That Sir is a fine looking mold. I think I'll try my hand at one of these. I'm sure I'll have a question or two for you as I go at it.
That Sir is a fine looking mold. I think I'll try my hand at one of these. I'm sure I'll have a question or two for you as I go at it.
Life's hard, even harder if your stupid.
Lot of questions to answer here....
First off
Longbow - I wanted to make this mold 'the right way' with a pin just as you said.
Such a pin would not fall out and one could make it have the shape of the bullet nose.
But that mold is what you get when you have no tools other than a Drill Press
and a bench grinder.
I actually consider spending $400 on a small 7" x 10" Harbor Freight toy Lathe !
http://www.harborfreight.com/7-inch-...the-93212.html
With one of those UBIQUITOUS 20% off Harbor Freight Coupons that you
find in almost every magazine, it would be $400 plus shipping.
BUT....I'd use it once every two years ! I'd rather put $400 on another
Black Powder Rifle.
I did buy one of these things to attempt turning my Drill Press in to a Half-Arsed Milling
Machine !
http://www.harborfreight.com/6-inch-...ise-32997.html
We'' see what I can do with it.....
Longwood - "One never knows when a "Doo Dad" will come in handy."
Absolutely ! I have an entire garage full of them ! Can't walk in there except
in a tiny path on either side.
My Dad got several cubic feet of floor sweepings "Nuts & Bolts" from the
Radio Company he was Chief Engineer of (Hallicrafter's Radio) for a pitance back
in the 50's.
Many factories will collect dropped 'doo-dads' from the assembly lines and sell the
accumulated items to their employees for a nominal cost, rather than spend any
money on sorting the stuff out and re-using it.
I inherited the Boxes.
OMG ! They are worth their weight in Gold ! I use them constantly. Just wish there
were Metric items in it ! All American threads.
The Ball is some STEEL "Knob" that I had in a box. Heavy. Useless. Another 'Doo Dad'
gathering dust for YEARS.... Caught my eye and now it is "My Precious".
I considered either a 1/2 Nut or a piece of heavy scrap metal, but this Ball is more
esthetically pleasing to the eye. A big scrap Ball Bearing would work - from a wrecking yard !
Wrecking Yards are God's Gift to "Doo Dad" collectors - Heaven !
Can spend hours walking thru one with a basket to hold all the items I find for my 'Doo Dad'
collection...can you take your 'Doo Dads' with you when you die ? Might need them in Hell !
plmitch - I am not the person to ask any questions of ! I know squat...
But post them here and several of these fine gentlemen can help you, I am sure !
DoctorBill
Last edited by DoctorBill; 02-05-2012 at 09:08 PM.
I would just like to ask -
WHOM does our Current Government represent, anyway ? !
It sure as Heck doesn't represent ME ! How about you ?
Seems to be just a Big Mafia run by the current set of criminals in office.
Have we EVER been this close to losing our Country ? !
I use Paint.net (Free Public Program) to label and edit Photos on this Forum.
I have a lot of Doo Dads also, but no metal balls.
Good idea but I would love to know if it is made from steel or possibly alluminum.
I have some steel balls but nothing that will even dent them.
I have some wood balls I found in the hobby section of Walmart that I had to buy a pack of in order to get one. I will put one on my pins in the future.
Go into a good Hardware Store and look in the Cabinet Knob section.
Some interesting things there.
A Metal Recycling Yard has things you'd never dream of finding !
For their cost in weight in Iron or Brass or Aluminum....
Then there is the everlasting never a wasted moment Garage Sale !
I look into those boxes of scrap metal stuff that OLD GUYS usually have
and that the women avoid like the plague !
Usually "The Whole Box" for 50¢.......Treasures !
If you go to Garage Sales early in the morning, you'll find old grizzled guys in dirty old
overalls who have scraggly beards and drive old rusty pickups going
thru those boxes of old parts, tools and 'Doo Dads'....and haggling over the 50¢ prices !
In the wasteland after the Nuclear War, those guys will be ruling the world.
DoctorBill
Last edited by DoctorBill; 02-05-2012 at 10:02 PM.
I would just like to ask -
WHOM does our Current Government represent, anyway ? !
It sure as Heck doesn't represent ME ! How about you ?
Seems to be just a Big Mafia run by the current set of criminals in office.
Have we EVER been this close to losing our Country ? !
I use Paint.net (Free Public Program) to label and edit Photos on this Forum.
DoctorBill:
I have a small beat up old Craftsman lathe. I really should re-build it as it is quite sloppy but does the job for now.
I know what you mean about tool usage. I am a hobby machinist and not a great one. I have debated buying a better lathe but am too cheap. I will eventually re-build the one I have. I may buy a small milling machine but as you say, if it isn't going to be used regularly then why bother, the money is better spent on guns, moulds, etc.
I have friends that are outstanding machinists but I am not. I get by is all.
For just the basic tools you have that is a very nice mould so don't sell yourself short, you did a good job and I am sure it will work just fine.
As for steel balls, ball bearing balls work fine. Old ball bearings are readily available and can be annealed in a BBQ or with a propane torch. Once annealed they can be drilled and tapped or whatever and polished with emery cloth.
Doo-dads ! Yes, I have a few too. There is magpie in me as well. Anything shiny or that may have some remote possibility of being used for something I haven't though of yet gets thrown onto the pile. It is a disease!
You are right, women just don't understand... but then why do they need all those shoes?
Longbow
where can you find endmills that look like the third one from the right in the header from THIS companies site?
I can't even find what they are called!
Try this place. Request a catalog online.....
http://www.grizzly.com/search/search...974693871249.5
I ordered the BALL End Mill for Aluminum - that I used on the mold in this thread - for $8.95 !
http://www.grizzly.com/products/Ball...-1-Flute/G9668
nanuk - I think what you are looking for is called a "Rotary Burr" - look here:
http://www.grizzly.com/search/search...45005665812534
and here
http://www.sgstool.com/products/burs.asp in 'Moldmaker, Tool & Die', which leads to this:
http://www.sgstool.com/catalogs/PDFs...std_Bur_SF.pdf
Maybe THAT is what I need to make a nice shaped bullet head ! THANKS !
Just need to find one in 7/16 diameter....
Is there another name for "Tree Radius" - sounds hokey ! ?
SF4 on this Chinese web site ! Just where do I buy only one of them ?
http://shtotal.en.alibaba.com/produc...ide_Burrs.html
My machinist friend told me that Wood Milling Bits can be used for Aluminum !
Just go slowly.
Now I'm interested in D-Bits....endless fun - a whole New World !
This is more fun than a barrel of 'Doo Dads' !
DoctorBill
Last edited by DoctorBill; 02-05-2012 at 10:55 PM.
I would just like to ask -
WHOM does our Current Government represent, anyway ? !
It sure as Heck doesn't represent ME ! How about you ?
Seems to be just a Big Mafia run by the current set of criminals in office.
Have we EVER been this close to losing our Country ? !
I use Paint.net (Free Public Program) to label and edit Photos on this Forum.
The burrs are not made to drill with.
They jamb if you push them into a hole. They are for making injection molding molds not ones like we use.
Another good place that has practically every machine too is,
www.mscdirect.com
Why are they shaped then ?
My machinist friend says I can use the burr if I pre-drill the hole to maybe
one or two thousandths under what you want.
I just like that Tree Radius shape !
DoctorBill
Last edited by DoctorBill; 02-06-2012 at 01:18 AM.
I would just like to ask -
WHOM does our Current Government represent, anyway ? !
It sure as Heck doesn't represent ME ! How about you ?
Seems to be just a Big Mafia run by the current set of criminals in office.
Have we EVER been this close to losing our Country ? !
I use Paint.net (Free Public Program) to label and edit Photos on this Forum.
If you pick one up and look at the end, the rounded end ones don't really have a good cutting section (probably wrong word). They are designed to cut with the sides, not the ends.
I have been using the burrs for about 50 years.
If you get it to work without turning the mold and solidly mounting the burr so it will not get away from you, without screwing up the mold,,,, I will pay for your burr.
By the way, you might consider using round stock to make the push-out molds with.
It is a lot easier to get them back into the same place in a lathe if you need to.
Last edited by Longwood; 02-06-2012 at 01:48 AM.
DrB. YES, that shape is something I was thinking about.
I have seen endmills with that shape just can't find the reference now.
that burr, with a slow and steady hand, multiple plunges and cleanings could make your hole.
You would for sure have to pre drill it, perhaps with your ball endmill, then maybe another much smaller one to plunge the nose, then plunge the 'TreeRadius" burr.
tree radius refers to the gradual increase in radius, like a large full spruce tree.
when I saw your project that was the exact shape I thought of.
If you try what he said, more than likely, just when you think everything is going soooo well, the burr will cut loose with a sound like a giant, and really pixxed off rattle snake, and the inside of the cavity will instantly look like it was poorly knurled.
Been there, done that, WAAAAY too many times.
Google around, there are lots of places that will grind a endmill for you.
Lots of production machine shops will do it also. You may have to buy more than one and sell some.
Longwood
do you think it would futile to try a burr like that?
I've used them for shaping but never plunging into material without a hole drilled first.
just did some googling
a place that is highly recommended was PT&G.. the same one that makes chamber reamers.
probably cost you $100 but You'd get what you want
Don't believe an old geezer.
Try one in a hole in a piece of metal. It does not need to be as deep a hole, pretty much any hole will do.
The burrs come in very handy for a lot of things so it would not be money wasted to buy and try some.
Get an air compressor and a die grinder that will spin them fast enough or you will get in even more trouble.
Longwood - I tried looking up "Goodsteel" and found a lot of stuff !
Don't mean to be a butt.... I just dislike searching for "...the guy that showed me photos...."
Some folks on these forums have hundreds of threads and posts.....which one is what you want us to see ?
DoctorBill
PS - I think we have gotten "off topic" quite a bit....probably my fault.
Last edited by DoctorBill; 02-06-2012 at 11:42 AM.
I would just like to ask -
WHOM does our Current Government represent, anyway ? !
It sure as Heck doesn't represent ME ! How about you ?
Seems to be just a Big Mafia run by the current set of criminals in office.
Have we EVER been this close to losing our Country ? !
I use Paint.net (Free Public Program) to label and edit Photos on this Forum.
I don't see the point for the ejector, unless you have nothing better to do with your time.
If the cavity is machined correctly, the bullet should just slide out of the mould, once it's cooled slightly. No ejector needed.
RRR
"I Make the part.............................that makes the parts"
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