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Has anyone ever had any of the Quadratrac hard parts machined up before?
For example, it is known that the TH400 10 spline output shaft and reduction unit Sun Gear wear on them selves. These parts would be relatively easy to have remade if the engineering dimensions were available.
Again, same goes for the the differential Side Gear and Cone Gear internal splines that are known to be wear points. These could be remade easily if the engineering dimensions were available.
The other item prone to wear in the unit that I don't see available from parts places are the preloading Bellville spings. This is a common spring type used in many industrial applications. These could probably be purchased off the shelf if all relevant dimensions, thickness, taper depths and spring rates were available. Even if they were not off the shelf items, these types of springs are not expensive to have made up.
My point is that it is obvious that at somepoint in the future the hard wear parts in our QT units will die and need replacing. Thinking down the road a bit, spares from other cases are going to disappear. I want my Quadratrac for what it is. I don't want to have to convert it to part time. If we can't buy replacement hard parts for our QT units, then we need to be able to have them made up.
For example, in my work I get alot of precision parts/components made up at a some highly reputable machining/engineering firms. There is no reason at all why the hard wear parts (discussed above) in QT units could not be made be these places I use in my work.
Does anybody know how to get hold of the relevant technical specs and drawings for the QT's hard parts.
Interms of remanufacture of parts, an example of the parts could always be used. It is better however to have a design drawing with all relevant dimensions and material types for a machinist to work from.
For example, it is known that the TH400 10 spline output shaft and reduction unit Sun Gear wear on them selves. These parts would be relatively easy to have remade if the engineering dimensions were available.
Again, same goes for the the differential Side Gear and Cone Gear internal splines that are known to be wear points. These could be remade easily if the engineering dimensions were available.
The other item prone to wear in the unit that I don't see available from parts places are the preloading Bellville spings. This is a common spring type used in many industrial applications. These could probably be purchased off the shelf if all relevant dimensions, thickness, taper depths and spring rates were available. Even if they were not off the shelf items, these types of springs are not expensive to have made up.
My point is that it is obvious that at somepoint in the future the hard wear parts in our QT units will die and need replacing. Thinking down the road a bit, spares from other cases are going to disappear. I want my Quadratrac for what it is. I don't want to have to convert it to part time. If we can't buy replacement hard parts for our QT units, then we need to be able to have them made up.
For example, in my work I get alot of precision parts/components made up at a some highly reputable machining/engineering firms. There is no reason at all why the hard wear parts (discussed above) in QT units could not be made be these places I use in my work.
Does anybody know how to get hold of the relevant technical specs and drawings for the QT's hard parts.
Interms of remanufacture of parts, an example of the parts could always be used. It is better however to have a design drawing with all relevant dimensions and material types for a machinist to work from.
I like it much better than the NP cases I have driven in that situation. 
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