{"id":2868,"date":"2026-06-04T11:21:10","date_gmt":"2026-06-04T03:21:10","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=2868"},"modified":"2026-06-04T11:31:42","modified_gmt":"2026-06-04T03:31:42","slug":"precision-specification-of-granite-air-flotation-platform","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/es\/2026\/06\/04\/precision-specification-of-granite-air-flotation-platform\/","title":{"rendered":"Especificaciones de precisi\u00f3n de la plataforma de flotaci\u00f3n por aire para granito"},"content":{"rendered":"<p class=\"wp-block-paragraph\"> Normas aplicables: GB\/T 20428, ISO 8512-2, DIN 876, ISO 230-1; Condiciones ambientales de ensayo: 20 \u2103 \u00b1 1 \u2103, HR 40% ~ 60%, grado de vibraci\u00f3n VC-E, entorno limpio y libre de polvo. Parte 1: Precisi\u00f3n geom\u00e9trica de la base de granito (superficie de referencia) Grado de precisi\u00f3n Tolerancia de planitud (\u03bcm por metro) Rugosidad superficial Ra Perpendicularidad de las superficies adyacentes Grado de aplicaci\u00f3n t\u00edpico 000 (ultraprecisi\u00f3n) \u22641,0 \u22640,05 \u03bcm \u22641,5 \u03bcm\/m Semiconductores, litograf\u00eda, platina de inspecci\u00f3n nanom\u00e9trica Grado 00 (alta precisi\u00f3n) \u22642,0 \u22640,10 \u03bcm \u22643,0 \u03bcm\/m Base de MMC, equipos de inspecci\u00f3n \u00f3ptica Grado 0 (precisi\u00f3n industrial) \u22644,0 \u22640,20 \u03bcm \u22646,0 \u03bcm\/m Mecanizado de precisi\u00f3n e inspecci\u00f3n por visi\u00f3n Grado 1 (industrial general) \u22648,0 \u22640,40 \u03bcm \u226412 \u03bcm\/m Bancos de formaci\u00f3n, accesorios de automatizaci\u00f3n comunes  F\u00f3rmula de c\u00e1lculo de la planitud: Tolerancia = Coeficiente \u00d7 \u221a(L \u00d7 W); Coeficiente: 000 = 0,003, 00 = 0,006, 0 = 0,012, 1 = 0,024 (Unidad: \u03bcm) Requisitos adicionales sobre el material de la base y el mecanizado 1.\u00a0Material: granito negro de Jinan; coeficiente de dilataci\u00f3n lineal \u22644,6\u00d710\u207b\u2076\/\u2103, absorci\u00f3n de agua &lt;0,131 TP3T, dureza Shore HS \u226570. 2. Rectitud de montaje de la gu\u00eda: grado 000 \u22640,8 \u03bcm\/m; Grado 00 \u2264 1,6 \u03bcm\/m. 3. Nivel general tras el ajuste de los pies niveladores: \u2264 2 \u03bcm\/1000 mm. 4.\u00a0Tolerancia de posici\u00f3n de los orificios roscados: 000 \u2264 \u00b10,02 mm; 00 \u2264 \u00b10,05 mm; paralelismo del avellanado \u22642 \u03bcm\/100 mm. Parte 2: Precisi\u00f3n de movimiento del cojinete de aire (pel\u00edcula de aire y sistema de accionamiento) 1. Precisi\u00f3n de posicionamiento (rango de recorrido completo) \u2013 Grado nano (base 000): \u00b10,1~\u00b10,3 \u03bcm; \u2013 Grado submicrom\u00e9trico (base 00): \u00b10,3~\u00b11,0 \u03bcm; \u2013 Grado microm\u00e9trico (base 0\/1): \u00b11,0~\u00b13,0 \u03bcm. 2. Precisi\u00f3n de posicionamiento repetible (valor estad\u00edstico 3\u03c3) \u2013 Ultraprecisi\u00f3n: \u2264\u00b10,05~\u00b10,1 \u03bcm- Alta precisi\u00f3n: \u2264\u00b10,2 \u03bcm- Industrial general: \u2264\u00b10,5~\u00b11,0 \u03bcm 3. Rectitud en un solo eje a lo largo de toda la carrera \u2013 Grado 000: \u22640,5 \u03bcm\/1000 mm \u2013 Grado 00: \u22641,2 \u03bcm\/1000 mm \u2013 Grado 0: \u22643,0 \u03bcm\/1000 mm 4. Par\u00e1metros del n\u00facleo de la pel\u00edcula de aire: Espesor est\u00e1ndar de la pel\u00edcula de aire: 10~15 \u03bcm; Rigidez de la pel\u00edcula de aire \u2265120 N\/\u03bcm; Ausencia de martilleo de aire y de fen\u00f3menos de arrastre; Fricci\u00f3n mec\u00e1nica por contacto nula. 5. Ortogonalidad X\/Y (plataforma multieje): Grado 000 \u22641 arcsec; Grado 00 \u2264 3 segundos de arco; Grado 0 \u2264 8 segundos de arco. Parte 3: Tabla de correspondencia de grados para aplicaciones 1. Semiconductores\/litograf\u00eda: Grado 000 (base) + posici\u00f3n \u00b10,2 \u03bcm, repetibilidad \u2264 0,1 \u03bcm. 2.\u00a0M\u00e1quinas de medici\u00f3n por coordenadas (CMM)\/Visi\u00f3n de alta gama: Grado 00 Base + Posici\u00f3n \u00b10,5 \u03bcm, repetibilidad \u22640,2 \u03bcm. 3. Inspecci\u00f3n de mecanizado de precisi\u00f3n: Grado 0 Base + Posici\u00f3n \u00b11,5 \u03bcm, repetibilidad \u22640,6 \u03bcm. 4.\u00a0Equipos de ense\u00f1anza y fijaci\u00f3n est\u00e1ndar: Grado 1 Base + Posici\u00f3n \u00b13,0 \u03bcm Parte 4: Condiciones de aceptaci\u00f3n e inspecci\u00f3n 1. Estabilizaci\u00f3n previa a la prueba: Colocar la plataforma en una sala a temperatura constante durante \u226572 h para liberar la tensi\u00f3n interna de la piedra antes de la detecci\u00f3n. 2.\u00a0Instrumentos de inspecci\u00f3n: interfer\u00f3metro l\u00e1ser, rugos\u00edmetro de luz blanca, nivel electr\u00f3nico de precisi\u00f3n, calibrador de perpendicularidad. 3. Normas de cumplimiento: GB\/T 20428, ISO 8512-2, DIN 876, ISO 230-1<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"410\" height=\"306\" src=\"https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/06\/20260602-084541.png\" alt=\"\" class=\"wp-image-2863\" srcset=\"https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/06\/20260602-084541.png 410w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/06\/20260602-084541-300x224.png 300w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/06\/20260602-084541-16x12.png 16w\" sizes=\"(max-width: 410px) 100vw, 410px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Normas aplicables: GB\/T 20428, ISO 8512-2, DIN 876, ISO 230-1; Condiciones ambientales de ensayo: 20 \u2103 \u00b1 1 \u2103, HR 40% ~ 60%, grado de vibraci\u00f3n VC-E, entorno limpio y libre de polvo. Parte 1: Precisi\u00f3n geom\u00e9trica de la base de granito (superficie de referencia) Grado de precisi\u00f3n Tolerancia de planitud (\u03bcm por metro) Rugosidad superficial Ra Perpendicularidad de las superficies adyacentes Grado de aplicaci\u00f3n t\u00edpico 000 (ultraprecisi\u00f3n) \u22641,0 \u22640,05 \u03bcm \u22641,5 \u03bcm\/m Semiconductores, litograf\u00eda, platina de inspecci\u00f3n nanom\u00e9trica Grado 00 (alta precisi\u00f3n) \u22642,0 \u22640,10 \u03bcm\u2026<\/p>","protected":false},"author":1,"featured_media":2871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[35],"tags":[],"class_list":["post-2868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"taxonomy_info":{"category":[{"value":35,"label":"NEWS"}]},"featured_image_src_large":["https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/06\/20260602-084635.png",800,400,false],"author_info":{"display_name":"jinxing6611@gmail.com","author_link":"https:\/\/jtlcnc.com\/es\/author\/jtlcnc\/"},"comment_info":0,"category_info":[{"term_id":35,"name":"NEWS","slug":"news","term_group":0,"term_taxonomy_id":35,"taxonomy":"category","description":"","parent":0,"count":362,"filter":"raw","cat_ID":35,"category_count":362,"category_description":"","cat_name":"NEWS","category_nicename":"news","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/posts\/2868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/comments?post=2868"}],"version-history":[{"count":1,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/posts\/2868\/revisions"}],"predecessor-version":[{"id":2870,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/posts\/2868\/revisions\/2870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/media\/2871"}],"wp:attachment":[{"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/media?parent=2868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/categories?post=2868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jtlcnc.com\/es\/wp-json\/wp\/v2\/tags?post=2868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}