New Wiggler-Quick Question

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New Wiggler-Quick Question

This topic has 7 replies, 5 voices, and was last updated 30 December 2021 at 19:42 by Chris Mate.

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30 December 2021 at 16:29 #11067
Chris Mate
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@chrismate31303
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30 December 2021 at 16:29 #577559
Chris Mate
Participant
@chrismate31303
Hi, I recently bought a new Wiggler set.

Today I wanted to use it and found the following:
–I noticed the stiffness…
1-2 of the probes, the one with the sharpest point and the mone with a flat point, both of them the balls mounting in the holder seems not to run true and correct at the ball.
-If I mount the wiggler in the drill press and run it at a higher speed, I can get the sharp tip to run still, however then the stem to the ball runs out of true towards the ball. Can I trust this wiggler if it behave like this-?

2-The probe with the small & large ball, runs true at the large ball in the holder, and I get the small ball to run still. This one seems ok.

Should I return this set and buy one from another dealer, or does what hapopens at the ball in holder not influence the end result reahing a still running tip point(The point running still only)-?
30 December 2021 at 16:36 #577562
Emgee
Participant
@emgee
Chris

If you bought a very cheap set you can improve the operation by lapping the probes into the ball joint, I don't use my similar very often but do not run it at high RPM when I do as the flailing stem stays in the deflected position.

Emgee
30 December 2021 at 16:40 #577563
JasonB
Moderator
@jasonb
What the ball and shaft do does not affect the way they work.

If you are running at high speed and getting the points true you probably have the ball's socket a bit tight as at high speed they will swing outwards as Emgee says.
30 December 2021 at 16:54 #577569
SillyOldDuffer
Moderator
@sillyoldduffer
I think it's OK

The stiffness is a compromise. Too loose and the wiggler might fly off, too stiff and it may not balance on the axis. My set is adjustable by slackening or tightening the holder.

The ball at the chuck end doesn't need to be particularly true. Wigglers work by balancing around the spindles spinning axis, which means the free end is correct when the point is stable. The other, fixed, end doesn't matter.

I rarely use my wiggler set! Instead a dress-pin (type with plastic ball on the end) in a blob of modelling clay is stuck to the end of the cutter or drill.

Dave

Edited By SillyOldDuffer on 30/12/2021 16:54:51
30 December 2021 at 18:29 #577594
Chris Mate
Participant
@chrismate31303
Thanks for the replies, the free end that matters is interesting, because I can just see the shaft is not properly in the ball towards its centre, so its interesting that that does not matter.

I used a small ruler to stabilise the tip, and know about the 1000 RPM speed, but could not find the info I was looking for.

If you got the wiggler deatailed theory theory somewhere linked I can read up on that, I would like to do that. I don't have a DRO yet so boaught a set it was cheap, still buying the other stuff 1st.

Edited By Chris Mate on 30/12/2021 18:30:49
30 December 2021 at 19:34 #577613
Trevor Johnson 1
Participant
@trevorjohnson1
Chris Mate, have a look on You Tube, plenty of videos showing how to use it there.

Using wiggler on a mill will find you some.
30 December 2021 at 19:42 #577616
Chris Mate
Participant
@chrismate31303
Trevor Johnson 1: I am fimiliar how they work, but now that I bought a set for the 1st time, My question was about what seems to me a manufacturing fault, it looks the stems at the ball that fits into the holder was not inserted in a hole that points to the centre of the ball, so when it turns it looks "off centre" at the ball. So apparently that does not effect the end result which is you get the tip stabilised and then that is the centre of the spindle, which you then aim at your mark on part, and if you marked correctly the hole drilled will be around the mark in my case the centre.
This is how I understand it now. I also seen its can be dangerous to fingers and hands.
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