Tevo Tornado | Build plate bushing / stabilizer
Description
Have You Ever Wondered About Some Mysterious Random Banding *Only* In The Y-Direction? Read On - This May Be For You! I Removed The Stock Print Surface To Use My Own (Which Is Highly Recommended). After Several Hours Of Printing I Started Wondering About Some Strange Issues Occuring Only Later In Long Prints In The Y Direction. **Short Version:** The Tornado Has Serious Issues, When You Remove The Original Surface! The Screwholes Are Far Too Big And The Whole Buildplate Just Slips Randomly After Some Fast Movements. To Address This Issue I Created A Very Simple Bushing To Keep The Screws In Place. Print It Four Times And You'Re Good To Go. **Tldr:** The Original Surface Keeps It In Place, Because The Plastic Cutouts More Or Less Fit The Screw Diameter. But Even So, I Think It May Slip At Some Point. I Took Some Measurements - Just Take A Look At The Photos And You'Ll Find It Selfexplanatory ;) *Edit: Caused By Friction, I Think Even Movement In The X-Direction Might Not Be Impossible!* I Did A Testrun (See Gcode Photo) Moving The Y Axis Back And Forth 100Mm For 6000 Times At Max Speed (I Dialed In 10000, But It'S Limited By Firmware To Something Less) And Took Measurements Before And After - With A Devastating Difference Of .82Mm. [Testrun Here](Https://Youtu.Be/2Pzfaemec2G) Note: The Video Is Accelerated 3X. You May Find The Testcase Unrealistic, But I'M Sure After A Lot Of Micromovements (Like Infill!) It Slips *Many* Times In *Random* Directions! Source Is Included... But It'S Truly Simple ;)
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