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#31
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Hi Martin,
You will make a seperate plate that mount on your spindle. This plate will have 2 dowel pins and a 8mm threaded hole. You then attach this plate (with the spindle on it) to the Z-Plate (the tools steel plate) The dowels match into the holes on this plate and the whole assembly is held together with only the 1 x 8mm bolt......sort of a quick release system. Hope it makes sense. |
#32
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Dowel pins are for mounting a plate for which you attach the spindle/router mount
Its sort of quick attach, two pins and a large screw in middle. |
#33
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#34
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great, thanks s lot for the quick response!
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#35
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First cutting test
Hi. I finally found some time during this summer to finish the machine to its cutting state. Finally its ready to make some chips! The cutting area is 1700 x 2900. The control system is LinuxCNC. I used Rick's gearbox to build 3:1 belt reductions. I had to slightly file it to fit it on the Z axis and it can be attached only to the first slot on top of the Y-car. Otherwise it works perfectly. I am using spindle Teknomotor 2.2KW with separated ventilator. However, there is still some work waiting for me, such as the e-stop wiring, controlling VFD via Linux, and so on. I will post more images of the machine and products done with it soon.
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#36
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Congratz! Now the fun begins!
Cheers Tim |
#37
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Looking good, now you need some decals to be in line for the next serial number.
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#38
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Sweet - back to back yellow MechMates
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#39
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And the red beltbox is neat too. Nice job.
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#40
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Well done...welcome to production land!
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#41
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Martin,
Nice yellow machine, you will not hit yourself when you walk around in the dark in you workshop. These are the first pictures I see from the gearbox. and they look nice in Red. 2 questions, 1) could the laser cutter made the hole for the bearing with the correct tolerance? 2) This one is not a question but a request, is it possible for you (sooner or later) to update the gearbox design for the original z axis at the gear box topic on the forum. then the story is complete. |
#42
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Look locally, they are the simplest of bearings. Almost the same size as a kids roller blade center. I purchased mine from vxb in california, but the part linked to a skate as a replacement part number.
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#43
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Thanks for the nice comments.
Rik: The gearbox plans worked great, the bearings fit in just perfectly. I used your design also for the z axis. However, it fits only when you put the z axis in the first slot of the Y car, as you can see on this picture. If I find later that I need to move it close to the center, I will redesign it and post the plans here, but I think that the air hose should fit in still fine. I still plan to work out more the LinuxCNC, pragram to it spindle control and so on, and than post the files here. Also, I want to make now a dust shoe. I like the one from Ross aka Surfcnc, but I did not see anywhere that plans to download, but I can probably trace his jpg image in autocad. |
#44
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I reckon you don't need the gear reduction on the Z-axis. Consider how often it move during cutting... Direct drive should have more than enough precision for plasma works.
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