v\u00e0 n\u1eafn th\u1eb3ng b\u1eb1ng u\u1ed1n k\u00e9o, \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ec9 ti\u00eau hi\u1ec7u su\u1ea5t v\u1ec1 h\u00ecnh d\u1ea1ng t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(3) Gi\u1edbi h\u1ea1n b\u1ec1n k\u00e9o c\u1ee7a s\u1ea3n ph\u1ea9m \u1edf tr\u1ea1ng th\u00e1i SH \u0111\u1ea1t tr\u00ean 730 MPa, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 chi\u1ec1u d\u00e0y l\u00e0 0,002 mm, v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn tr\u00ecnh \u0111\u1ed9 ti\u00ean ti\u1ebfn qu\u1ed1c t\u1ebf. S\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng c\u00f4ng nh\u1eadn v\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf h\u00e0ng nh\u1eadp kh\u1ea9u.<\/p>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.3\"><\/script>","protected":false},"excerpt":{"rendered":"<p>B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac li\u00ean t\u1ee5c ngang v\u00e0 c\u00e1n ngu\u1ed9i \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1ed3ng ph\u1ed1t-pho thi\u1ebfc C5210 hi\u1ec7u su\u1ea5t cao \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u. Kh\u00f3 kh\u0103n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2825,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[],"class_list":["post-2836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-techniques"],"_links":{"self":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts\/2836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/comments?post=2836"}],"version-history":[{"count":0,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts\/2836\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/media\/2825"}],"wp:attachment":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/media?parent=2836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/categories?post=2836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/tags?post=2836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}