I purchased a shaper and with it came quite a few cutters. Some I believer were from moulders and are too big to run on a shaper, however quite a few are worth keeping. The question is that the bore size on them is 1 3/8" on some of them and 1 1/2" on others. Is it safe to use bushings to bring them down to 1 1/4" spindle size? I have a Powermatic 2700 5hp shaper with 1 1/4" spindle. I also have a Wadkin that is 9hp with an 1/14" spindle. Who would be a good source to help me with info. Thanks
I agree with Jeff to run any of the bigger heads on the 9hp Wadkin. My guess is that the 1-3/8" bore heads are actually 35mm bore. I also should have reducing bushings in stock for most of these heads.
Also, if you ever need any parts or support on the Wadkin shaper, please feel free to contact us.
Wadkin North America
Phone (336) 665-1907
After more review and measuring with a micrometer I discovered most of those that were not 1/4, were actually 1 1/2". A couple were 1" and some were 30 mm. I will bush some of the smaller cutters down and will sell the larger cutters if I don't feel comfortable with them on the shaper.
We frequently run 1-1/2" moulder heads on our 1-1/4" SCMI shaper, up to 4" long (bore length),
The key is to match the RPM to the cutter diameter (or, better yet - mfr rating). You don't want to put a 1-1/2" moulder head on a shaper running at 10,000 RPM!
Most small moulders run at 6000 RPM, so I would not exceed that unless you know for sure that all the components are up to the task.
Lastly, with a moulder head on there, your fences are going to be pretty far apart. Hopefully you have a power feeder, and even then I would recommend that you consider shaped inner fence ends so that you are supporting the work as close to the center as possible. Note that with some profiles (where you are not cutting the entire edge) you can actually support the piece all the way across the opening.
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