Author Topic: Worden MK 3 tool and cutter grinder  (Read 73148 times)

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #225 on: February 21, 2016, 09:35:15 AM »
I read somewhere that it was a good idea to put something under the grinding wheel to collect some of the dust.  I think I will use this.



It's a metal lid from a cigar box I had laying around.  I will give it a try and see if it is effective.

Vince

Offline tangler

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Re: Worden MK 3 tool and cutter grinder
« Reply #226 on: February 21, 2016, 11:24:37 AM »
Vince,

That's a very nice looking job you've made - certainly nicer than mine!  I made a hub yesterday to mount one of ARC's diamond wheels.  This reminded me that, in the past, I have been confused by which of the hub screws houses the key screw and which is the tightening screw.  I've put a centre pop by the key screw on all my hubs to remind me that this one needs fully withdrawing before trying to remove the grinding wheel from the motor spindle.

HTH,

Rod

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #227 on: February 21, 2016, 11:41:21 AM »
Thanks Rod. Great idea.  I had that same problem yesterday when I mounted the grinding wheel.

Vince

Online sco

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Re: Worden MK 3 tool and cutter grinder
« Reply #228 on: February 21, 2016, 12:18:19 PM »
Vince that really looks like a proper job, really interested to see what you can do with it!

Simon.
Ars longa, vita brevis.

Offline Don1966

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Re: Worden MK 3 tool and cutter grinder
« Reply #229 on: February 21, 2016, 04:16:33 PM »
Vince that really looks like a proper job, really interested to see what you can do with it!

Simon.
Yea and your painting skills are not bad either Vince.......... :ThumbsUp:

Don

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #230 on: February 21, 2016, 04:20:49 PM »
Thanks Simon and Don.

Quote
really interested to see what you can do with it!

Me too.

Vince

Offline zeeprogrammer

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Re: Worden MK 3 tool and cutter grinder
« Reply #231 on: February 21, 2016, 05:40:17 PM »
Well done Vince. Professional.
Carl (aka Zee) Will sometimes respond to 'hey' but never 'hey you'.
"To work. To work."
Zee-Another Thread Trasher.

Online Kim

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Re: Worden MK 3 tool and cutter grinder
« Reply #232 on: February 21, 2016, 07:13:59 PM »
Man, Vince, that is really nice looking!
Are you sure you want to go and get it dirty with all that metal dust and grit?  It looks so shiny and new!  Maybe you should just set it on the dining room table?  :Lol:
Kim

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #233 on: February 21, 2016, 08:43:44 PM »
Thanks Carl and Kim.  Still not finished yet.

Quote
It looks so shiny and new!  Maybe you should just set it on the dining room table?  :Lol:

Kim, don't say these things too loud lest my wife hears you and it ends up next to the Corliss and then I can't get my grubby hands on it. :'(

Vince

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #234 on: March 06, 2016, 10:26:41 AM »
No progress as yet.  Had to go abroad but in the meantime I received the traverse kit.



Not many bits and pieces.  There is also a plastic pipe/tube.  Had a quick look at the instructions.  It is going to be interesting working on the plastic pipe.  This will be the guide tube for the threaded rod.  The OD of the plastic pipe is about 20mm and has a wall thickness of about 2mm.  According to the instructions I need to machine both ends of the pipe to 3/4" and then thread 3/4" X 26TPI.  I was thinking of doing it 19 X 0.5mm instead.

Also I think I will change the threaded rod to a stainless steel threaded rod.

Vince

Offline synergyn9

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Re: Worden MK 3 tool and cutter grinder
« Reply #235 on: March 06, 2016, 10:59:11 AM »
Hi Vince

I've bought the required tap/die and tried the plastic pipe route, failed dismally. I think to do the plastic tube you would need to cut the thread on the lathe.

I've now ordered some aluminium tube of similar dimension and I'm having more success although awaiting a bigger die stock to cut the thread properly.

Let me know how you get on with the plastic tube


Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #236 on: March 06, 2016, 12:00:18 PM »
Hi synergyn9

26 TPI is very close to 1mm pitch and trying to cut a 1mm pitch thread on a tube with just 1mm wall thickness is just asking for trouble I guess.  That is the reason I am going to try a 0.5mm pitch thread instead.  Still not sure if it will work out though.  We will see.

Vince

Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #237 on: March 12, 2016, 05:07:34 PM »
Finally found some time to start work on the traverse kit and made a scrap part worthy of the bin!  It has been some time since I had to throw something out.  I guess my luck ran out.

Yesterday I had started work on the two tube clamp nuts.  I decided to tap them 19 X 0.5mm.  By mistake, I bored the material 19mm instead of 18.5mm!  Today I decided to do them again with aluminium until I find a piece of free cutting mild steel.  I was not sure if I could tap it with such a fine thread so what I did today was more of a test than anything else.

The setup I used for tapping.



The two finished tube clamp nuts.  The piece on the left is the unusable part.



I think I will now cut a female matching thread to see if it is going to work out.

Vince

Offline synergyn9

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Re: Worden MK 3 tool and cutter grinder
« Reply #238 on: March 12, 2016, 05:56:02 PM »
Hi Vince, just finished my traverse kit this afternoon.

As you know I gave up on the plastic tube and went with Al tube 3/4 x 16swg. Other amendment I made was on the handle, instead of a fixed peg, I have it rotating on a countersunk M5 allen bolt

All seems to work well.

Onto diamond wheel kit next and then radius grinding attachment.






Offline vcutajar

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Re: Worden MK 3 tool and cutter grinder
« Reply #239 on: March 12, 2016, 06:17:49 PM »
Thanks synergyn9. Those photos are very welcome.

Vince

 

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