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cutting jig for pen blanks

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17K views 16 replies 10 participants last post by  Mapzman  
#1 ·
Made a cutting jig for cutting pen blanks to the correct length using the pen tube to set the length.

I made the sled to have the sliding stop attached to the sled, I also added a lock screw and made the stop adjustable so I could make the blank's longer if I wanted to. (it can adjust from .032 longer to .312 longer then the tube)

I also wanted a clamp that was a low profile, so I used a cheap drill press table clamp i got at HF, and modified it a little.

I also put a stop on the slot bar so the sled would stop and not cut too deep into the sled

See the pictures below.

Comments and suggestions always welcome.

Thanks
Danny
 

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#4 ·
No the spring is not required, I added it after I was done, it just makes it a little faster when cutting a lot of blanks with different tube lengths, I don't have to lock the slide; the spring holds it tight enough.

Then I just slide it back let the tube roll out and push the next size in, works good, If I was doing a lot of the same size I would just use the thumb screw to lock the slide.

Doing a bunch of pens for the next show we do for my wifes Jewelry booth.

Maybe I can make some $$$
 
#7 ·
Denny, I really like this jig, but I only have a 3/4 inch thick block of UHMW, and it looks like you're using a 1 inch thick block for this project, approximately 6 inches or so long. I have a 8 inch piece of 3/4 width track, and am thinking of making this using the 3/4 inch UHMW, and it looks doable, although the machining for a 1/2 inset on the slide leaves it with only 1/4 at the top.

Mind posting the dimensions?

Thanks, JT
 
#8 ·
There's no question Danny that this is a most professionally made jig, but I have to be honest in saying that, based on my experience of pen making it strikes me as overkill. It relies on the tubes being precisely glued into the blank whereas I trim the blanks a little oversize, how much not being critical then trim them 'till the brass shines on the disc sander.
 

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#9 ·
Harry, If I interpreted this right it wasn't for final sizing

Harry, I took this jig to be used prior to drilling and insertion of the tubes, as opposed to being used to trim them afterwards to final length.

Yeah, it is overkill, but it should work really well and is making me correct some of my own machine setups where I needed more accuracy.

JT
 
#15 ·
I start my low end pens at around 15 up to my high end pen at 250 to 300.

I can turn a streamline corian pen in about 10 min so including drill and blank cutting about 20 25 min. wood pens take a little longer because of the finish that needs to be applied.