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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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OT - M&W micrometer adjusting spanner?
Long shot I know, but...
I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#2
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OT - M&W micrometer adjusting spanner?
Harry Bloomfield wrote:
Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave |
#3
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OT - M&W micrometer adjusting spanner?
on 30/01/2010, Dave supposed :
Harry Bloomfield wrote: Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave I have already tried to make one - it just wasn't strong enough to budge it. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#4
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OT - M&W micrometer adjusting spanner?
Harry Bloomfield wrote:
on 30/01/2010, Dave supposed : Harry Bloomfield wrote: Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave I have already tried to make one - it just wasn't strong enough to budge it. Yes, they are quite stiff to move. I only have the one for my 0.0001 model, or I would have lent you it. Dave |
#5
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OT - M&W micrometer adjusting spanner?
Dave wrote:
Harry Bloomfield wrote: on 30/01/2010, Dave supposed : Harry Bloomfield wrote: Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave I have already tried to make one - it just wasn't strong enough to budge it. Yes, they are quite stiff to move. I've had mine for 40 years and the supplied spanners never did undo the two lock rings, so I've always allowed for the offset. AJH |
#6
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OT - M&W micrometer adjusting spanner?
On 30 Jan, 09:20, Harry Bloomfield
wrote: I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate Drill bit, used radially. You can get a good fit in the hole and provided it's not stuck, there's enough leverage to adjust. Just remember to hold it radially and don't knacker the hole edges. |
#7
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OT - M&W micrometer adjusting spanner?
andrew wrote:
Dave wrote: Harry Bloomfield wrote: on 30/01/2010, Dave supposed : Harry Bloomfield wrote: Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave I have already tried to make one - it just wasn't strong enough to budge it. Yes, they are quite stiff to move. I've had mine for 40 years and the supplied spanners never did undo the two lock rings, so I've always allowed for the offset. What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. As I wrote earlier, they are very stiff to move. Harry, do you have a kitchen strap wrench? That might be worth looking at, they are very cheap. Dave |
#8
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OT - M&W micrometer adjusting spanner?
On Sun, 31 Jan 2010 16:50:38 +0000, Dave
wrote: What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. I think you probably mean 1/1000... :-) -- Frank Erskine |
#9
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OT - M&W micrometer adjusting spanner?
"Frank Erskine" wrote in message ... On Sun, 31 Jan 2010 16:50:38 +0000, Dave wrote: What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. I think you probably mean 1/1000... :-) -- Frank Erskine A M&W Micrometer can (optionally) have an additional vernier scale around the sleeve to enable you to estimate 10,000 of an inch. |
#10
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OT - M&W micrometer adjusting spanner?
"John" wrote in message ... "Frank Erskine" wrote in message ... On Sun, 31 Jan 2010 16:50:38 +0000, Dave wrote: What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. I think you probably mean 1/1000... :-) -- Frank Erskine A M&W Micrometer can (optionally) have an additional vernier scale around the sleeve to enable you to estimate 10,000 of an inch. This link should take you to an illustration that shows the optional vernier scale. For 0.0001" http://www.moore-and-wright.com/imag...d_W_Poster.pdf. Nowadays people seem to have too much reliance on digital instruments - forgetting that the method of measuring still needs to be sound. |
#11
Posted to uk.d-i-y
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OT - M&W micrometer adjusting spanner?
This link should take you to an illustration that shows the optional vernier scale. For 0.0001" http://www.moore-and-wright.com/imag...d_W_Poster.pdf. Nowadays people seem to have too much reliance on digital instruments - forgetting that the method of measuring still needs to be sound. Alternative view of the vernier giving 0.0001 reading ability. http://pgiinc.com/howtoreoumi.html |
#12
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OT - M&W micrometer adjusting spanner?
Dave wrote:
It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. As I wrote earlier, they are very stiff to move. I was talking at cross purposes then, mine is a 0-1" and 1"-2" with two separate anvils to change the range. The anvils each have two lockrings with notches for a C spanner. AJH |
#13
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OT - M&W micrometer adjusting spanner?
Dave explained :
andrew wrote: Dave wrote: Harry Bloomfield wrote: on 30/01/2010, Dave supposed : Harry Bloomfield wrote: Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? You don't need it for a strip down and clean, but can't you make something that will let you adjust it? It's only a pin on an arc. Dave I have already tried to make one - it just wasn't strong enough to budge it. Yes, they are quite stiff to move. I've had mine for 40 years and the supplied spanners never did undo the two lock rings, so I've always allowed for the offset. What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. As I wrote earlier, they are very stiff to move. Harry, do you have a kitchen strap wrench? That might be worth looking at, they are very cheap. I was going to 'make' one (just a bit of cord and a nail) to try turning the barrel, but I do also need to strip it down to give it a good clean and lub.. The only thing which is out, is the course calibration along the barrel - the zero mark is about 7 thou out. The fine calibration is spot on. I rather suspected that turning the barrel would set up both the course and fine calibration marks. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#14
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OT - M&W micrometer adjusting spanner?
Frank Erskine wrote:
On Sun, 31 Jan 2010 16:50:38 +0000, Dave wrote: What you wrote prompted to get mine out, micrometer, that is :-) It doesn't have two lock rings, just an adjuster to take out the backlash in the screw thread and the ability to rotate the fixed barrel that has the 1/10000 vernier scale on it. I think you probably mean 1/1000... :-) No, it is capable of measuring down to one ten thousand of an inch. Dave |
#15
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OT - M&W micrometer adjusting spanner?
Harry Bloomfield expressed precisely :
Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? An hour ago I managed to track one down - Mitchell Fox, Leeds £2.29 each if anyone else might need one. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#16
Posted to uk.d-i-y
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OT - M&W micrometer adjusting spanner?
"Harry Bloomfield" wrote in message . uk... Harry Bloomfield expressed precisely : Long shot I know, but... I have an old Moore & Wright micrometer, which needs a little adjustment to get the zero accurate and maybe strip down for a clean, unfortunately it came without the little spanner. It is a little over 2" long, with a C at one end, an open ender at the other and I understand it is standard spanner for all models. I wonder if anyone might have one surplus to their needs? An hour ago I managed to track one down - Mitchell Fox, Leeds £2.29 each if anyone else might need one. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk Good luck. Make this adjustment after you have adjusted the nut that tightens the thread. |
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