Depending on the quantity and their lengths either a drill held in a vice, or lathe if you have access to one, and a file, but if you have lots to do it would be quite time consuming! Also the chamfers wouldn't be exactly the same but this may not matter.
I have a grinding wheel with a drill sharpening attachment. It is just a short length of angle iron that holds the end of the drill at a fixed angle to the side of the grinding wheel. It also chamfers the cut ends of rods quite nicely.
When the rods are too short to hold I stick them in the electric drill and spin them against a spinning grinding wheel (usually for putting points on). Rough cuts when the spins are in the opposite directions, face the other way for finishing cuts.
|Hi all, | |Is there a gadget out there that would de-burr / put a 45 deg chamfer |on the end of a range of small diameter rods (say 2-10mm dia)? | |Like a hand countersink tool would do for a range of small holes, this |*thing* would for rods? | |Like a pencil sharpener but at a greater angle and less aggressive?
A grinding wheel? But that requires a modicum of skill to get the angle consistent.
Thanks for the thoughts / ideas so far guys but in hindsight I realise I should have highlited the 'hand tool' direction a bit stronger (I did say 'like a hand countersink / pencil sharpner' but that was still a bit loose) ;-(
In this situation the (plastic) rods are 'fixed' (can't easily be taken to my Myford and aren't 'rod' section all the way down) and only need a rough chamfer on them, just summat better than a dead square end, to assist the entry of the rod through a cover as it's placed over them.
Being a sorta flexible nylony / plastic type material it doesn't take to being 'filed' as such and sorta ends up all hairy (that can be removed with some wet-n-dry but not the magic solution I was hoping for) ;-(
And being only ~ 4mm diameter not an easy size to file / rasp round in situ anyway?
So it want's to be to the rod, what a hand held countersink (rather than de-burring tool) would be to the edges of a drilled hole and used like a chalk on the end of a cue ..(as it portable / adaptable) ;-)
All the best and thanks again ..
T i m
p.s. The nearest thing I can think of is still a pencil sharpener ...
Yes, an inside-out countersink. They have 5 cutting edges, so that they run true.
Haven't seen one for sale in years, mine are a mixture of '50s and pre-war. Dead handy gadgets and I snap them up whenever I see one - excellent tools when starting with a diestock.
When I bought my Spot Welder it came with such a device that fits in an electric drill and sharpens the copper electrodes to a blunt cone - so go and spend £400 on a spot welder and you'll get one free !
I feel this particular plastic would respond better to a blade than the wet-n-dry but it's given me a thought re making my own?
If I bored said cone in the end of a bit of ally rod then cut a slot across the end (parallel to one face of the cone) so that I could slip various grades of grit paper into the side of the 'cone' ...
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