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PostPosted: Thu Jan 30, 2014 8:50 am 
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I am just putting some finishing touches on the last two pieces I decided to make for my Falcon T50 which will be used on my 12FPE (Vortek) TX200 HC for WFTF piston class

First off is a over sized elevation knob, this will hopefully eliminate having to turn more than 1 full rotation as well as allow for easier layout of my yardage markings on the elevation knob. This was a test piece, I will be adding some more holes from the top face thru to help with weight reduction as it currently weighs in at 4.65oz...For its size, I think thats too much
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Second piece is a large side wheel for adjusting focus. This is the biggest sidewheel I have made yet coming in at just over 6.8" diameter on the out side, and about 6" diameter on the wall where the yardage markings will be placed. The thickness of the face as well as the wall thickness was kept to only 0.100" everywhere except the mounting hub, my plan worked as it is quite light for its size, tipping the scales at only 5.85oz. I would like to see this combination of parts only weighing 8oz together, should be doable...
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:drinkers:

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PostPosted: Thu Jan 30, 2014 5:29 pm 
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Looks like a Bicycle Front Sprocket.
Should it have sharp edges?
Got a Production one of 5 inches, the outer circumference is round scallop.
You have the outer flats for the Indexes Marks, I can see.

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PostPosted: Thu Jan 30, 2014 10:49 pm 
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2240mod wrote:
Looks like a Bicycle Front Sprocket.
Should it have sharp edges?
Got a Production one of 5 inches, the outer circumference is round scallop.
You have the outer flats for the Indexes Marks, I can see.


There are no sharp edges, it has been fully deburred


Yes I left a wall about 5/8" tall to put my yardage markings on, next step will be making some pointer for the sidewheel and elevation cap

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PostPosted: Fri Jan 31, 2014 1:18 am 
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I assume a simple detent holds those in place?
I made oil filler, water, windshield washer, power steering caps for my last vehicle. They were all compression fit!
I like your idea Jgoodz420 on the elevation caps. Might have to make one! But marking it might be the troublesome part for me. Have a conventional two axis lathe I run.

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PostPosted: Fri Jan 31, 2014 1:24 am 
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Lol... Watching the beasts at work run with 6-7 axis, I just get jealous... I'm blessed with a 4 axis toy at home.

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PostPosted: Fri Jan 31, 2014 8:27 am 
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rrdstarr wrote:
I assume a simple detent holds those in place?
I made oil filler, water, windshield washer, power steering caps for my last vehicle. They were all compression fit!
I like your idea Jgoodz420 on the elevation caps. Might have to make one! But marking it might be the troublesome part for me. Have a conventional two axis lathe I run.


It is just a M5 set screw, I will be cutting a piece of round stock in half to fit in the grooves on the outside of the scope knobs, then the grub screw will tighten against the flat. I just mark which groove I have it set in and I can relocate (either) to where it was if I have to take them off for any reason, which is quite likely...

Marking is a pain without a CNC lathe, essentially you would have to determine and test all your ranges, mark them manually, then determine the angular graduations and etch them in using a indexing head, or just eyeball your markings once setup on the indexing head. There is software to assist with doing this sort of thing. I also plan to cut a single thread around the turret knob, using the pitch of the elevation knob adjustment screw (1 full rotation of the knob; for those who don't know what "pitch" means) So I can have pointer that will follow that line exactly, until I am more than a full rotation out in either direction

The sidewheel was made on a 3-axis vertical CNC mill and the elevation cap was made on a 4-axis horizontal CNC mill

:drinkers:

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PostPosted: Fri Jan 31, 2014 8:31 am 
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DerekVinyard wrote:
Lol... Watching the beasts at work run with 6-7 axis, I just get jealous... I'm blessed with a 4 axis toy at home.


We have a 9-Axis lathe, dual lathe chucks plus a milling head...pretty fun to play with :)

Really want to get something for at home as well, but not any time soon...

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PostPosted: Fri Jan 31, 2014 3:52 pm 
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Our company won't spend the money to upgrade to anything more then 3 axis for mills! They really should!!!

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PostPosted: Fri Jan 31, 2014 6:29 pm 
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rrdstarr wrote:
Our company won't spend the money to upgrade to anything more then 3 axis for mills! They really should!!!

Even just a 4-axis allows work to be done (drilling, reaming, milling etc) on two faces...easily worth the money when you can do face and side holes in one setup

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PostPosted: Fri Jan 31, 2014 7:00 pm 
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jgoodz420 wrote:
rrdstarr wrote:
Our company won't spend the money to upgrade to anything more then 3 axis for mills! They really should!!!

Even just a 4-axis allows work to be done (drilling, reaming, milling etc) on two faces...easily worth the money when you can do face and side holes in one setup



All the machinist know that, but convincing management to part with $300,000 is the hard part!

Derek, what is your machine at home?

I am thinking of getting the larger Smithy so I can do work at home and not on my breaks and lunch time!!!

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PostPosted: Sun Feb 02, 2014 3:01 am 
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Each is made with a few slight variations so no two are exactly the same. I was successful in cutting the weight just about in half from the 4.65oz my test piece weighed 8)

Version 2.0 - M10 & M6 reams for weight reduction - Weight 2.35oz

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Version 3.0 - M8 & M6 reams with a knurled step on the top - Weight 2.6oz
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PostPosted: Sun Feb 02, 2014 12:38 pm 
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Version 3.0 is being held for someone and the other one is mine :lol:

I have 2 Version 2.0's available for purchase - $50+shipping, fits Falcon T50 10-50x60mm scopes

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PostPosted: Mon Feb 03, 2014 8:37 pm 
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All are sold...

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PostPosted: Tue Feb 04, 2014 5:34 pm 
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Was that $50 just for the two elevation/windage caps?

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PostPosted: Tue Feb 04, 2014 5:58 pm 
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Why? You wanna buy one? lol

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