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

Search:

Type: Posts; User: ballen

Page 1 of 60 1 2 3 4

Search: Search took 0.03 seconds.

  1. Replies
    14
    Views
    1,230

    On a half-inch part I agree. But if you are...

    On a half-inch part I agree. But if you are using the 200mm (8") blade against a ground or machined surface, then 1 arcminute corresponds to about 0.06mm (0.002") at the end of the blade. That is...
  2. Replies
    18
    Views
    1,007

    I'll take a look for the jaws and get back to...

    I'll take a look for the jaws and get back to you.

    I suggest that you ask the seller to provide you with the two (presumably) hardened and ground inserts that are needed to locate the...
  3. Replies
    174
    Views
    16,270

    Fantastic work of digging out that reference. ...

    Fantastic work of digging out that reference. Finally this explains what Heidenhain was thinking! Well done! But is an EIB1500 the same type of interpolation device as an EXE610??
  4. Congratulations on getting the machine running! ...

    Congratulations on getting the machine running!



    Deckel made two types of Morse Taper -> SK40 adaptors. The first type is for drill bits with a knock-out tang. That retains to the tool via...
  5. How do the matching flat- and V-ways look? You...

    How do the matching flat- and V-ways look? You can get a crude idea of the condition by mounting a dial test indicator on the carriage then running it back and forth with the probe on the tailstock...
  6. Replies
    18
    Views
    1,007

    Also means that you should check that the bevel...

    Also means that you should check that the bevel gears are meshing correctly. The triangular plate on the ram side lets you tweak the fit. If you are not experienced at this, Peter and others here...
  7. Replies
    174
    Views
    16,270

    I originally tried to monitor the current from...

    I originally tried to monitor the current from the photocells as you suggest, monitoring the voltage across a ~10k resistor. But it didn't work because the impedance of the photocells changes...
  8. Replies
    19
    Views
    1,196

    Logan lathe beds have the carriage riding on a V...

    Logan lathe beds have the carriage riding on a V on front and a flat on back. The tailstock rides on a V in back and a flat in front. Photo below.
    ...
  9. Normally you would insert a triangular wedge into...

    Normally you would insert a triangular wedge into the slot and use that to drive out the MT arbor. However it appears that a drawbar has been added. This means you have an MT arbor which is threaded...
  10. Replies
    174
    Views
    16,270

    I am impressed that you were able to get this...

    I am impressed that you were able to get this working correctly. Kudos!

    I was surprised to learn that the two heads have their signals added together. Is that also the case for the reference...
  11. Thread: Thiel 159

    by ballen
    Replies
    19
    Views
    3,137

    (1) Click on your user name (at top of the...

    (1) Click on your user name (at top of the screen/window)
    (2) On the left, find the item labeled "Albums"
    (3) Create an Album called "Thiel 159 #1"
    (4) Upload photos to that Album
    (5) Click on a...
  12. Replies
    14
    Views
    1,230

    Actually it says that parallax errors are below 1...

    Actually it says that parallax errors are below 1 arcminute. Here is a translation:

    Sealed against dust and humidity. The ocular has a protective cap and has a field of view which is so small...
  13. Replies
    14
    Views
    1,230

    Just realised that my photo has the protractor...

    Just realised that my photo has the protractor upside-down in the case. For the record here is how it should look.
    ...
  14. Replies
    14
    Views
    1,230

    Since I mostly lurk in this forum, I thought that...

    Since I mostly lurk in this forum, I thought that I would try to contribute a bit. So here is a picture of my tool in the box. This one carries the "Helios" brand but was made by Schneider & Kern in...
  15. Replies
    14
    Views
    1,230

    I've got one of these made by Helios. Nice tool....

    I've got one of these made by Helios. Nice tool. It still has the original inspection sheet showing that the errors in the dividing circle are 10 seconds of arc. The instruction sheet claims that...
  16. Replies
    19
    Views
    1,196

    I have a Logan 10" (photos here for the curious)...

    I have a Logan 10" (photos here for the curious).

    I would quick check the bed to make sure it's not twisted. That's possible if this is one of the models with a countershaft assembly behind and...
  17. Send the photos to Franz Singer, Singer...

    Send the photos to Franz Singer, Singer Werkzeugmaschinen. If anyone can identify these, he can.

    Home page
  18. Replies
    18
    Views
    1,007

    John, that's a cream-puff machine. Looks in...

    John, that's a cream-puff machine. Looks in great shape and nicely cleaned, apart from the bottom of the Y-axis T-slot :D. Cheers, Bruce
  19. Replies
    174
    Views
    16,270

    Dear DMD, IMO it would be poor design if one...

    Dear DMD,

    IMO it would be poor design if one head was used for reference marks and the other one for the quadrature scales. But you can easily test your theory. Just cut out the power to the...
  20. What is the diameter of your shafts?

    What is the diameter of your shafts?
  21. Hi Nigel, I remembered the felt strip in...

    Hi Nigel,



    I remembered the felt strip in the back but not in the front. I don't have any good photos of the front but dug these out. This is my 1964 FP2, number 422.

    Here's the back, you...
  22. By "transverse" direction, do you mean the long...

    By "transverse" direction, do you mean the long left-right travel direction which normally has the hydraulic feed? I suppose that's right, since the other direction is normally called the...
  23. Replies
    909
    Views
    72,442

    Deckel had the good sense to use standard...

    Deckel had the good sense to use standard bearings here. Good quality replacements cost ~10 Euros each online, so it makes sense to replace any which are not in very good shape.
  24. It looks fantastic! I think this is one of the...

    It looks fantastic! I think this is one of the traditional approaches. The longer way is ground and the shorter one is scraped to match with half-moon oil pockets added as the final step.

    What...
  25. One of these days (more likely, one of these...

    One of these days (more likely, one of these years) I am going to ditch the electrical cabinet from my FP2 and replace it with two VFDs. One will be for the regular drive motor built into the base,...
Results 1 to 25 of 1500
Page 1 of 60 1 2 3 4