![]() ![]() That is not necessary, this is what I do. It will work perfectly well without a sensor as previously described, but if you have it there, you want it to work, I know the feelingĪs the toolpost is back mounted it will need to cut away from the spindle. Glad you are making progress and the toolchanger worked for you. And for others that wants to convert a Boxford 250. Now I need to document everything so I can debug it if when something goes wrong. Since it now can cut parts, I'm finally confident doing this conversion is going to be worth the many hours spent.Īnd a big thank you to all of you helping me through this forum, emails and IRC channel. It may also be a good time to optimize the accelerations. For a start I will probably make the thread at the largest diameter. As the toolpost is back mounted it will need to cut away from the spindle. One thing I need to figure out is the lead in move. I hope to wrap my head around thread cutting this weekend and make a test file for that. Using constant surface speed works all the way up. Either I need to change the collector resistors, or maybe better: put an amplifier near the sensors. At max RPM they are obviously at the edge of their bandwidth. The outputs from A and B are not optimal. After several attempts with different opto sensors it finally works. I made a new slotted wheel for the spindle with 90 slots. Using the sensor did not work as I hoped. ![]()
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