ZWO EAF Holder for Celestron Edge HD 9.25 " (8" , 11")

prusaprinters

<p>ZWO EAF Holder for Celestron Edge HD 9.25 or other simillar Celestron SC telescope.</p> <p>Quick unlock for manual focusing.</p> <h3>BOM</h3> <ul> <li>1x GT2 Timing pulley 20Teeth/Bore 5mm</li> <li>1x GT2-142mm Timing Belt size 6mm</li> <li>3x M4 worm</li> <li>3x M3 x 15mm Inbus screw</li> <li>2x M4 x 35mm Hex Head Screws</li> <li>2x M4 Assortmen</li> </ul> <p>Add for Version 2</p> <ul> <li>2x M3 x15mm Inbus screw</li> <li>2x M3 x20mm</li> <li>2x M3 nuts</li> </ul> <p>Add for Version 3</p> <ul> <li>1x M4x 20xmm Hex Head Screws</li> <li>1x M4 nuts</li> <li>1x M4 Assortmen</li> </ul> <h5>Optional for OnStep focuser</h5> <p>1x Nema17 Stepper motor 17HS15-1704S</p> <p>1x GT2 Timing pulley 16Teeth/Bore 5mm</p> <p>4x M3x10mm imbus screew</p> <p>4x Self Tapping Screw 2x6</p> <p>1x RJ45 - PCB on <a href="https://easyeda.com/hujer.roman/focuser_port_for_onstep-minipcb2">EasyEDA</a></p> <h3>NOTE</h3> <p>Use a M4 tap to create a thread for worm in pulley and M3 tap to create a thread.</p> <p>FreeCAD source on my <a href="https://github.com/romanhujer/Elektronic-Focuser-for-Sky-Watcher/blob/master/MyFocuserFreeCad/ForZWO_EAF.FCStd">github</a></p> <h3>UPDATE</h3> <p>2019-12-08 Version 2 add belt tensioner</p> <p>2019-12-11 Version 3 improved belt tension</p> <p>2020-09-03 Version 4 next imporved and fix for Optec Lepus reductor</p> <p>2020-11-28 Add holder for NEMA17 OnStep focuser</p> <p>2021-01-01 Add beld tensioner for V4b</p> <h3>Other remix</h3> <ul> <li><a href="https://www.thingiverse.com/thing:4191869">Some improvements by</a> by James Dedij</li> </ul> Category: DIY