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The lathe I'm using at school is a CXA size, and what I believe is called a "wedge" type. There is a steel wedge in one of the dovetails that locks against the tool holder.
The toolpost of the lathe I just bought is AXA size, and is what I believe is called a "piston" type. In any case, there are two rectangular plates on the flat of two dovetails that press against the tool holder. It would seem that one could mount a holder on either of the two sides with the pressure plates, so I'm assuming that you might be able to mount a facing tool on one, then a turning tool on the other without reorienting the toolpost itself.
Am I on the right track here? Any significant differences between the wedge and piston types?
The toolpost of the lathe I just bought is AXA size, and is what I believe is called a "piston" type. In any case, there are two rectangular plates on the flat of two dovetails that press against the tool holder. It would seem that one could mount a holder on either of the two sides with the pressure plates, so I'm assuming that you might be able to mount a facing tool on one, then a turning tool on the other without reorienting the toolpost itself.
Am I on the right track here? Any significant differences between the wedge and piston types?