How to create precision systems from NOT precision parts

4,596 views

Евгений Дьяченко

Published on Dec 7, 2024
About :

I continue to share my developments in terms of 3D printer design. The video talks about a self-aligning print head. This design allows to radially reduce the requirements for the accuracy of components while the accuracy of the system will not suffer. The design also has a number of extremely positive aspects in addition to reducing the accuracy of parts, namely: reducing the dependence of accuracy on manufacturing and assembly errors, reducing the dependence of accuracy on thermal expansion, etc. In addition, the design allows the effective use of plain bearings, which in turn are characterized by higher rigidity compared to rolling bearings, as well as higher accuracy and lower price. The design has been in operation for more than 2.5 years and shows itself only on the good side, no negative aspects have been identified. https://t.me/Eu_D1995 - Telegram +996550169917 - WhatsApp https://vk.com/zyzz_resurrection - VK / eugene_mechatronics - Instagram 00:00 Introduction 00:27 General view of the print head 03:57 What it looks like in reality 04:17 Cylindrical kinematic pair 05:31 Self-aligning linear axis 13:10 Application of a plain bearing 16:01 General view

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