See all machines<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e01\u0e32\u0e23\u0e40\u0e01\u0e34\u0e14\u0e23\u0e39\u0e1e\u0e23\u0e38\u0e19\u0e02\u0e19\u0e32\u0e14\u0e40\u0e25\u0e47\u0e01\u0e1a\u0e19\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e01\u0e32\u0e23\u0e40\u0e01\u0e34\u0e14\u0e23\u0e39\u0e1e\u0e23\u0e38\u0e19\u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1c\u0e25\u0e36\u0e01\u0e41\u0e1a\u0e1a\u0e40\u0e14\u0e19\u0e44\u0e14\u0e23\u0e15\u0e4c (Dendrites) \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e1c\u0e34\u0e27\u0e07\u0e32\u0e19\u0e44\u0e21\u0e48\u0e40\u0e23\u0e35\u0e22\u0e1a\u0e2a\u0e21\u0e48\u0e33\u0e40\u0e2a\u0e21\u0e2d \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e33\u0e40\u0e1a\u0e49\u0e32 (Investment) \u0e2a\u0e48\u0e07\u0e1c\u0e25\u0e43\u0e2b\u0e49\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19\u0e2b\u0e22\u0e32\u0e1a \u0e2a\u0e34\u0e48\u0e07\u0e41\u0e1b\u0e25\u0e01\u0e1b\u0e25\u0e2d\u0e21\u0e43\u0e19\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e42\u0e25\u0e2b\u0e30 \u2013 \u0e40\u0e01\u0e34\u0e14\u0e08\u0e38\u0e14\u0e41\u0e02\u0e47\u0e07\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e08\u0e38\u0e14\u0e43\u0e19\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 (Hard Spots) \u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e23\u0e32\u0e30 (Brittle Fracture) \u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e17\u0e35\u0e48\u0e40\u0e01\u0e34\u0e14\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e41\u0e22\u0e01\u0e15\u0e31\u0e27\u0e02\u0e2d\u0e07\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e42\u0e25\u0e2b\u0e30 BEST MACHINERY \u2013 BEST SERVICE Sales Hotline: +66 8 6332 9347 LINE ID Sales: @pttsales 24\/7 Service Hotline: +66 8 9227 9154 LINE ID Service Support: @pttsupport See all machines<\/p>\n","protected":false},"author":1,"featured_media":7950,"comment_status":"open","ping_status":"open","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":"default","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":[27],"tags":[],"class_list":["post-7825","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-casting-knowledge-articles"],"yoast_head":"\n
\u0e01\u0e32\u0e23\u0e08\u0e33\u0e41\u0e19\u0e01\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e02\u0e2d\u0e07\u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e2b\u0e25\u0e48\u0e2d - Protech Transfer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/protech-transfer.com\/th\/2026\/03\/20\/survey-of-defect-types\/\" \/>\n<meta property=\"og:locale\" content=\"th_TH\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0e01\u0e32\u0e23\u0e08\u0e33\u0e41\u0e19\u0e01\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e02\u0e2d\u0e07\u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e2b\u0e25\u0e48\u0e2d - Protech Transfer\" \/>\n<meta property=\"og:description\" content=\" \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e01\u0e32\u0e23\u0e40\u0e01\u0e34\u0e14\u0e23\u0e39\u0e1e\u0e23\u0e38\u0e19\u0e02\u0e19\u0e32\u0e14\u0e40\u0e25\u0e47\u0e01\u0e1a\u0e19\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e01\u0e32\u0e23\u0e40\u0e01\u0e34\u0e14\u0e23\u0e39\u0e1e\u0e23\u0e38\u0e19\u0e41\u0e25\u0e30\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1c\u0e25\u0e36\u0e01\u0e41\u0e1a\u0e1a\u0e40\u0e14\u0e19\u0e44\u0e14\u0e23\u0e15\u0e4c (Dendrites) \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e17\u0e35\u0e48\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e1c\u0e34\u0e27\u0e07\u0e32\u0e19\u0e44\u0e21\u0e48\u0e40\u0e23\u0e35\u0e22\u0e1a\u0e2a\u0e21\u0e48\u0e33\u0e40\u0e2a\u0e21\u0e2d \u0e02\u0e49\u0e2d\u0e1a\u0e01\u0e1e\u0e23\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e33\u0e40\u0e1a\u0e49\u0e32 (Investment) \u0e2a\u0e48\u0e07\u0e1c\u0e25\u0e43\u0e2b\u0e49\u0e1c\u0e34\u0e27\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19\u0e2b\u0e22\u0e32\u0e1a \u0e2a\u0e34\u0e48\u0e07\u0e41\u0e1b\u0e25\u0e01\u0e1b\u0e25\u0e2d\u0e21\u0e43\u0e19\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e42\u0e25\u0e2b\u0e30 \u2013 \u0e40\u0e01\u0e34\u0e14\u0e08\u0e38\u0e14\u0e41\u0e02\u0e47\u0e07\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e08\u0e38\u0e14\u0e43\u0e19\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 (Hard Spots) \u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e41\u0e1a\u0e1a\u0e40\u0e1b\u0e23\u0e32\u0e30 (Brittle Fracture) \u0e01\u0e32\u0e23\u0e41\u0e15\u0e01\u0e2b\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e0a\u0e34\u0e49\u0e19\u0e07\u0e32\u0e19 \u2013 \u0e17\u0e35\u0e48\u0e40\u0e01\u0e34\u0e14\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e41\u0e22\u0e01\u0e15\u0e31\u0e27\u0e02\u0e2d\u0e07\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e42\u0e25\u0e2b\u0e30 BEST MACHINERY \u2013 BEST SERVICE Sales Hotline: +66 8 6332 9347 LINE ID Sales: @pttsales 24\/7 Service Hotline: +66 8 9227 9154 LINE ID Service Support: @pttsupport See all machines\" \/>\n<meta property=\"og:url\" content=\"https:\/\/protech-transfer.com\/th\/2026\/03\/20\/survey-of-defect-types\/\" \/>\n<meta property=\"og:site_name\" content=\"Protech Transfer\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-20T17:39:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-24T03:48:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/protech-transfer.com\/wp-content\/uploads\/2026\/03\/Survey_of_Defect_Types.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"daniele_pais\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"daniele_pais\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u0e19\u0e32\u0e17\u0e35\" \/>\n<script type=\"application\/ld+json\" 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