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Thread: Dropped my test indicator
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21st February 2014, 05:13 PM #1SENIOR MEMBER
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Dropped my test indicator
While setting up the new chuck on the Scahublin 102 I knocked my CTC test indicator and it crunched onto the lathe stand.
Dead as a Dodo - no movement, so I thought that was cactus.
Too bad, at least it was only a cheapie, so I ordered another bit more up market cheapie from CTC and that was that.
Anyway, the next day I was looking at the broken indicator and wondered if it was repairable. This type of thing generally never works again after I open it up, but I thought why not have a go.
So I got the tiny cover screws out and then the ones that hold the mechanism cage in place, and straight off noticed a long spring that was not connected. The jarring had bounced it off it's peg.
Put it all back together, and it actually works good as new.
Who would have thought that ?
Might have to get myself a set of small watchmakers screw drivers for this sort of job.
So now it looks like I will have two test indicators
Will have to send the Pope an email as this definitely qualifies as a miracle.
RobThe worst that can happen is you will fail.
But at least you tried.
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21st February 2014 05:13 PM # ADSGoogle Adsense Advertisement
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21st February 2014, 05:42 PM #2Pink 10EE owner
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21st February 2014, 11:13 PM #3GOLD MEMBER
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Hi Rob,
That's uncanny!
I have a measuremax DTI that I dropped onto the chip tray of my lathe a few months back. It broke so I too took it apart. I couldn't see any damage but it did appear as though a spring or something was missing that held the catch against the lever. I never found that mythical spring, so still it sits gathering dust in a drawer!
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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22nd February 2014, 09:23 AM #4SENIOR MEMBER
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Hi Simon,
Yes, mine just hit the drip tray with the probe.
Makes you wonder if a Mitutoyo would fare any better.
I did notice after reassembly that it's critical to get the two locating pins for the probe fulcrum just right for side play/thrust on the offset bush at the pivot point.
This bush sets/stops the side play and makes the little cam gear on the internal lever align with the roller gear in the mechanism.
Cheers
RobThe worst that can happen is you will fail.
But at least you tried.
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22nd February 2014, 10:16 AM #5
Have done the same thing with the Starret DI I have after servicing my chuck and retesting it last week. Bumped the magnetic mount while it was off and away the whole lot went onto my lap and floor bound As far as I could tell it only hit the side and face of the DI, still it was not working as it should. Pulled it all apart the and undone a few things re-aligned them and all is well again.
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22nd February 2014, 10:19 AM #6future machinist
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A Mitutoyo does not fare any better. I dropped a .0001" indicator onto my surface plate it still works but you can feel stick inside so I don't trust it no more
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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22nd February 2014, 10:52 AM #7
Andre I am a newbie and bought the Starret 2nd hand it was sticky when I got it, also the face was loose. I decided to have a go and open it up. To my surprise I found fine grit inside and yes the needle was sticking. A good clean was all it required. In doing that it gave me the confidence to again open it when I dropped it, One to check for bent shaft, Two to adjust and clean again.
Then I used to as a kid open old watches and clocks up and explore the inner workings.
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22nd February 2014, 11:28 AM #8Distracted Member
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How come no-one takes photos when they have these things apart?
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23rd February 2014, 07:39 AM #9
Bryan I did the first time although not complete dismantle it is open to clean it I used a small paint brush and lint free cloth.
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23rd February 2014, 07:47 AM #10Philomath in training
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I hear the infestation of chronic camera shortage syndrome (CCSS) once confined to certain areas of Victoria is spreading northwards. I think we are safe in SA, NT, TAS and WA due to the natural barriers separating us but it shows the importance of border security and quarantine. Be alert but not alarmed!
Michael
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23rd February 2014, 10:38 AM #11I think we are safe in SA, NT, TAS and WA
On the other hand, maybe this is a security measure to try to thwart the insidious creep of this terrible infestation. I need to think long and hard about this whole matter. You have certainly given me food for thought.
Be Alert! Your country needs more Lerts.
Dean
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23rd February 2014, 11:27 AM #12
I dropped my CTC dial test indicator with the mini mag base attached. It landed on the tip of the probe. The probe broke clean off. End of the road.
Dean
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23rd February 2014, 05:05 PM #13SENIOR MEMBER
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Have you noticed that all greenery, trees, shrubs etc stops at the Vic border as you enter SA.
It's almost like, OK the rest is just desert from here on, this is far enough, let those South Aussies have that crap country, whack up the border sign, and lets get to the pub for a beer.
Victorians.
RobThe worst that can happen is you will fail.
But at least you tried.
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23rd February 2014, 06:57 PM #14
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24th February 2014, 02:29 PM #15GOLD MEMBER
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I was under the impression that Adelade was only 1/2 behind vic. Last time I visited it seemed more like 50 years....
Simon
Sent from my GT-I9195T using TapatalkGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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