{"product_id":"vcore-4-1-z1-preloaded-hiwin-x-rail","title":"Vcore 4.1 Z1 preloaded X rail ONLY","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: #ff2a00;\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: #80ff00;\"\u003eAll orders of that kit in destination to the USA are DDP, meaning no custom fee at arrival!!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis kit allows you to swap the stock Ratrig chinese Z0 X rail with a Hiwin Z1 preloaded rail for an standard CoreXY, Hybrid or IDEX VCore 4\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eContext:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLinear guide preload eliminates the clearance between the\u003cspan style=\"color: #060606;\"\u003e carriage and the rail\u003c\/span\u003e Manufacturers achieve this by using specific sized ball bearings.\u003c\/p\u003e\n\u003cp\u003eBy eliminating the clearance, it increases rigidity and reduces deflection when external loads are applied. In a 3D printer, rails preload is a key factor to increase precision and improve the input shaper specs since no preload are cheaper, but get some play, more sensible to vibration across our high accelearions values..\u003c\/p\u003e\n\u003cp\u003eThe ball bearings used to achieve preload are slightly larger than the distance between the raceways of the linear guide and the rail. Common preload amounts are between 2 and 8 percent.\u003c\/p\u003e\n\u003cp\u003eMost commonly used rail are Z0 (No specific preload)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eChoosing the right pack:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e1- Choose the machine size\u003c\/p\u003e\n\u003cp\u003e2- Choose the set, either CoreXY\/hybrid or IDEX\u003c\/p\u003e\n\u003cp\u003e3- Choose the brand\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWhat to do before installation: \u003cem\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/docs.ldomotors.com\/en\/guides\/rail_grease_guide\" target=\"_blank\"\u003ecleaning and lubrification comprehensive guide\u003c\/a\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #ff2a00; text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cem\u003eThis product is shipped from the supplier directly, within 10-15 days because the cuts are needed to be made at the correct lenght\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: #30da0f;\"\u003e\u003cem\u003eCustom size kits can be asked at contact@brs-engineering.com\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"BRS-ENGINEERING","offers":[{"title":"300 \/ CoreXY non IDEX (1x Carriage) \/ Black rail high quality","offer_id":52907581505883,"sku":null,"price":63.0,"currency_code":"USD","in_stock":true},{"title":"300 \/ CoreXY non IDEX (1x Carriage) \/ HIWIN","offer_id":52907587567963,"sku":null,"price":129.0,"currency_code":"USD","in_stock":true},{"title":"300 \/ CoreXY IDEX (2x Carriages) \/ Black rail high quality","offer_id":52907587600731,"sku":null,"price":91.0,"currency_code":"USD","in_stock":true},{"title":"300 \/ CoreXY IDEX (2x Carriages) \/ HIWIN","offer_id":52907587633499,"sku":null,"price":155.0,"currency_code":"USD","in_stock":true},{"title":"400 \/ CoreXY non IDEX (1x Carriage) \/ Black rail high quality","offer_id":52907581571419,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"400 \/ CoreXY non IDEX (1x Carriage) \/ HIWIN","offer_id":52907587666267,"sku":null,"price":166.0,"currency_code":"USD","in_stock":true},{"title":"400 \/ CoreXY IDEX (2x Carriages) \/ Black rail high quality","offer_id":52907587699035,"sku":null,"price":101.0,"currency_code":"USD","in_stock":true},{"title":"400 \/ CoreXY IDEX (2x Carriages) \/ HIWIN","offer_id":52907587731803,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"500 \/ CoreXY non IDEX (1x Carriage) \/ Black rail high quality","offer_id":52907581636955,"sku":null,"price":82.0,"currency_code":"USD","in_stock":true},{"title":"500 \/ CoreXY non IDEX (1x Carriage) \/ HIWIN","offer_id":52907587764571,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"500 \/ CoreXY IDEX (2x Carriages) \/ Black rail high quality","offer_id":52907587797339,"sku":null,"price":101.0,"currency_code":"USD","in_stock":true},{"title":"500 \/ CoreXY IDEX (2x Carriages) \/ HIWIN","offer_id":52907587830107,"sku":null,"price":224.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5991\/3977\/files\/ratrig_vc40_500_corexy_2025-Aug-23_11-56-58AM-000_CustomizedView5444179868_3b6f1192-6f4d-4678-93f2-6fe87177bed4.png?v=1777726143","url":"https:\/\/florent-broise.myshopify.com\/products\/vcore-4-1-z1-preloaded-hiwin-x-rail","provider":"BRS-ENGINEERING","version":"1.0","type":"link"}