Yes its a fully pneumatic construction
....the upper ring is for air supply, it has an inner grove allowing the air to enter the chamber from all sides (i have 3 holes diveded by 120deg on this one...this division is also true for the exit ports of the piston, im my imagination this makes the...
I took measurements on the body of the graver and drew them out in cad...i had to convert it to a png to upload it here, so im not sure about the scaling
cheers, yes the turning of the cylinder with shoulders on the inside was a challange....a good way to circumvent this job is using the body of a springloaded centerpunch
Hello all,
Im starting this thread to motivate people like me (who want to try out pneumatic engraving but fear the, especially in europe, hefty monetary investment).
This graver is mostly made from trashyard materials, but still has its fancy elements like a teflon sleeved piston, 120 degree...
I actually already bought one, but since the motor on mine had almost no torque I replaced it with a 24v geared drive...now 8t works quite nicely.....once I've constructed templates sharpening will be much quicker I hope
Thanks for the tip, I recognise this book....many people seem to recommend it
Sadly it's hard to come by, especially in Europe....ill have to keep a close eye on possible ebay auctions...
Hello to all,
as a maker of folding knives i came across engraving quite a few times and always was amazed by the beautiful work people do, so i recently decided to open another can of wotms in my workshop and give it a try myself...
I'm still in the process of getting together all the tools I...