{"id":614,"date":"2025-07-22T01:28:55","date_gmt":"2025-07-22T01:28:55","guid":{"rendered":"https:\/\/www.purunspaceframe.com\/?post_type=product&#038;p=614"},"modified":"2025-10-13T07:09:42","modified_gmt":"2025-10-13T07:09:42","slug":"ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame","status":"publish","type":"product","link":"https:\/\/www.purunspaceframe.com\/cn\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/","title":{"rendered":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>The ground assembly of the space frame (also called welded ball grid or space grid structure) composed of ball rods and welded ball nodes is a highly technical and organized work. The core is to accurately connect a large number of rods (steel pipes) to the prefabricated welded hollow ball nodes to form stable space units (small assembly units), and then combine these units into larger hoisting units or overall structures, and finally hoist them into place.<\/p>\n","protected":false},"featured_media":1145,"template":"","meta":{"inline_featured_image":false},"products":[4,14],"class_list":["post-614","product","type-product","status-publish","has-post-thumbnail","hentry","products-steel-space-frame","products-steel-space-frame-installation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure<\/title>\n<meta name=\"description\" content=\"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.purunspaceframe.com\/cn\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure\" \/>\n<meta property=\"og:description\" content=\"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.purunspaceframe.com\/cn\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/\" \/>\n<meta property=\"og:site_name\" content=\"PURUN Steel Structure\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-13T07:09:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"375\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/\",\"url\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/\",\"name\":\"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure\",\"isPartOf\":{\"@id\":\"https:\/\/www.purunspaceframe.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg\",\"datePublished\":\"2025-07-22T01:28:55+00:00\",\"dateModified\":\"2025-10-13T07:09:42+00:00\",\"description\":\"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage\",\"url\":\"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg\",\"contentUrl\":\"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg\",\"width\":375,\"height\":500,\"caption\":\"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame 1\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.purunspaceframe.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/www.purunspaceframe.com\/product\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.purunspaceframe.com\/#website\",\"url\":\"https:\/\/www.purunspaceframe.com\/\",\"name\":\"PURUN Steel Structure\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.purunspaceframe.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure","description":"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.purunspaceframe.com\/cn\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/","og_locale":"en_US","og_type":"article","og_title":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure","og_description":"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.","og_url":"https:\/\/www.purunspaceframe.com\/cn\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/","og_site_name":"PURUN Steel Structure","article_modified_time":"2025-10-13T07:09:42+00:00","og_image":[{"width":375,"height":500,"url":"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/","url":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/","name":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame - PURUN Steel Structure","isPartOf":{"@id":"https:\/\/www.purunspaceframe.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage"},"image":{"@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage"},"thumbnailUrl":"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg","datePublished":"2025-07-22T01:28:55+00:00","dateModified":"2025-10-13T07:09:42+00:00","description":"Main assembly steps 1. Preliminary preparation \uff1aDeepen the design confirmation: check the drawings, bar material table, ball node coordinate diagram and small unit division diagram to ensure that the bar number, specification, length, ball node coordinate, angle and weld requirements are correct.Site planning: select a flat and solid site, divide the material stacking, cutting, small\/large assembly area, welding area and finished product area, set up drainage facilities, and build a wind and rainproof shed.Tire frame erection:Small assembly tire frame: use steel + adjustable support (jack\/screw) to accurately adjust the three-dimensional coordinates and angles of the ball node.Large assembly platform: concrete or heavy steel platform, pre-embedded positioning steel plate, accurate line marking and control axis and node position.Material acceptance:Steel pipe: check specifications, straightness, defects;Welding ball: core diameter, wall thickness, roundness and hole angle\/aperture (total station verification);Welding material: check model and drying record.Equipment and tools: total station (core measurement), crane, welding machine, cutting\/grooving equipment, positioning fixture, safety protection facilities.Pretreatment: precise cutting and groove opening of rods, ball node identification number\/reference line; rust removal of welding area to Sa2.5\/St3 level.2. Assembly of small units (core)Ball node positioning: use total station to adjust the ball node to the design coordinates and angles, and fix the fixture to the tire frame.Rod installation:\u2460 Insert one end of the rod into the positioning ball node hole;\u2461 Adjust the other end to align with the target ball node hole to ensure that the rod axis coincides with the hole axis;\u2462 Temporary fixation: spot welding or clamping with special fixtures;\u2463 Real-time measurement: review node spacing, angles and unit geometric dimensions (diagonal\/flatness).Welding and inspection:Certified welders weld according to process regulations (symmetrical welding, segmented back welding);100% visual inspection of welds + non-destructive testing (UT\/RT);Unqualified welds are repaired and re-inspected.3. Assembly of large units \uff1aPositioning of small units: Qualified small units are hoisted to the large platform, and the total station accurately locates the coordinates of the ball nodes.Connection between units:\u2460 Adjust the interface of adjacent units and align the rods and the ball holes;\u2461 Measure and control the cumulative error;\u2462 Spot weld\/fix the connecting rods temporarily;\u2463 Weld the connection seams and inspect them according to the standard.Forming the hoisting unit: Repeat the splicing to the target size.4. Acceptance and hoisting preparation\uff1a Overall acceptance: Review the coordinates of key nodes, total dimensions, deflection and weld reports.Marking: Mark the center of gravity, hoisting point, unit number and direction.Product protection: Protect the welding\/painted surface, remove the tire frame, and formulate a hoisting plan.","breadcrumb":{"@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#primaryimage","url":"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg","contentUrl":"https:\/\/www.purunspaceframe.com\/wp-content\/uploads\/2025\/07\/Ground-Assembly-of-Welded-Ball-Rods-and-Welded-Ball-Space-Frame-1.jpg","width":375,"height":500,"caption":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame 1"},{"@type":"BreadcrumbList","@id":"https:\/\/www.purunspaceframe.com\/product\/ground-assembly-of-welded-ball-rods-and-welded-ball-space-frame\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.purunspaceframe.com\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/www.purunspaceframe.com\/product\/"},{"@type":"ListItem","position":3,"name":"Ground Assembly of Welded Ball Rods and Welded Ball Space Frame"}]},{"@type":"WebSite","@id":"https:\/\/www.purunspaceframe.com\/#website","url":"https:\/\/www.purunspaceframe.com\/","name":"PURUN Steel Structure","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.purunspaceframe.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/product\/614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/media\/1145"}],"wp:attachment":[{"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/media?parent=614"}],"wp:term":[{"taxonomy":"products","embeddable":true,"href":"https:\/\/www.purunspaceframe.com\/cn\/wp-json\/wp\/v2\/products?post=614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}