10-21-2022, 11:45 PM
The problem with using the clip is the pen needs to turn for the engraving process. Tonite I saw a jeweler's attachment meant for engraving rings, bracelets, goblets and other things and it has a built in stepper motor. The parts that hold it are brass, but they're like studs so I should be able to put a piece of hose or something over them. Don't know if it'll work but if not I guess I'll be adding jewelry to my list of things to engrave.
Suitcase, your assumption is right in that the engraver doesn't put any load on the pen. In fact the pen attachments for engraving with a fiber laser (they cost a couple thousand $ and up) is a turntable with slots to just set the pen in. The only movement is when it goes onto the next pen. Sorta like your cradle idea. If I ever do get a fiber, I will make the turntable with a slot for the clip to make the main part more accessible to engrave.
Ed, those pens are under 20 cents each minus shipping. If I figure in 300-500 pens, shipping won't bring the price much higher.
Willie, the ER style collet isn't a bad idea and it wouldn't need the slot for the clip. There's enough to hang onto between the clip and the stylus (that thing that looks like an eraser).
I just took one apart to see about the short threaded shaft. I could actually make one from another pen. In the above picture it's the silver piece on the end that unscrews. In the process of putting it back together I managed to shoot that silver thing across the room somewhere. I'm sure I'll find it some day! In taking off one from another pen (one that was out of ink and fairly well used) I found that identical looking pens aren't that identical. The threads were different between the two.
Thanks everyone, you got my wheels turning.
Suitcase, your assumption is right in that the engraver doesn't put any load on the pen. In fact the pen attachments for engraving with a fiber laser (they cost a couple thousand $ and up) is a turntable with slots to just set the pen in. The only movement is when it goes onto the next pen. Sorta like your cradle idea. If I ever do get a fiber, I will make the turntable with a slot for the clip to make the main part more accessible to engrave.
Ed, those pens are under 20 cents each minus shipping. If I figure in 300-500 pens, shipping won't bring the price much higher.
Willie, the ER style collet isn't a bad idea and it wouldn't need the slot for the clip. There's enough to hang onto between the clip and the stylus (that thing that looks like an eraser).
I just took one apart to see about the short threaded shaft. I could actually make one from another pen. In the above picture it's the silver piece on the end that unscrews. In the process of putting it back together I managed to shoot that silver thing across the room somewhere. I'm sure I'll find it some day! In taking off one from another pen (one that was out of ink and fairly well used) I found that identical looking pens aren't that identical. The threads were different between the two.
Thanks everyone, you got my wheels turning.
Logan 200, Index 40H Mill, Boyer-Shultz 612 Surface Grinder, HF 4x6 Bandsaw, a shear with no name, ...
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