BallReviews

General Category => Drilling & Layouts => Topic started by: channel surfer on January 31, 2004, 12:03:53 AM

Title: Drill Press
Post by: channel surfer on January 31, 2004, 12:03:53 AM

What size drill press do you need to be able to drill through a ball? How much would it run?
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Title: Re: Drill Press
Post by: TheBowlingKid25 on January 31, 2004, 03:05:14 PM

BIG and alot!
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Title: Re: Drill Press
Post by: channel surfer on January 31, 2004, 03:14:13 PM

1/2 hp, 1 1/2 hp?? How many horsepower is needed to get through the ball? Would a 12" drill press do the job? Or is a 16" the minimum?
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Title: Re: Drill Press
Post by: channel surfer on February 01, 2004, 03:52:11 PM

ttt
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Title: Re: Drill Press
Post by: LuckyLefty on February 02, 2004, 11:16:08 AM

The key factor is throat length.

The 12 inch figure above is minimal.
It means that it can drill into the middle of 12 inch object.

A bowling ball has a diameter of 9inches.  Therefore since a 12 inch throat drill press is really 6 inches from throat to center of drill bit you have 1.5 inches to play with.

Also are you going to put on table then you are ok.

I use a 17 inch throat drill press.  Also with 4 5/8 inch spindle travel.
That is very important too.  Remember thumbs are drilled to 2 3/4 depth.
The 4 5/8 travel is allows one to remove drill bits without taking the ball out of the jig.

If you don't want to pay and arm and a leg for specialty bowling stuff.
Do what I did.  I got a drill press delivered to my house from
www.deltawoodworking.com.  Great delta drill press. described above.

Got a jig off this site used. and also got the drill bits off this site used.

Good luck.

REgards,

Luckylefty
PS sometimes ebay will have good drill presses or jigs for sale.

Title: Re: Drill Press
Post by: jkiser01 on February 02, 2004, 11:24:46 AM

there is a good one on ebay right now and no reserve..

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=2905&item=3658362461

JK
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If they only made a ball that would carry that d*mn 10 pin..

jkiser01

Title: Re: Drill Press
Post by: channel surfer on February 02, 2004, 01:16:19 PM

Dont you need a milling machine also to drill ovals?
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