Live Swivels: Difference between revisions
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=Backhoe vs Excavator= | =Backhoe vs Excavator= | ||
*Backhoe spins 200 degrees, excavator a full 360 degrees. [https://www.gregorypoole.com/guide-to-the-different-types-and-sizes-of-excavators/#:~:text=Often%20confused%20with%20standard%20excavators,the%20back%20of%20the%20machine.&text=The%20excavator%20arm%20on%20the,backhoes%20only%20rotate%20200%20degrees.] | *Backhoe spins 200 degrees, excavator a full 360 degrees. [https://www.gregorypoole.com/guide-to-the-different-types-and-sizes-of-excavators/#:~:text=Often%20confused%20with%20standard%20excavators,the%20back%20of%20the%20machine.&text=The%20excavator%20arm%20on%20the,backhoes%20only%20rotate%20200%20degrees.] | ||
=Shopping= | |||
*$1500 for 1/2: rotary union [https://store.dsti.com/gp-440-4-passage-rotary-union/]. But what about the female socket part? | |||
Revision as of 04:52, 14 December 2020
Rotary Unions in 360 Excavator
- A specialized rotary union is used, not just a simple live swivel - [1]
- Explanation from hydraulics and pneumatics - [2]
- In real life: Infinite spin is attained. From Reddit thread - [3] -
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/oUVE2PIV5_k" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </html>
Rotating 360 Without 360 Rotary Union?
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/ha2otJnU4pQ" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>
Backhoe vs Excavator
- Backhoe spins 200 degrees, excavator a full 360 degrees. [4]
Shopping
- $1500 for 1/2: rotary union [5]. But what about the female socket part?