Brake shoe: Difference between revisions

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File:RollModels Brake 5x7.gif|[[Roll Models Inc Railworks]] brake shoe casting.
File:RollModels Brake 5x7.gif|[[Roll Models Inc Railworks]] brake shoe casting.
File:BRAKE SHOE RING 2 MDM LOCOMOTIVE.jpg|Brake Shoe Ring, cast aluminum, by [[MDM Locomotive Works]].
File:BRAKE SHOE RING 2 MDM LOCOMOTIVE.jpg|Brake Shoe Ring, cast aluminum, by [[MDM Locomotive Works]].
</gallery>
== Plastic Brake Shoes ==
[[Daris A Nevil]] wrote:
Brake shoes are consumables, so I thought, why not print them in PLA (plastic)?  This may seem like an abomination to some, but in an age of plastic ties and plastic couplers, why not plastic brake shoes?  This assembly includes the hanger bracket as well as the shoe.  An alternative would be to epoxy a strip of real brake material on the foot of the shoe.
I installed a set of these on my [[Building a Kitsap Caboose|Santa Fe Caboose]] in the spring (See also [[Balanced Air Brakes from Scratch]]).  So far they are working well, and seem to have good grip on braking.
You can download the Fusion360 design from here:
* [http://ibls.org/files/2019/BrakeShoe_Caboose-v12.f3d Caboose Brake Shoe, Fusion360 Design File]
* [http://ibls.org/files/2019/SolidBrakeShoe_brimx1_Caboose-v12.gcode G-code for Brake Shoe (1 piece)]
* [http://ibls.org/files/2019/SolidBrakeShoe_brimx4_Caboose-v12.gcode G-code for Brake Shoe (4 pieces)]
Of course, plastic shoes would not work on a steam locomotive, as it gets too hot around the drivers.  But the shoes could also be printed in metal, at a higher cost, or machined from solid stock on a Vertical Milling Center (VMC).
<gallery widths=300px heights=300px perrow=2>
File:Brake Shoe Fusion360 DANevil 2019.PNG|3D design of brake shoe on Fusion 360.
File:Printing Brake Shoes 2019-04-17 16.59.23.jpg|Printing a brake shoe in black PLA on low-cost 3D printer.
File:2019-12-04 09.35.29.jpg|1.5 inch scale brake shoe printed in black PLA.
</gallery>
</gallery>


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* [https://www.chaski.org/homemachinist/viewtopic.php?f=8&t=105977 "Brake Shoe Material", <i>Chaski.org</i>]
* [https://www.chaski.org/homemachinist/viewtopic.php?f=8&t=105977 "Brake Shoe Material", <i>Chaski.org</i>]
* [https://en.wikipedia.org/wiki/Railway_brake "Railway brake", <i>Wikipedia</i>]
* [https://en.wikipedia.org/wiki/Railway_brake "Railway brake", <i>Wikipedia</i>]
* [https://www.chaski.org/homemachinist/viewtopic.php?f=30&t=108930&p=417887#p417887 "Wanted brake shoes", <i>Chaski.org</i>]
* [https://content.villagepress.com/LS/SO23/?loop-check=1701874376#p=26 "Forming Brass Over 3D-Printed Plastic Formers", Dave Garrett, <i>LSOR</i> Sep/Oct 2023, p.24]

Latest revision as of 10:06, 6 December 2023


Brake shoe ring

Plastic Brake Shoes

Daris A Nevil wrote:

Brake shoes are consumables, so I thought, why not print them in PLA (plastic)? This may seem like an abomination to some, but in an age of plastic ties and plastic couplers, why not plastic brake shoes? This assembly includes the hanger bracket as well as the shoe. An alternative would be to epoxy a strip of real brake material on the foot of the shoe.

I installed a set of these on my Santa Fe Caboose in the spring (See also Balanced Air Brakes from Scratch). So far they are working well, and seem to have good grip on braking.

You can download the Fusion360 design from here:

Of course, plastic shoes would not work on a steam locomotive, as it gets too hot around the drivers. But the shoes could also be printed in metal, at a higher cost, or machined from solid stock on a Vertical Milling Center (VMC).

See Also

External Links