HE3D EI3 Dual Z Drive, Z-Nut Holder
Description
The He3D Ei3 Printer Has A Dual Z Guiding But Only A Single Z Drive On One Side. Further More The Clutch Is Mounted On The Top Side. Mountiing It On The Top Side Creates A Lot Of Axial Force To The Clutch But The Clutch Is Not Designed To Cover This Kind Of Forces. Consequently It Deforms The Clutch Which Can Have A Negative Influence To The Print. From An Engineering Point Of View It Would Be Better To Have A Drive At Both Ends And A Bearing Which Covers The Axial Forces. In This Case The Lower Bearing Will Cover The Axial Forces. This Solution Links The Screws With A Timing Belt And Is Driven By One Single Stepper. It Cannot Get Out Of Sync - Normaly. My Design Requires To Machine The Ends Of The Spindles Accordingly So That The Gears Can Be Moounted To It. The Retrofit Set Consists Out Of 3 Different Printed Components + Metal Parts (Bearing, Lead Screw, Etc). - Z-Nut Holder - Top / Bottom Bearing Holder - Large - Top / Bottom Bearing Holder - Small You Will Find The Remaining 2 Things In My Uploads
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