how to automate/semi automate : guiding a thread through a hole in a plastic part

JayVee · Feb 14, 2017

Hello everyone,

I have a challenging task which involves developing a new production process where we are required to guide a thread through a hole in a plastc part and from the other side we have to secure the thread by means of a knot of the thread or joining with a plastic part so that the thread does not return through the hole.
The thread is part of a manual emergency switch of an actuator mechanism which is required when the actuator fail to function automatically.
I am looking forward to hearing interesting ideas from experts out here.

Thanks and Regards
JayVee

MikeHalloran · Feb 14, 2017

Sometimes a puff of air is all it takes.

Failing that, a 'needle threader', usually comprising a diamond shaped loop of music wire, is pushed through the eye of a needle, opens itself to form an aperture large enough to stuff the thread through, then the loop is withdrawn and drags the thread with it.

Mike Halloran
Pembroke Pines, FL, USA

IRstuff · Feb 14, 2017

Mike's approach is VERY reliable; I use a needle threader to thread needles whenever I need to do sewing.

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

https://www.youtube.com/watch?v=BKorP55Aqvg

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JayVee · Feb 15, 2017

Thanks Mike.

I have to test it though. The hole diameter is 1 mm which makes it challenging.

Regards
JayVee

Compositepro · Feb 15, 2017

1 mm, that is a huge eyelet for a sewing needle. Check-out your local sewing supply or Walmart. These threading tools cost about a dollar.

IRstuff · Feb 15, 2017

Yesh, Walmart is absurdly expensive. You can buy 50 of them on eBay for under a buck:

http://www.ebay.com/itm/Lots-50pcs-...154101?hash=item568f58e0f5:g:lYAAAOSwImRYDrpI

There are more complicated versions:

http://www.ebay.com/itm/3pcs-Set-Ne...231611?hash=item2ef80f0d3b:g:GA0AAOSwP~tW4NEg

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

https://www.youtube.com/watch?v=BKorP55Aqvg

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how to automate/semi automate : guiding a thread through a hole in a plastic part

JayVee

Mechanical

MikeHalloran

Mechanical

IRstuff

Aerospace

JayVee

Mechanical

Compositepro

Chemical

IRstuff

Aerospace

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