Today the trunnion table for our 4 axis machining center came in. It is a custom design from Martin Manufacturing Services and is a beautiful piece of work. It will be used by us for accurately and quickly machining many parts, most importantly the crankcases, but also some suspension castings and the swingarm for post-heat treat machining.
Stan from MMS was receptive to making a design to my specifications and delivered exactly what I needed. He is also a big MotoGP fan hoping for a good showing from Spies, as we all are! It was nice to talk with a vendor that shares some common interests, especially another person who felt bummed out about the direction Moto2 took with the spec engine! Once he heard this was for a custom racing motorcycle project it really piqued his interest. Regardless of the application, he did all he can to provide me with the best product at an extremely reasonable price.
The surface of the table has features to locate a Kurt vice and a square pattern of Ballock locating/clamping pins that for use with a fixture plate that will allow me to index the parts 90 degrees with an accuracy of +/- .0005". He supplied 3 ready to use fixture plates made from Mic6 cast tooling plate.
Having everything in 3D CAD enables me to simulate machining operations and verify clearance and machine travels.
Many of the machining operations will be done using by custom boring bars from Microbore which should be here in a couple of weeks.
Programming of the parts is nearly done, once the boring bars are in all we will need are some castings and then the chips will start to fly.
Until the next update,
Chris
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