{"id":2795,"date":"2026-05-23T08:25:22","date_gmt":"2026-05-23T00:25:22","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=2795"},"modified":"2026-05-23T08:25:24","modified_gmt":"2026-05-23T00:25:24","slug":"what-is-the-standard-fixing-method-for-granite-platforms-and-metal-frames","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/ru\/2026\/05\/23\/what-is-the-standard-fixing-method-for-granite-platforms-and-metal-frames\/","title":{"rendered":"What is the standard fixing method for granite platforms and metal frames?"},"content":{"rendered":"<p>Standard practices are divided into two categories: precision adjustable bolt fixing (preferred) and pressure plate flexible cushion (secondary rigid deadlocking and direct steel-to-steel contact are strictly prohibited.<\/p>\n\n\n\n<p>I. Preferred: Bolt Dowel Pin Adjustable Support (Industrial Precision Standard)<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Platform Machining: Pre-leave countersunk through holes\/blind holes (M8\u2013M16) on the bottom surface, hole spacing 300\u2013600mm, mandatory at four corners; 45\u00b0 chamfer at hole openings to prevent edge chipping.<\/li>\n\n\n\n<li>Frame Matching: Weld\/install stainless steel threaded seats\/embedded nuts on the top surface of the metal frame, corresponding to the platform hole positions.<\/li>\n\n\n\n<li>Connection Components:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bolts: Grade 8.8 high-strength bolts nuts spring washers.<\/li>\n\n\n\n<li>Vibration Isolation and Buffering: Lay a 3\u20135mm thick nitrile rubber\/silicone pad between the platform and the frame (insulation vibration reduction, anti-electrochemical corrosion).<\/li>\n\n\n\n<li>Positioning: Equipped with 2\u20134 dowel pins (\u03c66\u2013\u03c612) to prevent horizontal displacement.<br>. Leveling: Install adjustable feet\/jacks on the frame (3-point main support 2-point auxiliary), calibrated with a spirit level to \u22640.0mm\/m.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Torque: Tighten evenly in steps, torque 25\u201345N\u00b7m (according to bolt specifications).<\/li>\n<\/ol>\n\n\n\n<p>II.: Pressure Plate Fixing (Lightweight\/Frequent Disassembly)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use L-shaped steel pressure plates bolts to symmetrically press the platform edges (distance from corners \u22650mm).<\/li>\n\n\n\n<li>Place rubber\/polyurethane gaskets between the pressure plate and the platform to avoid local stress and edge chipping.<\/li>\n\n\n\n<li>Press only the edges, pressing the working is prohibited; bolt preload must be consistent to prevent deformation.<\/li>\n<\/ul>\n\n\n\n<p>III. Strictly Prohibited Methods (Damages Precision\/Cracks Platform)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u274c glue\/Epoxy full bonding: Thermal expansion and contraction stress causes platform deformation and cracking.<\/li>\n\n\n\n<li>\u274c Steel-to-steel rigid welding\/bolt deadlocking: No adjustment, vibration is transmitted to the platform.<\/li>\n\n\n\n<li>\u274c Single-point strong fixing: Uneven force distribution, long-term deformation exceeds tolerance.<\/li>\n<\/ul>\n\n\n\n<p>IV. Standard (Ready for Implementation)<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Frame leveling \u2192 Lay flexible pad \u2192 Position platform \u2192 Insert bolts \u2192 Insert dowel pins.<\/li>\n\n\n\n<li>Initial nut tightening \u2192 Fine adjustment \u2192 Final tightening to standard torque \u2192 Re-check level and flatness.<\/li>\n\n\n\n<li>Add anti-vibration rings\/bumpers around the perimeter to prevent collision displacement.<\/li>\n<\/ol>\n\n\n\n<p>V. Scenario Selection Quick Guide<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMM\/Laser Equipment: Bolt Dowel Pin Adjustable Support Vibration Isolation Pad (Rigid Adjustable Vibration).<\/li>\n\n\n\n<li>Inspection Room\/Measuring Tool Platform: Adjustable Support Bolt Fixing (Stable and easy to maintain).<\/li>\n\n\n\n<li>Lightweight\/Temporary Workstation: Pressure Plate Flexible CushionConvenient and non-destructive).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c.jpg\" class=\"wp-image-2796\" srcset=\"https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c.jpg 400w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c-300x300.jpg 300w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c-150x150.jpg 150w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c-12x12.jpg 12w, https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/05\/t04c53355b6a216f86c-100x100.jpg 100w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Standard practices are divided into two categories: precision adjustable bolt fixing (preferred) and pressure plate flexible cushion (secondary rigid deadlocking and direct steel-to-steel contact are strictly prohibited. I. Preferred: Bolt Dowel Pin Adjustable Support (Industrial Precision Standard) II.: Pressure Plate Fixing (Lightweight\/Frequent Disassembly) III. Strictly Prohibited Methods (Damages Precision\/Cracks Platform) IV. Standard (Ready for Implementation)&#8230;<\/p>","protected":false},"author":1,"featured_media":2796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_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-2795","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\/05\/t04c53355b6a216f86c.jpg",400,400,false],"author_info":{"display_name":"jinxing6611@gmail.com","author_link":"https:\/\/jtlcnc.com\/ru\/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":206,"filter":"raw","cat_ID":35,"category_count":206,"category_description":"","cat_name":"NEWS","category_nicename":"news","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/comments?post=2795"}],"version-history":[{"count":1,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2795\/revisions"}],"predecessor-version":[{"id":2797,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/posts\/2795\/revisions\/2797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/media\/2796"}],"wp:attachment":[{"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/media?parent=2795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/categories?post=2795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jtlcnc.com\/ru\/wp-json\/wp\/v2\/tags?post=2795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}