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Type: Posts; User: BaronJ

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  1. Replies
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    Hi Neevo, Just take it easy and you will be...

    Hi Neevo,

    Just take it easy and you will be fine ! I'm looking to see how you get on.
  2. Replies
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    Hi Neevo, I would use a router bit for any...

    Hi Neevo,

    I would use a router bit for any edge that would benefit from rounding !

    As far as dull bits is concerned, I touch mine up with a Diamond hone on the flat face only ! You really need...
  3. Hi Peter, Bob, Guys, Could it be a "Pattern"...

    Hi Peter, Bob, Guys,

    Could it be a "Pattern" makers expansion scale for cast Iron ?

    Being made from brass it is likely very old and not have any makers marks.
  4. Replies
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    Hi Neevo, Thanks for the pictures. That's...

    Hi Neevo,
    Thanks for the pictures.

    That's looking nice, even better when calibrated.

    A careful use of a curved wood router bit in the mill will sort those sharp corners. When I rounded the...
  5. Thread: Air delivery

    by BaronJ
    Replies
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    255

    Hi Bob, Does this help ? ...

    Hi Bob,

    Does this help ?

    https://www.airbestpractices.com/technology/air-compressors/measuring-performance-installed-air-compressors
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    Hi Guys, The news about the Earthquake hit the...

    Hi Guys,

    The news about the Earthquake hit the media early yesterday morning ! I hope that nobody got hurt and little damage occurred. Fortunately the UK doesn't suffer many Earthquakes, I only...
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    Hi Steve, The button seal at the top along...

    Hi Steve,

    The button seal at the top along with the plastic terminal cover is part of the IP65 specification ! I would paint a seal of Evostick rubber solution or something similar along the...
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    Hi Guys, The tool relies on the threaded rod...

    Hi Guys,

    The tool relies on the threaded rod to keep the bars parallel to each other. Turning the screw clock wise pushes the bar away pulling the ends of the chain together. Often a very...
  9. Replies
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    Hi Nigel, Do the same as I do and orientate...

    Hi Nigel,

    Do the same as I do and orientate the picture as you want and then crop the edges off and save !
    This gets rid of the EXIF data that the forum uses to rotate the picture so that it is...
  10. Replies
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    Hi Brett, If that nut above the chuck is what...

    Hi Brett,

    If that nut above the chuck is what I think it is, then it is used to push the chuck off the taper ! If not then you might want a pair of wedges to remove it.
  11. Replies
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    Hi Lee, What a wonderful job you have done on...

    Hi Lee,

    What a wonderful job you have done on that Servian Drill press :2tsup:

    I must admit that I thought that you had abandoned it, but I'm glad you have completed the project, I'm very...
  12. Replies
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    Hi Guys, Casting sand under the saddle would...

    Hi Guys,

    Casting sand under the saddle would cause that effect !

    Look for scratches on the ways.
  13. Replies
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    Hi Stewart, That is almost identical to mine !...

    Hi Stewart,

    That is almost identical to mine ! I put a piece of particle board under the base glued in with EvoStik, on mine. The base is only thin pressed steel and it flexed unless you had it...
  14. Hi Guys, I too think that the Sieg SX3.5 Long...

    Hi Guys,

    I too think that the Sieg SX3.5 Long bed machine is a bit over priced ! However it is touted as a high quality mill and good quality control. But I do agree that the HM46 would be a...
  15. Replies
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    Hi Commander_Keen, No insult intended !...

    Hi Commander_Keen,

    No insult intended ! Actually the opposite. I'm sorry if my comment offended you !

    I too ran Unix and DOS long before windows, before moving to Yggdrasil Linux in about...
  16. Replies
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    779

    Youíre obviously not a Windows user then !

    Youíre obviously not a Windows user then !
  17. Hi Kryn, The SX3.5 Long bed machine is quite a...

    Hi Kryn,

    The SX3.5 Long bed machine is quite a different animal ! I do agree that the X3 was a very poor machine, there are a lot of disappointed people with them, having to modify them to...
  18. Replies
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    Hi Neevo, Is the box lid on upside down ? ...

    Hi Neevo,

    Is the box lid on upside down ?

    Looking forward to seeing it running, nice work !
  19. Replies
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    Hi Morrisman, Guys, I have an old fashioned...

    Hi Morrisman, Guys,

    I have an old fashioned paper guillotine that I use for thin non ferrous metal sheet. It easily cuts 1 mm alloy and I've cut 0.5 mm brass sheet with it. The frame edges...
  20. Hi Chris, A friend has a similar Sieg SX3.5LB...

    Hi Chris,

    A friend has a similar Sieg SX3.5LB with R8 spindle, the same as the one from ARC Euro here in the UK ! Its roughly on par with my Optimum BF20LB mill, but I don't have the tapping...
  21. Replies
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    779

    Hi Grahame, I think I would ask them for a...

    Hi Grahame,

    I think I would ask them for a copy of the constitution ! There might be something in it that allows them to make changes without needing members consent.
  22. Replies
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    523

    It should be, however it depends upon how long it...

    It should be, however it depends upon how long it is between supports. A good way to estimate the strain on your angle, would be to support it on a couple of bricks on the floor spaced the same as...
  23. Replies
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    Hi Grahame, If its a credit union, is it owned...

    Hi Grahame,

    If its a credit union, is it owned by its members ? If so then it shouldn't be able to make changes without the consent of its members. Here in the UK there has been a number of...
  24. Replies
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    Hi Oldhack, Thanks for the pictures ! ...

    Hi Oldhack,

    Thanks for the pictures !

    Those trusses only look like 2" X 4" ! I would take the advice to support them whilst you do the lifting. A couple of lengths of 4" square used as props...
  25. Replies
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    Hi Guys, The usual non linearity problem is...

    Hi Guys,

    The usual non linearity problem is the tiny voltage required to turn on the transistor or diode that is used to do the measuring. Commonly seen as a 0.6 or 0.7 volt drop across the base...
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    Hi Steve, Guys, A real easy way is to simply...

    Hi Steve, Guys,

    A real easy way is to simply measure the voltage drop across the feed cable !

    Since a volt meter (Multimeter) draws essentially no current a suitably insulated thin wire...
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    Hi Stuart, Brilliant detective work, yes those...

    Hi Stuart,

    Brilliant detective work, yes those are some of the articles that I remember ! They have been somewhat updated though. Thankyou for finding them and the links. I've re-downloaded them...
  28. Replies
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    Hi Russell, I'm getting a bit out of touch...

    Hi Russell,

    I'm getting a bit out of touch nowadays with steppers and such. Now you mentioning Lm297 and Lm298 chips !
    I have several kicking about but I've never used them. I didn't know what...
  29. Replies
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    Hi Stuart, You could anchor a pulley as high...

    Hi Stuart,

    You could anchor a pulley as high as you can get on an adjacent tree in order to give you a better pulling angle !
  30. Replies
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    DIY EDM, stepper driver.

    Hi Guys,

    Whilst trawling through my backup HDD's I found this picture which is I think part of the EDM drive circuit. I've not built this but I don't see any reason why it should not work OK .
    ...
  31. Replies
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    Diy edm !

    Hi Guys,

    Thanks for the replies showing interest in a DIY EDM Machine. I've spent several unsuccessful days going through my backup HDD's, looking for the information that I originally downloaded...
  32. Replies
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    Yes you are right ! But from my viewing of the...

    Yes you are right !

    But from my viewing of the picture I can't tell whether it has a CFS or not :U.

    Either way dismantling it is no different. End bell caps are often very tight particularly...
  33. Replies
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    Hi Steve, Its no different from changing the...

    Hi Steve,

    Its no different from changing the bearing in a DE grinder !

    A little gentle persuasion with a mallet on the non CF switch end and the thing should come apart, watch out for any...
  34. Replies
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    Hi Russ, Guys, Some brushes are much harder...

    Hi Russ, Guys,

    Some brushes are much harder than others. The ones that I'm using and cutting up are much harder than the original ones.

    Its basically a balance between brush and commutator...
  35. Replies
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    Hi Al, I hope that you don't do any damage to...

    Hi Al,

    I hope that you don't do any damage to the spindle bearings when you come to hammer the tool holder out of the taper ! There is no need to tighten a Morse taper up that tight. I only use...
  36. Replies
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    Hi Russ, I notice that you have left a step on...

    Hi Russ,

    I notice that you have left a step on the sides ! Bad idea, those steps will cause the brush to arc onto the next segment of the commutator.

    I don't file my replacements, I use a belt...
  37. Replies
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    Hi Greg, My mill is a Chinese copy of an...

    Hi Greg,

    My mill is a Chinese copy of an Optimum BL20 with the extra long bed.

    This is a write up that I did when installing mine. Note that I also did a lot of other work as well that needed...
  38. Replies
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    Hi Guys, I had to put a couple of shims...

    Hi Guys,

    I had to put a couple of shims between the column and base under the top two bolts on my mill. I forget now how far the head nodded, but it only took a couple of thou of shim to correct...
  39. Replies
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    Hi Greg, Don't forget to take into account...

    Hi Greg,

    Don't forget to take into account that they will add on the length of the read head !
    I had to shorten one of mine because it was too long. The other pair of scales was OK because I had...
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    Hi Matt, Very nice work ! I don't think the...

    Hi Matt,

    Very nice work ! I don't think the bull nose looks bad at all.

    It reminds me of Japanese pull saws.
  41. Replies
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    Hi Neevo, I think that the 1024 encoder is...

    Hi Neevo,

    I think that the 1024 encoder is right, because an eight TPI leadscrew will divide equally into 1024.
    1024/8 = 128. Each leadscrew turn would equate to 1/8" of an inch, 125 thou or...
  42. Replies
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    Hi Steve, Guys, I have a vague idea that the...

    Hi Steve, Guys,

    I have a vague idea that the original gear was a plastic extrusion simply cut to length ! From a manufacturing point of view that would make sense, easy and cheap to produce, also...
  43. Replies
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    Hi Adam, Guys, Like this one photographed in...

    Hi Adam, Guys,

    Like this one photographed in the "Blists Hill" village museum near Telford in the Midlands, UK.

    393676

    You can see the four rows of four brushes round the commutator.
  44. Replies
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    Hi Russ, Guys, I've been making replacement...

    Hi Russ, Guys,

    I've been making replacement carbon brushes for quite some time ! My mill motor uses similar brushes, but I can't fit pigtails to them so I have to rely on the springs and surface...
  45. Replies
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    Hi BC, Guys, Tracy Tools here in the UK...

    Hi BC, Guys,

    Tracy Tools here in the UK currently supplies packs of Coventry dies and also holders for single dies to use as chasers ! I gave away my large, 1" inch die head and only have a 1/2"...
  46. Hi Guys, Yes I concur with Bob ! The shaft...

    Hi Guys,

    Yes I concur with Bob ! The shaft has to rotate at least twice in order to get a speed. So a larger diameter will take longer to get a reading.

    This is why you often find that the...
  47. Replies
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    Hi BC, There won't be many of those jigs about...

    Hi BC,

    There won't be many of those jigs about ! They were not only very expensive but awkward to use. It was cheaper to buy a new set of dies.
  48. Replies
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    Hi Steve, Only my personal opinion, but cut...

    Hi Steve,

    Only my personal opinion, but cut and offset to a new outlet as shown in your first picture ! Much easier than filling a hole in the gutter and replacing the fitting. Though I collect...
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    Sticky: Thank you for your comments ! I usually remove...

    Thank you for your comments !

    I usually remove EXIF data before I post a picture, that way the picture remains the way I want it to display !

    If I don't do this and leave the EXIF data in place...
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    Sticky: Hi Chris, Guys, I disagree ! Unless the...

    Hi Chris, Guys,

    I disagree !

    Unless the phone has the ability to know which way is up at the point when you take the picture, then the reference position is a fixed one in the camera/phone...
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