{"id":20026,"date":"2020-09-10T06:27:45","date_gmt":"2020-09-10T06:27:45","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=20026"},"modified":"2020-09-10T06:27:49","modified_gmt":"2020-09-10T06:27:49","slug":"what-method-is-efficient-and-reliable-for-micro-machining-less-than-150-%ce%bcm","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-method-is-hieu-qua-va-dang-tin-cay-cho-vi-gia-cong-it-hon-150-%ce%bcm\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o l\u00e0 hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady cho gia c\u00f4ng vi m\u00f4 nh\u1ecf h\u01a1n 150 \u03bcm?"},"content":{"rendered":"
\n

C\u00f4ng ngh\u1ec7 phun x\u0103ng tr\u1ef1c ti\u1ebfp v\u00e0o xi lanh th\u1ebf h\u1ec7 m\u1edbi l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ee7 \u0111\u1ea1o trong l\u0129nh v\u1ef1c \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4. N\u00f3 phun nhi\u00ean li\u1ec7u ch\u00ednh x\u00e1c v\u00e0o xi lanh th\u00f4ng qua kim phun nhi\u00ean li\u1ec7u v\u00e0 h\u00f2a tr\u1ed9n ho\u00e0n to\u00e0n v\u1edbi kh\u00f4ng kh\u00ed n\u1ea1p \u0111\u1ec3 t\u1ea1o ra to\u00e0n b\u1ed9 ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng gi\u1ecdt nhi\u00ean li\u1ec7u.<\/p>\n\n\n\n

Nh\u01b0 c\u00f3 th\u1ec3 th\u1ea5y trong h\u00ecnh b\u00ean d\u01b0\u1edbi, c\u00f3 c\u00e1c l\u1ed7 nh\u1ecf ph\u00e2n b\u1ed1 tr\u00ean kim phun, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a ch\u00fang nh\u1ecf h\u01a1n 150 micron. \u0110\u01b0\u1eddng k\u00ednh l\u1ed7, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, v\u1ecb tr\u00ed, h\u00ecnh d\u1ea1ng, vv s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a kim phun, do \u0111\u00f3, c\u00f3 nh\u1eefng y\u00eau c\u1ea7u x\u1eed l\u00fd nghi\u00eam ng\u1eb7t. \u0110\u1ed3ng th\u1eddi, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, th\u1eddi gian x\u1eed l\u00fd c\u1ee7a m\u1ed7i l\u1ed7 si\u00eau nh\u1ecf b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong v\u00f2ng v\u00e0i gi\u00e2y.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V\u00ec v\u1eady v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 y\u00eau c\u1ea7u gia c\u00f4ng c\u1ee7a c\u00e1c l\u1ed7 si\u00eau nh\u1ecf kim phun v\u01b0\u1ee3t xa kh\u1ea3 n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 khoan c\u01a1 kh\u00ed truy\u1ec1n th\u1ed1ng. Quy tr\u00ecnh n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u00f4ng ch\u00ednh x\u00e1c c\u00e1c l\u1ed7 si\u00eau nh\u1ecf n\u00e0y?<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd truy\u1ec1n th\u1ed1ng so v\u1edbi c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd vi l\u1ed7 c\u1ea3i ti\u1ebfn<\/h2>\n\n\n\n

Hi\u1ec7n nay, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng kim phun vi l\u1ed7 ph\u1ed5 bi\u1ebfn ch\u1ee7 y\u1ebfu bao g\u1ed3m khoan c\u01a1 kh\u00ed, EDM v\u00e0 gia c\u00f4ng laser femto gi\u00e2y.<\/p>\n\n\n\n

Chi ph\u00ed khoan c\u01a1 kh\u00ed l\u00e0 cao nh\u1ea5t. Do d\u1ee5ng c\u1ee5 khoan l\u1ed7 nh\u1ecf \u0111\u1eaft ti\u1ec1n, d\u1ec5 m\u00e0i m\u00f2n trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 d\u1ee5ng c\u1ee5 c\u00f3 nguy c\u01a1 g\u00e3y, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a qu\u00e1 tr\u00ecnh gia c\u00f4ng l\u1ed7 nh\u1ecf v\u00e0 n\u0103ng su\u1ea5t s\u1ea3n ph\u1ea9m, \u0111\u1ed3ng th\u1eddi gi\u00e1 th\u00e0nh v\u1eadt t\u01b0 ti\u00eau hao cao.<\/p>\n\n\n\n

M\u1eb7c d\u00f9 EDM linh ho\u1ea1t h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi k\u00edch th\u01b0\u1edbc khoan c\u01a1 h\u1ecdc, nh\u01b0ng hi\u1ec7u qu\u1ea3 gia c\u00f4ng c\u1ee7a n\u00f3 th\u1ea5p v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t kh\u00f4ng l\u00fd t\u01b0\u1edfng. \u0110\u1eb7c bi\u1ec7t tr\u00ean b\u1ec1 m\u1eb7t gia c\u00f4ng s\u1ebd c\u00f3 l\u1edbp remelting. \u0110\u1ed3ng th\u1eddi, ch\u00fang ta c\u0169ng ph\u1ea3i xem x\u00e9t chi ph\u00ed \u0111i\u1ec7n c\u1ef1c v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n

Tuy nhi\u00ean, femtosecond laser kh\u00f4ng th\u1ec3 t\u1ea1o ra nhi\u1ec7t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 l\u1ed7 si\u00eau nh\u1ecf \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi femtosecond laser kh\u00f4ng c\u00f3 l\u1edbp n\u1ea5u ch\u1ea3y v\u00e0 \u0111\u01b0\u1eddng g\u1edd, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c c\u1ea1nh s\u1eafc n\u00e9t r\u00f5 r\u00e0ng h\u01a1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n, do \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a v\u00f2i phun.<\/p>\n\n\n\n

L\u1ea5y m\u1ed9t l\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 150 \u03bc m v\u00e0 s\u00e2u 0,5 mm l\u00e0m v\u00ed d\u1ee5, k\u1ebft qu\u1ea3 gia c\u00f4ng c\u1ee7a EDM v\u00e0 laser femto gi\u00e2y \u0111\u01b0\u1ee3c so s\u00e1nh<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

B\u00ean tr\u00e1i c\u1ee7a h\u00ecnh cho th\u1ea5y l\u1ed7 si\u00eau nh\u1ecf \u0111\u01b0\u1ee3c gia c\u00f4ng b\u1eb1ng EDM v\u00e0 b\u00ean ph\u1ea3i cho th\u1ea5y l\u1ed7 si\u00eau nh\u1ecf \u0111\u01b0\u1ee3c gia c\u00f4ng b\u1eb1ng laser femto gi\u00e2y<\/p>\n\n\n\n

It is worth mentioning that we are not unfamiliar with laser processing. So, what’s the difference between femtosecond laser and nanosecond laser and picosecond laser we often hear?<\/p>\n\n\n\n

Let’s make clear the time unit conversion first<\/p>\n\n\n\n

1ms = 0,001s = 10-3<\/sup>S&nbSp;<\/p>\n\n\n\n

1\u03bcs = 0,000001s = 10-6<\/sup>S\u00a0<\/p>\n\n\n\n

1ns = 0,0000000001s = 10-9<\/sup>S<\/p>\n\n\n\n

1 gi\u00e2y = 0,0000000000001 gi\u00e2y = 10-12<\/sup>S<\/p>\n\n\n\n

1fs = 0,000000000000001 gi\u00e2y = 10-15<\/sup>S<\/p>\n\n\n\n

N\u1ebfu ch\u00fang ta hi\u1ec3u \u0111\u01a1n v\u1ecb th\u1eddi gian, ch\u00fang ta s\u1ebd bi\u1ebft r\u1eb1ng femtosecond laser l\u00e0 m\u1ed9t x\u1eed l\u00fd laser xung c\u1ef1c ng\u1eafn, v\u00ec v\u1eady ch\u1ec9 c\u00f3 n\u00f3 m\u1edbi th\u1ef1c s\u1ef1 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

C\u00f3 l\u1ed7 khoan laser nano gi\u00e2y, l\u1ed7 khoan laser picosec gi\u00e2y v\u00e0 l\u1ed7 khoan laser femto gi\u00e2y<\/p>\n\n\n\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tia laser femto gi\u00e2y<\/h2>\n\n\n\n

Khi tia laser femto gi\u00e2y t\u00e1c \u0111\u1ed9ng v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd kim lo\u1ea1i v\u00e0 phi kim, nguy\u00ean t\u1eafc ho\u00e0n to\u00e0n kh\u00e1c nhau. C\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c electron t\u1ef1 do tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i. Khi tia laser chi\u1ebfu v\u00e0o b\u1ec1 m\u1eb7t kim lo\u1ea1i, c\u00e1c electron t\u1ef1 do s\u1ebd b\u1ecb \u0111\u1ed1t n\u00f3ng ngay l\u1eadp t\u1ee9c, v\u00e0 c\u00e1c electron s\u1ebd va ch\u1ea1m nhau trong v\u00e0i ch\u1ee5c gi\u00e2y bay. C\u00e1c electron t\u1ef1 do s\u1ebd truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng cho m\u1ea1ng tinh th\u1ec3 v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c l\u1ed7 tr\u1ed1ng. Tuy nhi\u00ean, n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m c\u1ee7a \u00ealectron t\u1ef1 do nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ion n\u00ean c\u1ea7n nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 d\u1eabn n\u0103ng l\u01b0\u1ee3ng. Tuy nhi\u00ean, v\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc Trung Qu\u1ed1c gi\u1ea3i quy\u1ebft.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Khi tia laser femto gi\u00e2y t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u phi kim lo\u1ea1i, do c\u00f3 \u00edt \u0111i\u1ec7n t\u1eed t\u1ef1 do tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u, n\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u s\u1ebd b\u1ecb ion h\u00f3a tr\u01b0\u1edbc khi chi\u1ebfu tia laser, v\u00e0 sau \u0111\u00f3 c\u00e1c \u0111i\u1ec7n t\u1eed t\u1ef1 do \u0111\u01b0\u1ee3c t\u1ea1o ra. C\u00e1c li\u00ean k\u1ebft c\u00f2n l\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i. Khi tia laser femto gi\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ed7 si\u00eau nh\u1ecf, m\u1ed9t l\u1ed7 nh\u1ecf s\u1ebd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u. V\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a s\u1ed1 l\u01b0\u1ee3ng xung, \u0111\u1ed9 s\u00e2u c\u1ee7a h\u1ed1 t\u0103ng l\u00ean. Tuy nhi\u00ean, v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a \u0111\u1ed9 s\u00e2u, c\u00e1c m\u1ea3nh v\u1ee1 ng\u00e0y c\u00e0ng kh\u00f3 bay ra kh\u1ecfi \u0111\u00e1y h\u1ed1. K\u1ebft qu\u1ea3 l\u00e0, n\u0103ng l\u01b0\u1ee3ng c\u1ee7a tia laser lan truy\u1ec1n xu\u1ed1ng \u0111\u00e1y ng\u00e0y c\u00e0ng \u00edt \u0111i, v\u00e0 tr\u1ea1ng th\u00e1i b\u00e3o h\u00f2a c\u1ee7a \u0111\u1ed9 s\u00e2u kh\u00f4ng th\u1ec3 t\u0103ng l\u00ean, t\u1ee9c l\u00e0 ng\u01b0\u1eddi ta \u0111\u00e3 khoan m\u1ed9t l\u1ed7 si\u00eau nh\u1ecf.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 laser femto gi\u00e2y m\u1edbi<\/h2>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1edbi laser femto gi\u00e2y ch\u1ec9 m\u1edbi xu\u1ea5t hi\u1ec7n. C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ee9ng d\u1ee5ng ch\u00ednh bao g\u1ed3m: c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn, c\u00f4ng nghi\u1ec7p n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi (\u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f4ng ngh\u1ec7 m\u00e0ng m\u1ecfng), c\u00f4ng nghi\u1ec7p m\u00e0n h\u00ecnh ph\u1eb3ng, \u0111\u00fac vi h\u1ee3p kim, gia c\u00f4ng c\u1ea5u tr\u00fac \u0111i\u1ec7n c\u1ef1c v\u00e0 kh\u1ea9u \u0111\u1ed9 ch\u00ednh x\u00e1c, gia c\u00f4ng v\u1eadt li\u1ec7u kh\u00f3 h\u00e0ng kh\u00f4ng, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c!<\/p>\n\n\n\n

D\u01b0\u1edbi n\u1ec1n t\u1ea3ng made in China 2025, ng\u00e0nh s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p truy\u1ec1n th\u1ed1ng \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 chuy\u1ec3n \u0111\u1ed5i s\u00e2u s\u1eafc. M\u1ed9t trong nh\u1eefng h\u01b0\u1edbng \u0111i l\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 chuy\u1ec3n sang gia c\u00f4ng ch\u00ednh x\u00e1c cao c\u1ea5p, c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao h\u01a1n, h\u00e0ng r\u00e0o k\u1ef9 thu\u1eadt cao h\u01a1n. X\u1eed l\u00fd laser ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1 n\u00e0y. Laser v\u00e0 thi\u1ebft b\u1ecb x\u1eed l\u00fd laser \u0111\u00e3 xu\u1ea5t hi\u1ec7n trong c\u00e1c l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t 3C cao c\u1ea5p nh\u01b0 s\u1ea3n xu\u1ea5t m\u00f4-\u0111un m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, dicing wafer b\u00e1n d\u1eabn, v.v. v\u00e0 cho th\u1ea5y tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng m\u1edbi trong ch\u1ebf bi\u1ebfn sapphire, k\u00ednh cong v\u00e0 s\u1ea3n xu\u1ea5t g\u1ed1m.<\/p>\n\n\n\n

Ng\u00e0nh 3C<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

L\u00e0 m\u1ed9t \u0111\u1ea1i di\u1ec7n \u0111i\u1ec3n h\u00ecnh c\u1ee7a laser xung si\u00eau ng\u1eafn, laser femto gi\u00e2y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9 r\u1ed9ng xung c\u1ef1c ng\u1eafn v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ec9nh c\u1ef1c cao. N\u00f3 c\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng gia c\u00f4ng, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 gia c\u00f4ng c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n v\u00e0 v\u1eadt li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t nh\u01b0 sapphire, th\u1ee7y tinh, g\u1ed1m s\u1ee9,\u2026 n\u00ean r\u1ea5t th\u00edch h\u1ee3p cho ng\u00e0nh gia c\u00f4ng vi m\u00f4 trong c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do vi\u1ec7c \u00e1p d\u1ee5ng m\u00f4-\u0111un nh\u1eadn d\u1ea1ng d\u1ea5u v\u00e2n tay trong \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng t\u1eeb n\u0103m ngo\u00e1i \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c mua tia laser femtosecond. M\u00f4-\u0111un v\u00e2n tay li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1eb1ng laser: \u2460 d\u00e1t m\u1ecfng, \u2461 c\u1eaft chip, c\u1eaft b\u00eca, c\u1eaft v\u00e0 khoan \u0111\u01b0\u1eddng vi\u1ec1n b\u1ea3ng m\u1ec1m \u2463 FPC, \u2464 kh\u1eafc laser, v.v. Trong s\u1ed1 \u0111\u00f3, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c x\u1eed l\u00fd t\u1ea5m ph\u1ee7 Sapphire \/ th\u1ee7y tinh v\u00e0 chip IC. Apple 6 \u0111\u00e3 ch\u00ednh th\u1ee9c s\u1eed d\u1ee5ng nh\u1eadn d\u1ea1ng v\u00e2n tay t\u1eeb n\u0103m 2015 v\u00e0 \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a m\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u trong n\u01b0\u1edbc. Hi\u1ec7n t\u1ea1i, t\u1ef7 l\u1ec7 th\u00e2m nh\u1eadp c\u1ee7a nh\u1eadn d\u1ea1ng v\u00e2n tay l\u00e0 \u00edt h\u01a1n 50%. Do \u0111\u00f3, v\u1eabn c\u00f2n m\u1ed9t kh\u00f4ng gian ph\u00e1t tri\u1ec3n l\u1edbn cho m\u00e1y laser \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd m\u00f4-\u0111un nh\u1eadn d\u1ea1ng d\u1ea5u v\u00e2n tay.<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, m\u00e1y laser c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c khoan PCB, c\u1eaft ph\u00f4i wafer, v.v. v\u00e0 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng. \u0110\u1eb7c bi\u1ec7t v\u1edbi vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao nh\u01b0 sapphire v\u00e0 g\u1ed1m trong \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng trong t\u01b0\u01a1ng lai, thi\u1ebft b\u1ecb x\u1eed l\u00fd laser s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng h\u00f3a 3C. Ch\u00fang t\u00f4i tin r\u1eb1ng tia laser femto gi\u00e2y s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ed9ng r\u00e3i v\u00e0 s\u00e2u s\u1eafc trong l\u0129nh v\u1ef1c thi\u1ebft b\u1ecb x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng 3C trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

\u0110\u1ed9ng c\u01a1 m\u00e1y bay<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

For a long time, China’s engine manufacturing technology has always been a bottleneck restricting the development of aerospace industry. The quality of products is not up to standard from two aspects: one is material technology; the other is material processing technology. Femtosecond laser drilling solves this problem!<\/p>\n\n\n\n

Trong l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, tuabin kh\u00ed l\u00e0 b\u1ed9 ph\u1eadn \u0111\u1ea7u ti\u00ean trong ba b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a \u0111\u1ed9ng c\u01a1, hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed9ng c\u01a1. Tuy nhi\u00ean, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1nh tuabin c\u1ee7a \u0111\u1ed9ng c\u01a1 aero \u00edt nh\u1ea5t l\u00e0 1400 \u2103, v\u00ec v\u1eady c\u1ea7n s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u00e0m m\u00e1t ch\u00ednh x\u00e1c cho c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1nh qu\u1ea1t.<\/p>\n\n\n\n

Vi\u1ec7c l\u00e0m m\u00e1t b\u1eb1ng l\u01b0\u1ee1i dao th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c l\u1ed7 m\u00e0ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kh\u00e1c nhau. \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 kho\u1ea3ng 100 ~ 700 \u03bc m v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 trong kh\u00f4ng gian r\u1ea5t ph\u1ee9c t\u1ea1p. H\u1ea7u h\u1ebft ch\u00fang l\u00e0 c\u00e1c l\u1ed7 nghi\u00eang v\u1edbi g\u00f3c t\u1eeb 15 \u00b0 \u0111\u1ebfn 90 \u00b0. \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t, h\u00ecnh d\u1ea1ng c\u1ee7a c\u00e1c l\u1ed7 th\u01b0\u1eddng l\u00e0 h\u00ecnh qu\u1ea1t ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt, g\u00e2y kh\u00f3 kh\u0103n l\u1edbn cho vi\u1ec7c gia c\u00f4ng. Hi\u1ec7n nay, ph\u01b0\u01a1ng ph\u00e1p ch\u1ee7 \u0111\u1ea1o l\u00e0 EDM t\u1ed1c \u0111\u1ed9 cao, tuy nhi\u00ean vi\u1ec7c ch\u1ebf t\u1ea1o \u0111i\u1ec7n c\u1ef1c d\u1ee5ng c\u1ee5 c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n, c\u00e1c chi ti\u1ebft gia c\u00f4ng d\u1ec5 b\u1ecb m\u00e0i m\u00f2n, t\u1ed1c \u0111\u1ed9 gia c\u00f4ng ch\u1eadm, r\u1ea5t kh\u00f3 \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c phoi gia c\u00f4ng trong l\u1ed7, kh\u00f4ng d\u1ec5 t\u1ea3n nhi\u1ec7t n\u00ean kh\u00f4ng th\u00edch h\u1ee3p s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n

Ngo\u00e0i ra, b\u1ec1 m\u1eb7t c\u1ee7a l\u01b0\u1ee1i \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp m\u00e0ng ch\u1eafn nhi\u1ec7t, th\u01b0\u1eddng l\u00e0 v\u1eadt li\u1ec7u g\u1ed1m, kh\u00f4ng th\u1ec3 gia c\u00f4ng b\u1eb1ng EDM truy\u1ec1n th\u1ed1ng, \u0111\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 then ch\u1ed1t c\u1ee7a ng\u00e0nh ch\u1ebf t\u1ea1o \u0111\u1ed9ng c\u01a1 ti\u00ean ti\u1ebfn trong t\u01b0\u01a1ng lai. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a qu\u00e1 tr\u00ecnh phi kim lo\u1ea1i h\u00f3a v\u1eadt li\u1ec7u l\u01b0\u1ee1i \u0111\u1ed9ng c\u01a1, EDM ng\u00e0y c\u00e0ng kh\u00f4ng \u0111\u00e1ng tin c\u1eady. Gia c\u00f4ng b\u1eb1ng laser Femtosecond c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng r\u1ed9ng, \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ecbnh v\u1ecb cao, kh\u00f4ng bi\u1ebfn d\u1ea1ng c\u01a1 h\u1ecdc, kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp, v.v. N\u00f3 r\u1ea5t th\u00edch h\u1ee3p \u0111\u1ec3 gia c\u00f4ng c\u00e1c l\u1ed7 si\u00eau nh\u1ecf.<\/p>\n\n\n\n

ch\u0103m s\u00f3c y t\u1ebf<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Hi\u1ec7n t\u1ea1i, t\u1ea5t c\u1ea3 c\u00e1c tia laser femto gi\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb kh\u00fac x\u1ea1 nh\u00e3n khoa n\u00ean l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb ho\u00e0n thi\u1ec7n nh\u1ea5t trong \u1ee9ng d\u1ee5ng y t\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7 femto gi\u00e2y. Ngo\u00e0i ra c\u00f2n c\u00f3 x\u1eed l\u00fd \u1ed1ng m\u1edf r\u1ed9ng, n\u1ed9i soi v\u00e0 \u1ed1ng th\u00f4ng, v.v.<\/p>\n\n\n\n

Trong \u0111i\u1ec1u tr\u1ecb y t\u1ebf, so v\u1edbi laser xung d\u00e0i, n\u0103ng l\u01b0\u1ee3ng laser femto gi\u00e2y t\u1eadp trung cao, h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n nhi\u1ec7t trong qu\u00e1 tr\u00ecnh t\u00e1c \u0111\u1ed9ng n\u00ean s\u1ebd kh\u00f4ng l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng y t\u1ebf. ph\u1eabu thu\u1eadt b\u1eb1ng tia la-ze. M\u1eb7t kh\u00e1c, nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean v\u00e0i \u0111\u1ed9 s\u1ebd tr\u1edf th\u00e0nh s\u00f3ng \u00e1p su\u1ea5t ngay l\u1eadp t\u1ee9c v\u00e0 truy\u1ec1n \u0111\u1ebfn c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh \u0111\u1ec3 t\u1ea1o ra c\u01a1n \u0111au. M\u1eb7t kh\u00e1c, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i ch\u1ebft ng\u01b0\u1eddi cho c\u00e1c m\u00f4 sinh h\u1ecdc. Do \u0111\u00f3, tia laser femtosecond c\u00f3 th\u1ec3 \u0111i\u1ec1u tr\u1ecb an to\u00e0n kh\u00f4ng \u0111au v\u00e0 kh\u00f4ng x\u00e2m l\u1ea5n.<\/p>\n\n\n\n

\u0110\u1ed9t ph\u00e1 trong c\u00f4ng ngh\u1ec7 khoan laser femto gi\u00e2y<\/h2>\n\n\n\n

M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 khoan laser femto gi\u00e2y c\u00f3 s\u1ee9c m\u1ea1nh k\u1ef3 di\u1ec7u nh\u01b0 v\u1eady, nh\u01b0ng s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3 c\u0169ng r\u1ea5t kh\u00f3 kh\u0103n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong n\u1ed7 l\u1ef1c t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7, c\u00f3 r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u0169ng h\u1ea1n ch\u1ebf. Ngo\u00e0i ra, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t b\u1ed9 c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn vi x\u1ed1p ho\u00e0n ch\u1ec9nh c\u0169ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Tuy nhi\u00ean, th\u00f4ng qua n\u1ed7 l\u1ef1c c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Trung Qu\u1ed1c, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 nh\u1eadn ra t\u00ednh th\u1ef1c ti\u1ec5n v\u00e0 t\u00edch h\u1ee3p c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0 c\u00f2n ph\u00e1t minh ra c\u00f4ng ngh\u1ec7 gia c\u00f4ng tr\u1ee5c v\u00edt, c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh ri\u00eang v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng vi h\u1ea1t kh\u00e1c nhau, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 h\u00e0ng \u0111\u1ea7u v\u1ecb tr\u00ed tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

Ng\u00e0y nay, v\u1edbi vi\u1ec7c t\u1eebng b\u01b0\u1edbc n\u00e2ng c\u1ea5p c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc, th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kim phun v\u00e0 OEM c\u1ee7a h\u1ecd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng h\u01a1n. C\u00e1c l\u1ed7 tr\u00f2n truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng ng\u1eebng t\u00ecm ki\u1ebfm v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c h\u00ecnh d\u1ea1ng v\u00f2i phun \u0111\u1eb7c bi\u1ec7t v\u00e0 m\u1edbi l\u1ea1 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u. T\u00ednh linh ho\u1ea1t v\u00e0 l\u1ee3i th\u1ebf c\u1ee7a x\u1eed l\u00fd laser femto gi\u00e2y ng\u00e0y c\u00e0ng tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u00ecnh d\u1ea1ng l\u1ed7 phun \u0111\u1eb7c bi\u1ec7t v\u00e0 m\u1edbi l\u1ea1<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

The new generation of in cylinder direct injection technology is the mainstream technology in the field of automobile engine. It accurately injects fuel into the cylinder through the fuel injector and fully mixes with the intake air to give full function to the effect of each drop of fuel. As can be seen from the figure…<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/20026"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=20026"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/20026\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=20026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=20026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=20026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}