Zonestar Z8XM2 X-Axis Belt Tensioner
Description
After Searching For A X-Axis Belt Tensioner, I Was Unable To Find One That Fit My Zonestar Z8Xm2. The Closest One I Found That Worked With A Bit Of Sanding Was The [Cr-10 X-Axis Realigned Tensioner](Https://Www.Thingiverse.Com/Thing:2417659). Which Is Where The Knob Came From, Thanks! Basically I Used That Model As Inspiration And Drew Up A New Belt Tensioner From Scratch Using Fusion 360. The Fusion 360 Model Is Also Included If You Wanna Change It Up. To Assemble The Tensioner, You Will Need A M5 Hex Head Bolt Around 25 Or 30Mm Long And A Standard M5 Nut For The Knob And Puller. You May Break Things If You Use A Nylon Lock Nut Here And It'S Simply Not Needed. I Also Put A Washer Between The Cap And Knob, But It'S Not Really Needed Either. I Used An Extra M5 Pan Head Bolt, Around 20Mm Or So From The Printer'S Kit And An M5 Nylon Lock Nut To Mount The Bearing In The Puller With The Nut Towards The Outside. The Head Of The Bolt Needs To Be 3Mm Or Less In Depth So It Doesn'T Hit The Printer As It Slides. The Bearing Is Simply The One That Came With The Printer. The Bent Tensioner Is Held In Place By The Tension Of The Belt, No Screws Or Anything Else Required. It'S Been Really Sturdy For Me And I'Ve Not Had Any Issues With It Moving Or Loosening. This Thing Has Made A Huge Difference With My Prints. My Circles Were Never Round Before I Installed This. I Also Used The [Adjustable Gt2 Belt Tensioner](Https://Www.Thingiverse.Com/Thing:1071695) For My Y-Axis. It Works Well Enough, But I'Ll Eventually Make A Tensioner With An Adjustable Knob Like This One I Designed For The X-Axis. Hopefully This Helps. If It Does, Feel Free To Leave A Tip! Enjoy!
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