Fixing and calibrating a rusty seized Moore and Wright 2 inch imperial micrometer

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Fixing and calibrating a rusty seized Moore and Wright 2 inch imperial micrometer I bought for a pound (£1) at a car boot sale!
John over at ‪@doubleboost‬ published a series of 3 videos with is friend Bob on micrometer servicing which goes into more depth:
See pinned comment for links to Bob servicing micrometers.
0:00 Introduction
0:37 The first problem
0:54 Un-jamming the locking nut
1:52 Oiling the spindle thread
2:18 spindle freed off!
2:39 Removing rust with a soft brass brush
3:34 Removing the spindle
4:04 Inspecting the threads
7:54 After cleaning the threads with brake cleaner
8:05 cleaning the lock nut
9:50 First re-assembly
11:11 Checking calibration
12:49 Attempting to calibrate the micrometer
14:25 Disassembly to free barrel
17:37 Re-Checking calibration
18:32 Error in where the barrel is
19:00 Resetting the barrel position
19:40 Adjusting the stiffness of the thread
25:14 Checking final calibration
26:29 Conclusion

Хобби

Опубликовано:

23 июл 2024

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Комментарии : 28

@BensWorkshop 2 года назад

John over at @doubleboost published a series of 3 videos with is friend Bob on micrometer servicing which goes into more depth: Part 1 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-9cpVbm8JGg8.html Part 2 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-NModYSfoZ4E.html Part 3 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-erAzzhtNKhw.html

@TheKnacklersWorkshop 2 года назад

Nicely done Ben... I think I should get myself to a few boot sales in search for bargains.. See you next time...

@BensWorkshop 2 года назад

Cheers. Try it. If nothing else, you get a spring walk in fresh air and a rummage! Many thanks for watching!

@henrymurawskibigdogrepair 2 года назад

Very nice video some people wouldn’t know what this is used for

@BensWorkshop 2 года назад

That's true. Many thanks for watching!

@MrFactotum 2 года назад

Can't beat a great bargain Ben, nice one👍👍 cheers Kev

@BensWorkshop 2 года назад

Certainly can't! Grieves me to see a precision instrument in that state though. Many thanks for watching!

@GrumpyTim 2 года назад

That was a great find for £1 Ben, well worth a bit of tinkering time - really must stock up on brass brushes - I've got one somewhere!!!!! I got another blow lamp yesterday - didn't need another one, because the last one I got is exactly what I needed, but this latest one is a massive WW2 one!!!

@BensWorkshop 2 года назад

Yes, it was well worth the tinkering time. They are not difficult to work on. On the issue of blowlamps, fantastic! You can never have a big enough one! (Or a small enough one). I have an even bigger one than see in my videos as well. Many thanks for watching!

@Big_Johns 2 года назад

Nice work Ben, it did free-up nicely. 👍

@BensWorkshop 2 года назад

Many thanks. Once you know where to adjust and clean you can get them working well. Many thanks for watching!

@Big_Johns 2 года назад

Yes sir and anytime brother.

@NellsMechanicalManCave 2 года назад

Bargain find there Ben, nicely done 😁😁😁

@BensWorkshop 2 года назад

Cheers! If you know how to fix things there are lots of bargains out there.

@savedemperor8024 3 дня назад

Can such channel locks be used in a similar way you did with the screw when the spindle is seized but grabbing the spindle through some paper?

@BensWorkshop 3 дня назад

Do you mean to grab the thread? If so, quite a bit of paper or some scrap leather, but yes. With stuck threads it can be better to work back and forth and with plenty of oil. Hope that helps. Many thanks for watching, please like, share and if you like the channel, subscribe!

@savedemperor8024 3 дня назад

@@BensWorkshop Yeah the part of the screw that's where the tip is, i think that there's a small amount of rust on the spindle and area where the lock nut is located, i tried to move the thimble with my hand but it only was slipping on the screw

@BensWorkshop 3 дня назад

Be careful, work it back and forth, put lots on 3 in 1 on. If you have some scrap soft leather use that otherwise lots of paper. Good luck. Also don't squeeze too hard.

@send2gl 2 года назад

That was a bargain for a pound. Check your feeler gauges now 😂😎

@BensWorkshop 2 года назад

Cheers, certainly was a bargain, but it goes from 1 to 2 inches so not a lot of use for feeler gauges! I do have 1/10,000" 0 to 1 inch micrometers which will read a feeler gauge to 1/10,000ths of an inch though. Many thanks for watching!

@MarkMcCluney 2 года назад

Working as a physics technician in a local school, I had to repair and recalibrate abused mikes every day! Boy, did I get sick of micrometers...

@BensWorkshop 2 года назад

I can believe it! If cared for they work well, and need little adjustment.... If not, I dread to think! Many thanks for watching!

@houseofbrokendobbsthings5537 2 года назад

LOL Ben you best go buy a lottery ticket for how lucky you were with that breaking loose. Very nice job. Very heartbreaking seeing nice instrument treated so unfairly.

@BensWorkshop 2 года назад

It is heartbreaking seeing such fine tools so abused, one of the reasons why I bought it. Works correctly now though. Many thanks for watching!

@23davidian96 Год назад

What oil should I buy if i want to do the same? Would WD-40 clean out the rust just as well?

@BensWorkshop Год назад

I use 3 in 1 oil for that sort of job. Water Dispersant 40 is good for dispersing water, and with a brass brush might well work but 3 in 1 oil will also work and lubricate as well. Many thanks for watching, please like, share and if you like the channel, subscribe!