Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: Chris42

Page 1 of 7 1 2 3 4

Search: Search took 0.00 seconds.

  1. Replies
    18
    Views
    5,002

    Warner and Sawsey also made rifle scopes for WW1...

    Warner and Sawsey also made rifle scopes for WW1 sniper rifles. Think they were 1908 and 1913 models, using a prism and mounted on the 1903 Springfield rifle. About 5x power.
  2. Thread: Emmert Vise

    by Chris42
    Replies
    42
    Views
    33,530

    While this thread is ancient, I have just found...

    While this thread is ancient, I have just found it. For those hoping to find one of the machinist vises, all I can say is keep hunting.

    I have one that I picked up some 10+ years ago in a...
  3. Replies
    27
    Views
    5,792

    I did this with pine recently. Made a large cross...

    I did this with pine recently. Made a large cross for church.

    Used a coarse wire wheel on an angle grinder. As noted earlier, it wears away the soft summer growth, leaving the harder winter...
  4. I have some heavy, relatively hard rubber that I...

    I have some heavy, relatively hard rubber that I cut into 3 or 4" squares. They go under the corners of the machine when setting up. Buffers noise between the machine and the floor. Also keeps the...
  5. Thinking in a production mode, that you want to...

    Thinking in a production mode, that you want to be able to do this more than once successfully, I would go with the quality long twist drill as suggested above, with as much flute as possible...
  6. A small machinists vise can go on the magnetic...

    A small machinists vise can go on the magnetic chuck - then you can do a bunch of stuff. I have an older Deckel S-1 tool grinder and with the vise on it I grind trigger sears. It does an incredible...
  7. Thread: brass casting

    by Chris42
    Replies
    10
    Views
    1,938

    Quenching brass in water when it is red hot (not...

    Quenching brass in water when it is red hot (not bright red) anneals it. Doing the same to some steels will harden them. It is just the way it is...
  8. Replies
    16
    Views
    3,092

    Considering the first pic with the demon and...

    Considering the first pic with the demon and cupid - anybody else catch on that the grinder wouldn't work as pictured? Sparks are being thrown away from both individuals at the same time - It's not...
  9. Replies
    12
    Views
    2,568

    As far as things to check on the mill- and I...

    As far as things to check on the mill- and I would do this to ANY mill I looked at -

    Rotate the spindle by hand. Take it out of gear (High low range lever, on right side, just above eye level if...
  10. Replies
    0
    Views
    991

    Hendey lathe - Lancaster PA $800

    I don't know anything about this other than what the craigslist ad has on it. They mention it is a 14"x46" and it weighs 3,500 lbs.


    http://lancaster.craigslist.org/tls/1155327974.html
  11. Replies
    47
    Views
    54,012

    Another vote for the JD. I have a 1020 with a...

    Another vote for the JD. I have a 1020 with a loader and rollbar/roof. It is a 3 cly gas and it runs like a top. I have probably had it for 10 years and it has almost always run this way. Needed the...
  12. Replies
    12
    Views
    3,275

    First obvious thought - Internet search?

    First obvious thought - Internet search?
  13. Replies
    3
    Views
    1,070

    Hello Dave, You have the idea. As for...

    Hello Dave,

    You have the idea. As for transformers, I am looking at control transformers since this is such a small motor. I am familiar with the diagrams for primary and secondary stages,...
  14. Replies
    20
    Views
    5,184

    I think propane has about 2.5 times the BTU's of...

    I think propane has about 2.5 times the BTU's of natural gas. Might be worth remembering.
  15. Replies
    3
    Views
    1,070

    VFD and inverter drive motor?

    I have a Bridgeport Mill with a 1 HP motor. I got a TECO VFD for it and all works well. Now I have a 440 3PH motor (different machine - Deckel tool grinder) that is about 1/2HP, (.5KVA actually)

    I...
  16. Replies
    22
    Views
    4,204

    Just as another idea, I used a tractor with a...

    Just as another idea, I used a tractor with a bucket to remove my BP from my stake bed F350. I was worried that the tractor was a bit light, so I pulled the the ram, ram mount and head as an assembly...
  17. Replies
    13
    Views
    1,710

    I have a TECO VFD on my Bridgeport 1 hp machine....

    I have a TECO VFD on my Bridgeport 1 hp machine. It works great, gives me variable speed and plugs into a dryer style plug. Easy to install and once done you rarely have to touch the v-belts any...
  18. Replies
    12
    Views
    9,706

    Mark, I follow your logic and may well do it that...

    Mark, I follow your logic and may well do it that way. If I understand it correctly, the odds are that I would cook the transformer before the motor? I can afford to lose a transformer.

    Viper,...
  19. Replies
    12
    Views
    9,706

    Mark - The transformer is pretty well matched to...

    Mark - The transformer is pretty well matched to the German motor, larger capacity, but not by much. The motor is rated at .4kva and the transformer is .5kva

    Will this work or should I find a...
  20. Replies
    12
    Views
    9,706

    Sorry for not noting it above, but the motor is...

    Sorry for not noting it above, but the motor is not able to be re-wired to 220v. That was the first thing I checked. It is a two speed, reversable motor of german manufacture. It is a nice setup and...
  21. Replies
    12
    Views
    9,706

    VFD and step up transformer?

    I have a TECO VFD for my Bridgeport 1 HP mill. Works great and I like it a lot. I am going from 220 single phase to 220 3 phase. I now have a Deckel tool grinder (beautiful machine) that is 440v, 3...
  22. Replies
    4
    Views
    7,103

    An interesting design. Two things observed: ...

    An interesting design. Two things observed:

    The barrel(s) turn while the rifling cutter/broach does not. And there is a "needle" (nadle) that causes the broach to extend out of a sleeve to cut on...
  23. Replies
    100
    Views
    14,789

    What a wonderful list of books I now have to...

    What a wonderful list of books I now have to read. I could skip the TV for a few months with this list.
    It appears that fiction along these lines is a bit hard to come by - I can agree though that...
  24. Replies
    17
    Views
    11,511

    American Made -

    Here is a link to Anvil International - An American manufacturer of pipe fittings. http://www.anvilintl.com/ Headquartered in New Hampshire, I have been through one of their plants in Columbia, PA...
  25. Thread: Bullet traps

    by Chris42
    Replies
    13
    Views
    4,547

    Slightly OT here, but related. In the Washington...

    Slightly OT here, but related. In the Washington Navy Yard (DC) there is a small museum. Out front they have a selection of guns - revolutionary artillery on up. They also have a 16" thick (if I...
Results 1 to 25 of 155
Page 1 of 7 1 2 3 4