{"id":2674,"date":"2021-06-17T07:15:22","date_gmt":"2021-06-17T07:15:22","guid":{"rendered":"https:\/\/pj4iaixa9m.wpdns.site\/?p=2674"},"modified":"2021-07-30T09:09:09","modified_gmt":"2021-07-30T09:09:09","slug":"ultimate-guide-to-deep-cylindrical-parts-drawing-by-punch","status":"publish","type":"post","link":"https:\/\/harslepress.com\/vi\/ultimate-guide-to-deep-cylindrical-parts-drawing-by-punch\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec3 v\u1ebd c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5 s\u00e2u b\u1eb1ng c\u00fa \u0111\u1ea5m"},"content":{"rendered":"<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Th\u1eddi gian \u0111\u1ecdc \u01b0\u1edbc t\u00ednh:  <\/span><span class=\"yoast-reading-time__reading-time\">13<\/span><span class=\"yoast-reading-time__time-unit\"> ph\u00fat<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.harsle.com\/J23-Inclinable-Punching-Machine-pd6320164.html\" target=\"_blank\" rel=\"noopener\">V\u1ebd s\u00e2u<\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng d\u1eadp s\u1eed d\u1ee5ng khu\u00f4n \u0111\u1ec3 \u0111\u1ee5c l\u1ed7 ph\u1eb3ng th\u00e0nh m\u1ed9t ph\u1ea7n r\u1ed7ng m\u1edf ho\u1eb7c \u0111\u1ec3 thay \u0111\u1ed5i th\u00eam h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a ph\u1ea7n r\u1ed7ng m\u1edf. Qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 \u00f4 t\u00f4, m\u00e1y k\u00e9o, d\u1ee5ng c\u1ee5, \u0111i\u1ec7n t\u1eed, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00e1c nhu c\u1ea7u thi\u1ebft y\u1ebfu h\u00e0ng ng\u00e0y. N\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng quy tr\u00ecnh c\u01a1 b\u1ea3n c\u1ee7a qu\u00e1 tr\u00ecnh d\u1eadp ngu\u1ed9i. N\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn quay m\u00e0 c\u00f2n c\u00f3 th\u1ec3 x\u1eed l\u00fd h\u00ecnh h\u1ed9p. C\u00e1c b\u1ed9 ph\u1eadn v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u00e0nh m\u1ecfng kh\u00e1c c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n tr\u00ean H\u00ecnh 1-1 v\u00e0 H\u00ecnh 1-2.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"500\" height=\"572\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-1-3.jpg\" alt=\"H\u00ecnh 1-1 C\u00e1c lo\u1ea1i b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c v\u1ebd s\u00e2u\" class=\"wd-lazy-fade wp-image-2681\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-1-3.jpg 500w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-1-3-150x172.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-1-3-262x300.jpg 262w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption>         H\u00ecnh 1-1 C\u00e1c lo\u1ea1i b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c v\u1ebd s\u00e2u<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-2-3.jpg\" alt=\"H\u00ecnh 1-2 \u0110\u1ed1i t\u01b0\u1ee3ng v\u1ebd\" class=\"wd-lazy-fade wp-image-2677\" width=\"500\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-2-3.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-2-3-300x205.jpg 300w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-2-3-18x12.jpg 18w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-2-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-2 \u0110\u1ed1i t\u01b0\u1ee3ng v\u1ebd<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <a href=\"https:\/\/www.harsle.com\/J23-Inclinable-Punching-Machine-pd6320164.html\" target=\"_blank\" rel=\"noopener\">qu\u00e1 tr\u00ecnh v\u1ebd<\/a> \u0111\u01b0\u1ee3c ph\u00e2n chia theo h\u00ecnh d\u1ea1ng c\u1ee7a tr\u1ed1ng: ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh t\u1eeb tr\u1ed1ng ph\u1eb3ng th\u00e0nh ph\u1ea7n r\u1ed7ng h\u1edf c\u00f3 \u0111\u00e1y g\u1ecdi l\u00e0 h\u00ecnh v\u1ebd ph\u1eb3ng (th\u1ee9 nh\u1ea5t); s\u1ef1 t\u1ea1o h\u00ecnh t\u1eeb ph\u1ea7n r\u1ed7ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u0111\u1ebfn ph\u1ea7n r\u1ed7ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed7i l\u1ea7n v\u1ebd s\u00e2u ti\u1ebfp theo. Qu\u00e1 tr\u00ecnh v\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n chia theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a chi\u1ec1u d\u00e0y th\u00e0nh: qu\u00e1 tr\u00ecnh v\u1ebd trong \u0111\u00f3 chi\u1ec1u d\u00e0y th\u00e0nh c\u1ee7a chi ti\u1ebft sau khi v\u1ebd kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u so v\u1edbi chi\u1ec1u d\u00e0y c\u1ee7a tr\u1ed1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ea3n v\u1ebd m\u1ecfng kh\u00f4ng \u0111\u1ed5i; chi\u1ec1u d\u00e0y th\u00e0nh c\u1ee7a chi ti\u1ebft sau khi v\u1ebd b\u1eb1ng v\u1edbi chi\u1ec1u d\u00e0y c\u1ee7a ph\u1ea7n tr\u1ed1ng. Qu\u00e1 tr\u00ecnh v\u1ebd m\u1ecfng h\u01a1n \u0111\u00e1ng k\u1ec3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ea3n v\u1ebd m\u1ecfng. Qu\u00e1 tr\u00ecnh k\u00e9o kh\u00f4ng m\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t. D\u1ef1 \u00e1n n\u00e0y t\u1eadp trung v\u00e0o ph\u00e2n t\u00edch quy tr\u00ecnh v\u00e0 thi\u1ebft k\u1ebf khu\u00f4n c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1 \u00e1n n\u00e0y l\u1ea5y thi\u1ebft k\u1ebf khu\u00f4n b\u1ea3n v\u1ebd c\u1ee7a ph\u1ea7n h\u00ecnh tr\u1ee5 nh\u01b0 trong H\u00ecnh 1-3 l\u00e0m v\u1eadt v\u1eadn chuy\u1ec3n, v\u00e0 \u0111\u00e0o t\u1ea1o to\u00e0n di\u1ec7n cho ng\u01b0\u1eddi \u0111\u1ecdc c\u00e1ch x\u00e1c \u0111\u1ecbnh quy tr\u00ecnh v\u1ebd v\u00e0 kh\u1ea3 n\u0103ng s\u01a1 b\u1ed9 \u0111\u1ec3 thi\u1ebft k\u1ebf khu\u00f4n b\u1ea3n v\u1ebd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean b\u1ed9 ph\u1eadn: b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00f4 s\u1ea3n xu\u1ea5t: l\u00f4 v\u1eeba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t li\u1ec7u: th\u00e9p 08F.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 d\u00e0y: 1,0 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3n v\u1ebd c\u00e1c b\u1ed9 ph\u1eadn: nh\u01b0 h\u00ecnh 1-3.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-3-1.jpg\" alt=\"H\u00ecnh 1-3 S\u01a1 \u0111\u1ed3 c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5\" class=\"wd-lazy-fade wp-image-2682\" width=\"400\" height=\"406\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-3-1.jpg 400w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-3-1-150x152.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-3-1-296x300.jpg 296w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption>H\u00ecnh 1-3 S\u01a1 \u0111\u1ed3 c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-drawing-deformation-process-and-characteristics\"><strong><a href=\"https:\/\/www.harsle.com\/J23-Inclinable-Punching-Machine-pd6320164.html\" target=\"_blank\" rel=\"noopener\">\u0110ang v\u1ebd<\/a> qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh 1-4 tr\u00ecnh b\u00e0y quy tr\u00ecnh v\u1ebd c\u00e1c chi ti\u1ebft h\u00ecnh tr\u1ee5. M\u1ed9t ph\u00f4i ph\u1eb3ng h\u00ecnh tr\u00f2n c\u00f3 \u0111\u01b0\u1eddng k\u00ednh D v\u00e0 chi\u1ec1u d\u00e0y t \u0111\u01b0\u1ee3c kho\u00e9t s\u00e2u b\u1eb1ng khu\u00f4n v\u1ebd \u0111\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t chi ti\u1ebft \u0111\u01a1n gi\u1ea3n h\u00ecnh tr\u00f2n c\u00f3 v\u00e1ch th\u1eb3ng h\u1edf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh trong l\u00e0 d v\u00e0 chi\u1ec1u cao l\u00e0 h, v\u00e0 h&gt; (Dd) \/ 2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khu\u00f4n tr\u00f2n ph\u1eb3ng d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a khu\u00f4n t\u1ea1o ra ph\u1ea7n r\u1ed7ng h\u1edf c\u00f3 d\u1ea1ng ch\u1ea3y d\u1ebbo n\u00e0o? S\u1ef1 chuy\u1ec3n v\u1eadt li\u1ec7u c\u1ee7a ph\u00f4i ph\u1eb3ng trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 1-5. N\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng khu\u00f4n, ch\u1ec9 c\u1ea7n lo\u1ea1i b\u1ecf ph\u1ea7n b\u00f3ng m\u1edd h\u00ecnh tam gi\u00e1c trong h\u00ecnh 1-5, sau \u0111\u00f3 u\u1ed1n ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a d\u1ea3i h\u1eb9p theo chu vi c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh d v\u00e0 h\u00e0n l\u1ea1i \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng k\u00ednh d v\u00e0 chi\u1ec1u cao h = ( Dd) \/ 2. M\u1ed9t chi ti\u1ebft h\u00ecnh tr\u1ee5 h\u1edf c\u00f3 \u0111\u01b0\u1eddng h\u00e0n \u1edf ngo\u1ea1i vi v\u00e0 mi\u1ec7ng l\u01b0\u1ee3n s\u00f3ng. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng \u201cv\u1eadt li\u1ec7u th\u1eeba\u201d ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf khi ph\u00f4i ph\u1eb3ng tr\u00f2n tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n h\u00ecnh tr\u1ee5. Tuy nhi\u00ean, ph\u00f4i ph\u1eb3ng tr\u00f2n kh\u00f4ng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u th\u1eeba trong qu\u00e1 tr\u00ecnh k\u00e9o s\u00e2u, v\u00e0 chi\u1ec1u cao c\u1ee7a ph\u00f4i thu \u0111\u01b0\u1ee3c khi v\u1ebd s\u00e2u l\u1edbn h\u01a1n h, v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh ph\u00f4i t\u0103ng l\u00ean. V\u00ec v\u1eady, v\u1eadt li\u1ec7u trong ph\u1ea7n b\u00f3ng m\u1edd h\u00ecnh tam gi\u00e1c ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 v\u1eadt li\u1ec7u th\u1eeba. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng, d\u00f2ng ch\u1ea3y v\u00e0 chuy\u1ec3n giao x\u1ea3y ra.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-41-5.jpg\" alt=\"Figure 1-4 Deep drawing of cylindrical parts Figure 1-5 Material transfer during drawing\" class=\"wd-lazy-fade wp-image-2683\" width=\"500\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-41-5.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-41-5-150x75.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-41-5-300x150.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-4, 1-5 B\u1ea3n v\u1ebd s\u00e2u c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5 v\u00e0 Chuy\u1ec3n v\u1eadt li\u1ec7u                    <\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n t\u00edch s\u1ef1 lu\u00e2n chuy\u1ec3n v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh <a href=\"https:\/\/harslepress.com\/vi\/product\/100t-punching-machine-steel-hinge-making-automatic-power-press-production-line-foil-container-making-machine\/\">v\u1ebd s\u00e2u <\/a>th\u00f4ng qua ki\u1ec3m tra l\u01b0\u1edbi c\u00f3 th\u1ec3 minh h\u1ecda th\u00eam d\u00f2ng ch\u1ea3y c\u1ee7a kim lo\u1ea1i trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u, nh\u01b0 trong H\u00ecnh 1-6.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-6-1.jpg\" alt=\"H\u00ecnh 1-6 Ki\u1ec3m tra l\u01b0\u1edbi c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd s\u00e2u\" class=\"wd-lazy-fade wp-image-2684\" width=\"500\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-6-1.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-6-1-150x59.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-6-1-300x118.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-6 Ki\u1ec3m tra l\u01b0\u1edbi c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd s\u00e2u<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi v\u1ebd s\u00e2u, h\u00e3y v\u1ebd m\u1ed9t l\u01b0\u1edbi c\u00e1c \u0111\u01b0\u1eddng tr\u00f2n \u0111\u1ed3ng t\u00e2m v\u1edbi kho\u1ea3ng c\u00e1ch b\u1eb1ng nhau v\u00e0 c\u00e1c \u0111\u01b0\u1eddng h\u01b0\u1edbng t\u00e2m chia \u0111\u1ec1u tr\u00ean m\u1eb7t tr\u1ed1ng ph\u1eb3ng h\u00ecnh tr\u00f2n. Sau <a href=\"https:\/\/harslepress.com\/vi\/basics-of-stamping-processing-and-concept-law-of-sheet-metal-plasticity\/\">v\u1ebd s\u00e2u<\/a>, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c l\u01b0\u1edbi \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau \u0111\u00e3 thay \u0111\u1ed5i \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. Sau \u0111\u00e2y s\u1ebd ph\u00e2n t\u00edch d\u00f2ng ch\u1ea3y c\u1ee7a kim lo\u1ea1i trong qu\u00e1 tr\u00ecnh v\u1ebd th\u00f4ng qua c\u00e1c thay \u0111\u1ed5i c\u1ee7a \u00f4 l\u01b0\u1edbi.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>L\u01b0\u1edbi d\u01b0\u1edbi c\u00f9ng c\u1ee7a ph\u1ea7n h\u00ecnh tr\u1ee5 v\u1ec1 c\u01a1 b\u1ea3n v\u1eabn gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u, cho th\u1ea5y kim lo\u1ea1i \u1edf d\u01b0\u1edbi c\u00f9ng c\u1ee7a c\u00fa \u0111\u1ea5m kh\u00f4ng c\u00f3 d\u00f2ng ch\u1ea3y r\u00f5 r\u00e0ng.<\/li><li>C\u00e1c \u0111\u01b0\u1eddng tr\u00f2n \u0111\u1ed3ng t\u00e2m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ti\u1ebfp tuy\u1ebfn kh\u00f4ng b\u1eb1ng nhau \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng tr\u00f2n song song c\u00f3 c\u00f9ng chu vi tr\u00ean th\u00e0nh h\u00ecnh tr\u1ee5. Kho\u1ea3ng c\u00e1ch t\u0103ng, v\u00e0 c\u00e0ng g\u1ea7n ph\u1ea7n tr\u00ean c\u1ee7a h\u00ecnh tr\u1ee5 c\u00e0ng t\u0103ng, a1&gt; a2&gt; a3&gt;\u2026&gt; a, ch\u1ee9ng t\u1ecf kim lo\u1ea1i h\u01b0\u1edbng t\u00e2m C\u0103ng th\u1eb3ng l\u00e0 bi\u1ebfn d\u1ea1ng k\u00e9o, v\u00e0 d\u00f2ng h\u01b0\u1edbng t\u00e2m c\u1ee7a kim lo\u1ea1i c\u00e0ng g\u1ea7n v\u00f2ng tr\u00f2n b\u00ean ngo\u00e0i c\u00e0ng l\u1edbn.<\/li><li>C\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ed3ng t\u00e2m chia \u0111\u1ec1u theo ph\u01b0\u01a1ng h\u01b0\u1edbng t\u00e2m \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng song song tr\u00ean th\u00e0nh h\u00ecnh tr\u1ee5, c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng c\u00e1ch \u0111\u1ec1u nhau b. N\u00f3 cho th\u1ea5y r\u1eb1ng bi\u1ebfn d\u1ea1ng ti\u1ebfp tuy\u1ebfn l\u00e0 bi\u1ebfn d\u1ea1ng n\u00e9n, v\u00e0 kim lo\u1ea1i c\u00e0ng g\u1ea7n v\u00f2ng tr\u00f2n b\u00ean ngo\u00e0i th\u00ec d\u00f2ng ti\u1ebfp tuy\u1ebfn c\u00e0ng l\u1edbn.<\/li><li>Nh\u01b0 trong H\u00ecnh 1-6 (b), n\u1ebfu b\u1ea1n l\u1ea5y m\u1ed9t \u0111\u01a1n v\u1ecb t\u1eeb l\u01b0\u1edbi, n\u00f3 s\u1ebd l\u00e0 m\u1ed9t l\u01b0\u1edbi h\u00ecnh qu\u1ea1t tr\u01b0\u1edbc khi v\u1ebd s\u00e2u v\u1edbi di\u1ec7n t\u00edch l\u00e0 A1. Sau khi v\u1ebd s\u00e2u, n\u00f3 s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t l\u01b0\u1edbi h\u00ecnh ch\u1eef nh\u1eadt v\u1edbi di\u1ec7n t\u00edch l\u00e0 A2, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t khe h\u00ecnh n\u00eam k\u00e9o l\u01b0\u1edbi cung theo c\u00f9ng m\u1ed9t c\u00e1ch. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u1ee9ng su\u1ea5t n\u00e9n ti\u1ebfp tuy\u1ebfn v\u00e0 \u1ee9ng su\u1ea5t k\u00e9o h\u01b0\u1edbng t\u00e2m, kim lo\u1ea1i t\u1ea1o ra bi\u1ebfn d\u1ea1ng gi\u00e3n d\u00e0i h\u01b0\u1edbng t\u00e2m v\u00e0 bi\u1ebfn d\u1ea1ng n\u00e9n ti\u1ebfp tuy\u1ebfn t\u1ea1o th\u00e0nh l\u01b0\u1edbi h\u00ecnh ch\u1eef nh\u1eadt.<\/li><li>Theo ph\u00e9p \u0111o, chi\u1ec1u d\u00e0y \u0111\u00e1y nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat (th\u01b0\u1eddng b\u1ecb b\u1ecf qua), v\u00e0 chi\u1ec1u d\u00e0y c\u1ee7a th\u00e0nh h\u00ecnh tr\u1ee5 t\u0103ng d\u1ea7n t\u1eeb \u0111\u00e1y \u0111\u1ebfn mi\u1ec7ng, nh\u01b0 trong H\u00ecnh 1-7, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y mi\u1ec7ng c\u1ee7a h\u00ecnh tr\u1ee5 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng l\u1edbn v\u00e0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kim lo\u1ea1i truy\u1ec1n v\u00e0o. Nh\u01b0ng v\u00ec \u0111\u1ed9 d\u00e0y trung b\u00ecnh c\u1ee7a ph\u1ea7n \u0111\u01b0\u1ee3c v\u1ebd g\u1ea7n b\u1eb1ng \u0111\u1ed9 d\u00e0y c\u1ee7a ph\u1ea7n tr\u1ed1ng, n\u00ean vi\u1ec7c b\u1ecf qua s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y nh\u1ecf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh g\u1ea7n \u0111\u00fang v\u00ec di\u1ec7n t\u00edch c\u1ee7a \u0111\u01a1n v\u1ecb nh\u1ecf kh\u00f4ng thay \u0111\u1ed5i tr\u01b0\u1edbc v\u00e0 sau khi v\u1ebd, ngh\u0129a l\u00e0 A<sub>1<\/sub>= A<sub>2<\/sub>, ch\u1ec9 ra r\u1eb1ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a ph\u00f4i v\u00e0 ph\u00f4i tr\u01b0\u1edbc v\u00e0 sau khi v\u1ebd b\u1eb1ng nhau.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, do m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng v\u00e0 \u0111\u1ed9 c\u1ee9ng l\u00e0m vi\u1ec7c c\u1ee7a ph\u00f4i kh\u00e1c nhau, \u0111\u1ed9 c\u1ee9ng c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn c\u1ee7a th\u00e0nh tr\u1ee5 d\u1ecdc theo chi\u1ec1u cao c\u0169ng kh\u00e1c nhau, v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a mi\u1ec7ng chi ti\u1ebft cao h\u01a1n, nh\u01b0 trong H\u00ecnh 1. 7.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-7.jpg\" alt=\"H\u00ecnh 1-7 S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd s\u00e2u\" class=\"wd-lazy-fade wp-image-2686\" width=\"500\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-7.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-7-300x139.jpg 300w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-7-18x8.jpg 18w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-7-150x69.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-7 S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd s\u00e2u<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, c\u00f3 th\u1ec3 t\u00f3m t\u1eaft \u0111\u1eb7c \u0111i\u1ec3m bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u nh\u01b0 sau.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>V\u1eadt li\u1ec7u d\u01b0\u1edbi c\u00fa \u0111\u1ea5m v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 tr\u1edf th\u00e0nh \u0111\u00e1y c\u1ee7a h\u00ecnh tr\u1ee5 sau khi r\u00fat s\u00e2u. Bi\u1ebfn d\u1ea1ng t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf v\u00f9ng m\u1eb7t b\u00edch ph\u1eb3ng tr\u00ean b\u1ec1 m\u1eb7t khu\u00f4n (ph\u1ea7n v\u00f2ng Dd), l\u00e0 v\u00f9ng bi\u1ebfn d\u1ea1ng ch\u00ednh c\u1ee7a bi\u1ebfn d\u1ea1ng h\u00ecnh v\u1ebd.<\/li><li>S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u00f9ng bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. N\u00f3 b\u1ecb n\u00e9n v\u00e0 r\u00fat ng\u1eafn theo h\u01b0\u1edbng ti\u1ebfp tuy\u1ebfn v\u00e0 k\u00e9o d\u00e0i theo h\u01b0\u1edbng xuy\u00ean t\u00e2m. C\u00e0ng l\u00ean mi\u1ec7ng, n\u00f3 c\u00e0ng n\u00e9n v\u00e0 c\u0103ng ra. \u0110\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m \u1edf mi\u1ec7ng \u0111\u01b0\u1ee3c t\u0103ng l\u00ean.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u0103ng th\u1eb3ng v\u00e0 c\u0103ng th\u1eb3ng trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a t\u1ea5m trong qu\u00e1 tr\u00ecnh <a href=\"https:\/\/www.harsle.com\/J23-Inclinable-Punching-Machine-pd6320164.html\" target=\"_blank\" rel=\"noopener\">qu\u00e1 tr\u00ecnh v\u1ebd<\/a>, n\u00f3 s\u1ebd gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 quy tr\u00ecnh trong c\u00f4ng vi\u1ec7c v\u1ebd v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. Trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u, v\u1eadt li\u1ec7u c\u00f3 c\u00e1c tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng kh\u00e1c nhau \u1edf c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau. C\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5 l\u00e0 b\u1ed9 ph\u1eadn r\u00fat s\u00e2u \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111i\u1ec3n h\u00ecnh nh\u1ea5t. H\u00ecnh 1-8 cho th\u1ea5y \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn h\u00ecnh tr\u1ee5 trong m\u1ed9t giai \u0111o\u1ea1n nh\u1ea5t \u0111\u1ecbnh c\u1ee7a b\u1ea3n v\u1ebd \u0111\u1ea7u ti\u00ean v\u1edbi gi\u00e1 \u0111\u1ee1 tr\u1ed1ng. \u00dd ngh\u0129a c\u1ee7a t\u1eebng bi\u1ec3u t\u01b0\u1ee3ng trong h\u00ecnh nh\u01b0 sau.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-8-1.jpg\" alt=\"H\u00ecnh 1-8 Tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u\" class=\"wd-lazy-fade wp-image-2688\" width=\"500\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-8-1.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-8-1-150x98.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-8-1-300x195.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-8 Tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u03c3<sub>1<\/sub>, \u03b5<sub>1<\/sub>- \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng h\u01b0\u1edbng t\u00e2m;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03c3<sub>2<\/sub>, \u03b5<sub>2<\/sub>- \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng theo chi\u1ec1u d\u00e0y;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03c3<sub>3<\/sub>, \u03b5<sub>3<\/sub>\u2014C\u0103ng th\u1eb3ng v\u00e0 bi\u1ebfn d\u1ea1ng theo h\u01b0\u1edbng ti\u1ebfp tuy\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo c\u00e1c tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng kh\u00e1c nhau, tr\u1ed1ng \u0111\u01b0\u1ee3c v\u1ebd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh 5 v\u00f9ng: V\u00f9ng I l\u00e0 ph\u1ea7n m\u1eb7t b\u00edch, l\u00e0 v\u00f9ng bi\u1ebfn d\u1ea1ng ch\u00ednh c\u1ee7a <a href=\"https:\/\/www.harsle.com\/J23-Inclinable-Punching-Machine-pd6320164.html\" target=\"_blank\" rel=\"noopener\">qu\u00e1 tr\u00ecnh v\u1ebd<\/a>; V\u00f9ng II l\u00e0 g\u00f3c c\u1ee7a khu\u00f4n, l\u00e0 v\u00f9ng chuy\u1ec3n ti\u1ebfp; \u2162 \u0110\u1edbi l\u00e0 ph\u1ea7n th\u00e0nh c\u1ee7a h\u00ecnh tr\u1ee5, c\u00f3 vai tr\u00f2 truy\u1ec1n l\u1ef1c; V\u00f9ng IV l\u00e0 ph\u1ea7n tr\u00f2n c\u1ee7a c\u00fa \u0111\u1ea5m, c\u0169ng l\u00e0 v\u00f9ng chuy\u1ec3n ti\u1ebfp; V\u00f9ng V l\u00e0 \u0111\u00e1y c\u1ee7a h\u00ecnh tr\u1ee5, c\u00f3 th\u1ec3 coi l\u00e0 v\u00f9ng kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i v\u1ecb tr\u00ed h\u01a1i tr\u00ean g\u00f3c c\u1ee7a th\u00e0nh tr\u1ee5 v\u00e0 \u0111\u00e1y, \u1ee9ng su\u1ea5t k\u00e9o \u03c3<sub>1<\/sub>&nbsp;t\u1ea1o ra t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn v\u00ec di\u1ec7n t\u00edch m\u1eb7t c\u1eaft \u0111\u1ec3 truy\u1ec1n l\u1ef1c v\u1ebd nh\u1ecf. \u0110\u1ed3ng th\u1eddi, n\u01a1i n\u00e0y \u00edt v\u1eadt li\u1ec7u c\u1ea7n chuy\u1ec3n h\u01a1n n\u00ean m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u r\u1ea5t nh\u1ecf, \u0111\u1ed9 c\u1ee9ng khi l\u00e0m vi\u1ec7c th\u1ea5p h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng th\u1ea5p h\u01a1n. So v\u1edbi c\u00e1c g\u00f3c tr\u00f2n c\u1ee7a c\u00fa \u0111\u1ea5m, kh\u00f4ng c\u00f3 l\u1ef1c c\u1ea3n ma s\u00e1t n\u00e0o l\u1edbn h\u01a1n nh\u01b0 c\u00e1c g\u00f3c tr\u00f2n c\u1ee7a c\u00fa \u0111\u1ea5m. Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u, s\u1ef1 m\u1ecfng \u0111i nghi\u00eam tr\u1ecdng nh\u1ea5t l\u00e0 \u1edf c\u00e1c g\u00f3c c\u1ee7a th\u00e0nh tr\u1ee5 v\u00e0 \u0111\u00e1y, tr\u1edf th\u00e0nh ph\u1ea7n y\u1ebfu nh\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 chi ti\u1ebft. Ph\u1ea7n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cph\u1ea7n nguy hi\u1ec3m\u201d. N\u1ebfu c\u0103ng th\u1eb3ng \u03c3<sub>1<\/sub>&nbsp;tr\u00ean ph\u1ea7n nguy hi\u1ec3m v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ecbu l\u1ef1c c\u1ee7a v\u1eadt li\u1ec7u, ph\u1ea7n b\u1ecb k\u00e9o s\u1ebd b\u1ecb n\u1ee9t \u1edf \u0111\u00f3. Ngay c\u1ea3 khi kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t, v\u1eadt li\u1ec7u tr\u1edf n\u00ean qu\u00e1 m\u1ecfng t\u1ea1i ch\u1ed7 do \u1ee9ng su\u1ea5t qu\u00e1 m\u1ee9c, do \u0111\u00f3 ph\u00f4i b\u1ecb v\u1ee5n do dung sai qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb ph\u00e2n t\u00edch tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u l\u00e0 c\u00e1c v\u1ebft nh\u0103n \u1edf khu v\u1ef1c m\u1eb7t b\u00edch ph\u1eb3ng v\u00e0 c\u00e1c v\u1ebft n\u1ee9t \u1edf \u201cph\u1ea7n nguy hi\u1ec3m\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>N\u1ebfp nh\u0103n<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u, do \u1ee9ng su\u1ea5t n\u00e9n ti\u1ebfp tuy\u1ebfn \u03c3<sub>3<\/sub>&nbsp;c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m m\u1eb7t b\u00edch, khi \u1ee9ng su\u1ea5t n\u00e9n n\u00e0y \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh, h\u01b0\u1edbng ti\u1ebfp tuy\u1ebfn c\u1ee7a v\u1eadt li\u1ec7u t\u1ea5m s\u1ebd b\u1ecb cong do m\u1ea5t \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra s\u00f3ng theo h\u01b0\u1edbng ti\u1ebfp tuy\u1ebfn xung quanh m\u1eb7t b\u00edch. S\u1ef1 u\u1ed1n cong li\u00ean t\u1ee5c c\u1ee7a h\u00ecnh d\u1ea1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 u\u1ed1n n\u1ebfp, nh\u01b0 trong H\u00ecnh 1-9 (a). Khi chi ti\u1ebft \u0111\u01b0\u1ee3c r\u00fat ra b\u1ecb nh\u0103n, v\u1eadt li\u1ec7u trong v\u00f9ng bi\u1ebfn d\u1ea1ng m\u1eb7t b\u00edch c\u1ee7a b\u1eadt l\u1eeda v\u1eabn c\u00f3 th\u1ec3 b\u1ecb k\u00e9o v\u00e0o khu\u00f4n, nh\u01b0ng n\u00f3 s\u1ebd g\u00e2y ra g\u1ee3n s\u00f3ng \u1edf mi\u1ec7ng ph\u00f4i, nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 1-9 (b), m\u00e0 s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ph\u00f4i. Khi nh\u0103n nghi\u00eam tr\u1ecdng, chi ti\u1ebft \u0111\u00e3 k\u00e9o s\u1ebd b\u1ecb h\u1ecfng v\u00ec v\u1eadt li\u1ec7u m\u1eb7t b\u00edch sau khi l\u00e0m nh\u0103n kh\u00f4ng th\u1ec3 l\u1ecdt qua khe gi\u1eefa khu\u00f4n l\u1ed3i v\u00e0 khu\u00f4n l\u00f5m, nh\u01b0 trong H\u00ecnh 1-9 (c). N\u1ebfp nh\u0103n l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y l\u00e3ng ph\u00ed khi v\u1ebd s\u00e2u.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"600\" height=\"157\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-9-1.jpg\" alt=\"H\u00ecnh 1-9 L\u1ed7i nh\u0103n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd\" class=\"wd-lazy-fade wp-image-2690\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-9-1.jpg 600w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-9-1-150x39.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-9-1-300x79.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>H\u00ecnh 1-9 L\u1ed7i nh\u0103n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u1ebd<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c n\u1ebfp nh\u0103n trong qu\u00e1 tr\u00ecnh v\u1ebd c\u00f3 li\u00ean quan \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a \u03c3<sub>3<\/sub>, v\u00e0 c\u1ea3 \u0111\u1ed9 d\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t \/ D tr\u1ed1ng, v\u00e0 \u03c3<sub>3<\/sub>&nbsp;c\u00f3 li\u00ean quan \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a h\u00ecnh v\u1ebd. Khi m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a m\u1ed7i h\u00ecnh v\u1ebd l\u1edbn v\u00e0 t \/ D chi\u1ec1u d\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a m\u1eabu tr\u1ed1ng nh\u1ecf th\u00ec n\u00f3 s\u1ebd b\u1ecb nh\u0103n. Bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 ch\u1ed1ng nh\u0103n (v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong s\u1ea3n xu\u1ea5t) l\u00e0 s\u1eed d\u1ee5ng v\u00f2ng g\u1ea5p n\u1ebfp. Gi\u1ea3m m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng b\u1ea3n v\u1ebd v\u00e0 t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a tr\u1ed1ng c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m xu h\u01b0\u1edbng nh\u0103n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>NS<\/strong><strong>n\u00e2ng l\u00ean<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u0103n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a t\u1ea5m v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u00ec m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n sau c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 \u00e9p v\u00f2ng m\u00e9p. Khi m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u0103ng l\u00ean th\u00ec l\u1ef1c bi\u1ebfn d\u1ea1ng c\u0169ng t\u0103ng theo. Khi l\u1ef1c bi\u1ebfn d\u1ea1ng l\u1edbn h\u01a1n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a ph\u1ea7n nguy hi\u1ec3m, ph\u1ea7n \u0111\u01b0\u1ee3c v\u1ebd s\u1ebd b\u1ecb g\u00e3y, nh\u01b0 h\u00ecnh 1-10. Do \u0111\u00f3, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a m\u1eb7t c\u1eaft nguy hi\u1ec3m l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh vi\u1ec7c v\u1ebd s\u00e2u c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh thu\u1eadn l\u1ee3i hay kh\u00f4ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"400\" height=\"187\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-10-1.jpg\" alt=\"H\u00ecnh 1-10 V\u1ebft g\u00e3y c\u1ee7a b\u1ea3n v\u1ebd s\u00e2u\" class=\"wd-lazy-fade wp-image-2691\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-10-1.jpg 400w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-10-1-150x70.jpg 150w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/1-10-1-300x140.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption>H\u00ecnh 1-10 V\u1ebft g\u00e3y c\u1ee7a b\u1ea3n v\u1ebd s\u00e2u<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n nguy hi\u1ec3m c\u00f3 b\u1ecb ph\u00e1 v\u1ee1 trong <a href=\"https:\/\/harslepress.com\/vi\/product\/100t-punching-machine-steel-hinge-making-automatic-power-press-production-line-foil-container-making-machine\/\">v\u1ebd s\u00e2u<\/a> ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u, m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng, b\u00e1n k\u00ednh phi l\u00ea c\u1ee7a khu\u00f4n v\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n. Trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, c\u00e1c v\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 \u0111\u1ed9 c\u1ee9ng l\u1edbn v\u00e0 t\u1ef7 l\u1ec7 n\u0103ng su\u1ea5t nh\u1ecf th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00e9o s\u00e2u v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 t\u0103ng th\u00edch h\u1ee3p b\u00e1n k\u00ednh phi l\u00ea l\u1ed3i v\u00e0 l\u00f5m c\u1ee7a b\u1ea3n v\u1ebd, t\u0103ng s\u1ed1 l\u1ea7n k\u00e9o v\u00e0 c\u1ea3i thi\u1ec7n b\u00f4i tr\u01a1n \u0111\u1ec3 tr\u00e1nh s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c v\u1ebft n\u1ee9t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>L\u00e0m c\u1ee9ng<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh v\u1ebd l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh trong \u0111\u00f3 tr\u1ed1ng tr\u1ea3i qua bi\u1ebfn d\u1ea1ng d\u1ebbo, ph\u1ea3i \u0111i k\u00e8m v\u1edbi qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u1ee9ng. Do \u0111\u00f3, so v\u1edbi ph\u00f4i tr\u1eafng, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a ph\u00f4i thu \u0111\u01b0\u1ee3c sau khi v\u1ebd \u0111\u00e3 t\u0103ng l\u00ean, v\u00e0 \u0111\u1ed9 d\u1ebbo v\u00e0 \u0111\u1ed9 dai gi\u1ea3m xu\u1ed1ng. Qua ki\u1ec3m tra l\u01b0\u1edbi c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng bi\u1ebfn d\u1ea1ng c\u1ee7a tr\u1ed1ng \u1edf t\u1eebng v\u00f9ng trong qu\u00e1 tr\u00ecnh v\u1ebd l\u00e0 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, t\u1eeb v\u00f9ng bi\u1ebfn d\u1ea1ng nh\u1ecf \u1edf \u0111\u00e1y \u0111\u1ebfn v\u00f9ng bi\u1ebfn d\u1ea1ng ch\u00ednh c\u1ee7a m\u1eb7t b\u00edch c\u1ee7a mi\u1ec7ng tr\u1ee5, do \u0111\u00f3 t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u bi\u1ebfn d\u1ea1ng sau khi v\u1ebd c\u0169ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. S\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a chi ti\u1ebft \u0111\u01b0\u1ee3c k\u00e9o t\u0103ng d\u1ea7n t\u1eeb \u0111\u00e1y \u0111\u1ebfn mi\u1ec7ng, nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 1-7, v\u00e0 m\u1ed9t \u0111o\u1ea1n nguy hi\u1ec3m c\u00f3 \u0111\u1ed9 c\u1ee9ng gia c\u00f4ng kh\u00f4ng \u0111\u1ee7 nhi\u1ec1u nh\u1ea5t xu\u1ea5t hi\u1ec7n g\u1ea7n g\u00f3c tr\u00f2n c\u1ee7a \u0111\u1ed9t. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n ng\u01b0\u1ee3c l\u1ea1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh. Theo quan \u0111i\u1ec3m qu\u00e1 tr\u00ecnh, \u0111\u1ec3 tr\u00e1nh n\u1ee9t trong qu\u00e1 tr\u00ecnh \u0111\u1ed9t l\u1ed7, \u0111\u1ed9 c\u1ee9ng c\u1ee7a \u0111\u00e1y c\u1ee7a ph\u1ea7n b\u1ea3n v\u1ebd ph\u1ea3i l\u1edbn v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a mi\u1ec7ng ph\u1ea3i nh\u1ecf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do s\u1ef1 gia c\u00f4ng c\u1ee9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u00e9o s\u00e2u, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 cao h\u01a1n so v\u1edbi v\u1eadt li\u1ec7u tr\u1ed1ng, \u0111i\u1ec1u n\u00e0y c\u00f3 l\u1ee3i \u0111\u1ec3 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u00e9o s\u00e2u. Tuy nhi\u00ean, khi thi\u1ebft k\u1ebf b\u1ea3n v\u1ebd nhi\u1ec1u l\u1ea7n, \u0111\u1ed9 d\u1ebbo c\u1ee7a ph\u1ea7n \u0111\u00e3 v\u1ebd b\u1ecb gi\u1ea3m v\u00e0 ph\u00f4i b\u00e1n th\u00e0nh ph\u1ea9m kh\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng khi \u0111\u01b0\u1ee3c v\u1ebd th\u00eam. Do \u0111\u00f3, m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a t\u1eebng th\u1eddi \u0111i\u1ec3m c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, v\u00e0 li\u1ec7u ph\u1ea7n b\u00e1n th\u00e0nh ph\u1ea9m c\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c \u1ee7 \u0111\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 d\u1ebbo c\u1ee7a n\u00f3 hay kh\u00f4ng. \u0110\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 kim lo\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng h\u00f3a c\u1ee9ng m\u1ea1nh (inox, th\u00e9p ch\u1ecbu nhi\u1ec7t,\u2026) th\u00ec b\u1ea1n c\u00e0ng ph\u1ea3i ch\u00fa \u00fd. V\u00ed d\u1ee5, th\u00e9p kh\u00f4ng g\u1ec9 1Cr18Ni9Ti r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi qu\u00e1 tr\u00ecnh gia c\u00f4ng ngu\u1ed9i c\u1ee9ng trong bi\u1ebfn d\u1ea1ng d\u1ebbo. M\u1ed9t m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nh\u1ecf s\u1ebd g\u00e2y ra \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3. S\u1ef1 gia t\u0103ng l\u00e0 \u0111i\u1ec1u hi\u1ec3n nhi\u00ean, v\u00ec v\u1eady th\u01b0\u1eddng kh\u00f4ng th\u1ec3 ch\u1ecdn lo\u1ea1i tr\u1ed1ng n\u00e0y cho nhi\u1ec1u b\u1ea3n v\u1ebd s\u00e2u.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Lugs<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Khi ph\u1ea7n h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c r\u00fat ra, s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u th\u01b0\u1eddng xuy\u00ean \u1edf \u0111\u1ea7u mi\u1ec7ng c\u1ee7a ph\u1ea7n \u0111\u01b0\u1ee3c r\u00fat ra \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1ea5u. L\u00fd do cho c\u00e1c v\u1ea5u l\u00e0 t\u00ednh d\u1ecb h\u01b0\u1edbng c\u1ee7a t\u1ea5m. \u1ede h\u01b0\u1edbng m\u00e0 h\u1ec7 s\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ed9 d\u00e0y t\u1ea5m th\u1ea5p, t\u1ea5m tr\u1edf n\u00ean d\u00e0y h\u01a1n v\u00e0 chi\u1ec1u cao th\u00e0nh th\u00f9ng th\u1ea5p h\u01a1n; theo h\u01b0\u1edbng m\u00e0 h\u1ec7 s\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng chi\u1ec1u d\u00e0y t\u1ea5m cao, chi\u1ec1u d\u00e0y t\u1ea5m thay \u0111\u1ed5i \u00edt, v\u00e0 chi\u1ec1u cao th\u00e0nh th\u00f9ng cao h\u01a1n. Trong qu\u00e1 tr\u00ecnh v\u1ebd s\u00e2u, h\u1ec7 s\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng m\u1eb7t ph\u1eb3ng t\u1ea5m \u0394r c\u00e0ng l\u1edbn th\u00ec hi\u1ec7n t\u01b0\u1ee3ng l\u1ed3i l\u00f5m c\u00e0ng nghi\u00eam tr\u1ecdng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Deep drawing refers to a stamping processing method that uses a die to punch a flat blank into an open<\/p>","protected":false},"author":4,"featured_media":2700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[701,702,700],"class_list":["post-2674","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-punching-machine","tag-punch-cylinder-parts","tag-punch-drawing","tag-punch-parts"],"jetpack_featured_media_url":"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/06\/\u4e3b\u56fe6.7-1.png","_links":{"self":[{"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/posts\/2674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/comments?post=2674"}],"version-history":[{"count":0,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/posts\/2674\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/media\/2700"}],"wp:attachment":[{"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/media?parent=2674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/categories?post=2674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/harslepress.com\/vi\/wp-json\/wp\/v2\/tags?post=2674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}