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Fórum » Only in English » Technologies » Tangential Knife blade holder. (The simplest solution that came to mind.)
Tangential Knife blade holder.
tweakie Dátum/Date: Péntek, 2012-07-13, 06:31 | Üzenet/Post # 1
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I needed a new blade holder for a tangential knife which would enable relatively quick and easy blade change and positional setup. With just a couple of hours to spare, whilst another CNC job was running, this was the result.

Tweakie.



Csatolások/Attachments: 1944213.jpg(38Kb) · 7431815.jpg(43Kb) · 6758717.jpg(38Kb) · 1997671.jpg(29Kb)


Success consists of going from failure to failure without loss of enthusiasm.
 
Amatőr Dátum/Date: Péntek, 2012-07-13, 08:10 | Üzenet/Post # 2
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tweakie, nice work again! That's why so good if You have machines to create a useful part from a piece of metal.
What do You plan to cut with this tool? Will it be a vinyl cutter?


H1i.hu
 
tweakie Dátum/Date: Péntek, 2012-07-13, 16:45 | Üzenet/Post # 3
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Hi Amator,

There is a gasket material which I am unable to laser cut so thought this may do the job.
It will need a little help and although I have never used ultrasonics before, how hard can it be ??

This is the Sonotrode it will be mounted to.

Tweakie.

Csatolások/Attachments: 1922943.jpg(33Kb)


Success consists of going from failure to failure without loss of enthusiasm.
 
richy92 Dátum/Date: Péntek, 2012-07-13, 17:06 | Üzenet/Post # 4
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Hi Tweakie!
This is a very beautiful and great work.I'm congratulations.
 
tweakie Dátum/Date: Vasárnap, 2012-07-15, 09:26 | Üzenet/Post # 5
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Thanks Richy.

The Sonotrode dimensions have been calculated on the assumption that sound will travel through this particular grade of aluminium at 5100m/sec. If that is not the case then it is back to the drawing board. biggrin biggrin

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
tweakie Dátum/Date: Szombat, 2012-07-28, 11:23 | Üzenet/Post # 6
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As it’s all part of the same project I thought perhaps these pics of the bearing housing may be of interest.

Stage 1 was to centre drill the 6 holes and (1mm undersize) profile the bore on the mill.
Stage 2 was turning the OD on a lathe.
Stage 3 was manually drilling and tapping the 6 holes and finishing the bore to a bearing fit.

Tweakie.





Csatolások/Attachments: 7514544.jpg(41Kb) · 0234908.jpg(35Kb) · 3354758.jpg(44Kb)


Success consists of going from failure to failure without loss of enthusiasm.
 
Amatőr Dátum/Date: Vasárnap, 2012-07-29, 08:58 | Üzenet/Post # 7
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tweakie, nice work again!
The closest ultrasonic thing to me is a little cleaner, I don't know too much about them.
This sonotrode is new for me, I was looking for infos on the net, but I cannot see exactly how they work.
What I could figure out that the shape of this part is very important to send the energy to the work area.
You still need an ultrasonic generator plus a head to create the waves don't You?
How will this cut through the material with a micron size stroke?
Very interesting project, I'm curious for continuation!


H1i.hu
 
tweakie Dátum/Date: Vasárnap, 2012-07-29, 09:18 | Üzenet/Post # 8
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Hi Amator,

I am 'learning as I go' and fortunately have plenty of time before the project needs to be completed so plenty of margin for 'trial and error' biggrin

Initial testing will be with a 2 element transducer (like they fit to the cleaning baths) but a 4 element device will be used with the finished design. With luck, I will have some spare time next week to make some more parts biggrin

Tweakie.

Csatolások/Attachments: 7443077.jpg(28Kb)


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Amatőr Dátum/Date: Vasárnap, 2012-07-29, 09:28 | Üzenet/Post # 9
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tweakie, good luck to the tests!
I'm waitig the results.


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tweakie Dátum/Date: Vasárnap, 2013-02-24, 12:10 | Üzenet/Post # 10
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Hi Amator,

It has been a while but the project was put on hold soon after it was started.

The good news is that the company producing the dies for cutting the gaskets did a re-think on it's pricing for the design change modifications.

The bad news is that Mach3 has a problem with it's Tangential Control tool-path generation. Once this is fixed it is likely that the project will be back on again.

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
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