The Offcial Machinist Thread: Revised 01/04/2014

Potatoes last one shot, so build reusable! Discuss ammo designs and ideas. Tough to find cannon part or questions? Ask here!
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jackssmirkingrevenge
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Fri Sep 20, 2013 1:37 pm

That setup should be adequate, are you sure you're not being too violent with your cuts?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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wyz2285
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Fri Sep 20, 2013 1:41 pm

are you sure you're not being too violent with your cuts?
Pretty sure, never took cuts deeper then 1mm at a time.
The problem it's I have difficulties at clamping the big vice so it's parallel with the mill table traveling... Also it's not perfectly leveled. Should I buy a new vice?
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Fri Sep 20, 2013 5:06 pm

wyz2285 wrote:I have difficulties at clamping the big vice so it's parallel with the mill table traveling...
Does this mean your clamping methode is interfearing with the travel of your mill table?
wyz2285 wrote:Also it's not perfectly leveled
The vise is not squarely built?

Is your table magnetic? (for setup trouble shooting)
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wyz2285
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Fri Sep 20, 2013 5:18 pm

Does this mean your clamping methode is interfearing with the travel of your mill table?
No, it's just when I try to mill a slot on a block/tube I can see it not parallel to it, so it means the vice it's not mounted square.
The vise is not squarely built?
Don't know, the small vice it's square I'm sure but the base vice it's just a regular drilling vice I bought a while ago.
Is your table magnetic?
No, just the standard milling table of sieg x1
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Fri Sep 20, 2013 5:31 pm

I would loosen the vise mounting with a workpiece clamped in it (a piece as long as the table) and have a bit in the chuck then use the ends to square the vise to the bit. Then tighten the vise mounting, then recheck the distance to be sure it didn't move. Then make a test cut...

Of course the workpiece has to be straight. You could even use a carpenters square on a good level.
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wyz2285
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Sun Sep 22, 2013 1:42 pm

Almost done :D will finish the trigger tomorrow.
Also will make a proper thread when finished. Please be nice it's the first time I make a PCP :wink:
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CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Sun Sep 22, 2013 1:49 pm

Looking great, you are puttig that machinery to some good use :)
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wyz2285
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Sun Sep 22, 2013 1:54 pm

Not really :lol: lack of planing now clearly give me headaches...
However, I learnt some precious experience with this so the next one I'm going to make will be much better :)
Can't wait for the rotating table to arrive :D
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Sun Sep 22, 2013 4:49 pm

wyz2285 wrote:Not really :lol: lack of planing now clearly give me headaches...
However, I learnt some precious experience with this so the next one I'm going to make will be much better :)
Can't wait for the rotating table to arrive :D
There's that learning thing again L0L. :D Yes the new table will make things go nice. It will be a new thing to learn as well. Nice work! :wink:
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Mon Sep 23, 2013 7:16 am

Looking very good. General advice to everyone, if you're really into making stuff and have a couple thousand dollars to spend, get yourself a lathe and mill - it is easy to teach yourself, and with a bit of dedication the tools will soon pay for themselves.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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wyz2285
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Mon Sep 23, 2013 7:29 am

if you're really into making stuff and have a couple thousand dollars to spend, get yourself a lathe and mill
Save as much as possible and get something decent, I'm already finding the length of the bed, chuck dia of my lathe and the general size of my mill disturbingly small.
with a bit of dedication the tools will soon pay for themselves.
Depends, not here. So far suppressors are the only thing that has a bit of market.
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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jackssmirkingrevenge
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Mon Sep 23, 2013 7:37 am

wyz2285 wrote:Save as much as possible and get something decent, I'm already finding the length of the bed, chuck dia of my lathe and the general size of my mill disturbingly small.
I remember saying something about this when you were first looking for advice ;)
Depends, not here. So far suppressors are the only thing that has a bit of market.
Seek and you shall find, when word gets round that you can make custom parts people will come to you :)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Mon Sep 23, 2013 7:43 am

I remember saying something about this when you were first looking for advice Wink
Yeah... But sometimes reality and pure numbers aren't the same thing :P anyway I'm saving again so next summer I'd probably switch gear :D Also it's short of a addiction, bigger the better :lol:
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Tue Sep 24, 2013 2:05 am

Recently gained access to one of these:
http://www.mini-lathe.com/C6_lathe/C6/c ... troduction (04/18/07)
I have done a lot of basic work on lathes in school metal work but understand i have a lot to learn.
Anyone suggest any basic projects? or got any simple designs for hammer valves etc. to look at.

also have access to bench drill, arc welder and a lot of general equipment
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wyz2285
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Tue Sep 24, 2013 4:01 am

JSR will suggest you to make a pengun.
Do you have the milling accessory for the c6 lathe? If you do, it's possible to build a PCP. The book "The modern pneumatic airgun" by H.M.Burckly will help a lot.
CpTn_lAw wrote: :D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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