Logging Engine Terminal

construction sign

Construction continues.

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Manually controlled turnout using a "over center spring".


Tim Warris from Fast Tracks shows how to make an over center spring for your turnout.

The turnout was milled from a solid piece of PC board with holding taps.


First it was drawn up on Draft Sight CAD program. A free very powerful 2D CAD program. The red line is for the cutter path.


The CAD drawing was then imported into the CAM program that is used to generate the tool path and the G-code.


The G-code has been generated and some manual programming is done. The G-code is then input to the computer that runs the mill.


A PC turnout board being milled.


Both left hand and right hand turnouts were made using the same cad drawing. By flipping the drawing you can mill out the other hand turnout.


A frog fixture was made to properly and accurately assemble the frog. A piece of Rock Maple was used.


To get the proper angle a fixture was made to hold the rail for grinding on the Sherline lathe.


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