UPGRADE Z-AXIS CNC 3018 to improve stability at low cost

👇EXPAND TO DISCOVER ALL PRODUCT LINKS!👇 After upgrading the motor I noticed that the movements on the z-axis were not fluid and the z-axis itself was moving too much. I saw that the bearings were too short and the screw was free to swing in the hole. With little money I solved the problem definitively! ⭐ Link Linear Motion Ball Bearing: https://www.banggood.com/custlink/vDm... ⭐ Link Copper Nut for T8 Lead Screw: https://www.banggood.com/custlink/K3m... ⭐ Link cnc 3018: Banggood: https://www.banggood.com/custlink/vKD... (PROMO! ) Gearbest: https://it.gearbest.com/cutting-tools... Amazon: https://amzn.to/2YHdh44 Aliexpress: http://s.click.aliexpress.com/e/csDAlSE4 ⭐Link Spindle Motor Machifit ER11 500W : Banggood: https://www.banggood.com/custlink/vKD... Amazon: https://amzn.to/2PahpW9 Aliexpress: http://s.click.aliexpress.com/e/baSEgHXw ⭐ Link Gear Bearing Grease For 3D Printer CNC Part : https://www.banggood.com/custlink/mmD... 📹VIDEO Upgrade Spindle Motor:    • UPGRADE CNC 3018 Spindle Motor with Machif...   📹 VIDEO CNC 3018 3 Axis Mini DIY CNC Router Unboxing, Assembly and Testing:    • CNC 3018 3 Axis Mini DIY CNC Router Unboxi...   Support the Channel!!: https://paypal.me/pools/c/8e6KvlwLql