Vernier

[Onoff]

I've two Verniers, a digital, no name one and a Mauser, manual one.

The "blades" on both aren't thin enough to go into a 1mm circlip groove I've cut.

Any particular (ideally cheap) tool I can buy that'll get in there and measure this?

Cheers

 

[daleyd]

Feeler gauges?

 

[8ob]

Hold a pair of hacksaw blades parallel in the grove and measure between then.

Bob

 

[mtt.tr]

You have one Vernier caliper and one digital.


Thought I'd say it before some other hero says it

 

[mtt.tr]

Measure the circlip before you install then After

 

[Onoff]

Feeler gauges?

I want to measure the diameter of the grooved bit.

 

[daleyd]

Ah sorry I thought you meant the width - didn’t look at the pic!

 

[daleyd]

A set of callipers might be narrower and you could file them down at the tips if needed.

 

[daleyd]

 

[striker]

Will the depth gauge end of the Vernier go in? If so deduct twice the reading from the diameter of the shaft.

 

[Onoff]

Will the depth gauge end of the Vernier go in? If so deduct twice the reading from the diameter of the shaft.

Cheers, that worked! The Mauser Junior tang went in. So 0.9mm deep. Shaft is 12mm dia so 12 - 1.8 = 10.2. Way to go to get to 9mm.

 

[Brad93]

The proper tool would be a blade micrometer to measure the diameter and a groove micrometer to measure the width.

 

[Brad93]

Neither are particularly cheap I'm afraid.

Two gauge blocks would work.

 

[brightspark]

an angle grinder of the edges of a cheap aldi caliper would work fine

 

[ukracer]

Neither are particularly cheap I'm afraid.

Two gauge blocks would work.

View attachment 308702

Also not cheap. Lol

 

[Brad93]

Also not cheap. Lol

I've picked up two sets for not a lot.

 

[Munkul]

Cheers, that worked! The Mauser Junior tang went in. So 0.9mm deep. Shaft is 12mm dia so 12 - 1.8 = 10.2. Way to go to get to 9mm.

That depth at that diameter sounds way off... what sort of circlip is it?

DIN 471 dimensions for a 12mm shaft show a groove diameter of 11.5; +0, -0.11

 

[Brad93]

That is well off. I done some 13mm circlip grooves and they were only about 1.5mm deep max I can't remember now

 

[Onoff]

These, 090MS, sorry I should have said E Type clips:

 

[Munkul]

That makes sense now. I hadn't realised how deep those E clip grooves were! I think I'd be erring on the side of shallower rather than deeper

Why can't you touch off the 12mm OD and use the micrometer dials on your cross slide to get to depth? It's not aerospace work, I assume...