{"id":73566,"date":"2026-03-13T09:04:03","date_gmt":"2026-03-13T01:04:03","guid":{"rendered":"https:\/\/xtlaser.com\/?p=73566"},"modified":"2026-03-13T09:04:05","modified_gmt":"2026-03-13T01:04:05","slug":"how-to-cut-rusty-metal-plates-with-a-fiber-laser-cutter-best-practices-risks","status":"publish","type":"post","link":"https:\/\/xtlaser.com\/vi\/how-to-cut-rusty-metal-plates-with-a-fiber-laser-cutter-best-practices-risks.html","title":{"rendered":"How to Cut Rusty Metal Plates with a Fiber Laser Cutter: Best Practices & Risks"},"content":{"rendered":"

H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1: T\u1ea1i sao \u0111\u1ea7u c\u1eaft laser s\u1ee3i quang c\u1ee7a b\u1ea1n b\u1ecb qu\u00e1 nhi\u1ec7t?<\/span><\/h3>
<\/div><\/div>\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi Steven, V\u1eadn h\u00e0nh K\u1ef9 thu\u1eadt t\u1ea1i XT LASER<\/span>Xu\u1ea5t b\u1ea3n: Th\u00e1ng 3 n\u0103m 2026 | Th\u1eddi gian \u0111\u1ecdc: 3 ph\u00fat<\/span><\/font><\/div>\n
\n
\n
\n
\n
\n

T\u00f3m t\u1eaft:<\/strong> M\u00e1y c\u1eaft laser s\u1ee3i quang c\u00f3 th\u1ec3 x\u1eed l\u00fd th\u00e9p b\u1ecb g\u1ec9 kh\u00f4ng? C\u00f3, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd t\u01b0\u1edfng. G\u1ec9 l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 laser c\u1ee7a v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u1eaft gi\u1ea3m, ch\u1ea5t l\u01b0\u1ee3ng c\u1ea1nh k\u00e9m v\u00e0 nguy c\u01a1 nhi\u1ec5m b\u1ea9n th\u1ea5u k\u00ednh cao do v\u1ea3y b\u1eafn khi xuy\u00ean th\u1ee7ng.<\/sup> N\u1ebfu t\u1ea5m d\u00e0y d\u01b0\u1edbi 5mm v\u00e0 b\u1ecb g\u1ec9 \u0111\u1ed3ng \u0111\u1ec1u, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eaft v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 \u0111\u00e3 s\u1eeda \u0111\u1ed5i. \u0110\u1ed1i v\u1edbi t\u1ea5m d\u00e0y tr\u00ean 5mm, b\u1ea1n ph\u1ea3i lo\u1ea1i b\u1ecf g\u1ec9 b\u1eb1ng c\u01a1 h\u1ecdc d\u1ecdc theo \u0111\u01b0\u1eddng c\u1eaft tr\u01b0\u1edbc khi x\u1eed l\u00fd \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

M\u00e1y c\u1eaft laser s\u1ee3i quang l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu cho gia c\u00f4ng kim lo\u1ea1i t\u1ea5m hi\u1ec7n \u0111\u1ea1i.<\/sup> However, in real-world production\u2014especially in humid coastal or southern regions\u2014workshops frequently encounter carbon steel and iron plates that have developed significant surface rust.<\/p>\n\n\n\n

M\u1ed9t c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn m\u00e0 ch\u00fang t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c kh\u00e1ch h\u00e0ng to\u00e0n c\u1ea7u l\u00e0: “Can my fiber laser cutter still process these rusted plates?”<\/em><\/p>\n\n\n\n

\u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i hi\u1ec3u c\u00e1ch laser ho\u1ea1t \u0111\u1ed9ng. B\u1ea3n th\u00e2n ch\u00f9m tia laser kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n nhi\u1ec7t v\u1eadt l\u00fd; n\u00f3 t\u1ea1o ra nhi\u1ec7t l\u01b0\u1ee3ng d\u1eef d\u1ed9i ch\u1ec9 sau khi n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/sup> B\u1edfi v\u00ec g\u1ec9 s\u1eaft (oxit s\u1eaft) c\u00f3 t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n kh\u00e1c so v\u1edbi kim lo\u1ea1i tr\u1ea7n, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a g\u1ec9 \u1ea3nh h\u01b0\u1edfng n\u1eb7ng n\u1ec1 \u0111\u1ebfn vi\u1ec7c t\u1ea1o nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1eaft.<\/sup><\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt v\u1ec1 nh\u1eefng g\u00ec x\u1ea3y ra khi b\u1ea1n c\u1eaft c\u00e1c t\u1ea5m b\u1ecb g\u1ec9 v\u00e0 c\u00e1ch x\u1eed l\u00fd ch\u00fang m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n\n\n\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a G\u1ec9 l\u00ean Hi\u1ec7u su\u1ea5t C\u1eaft Laser<\/h2>\n\n\n\n

X\u1eed l\u00fd kim lo\u1ea1i b\u1ecb oxy h\u00f3a ho\u1eb7c g\u1ec9 s\u00e9t th\u01b0\u1eddng s\u1ebd d\u1eabn \u0111\u1ebfn ba \u1ea3nh h\u01b0\u1edfng sau:<\/p>\n\n\n\n

Gi\u1ea3m Hi\u1ec7u su\u1ea5t v\u00e0 Ch\u1ea5t l\u01b0\u1ee3ng C\u1ea1nh<\/h3>\n\n\n\n

G\u1ec9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t r\u00e0o c\u1ea3n. N\u00f3 l\u00e0m cho laser h\u1ea5p th\u1ee5 kh\u00f4ng \u0111\u1ec1u, l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1eaft t\u1ed5ng th\u1ec3 v\u00e0 \u0111\u1ec3 l\u1ea1i c\u1ea1nh th\u00f4, nhi\u1ec1u x\u1ec9.<\/sup> Do \u0111\u00f3, t\u1ef7 l\u1ec7 ph\u1ebf ph\u1ea9m cho c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c s\u1ebd t\u0103ng l\u00ean r\u00f5 r\u1ec7t. B\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3, s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m s\u1ea1ch lu\u00f4n l\u00e0 l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n

2. Nguy c\u01a1 Cao v\u1ec1 Nhi\u1ec5m b\u1ea9n Quang h\u1ecdc (Ph\u1ea3n l\u1ef1c khi Xuy\u00ean th\u1ee7ng)<\/h3>\n\n\n\n

This is the most severe consequence. When the laser attempts to pierce a heavily rusted plate, the trapped moisture and unpredictable thermal expansion often cause “piercing blowbacks” or explosive slag spatter.<\/p>\n\n\n\n

C\u00e1c v\u1ea3y b\u1eafn bay n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng v\u01b0\u1ee3t qua v\u00f2i phun v\u00e0 l\u00e0m \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng ho\u1eb7c l\u00e0m v\u1ee1 th\u1ea5u k\u00ednh b\u1ea3o v\u1ec7 b\u00ean trong \u0111\u1ea7u laser c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

3. G\u1ec9 \u0110\u1ed3ng nh\u1ea5t so v\u1edbi G\u1ec9 Kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i lo\u1ea1i g\u1ec9 n\u00e0o c\u0169ng gi\u1ed1ng nhau:<\/p>\n\n\n\n