Search found 2880 matches

by hammermill
Thu Aug 19, 2010 10:16 pm
Forum: Gunsmithing
Topic: Hand Gun Barrel/Rifling Fixture Question From a New Guy..
Replies: 10
Views: 5562

Re: Hand Gun Barrel/Rifling Fixture Question From a New Guy.

here are a few links of projects http://www.homegunsmith.com/cgi-bin/ib3/ikonboard.cgi?s=442bca9868ac39fe7d910fd9df8568e2;act=ST;f=2;t=25104;hl=rifling+machines http://www.homegunsmith.com/cgi-bin/ib3/ikonboard.cgi?s=442bca9868ac39fe7d910fd9df8568e2;act=ST;f=6;t=24524;hl=rifling+machines hope this h...
by hammermill
Thu Aug 19, 2010 5:46 pm
Forum: Gunsmithing
Topic: Hand Gun Barrel/Rifling Fixture Question From a New Guy..
Replies: 10
Views: 5562

Re: Hand Gun Barrel/Rifling Fixture Question From a New Guy.

cut rifling sinebar machines have been made by quite a few home gunsmith and garagegunsmithing posteres a simpler process is button rifleing( simpler in that it is all done in one pass) and uses hydrolics to pull the button thru the barrel. a while back i posted a set of photos of a pre ww2 rifling ...
by hammermill
Mon Aug 16, 2010 8:29 pm
Forum: Gunsmithing
Topic: Second Introduction
Replies: 7
Views: 2024

Re: Second Introduction

randy c a well proven design that will fill any tool shop and i have seen numerous variations built on 2 gunsmithing forums i moderate is the jaco design my sons and i build several pistols and a couple rifles off of the action plans garagegunsmithing is one of the forums and reciently had a build p...
by hammermill
Wed Aug 11, 2010 11:11 pm
Forum: Gunsmithing
Topic: When a gun is born
Replies: 10
Views: 3055

Re: When a gun is born

pacrat is on track with the 80 percent complete rule of thumb in the usa other countrys are differient and your state or local may even add a few extra twists.
by hammermill
Wed Aug 11, 2010 6:27 pm
Forum: Welding
Topic: converting phases 3 to single phase lincoln cv300
Replies: 5
Views: 3074

Re: converting phases 3 to single phase lincoln cv300

http://content.lincolnelectric.com/pdfs ... /IM383.pdf


here is the manual dont look like single phase power is a option
by hammermill
Mon Aug 09, 2010 12:49 am
Forum: The Junk Drawer
Topic: 5 volt DC regulated power supplies
Replies: 13
Views: 1308

Re: 5 volt DC regulated power supplies

you are on track with the battery charger and dimmer switch to adjust the voltage down if needed, it will need to be a old one with out all the auto charging stuff added on. if you need a higher voltage then a auto transformer will in most cases take the input up to around 130v to 140 v with output ...
by hammermill
Sun Aug 08, 2010 2:36 pm
Forum: The Junk Drawer
Topic: 5 volt DC regulated power supplies
Replies: 13
Views: 1308

Re: 5 volt DC regulated power supplies

check out caswells site. the late fibergeek did a lot of work on setting up home systems

a home built constant current 0 to 30 volt supply plans used to be posted there

doing it at home is pretty straight foreward( you will be working with acids and dyes)
by hammermill
Sun Aug 08, 2010 12:23 am
Forum: Lathes
Topic: Tales of the Tailstock
Replies: 7
Views: 4756

Re: Tales of the Tailstock

thank for the post it always nice to learn something new
by hammermill
Sat Aug 07, 2010 11:30 am
Forum: General Discussion
Topic: high pressure air compressor 3500 psi
Replies: 13
Views: 6427

Re: high pressure air compressor 3500 psi

thanks for the words of caution, i have written similar many times on other forums i have a large air compressor unit for filling scba tanks and scuba tanks. however now that i am migrating to a home shop 10 hp 3 phase power is a bit much for a residental service. and yes my machine is verymuch like...
by hammermill
Fri Aug 06, 2010 6:45 pm
Forum: General Discussion
Topic: high pressure air compressor 3500 psi
Replies: 13
Views: 6427

high pressure air compressor 3500 psi

Hello all, I am looking for some guidance on construction of a 3500 psi air compressor. I realize it will need to be done in 3 stages more than likely, and will not need very big pistons. Questions are, at these pressures, are ball check valves a option? I am not looking at a lot of volume, say 1 cu...
by hammermill
Mon Jul 05, 2010 5:37 pm
Forum: Milling Machines
Topic: Any experiences with Precision Matthews mills?
Replies: 5
Views: 2204

Re: Any experiences with Precision Matthews mills?

i have a round collum version and have used it a lot, the presence of apower feed is a nice upgrade.
you may find the need to brace the top of the collum to a solid wall that is a lot of iron hanging off of it
limited number of speeds on the spindal
by hammermill
Tue Jun 29, 2010 6:18 pm
Forum: General Discussion
Topic: Any metallurgy experts here? Welding gone awry!
Replies: 13
Views: 1640

Re: Any metallurgy experts here? Welding gone awry!

cant argue with the opinion of it being cast iron looks like oops put a grinder to it and look at the sparks