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[[Category:Logs]]
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[[LifeTrac 6 Modules]]
[[LifeTrac 6 Modules]]
=Wed Aug 14 2013=
===OpenModelica Welder===
[http://opensourceecology.org/w/images/c/ca/Welder-plasma-cutter.png OSE Welder Link]


=Tue Aug 13, 2013=
=Tue Aug 13, 2013=
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===Sketchup Component Models===
===Sketchup Component Models===
[https://docs.google.com/document/d/11IxEis2N4k4ILhWoNaNBNON9hLvNMyih02FDShbohs0/edit?usp=sharing Guide for converting STEP/IGES into DXF for importing into Sketchup]
2 spool Joystick [Part# RD522GCGA5A4B6]:  
2 spool Joystick [Part# RD522GCGA5A4B6]:  
* https://www.surpluscenter.com/item.asp?item=9-4782&catname=hydraulic
* Sketchup File :  [[Media:2_spool_Joystick.skp]]
* [[Media:2_spool_Joystick.skp]]
* Specs : https://www.surpluscenter.com/item.asp?item=9-4782&catname=hydraulic
* http://www.amazon.com/Prince-RD522GCGA5A4B6-Directional-Control-Monoblock/dp/B005P1ED3O
* IGES File : http://www.amazon.com/Prince-RD522GCGA5A4B6-Directional-Control-Monoblock/dp/B005P1ED3O
* [[Media:2_spool_Joystick.igs]]
 


2 Spool Motor Valve [RD522EEAA5A4B1]
2 Spool Motor Valve [RD522EEAA5A4B1]
*https://www.surpluscenter.com/item.asp?item=9-6760&catname=hydraulic
* Sketchup File : [[Media:2_spool_motor_valve.skp]]
*[[Media:2_spool_motor_valve.skp]]
* Specs : https://www.surpluscenter.com/item.asp?item=9-6760&catname=hydraulic
*http://www.amazonsupply.com/prince-rd522eeaa5a4b1-directional-monoblock-positions/dp/B005P1ECNU
* STEP File : http://www.amazonsupply.com/prince-rd522eeaa5a4b1-directional-monoblock-positions/dp/B005P1ECNU
*[[Media:2_spool_motor_valve.stp]]
 
 
2 Spool Cylinder Valve [RD522CCAA5A4B1]
* Sketchup File : [[Media:2_spool_control_valve.skp]]
* Specs : https://www.surpluscenter.com/item.asp?item=9-6702&catname=hydraulic
* STEP File : http://www.amazon.com/Prince-RD522CCAA5A4B1-Directional-Control-Positions/dp/B0009ESTS2
 
 
1 Spool Cylinder Valve [RD512CA5A4B1]
* Sketchup File : [[Media:1_spool_control_valve.skp]]
* Specs : https://www.surpluscenter.com/item.asp?item=9-6701&catname=hydraulic
* STEP File : http://www.amazon.com/Prince-RD512CA5A4B1-Directional-Control-Positions/dp/B0025PKDI2




1 Spool Motor Valve [RD-2575-M4-EDA1]
* Sketchup File : [[Media:1_spool_motoring_valve.skp]]
** dimensions are almost identical to 1 Spool Cylinder Valve, so that .skp file may be used instead.
* Specs : https://www.surpluscenter.com/item.asp?item=9-6767&catname=hydraulic
* Additional Link : http://www.amazon.com/Prince-RD-2575-M4-EDA1-Directional-Logsplitter-Positions/dp/B0007IKGI6




Latest revision as of 01:18, 24 January 2016

Permanent Links

LifeTrac 6 Production Requirements

LifeTrac 6 Product Development Board

Product Concept & Key Performance Parameters Template

Leandra's Log

DPV Orientation and Message Board

LifeTrac6.skp

LifeTrac 6 Modules

Wed Aug 14 2013

OpenModelica Welder

OSE Welder Link

Tue Aug 13, 2013

LifeTrac Cab Requirements

edit

Link to Modules Page

Sketchup Component Models

Guide for converting STEP/IGES into DXF for importing into Sketchup

2 spool Joystick [Part# RD522GCGA5A4B6]:


2 Spool Motor Valve [RD522EEAA5A4B1]


2 Spool Cylinder Valve [RD522CCAA5A4B1]


1 Spool Cylinder Valve [RD512CA5A4B1]


1 Spool Motor Valve [RD-2575-M4-EDA1]


Aug 12 2013

Potential software for multi-user collaboration.

  * http://www.opencobalt.org/home - Virtual Workspace
  * http://www.oopgames.com/freecad/ - Construction/Simulation software integrated into world

Aug 9 2012

Sketchy Physics Test

  • Preformed a test in sketchyphysics attempting to simulate a cylinder with a pivot at one end where the piston could slide. The test seemed to show that sketchyphysics could not be used that way.

Piston fallingOut.Png

Then Found the following video...

File:Wranglerdown.skp """How did they do this"""

Original Download: http://sketchup.google.com/3dwarehouse/details?mid=28486f6c46da2e47107ec7adee65003d

Aug 8 2013

  • Created a set of build instructions for the "Material Awareness exercise"
  • Built the "Material Awareness structure"
    • Observations:
      • Material is much bigger and heavier than you would think from the sketchup model
      • Assembly works best if nothing is tightened down until entire structure is assembled
  • Disassembled structure
  • Did inventory of 1" bolts and nuts.
  • Did inventory of hydraulic hoses

Aug 7 2013

Search "Brake valves to control hydraulic motors with over-running loads"

http://hydraulicspneumatics.com/other-technologies/book-2-chapter-12-fluid-motor-circuits

Information on Overcenter Valves:

http://www.designworldonline.com/overcenter-valves-are-key-to-hydraulic-control/#_

Interactive video on how hydraulic brake valves work

http://www.wisc-online.com/objects/ViewObject.aspx?ID=HYP3707

We need either a drum brake system or a hydraulic brake valve.

Our current Drum: http://www.surpluscenter.com/item.asp?catname=hydraulic&item=9-9003

Options for drum brake:

Fits our drum, but costs $560 : http://www.jegs.com/i/Currie/272/96226/10002/-1?parentProductId=756792

Does not fit, but demonstrates that there may less costly options: http://www.surpluscenter.com/item.asp?item=28-1324&catname=

Options for hydraulic brake valve:

Still need to determine price and circuit : http://www.hydrotech-bg.com/common/d_images/src/file/PDF/E4-ACCESSORIES.pdf - See Overcenter valves with brake control

Aug 6 2013

Brake Research Discusses several brake systems, their advantages and disadvantages, as well as how to trouble shoot them.
There are two commonly used types of brakes. Drum-Brakes, and Disk-Brakes.

This is the motor we have: http://www.surpluscenter.com/item.asp?item=9-10419&catname=hydraulic

This motor would have been better I think: http://www.surpluscenter.com/item.asp?item=9-7703&catname=hydraulic

Aug 2 2013

Crowd sourced CAD model Database - models can be downloaded in many formats

Aug 1 2013

Winner of FANG 1 challange

http://news.vanderbilt.edu/2013/07/amateur-inventors/

http://cps-vo.org/group/avm/meta

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