mcarterbrown.com  

Airsmiths on MCB MCB Airsmiths working together to bring you the best in custom paintball work.

Reply
 
Thread Tools Search this Thread
Old 11-06-2012, 07:53 PM   #101 (permalink)
Ridiculous MCB Member
 
storminnorman's Avatar
 
Join Date: Dec 2007
Location: Pump Night









__________________
T2 Slot Blockers for sale.
http://www.mcarterbrown.com/forums/d...t-blocker.html

New S6.5 model In stock Get yours now.
http://www.mcarterbrown.com/forums/d...t-blocker.html
storminnorman is offline   Reply With Quote
Old 11-07-2012, 12:33 AM   #102 (permalink)
Pro Gun Liberal
 
BlueFish's Avatar
 
Join Date: Oct 2006
Location: Mesa, AZ
Send a message via AIM to BlueFish

Brass N Wood Fan
Kilt Fan
Those blackhawk trousers you're wearing there?
BlueFish is offline   Reply With Quote
Old 11-07-2012, 02:27 AM   #103 (permalink)
Ridiculous MCB Member
 
storminnorman's Avatar
 
Join Date: Dec 2007
Location: Pump Night

That's not me lol I look like John Candy. That's my buddy owner of the shop.
__________________
T2 Slot Blockers for sale.
http://www.mcarterbrown.com/forums/d...t-blocker.html

New S6.5 model In stock Get yours now.
http://www.mcarterbrown.com/forums/d...t-blocker.html
storminnorman is offline   Reply With Quote
Old 11-08-2012, 02:41 PM   #104 (permalink)
Doesn't work for Avratech
 
ApoC_101's Avatar
 
Join Date: Aug 2007
Location: The City of Bridges

I'll have to post some pics of these heavy duty hinges I'm building... 304 stainless = good times. Just about there!
ApoC_101 is offline   Reply With Quote
Old 11-10-2012, 11:45 PM   #105 (permalink)
369
 
arjames's Avatar
 
Join Date: Apr 2012
Location: North CA

Found a free victor 1440 on Sf Craigslist today too bad i didn't find it this morning. At least it's going to make one happy machinist somewhere.
Attached Images
File Type: jpg victor 1440.jpg (49.9 KB, 181 views)
__________________
lever-action-sniper-production-prototype-design-poll http://www.mcarterbrown.com/forums/w...gn-poll-2.html
arjames is offline   Reply With Quote
Old 11-14-2012, 05:40 PM   #106 (permalink)
Doesn't work for Avratech
 
ApoC_101's Avatar
 
Join Date: Aug 2007
Location: The City of Bridges

damn, that looks like a steal for free machinery, even if it's missing stuff!
ApoC_101 is offline   Reply With Quote
Old 11-14-2012, 11:20 PM   #107 (permalink)
369
 
arjames's Avatar
 
Join Date: Apr 2012
Location: North CA

Got my heart pounding enough 2500 rpm with a brake. The Dongyang (Ocuma copy) I used to run didn't even have that. I had to Go Craigslist pro with lathe notifications. So today a 12x36 bench top came up for $800 so I had to jump on it. I responded in 21 minutes he said his email was blowing up. It was just across town I got there first Its still in my buddy's truck. Soon I will be expanding my temporary home shop. So it was kind of an impulse buy. Its missing the gears for metric threading, and the forward and reverse lever and switch. and It's been converted to 110v The guy I got it from inherited it and didn't know where anything was. I hope he lets me look around for the other parts. At least I got the 220v motor and control box. Its a 2001 Central Machinery China. O well at least I got my first lathe.
__________________
lever-action-sniper-production-prototype-design-poll http://www.mcarterbrown.com/forums/w...gn-poll-2.html

Last edited by arjames; 12-12-2012 at 09:37 PM.
arjames is offline   Reply With Quote
Old 11-22-2012, 10:01 PM   #108 (permalink)
Doesn't work for Avratech
 
ApoC_101's Avatar
 
Join Date: Aug 2007
Location: The City of Bridges

Very nice!!! that's a good amount of speed to have on a jobbing lathe with a brake... I need one like that!

in other news, some cool photos I took today from work, making the window panes to finish my vacuum tank lids... they are one inch thick lucite (I would have preferred a good clarity polycarb but the boss bought it):

on the machine:


installed to check the fit and window functionality:


yea I can see through it!!!!
ApoC_101 is offline   Reply With Quote
Old 11-23-2012, 10:54 PM   #109 (permalink)
MCB Member
 
y0da900's Avatar
 
Join Date: Oct 2007
Location: Plattsburgh, NY

I decided to jog before walking. This is a milled version of the blank prototype body from the MCB open source project (breech end insert instead of machined in).

Other than testing operations making a trigger, making a stepper mounting plate for a 4th axis project, and putting some tool free removal features on the back of a prototype valve back cap, this is the fourth project I've done with the CNC mill thus far (not counting using it like a manual mill with digital control). All 2.5D as I don't have the 4th axis up yet. Single setup. Modeling was done mostly in AutoCAD, exported to IGES, tweaked slightly in SolidWorks, and CAM done using HSMWorks inside of SolidWorks. Roughed with a flat 1/4" endmill using the 3D adaptive clearing feature, and cleaned up using a 1/4" ball mill with contouring and scalloping.

Total time was about an hour. I had 2 minor fixture crashes that made doing an actual time duration tough. Poorly placed locating pins....

There is a slight bit of eccentricity to the milling that I believe is mostly due to having used the center of the feedneck hole as the origin (I love touch probing with a center finding routine in Mach3), and that was probably not located perfectly centered as I had done that well before the mill was converted to CNC, and the tubing the body is made from has an actual OD of 1.512 instead of the 1.500 in the model.

Little bit of fine tuning to learn as far as stepover control and what CAM features are best suited for which aspect of the milling, but I think it came out pretty well considering.







y0da900 is online now   Reply With Quote
Old 11-24-2012, 02:03 PM   #110 (permalink)
MCB Member
 
tjd10684's Avatar
 
Join Date: Jul 2009
Location: Beaver Falls PA (outside Pittsburgh)

what kind of machine did you do that on? I assume some kind of 4 axis machine judging by the tooling marks.
__________________
My Feedback - http://www.mcarterbrown.com/forums/f...ml#post1575817

I also freak bore
http://www.mcarterbrown.com/forums/a...ml#post2393405

A wise man once said:
"The gap between theory and reality is not as far in theory as it is in reality."
tjd10684 is offline   Reply With Quote
Reply

  mcarterbrown.com » Custom » Airsmiths on MCB

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump


All times are GMT -4. The time now is 06:50 PM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO
© MCB Network LLC