{"product_id":"250mm-4080u-aluminum-profile-z-axis-screw-slide-ta","title":"250mm 4080U Aluminum Profile Z-axis Screw Slide Table Linear Actuator for 3D Printer and DIY CNC Router Parts X Y Z Axis","description":"\u003cdiv\u003e\n\u003cp\u003e250mm 4080U Z-axis Screw Slide Table Linear Actuator Kit for 3D Printer and DIY CNC Router Parts (Pack: 1 Kit)\u003cbr\u003e✔️ Pack: 1 Kit\u003c\/p\u003e \u003cp\u003eThe 250mm 4080U Z-axis Screw Slide Table Linear Actuator Kit is a precision linear motion module designed for 3D printers, DIY CNC routers, laser machines, and other compact automation setups. This all-metal screw slide delivers stable travel, high work efficiency, and straightforward mounting in DIY rigs and small machines. The kit includes a flexible coupling and isolation columns to accommodate frame tolerances and ensure smooth operation.\u003c\/p\u003e✅ Overall length: 299 mm\u003cbr\u003e✅ Length of aluminum section: 250 mm\u003cbr\u003e✅ Effective stroke: 172.85 mm\u003cbr\u003e✅ Flexible coupling size: D20 L25 8 mm to 6.35 mm\u003cbr\u003e✅ Lead: 8 mm (the lead screw moves 8 mm per turn)\u003cbr\u003e✅ T-type screw length: 290 mm\u003cbr\u003e✅ Weight: 1045 g\u003cbr\u003e✅ Material: high-quality metal; Color: Black\u003cbr\u003e✅ Size details: Overall length 299 mm; Aluminum section length 250 mm\u003cbr\u003e✅ Package contents: 1 pcs 250mm Screw Slide Table Linear Actuator Kit with Flexible coupling D20 L25-8 mm to 6.35 mm; 2 pcs 40 mm aluminum isolation columns; 2 pcs M5x55 mm screws; 3 pcs Allen wrenches\u003cbr\u003e✅ Please note: 0-3 mm tolerance due to manual measurement \u003cpre\u003eOverall length: 299 mm\nLength of aluminum section: 250 mm\nEffective stroke: 172.85 mm\nLead: 8 mm\nT-type screw length: 290 mm\nWeight: 1045 g\u003c\/pre\u003e \u003cp\u003e\u003c\/p\u003e \u003cp\u003e💡 What are the best practices for installing and tuning the 250mm 4080U Z-axis Screw Slide Table Actuator Kit to ensure precise, repeatable Z-axis motion in a compact DIY CNC router, including alignment, preload, backlash control, coupling selection, and load considerations?\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eA precise, well-aligned setup reduces binding and improves repeatability; align the Z-axis with the base rails and verify perpendicularity with a square or dial indicator.\u003c\/li\u003e\n\u003cli\u003eUse the included flexible coupling to absorb minor misalignment and transmit torque smoothly; ensure it is centered and securely fastened.\u003c\/li\u003e\n\u003cli\u003eSet appropriate nut preload to minimize backlash without overloading the screw; test travel with typical nozzle or tool weight and check repeatability.\u003c\/li\u003e\n\u003cli\u003eMaintain rigid frame construction and consider adding isolation columns or bracing to dampen vibrations during rapid Z moves; regular lubrication and inspection of the screw help sustain performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222455480639,"sku":"VXB08SLXTWVH","price":199.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/250mm-aluminum-screw-slide-table-actuator.jpg?v=1772827208","url":"https:\/\/bearingscanada.com\/products\/250mm-4080u-aluminum-profile-z-axis-screw-slide-ta","provider":"Bearings Canada","version":"1.0","type":"link"}