O/T Tap Drill Calculator Freeware

[Rekd™]

I've recently been running many jobs with xxxx sized threads that are not found on most Tap Drill Charts. As you may know, finding the tap drill size for a #10-64 tap may be a bit of a challenge.

 

My solution? Create a 'chart independant' application that will calculate the required tap drill size given the tap's major dia, the desired percentage of thread, and the TPI or Pitch of the tap.

 

It will calculate for Inch Cut and Inch Form, as well as Metric Cut and Metric Form taps.

 

There are 2 different downloads; The small one is just the executable, for those that already have the VB6 Runtime libraries, and the larger one has an install program. They can be found at cadcam's FTP site under Unspecified Uploads as Tap Drill Calculator.zip and Tap Drill Calc Setup.zip.

 

Enjoy it and please post a comment if you try it out.

 

 

'Rekd

[Eric S.]

That is realy cool Rekd! I'll go download it and give it a try. Thanks for sharing it!

 

Eric

[Toolfab]

This could not be better timing Matt. I just got a cartoon that required a 5/16-30 tap

 

Your calculator worked flawlessly!!!!!!!!!!!!!

 

Once again, you are the man. Thank you!

 

there's a rum and coke from me

[Lathe-Mill]

Thanx for sharing, very nice tool..

 

 

! question !

 

how vbscripts work ?

how do they get activated?

 

[ 12-11-2003, 02:18 PM: Message edited by: Lathe-Mill ]

[robk]

Would one of you guys mind e-mailing me the the file...Pleeeaaaseee.

 

Thanks,

 

Rob

[Toolfab]

Rob, check your email.

 

 

[Rekd™]

Lathe-Mill,

 

VB Script is scaled down version of the Visual Basic programming language. It does not create a compiled application, (.exe, or executable). It runs via the Windows Scripting Host, which is free. It has the ability to be used in applications like Word, Autocad and now Mastercam.

 

The calculator I made is done with Visual Basic, not VBS, so it is an actual application.

 

You can run scripts by double clicking on the script in Windows Exploder, or by calling it from an application like Mastercam.

 

HTH

 

Robk, do you have the VB6 libraries? Or do you need the install program?

 

'Rekd

[Toolfab]

Dont the VB6 Runtime libraries come with all Windows OS's after ME?

 

I thought they did. But I am usually wrong...lol

[mayday]

quote:

---

Would one of you guys mind e-mailing me the the file...Pleeeaaaseee.

---

me too me too

[Toolfab]

Check your email Mayday!

 

[Bullines]

quote:

---

Dont the VB6 Runtime libraries come with all Windows OS's after ME?

---

I made a launcher/stealth copier for a video game publisher for one of their promotional CDs a few years back. I intended to use VB but I soon discovered that the VB6 runtimes are not part of a clean Win95/Win98/WinNT/Win2000 install. I instead created an MFC-based application using Visual C++ because mfc42.dll is part of every Windows install. Lesson learned (and two days wasted trying to test all versions of Windows).

 

I'm not sure about Windows XP or ME but I would think that they do not on clean installs. Anything that requires the VB6 runtime (recent versions of Office, for example) would probably install it.

[robk]

Thanks Paul

 

Sorry couln't get back to you earlier... Meetings all day.

 

Rob

 

[ 12-11-2003, 03:10 PM: Message edited by: robk ]

[mayday]

Big Thanks Toolfab.

 

Very nice App Rekd. this will come in handy

 

 

mayday teh oh to be a real grammer

[Harryman]

Thanks Dude. Very cool.

[Rekd™]

Glad you folks like it.

 

I've got a few ideas on changes I'd like to make. Saving the last mode used, (Inch, MM etc), is first on my list.. If you have any other suggestions, let 'em fly!

 

quote:

---

there's a rum and coke from me

---

'Rekd teh *sip* *sip*

 

[ 12-11-2003, 06:05 PM: Message edited by: Rekd ]

[Heavycut]

quote:

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Would one of you guys mind e-mailing me the the file...Pleeeaaaseee.

---

Could I also be e-mailed the file - It would be GREATLY Appreciated

[email protected]

[Rekd™]

Download it here..

 

Executable only.. VB6 Runtimes Required

 

Setup program, no runtimes required

 

'Rekd

[Mick from CNC Software Inc.]

Nice job Rekd

[Mgrenier]

Rekd,

 

First of all, let me say that it works great.

 

quote:

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Enjoy it and please post a comment if you try it out.

---

Just wondering if it would be too much work to let us write equations in the major tap diameter and calculate them. I am asking because I guess that I am too lazy to get my calculator to calculate before hand.

 

Just my opinion,

 

Have a nice day,

[robk]

'Rekd,

 

Special thanks on the calculator. Just created a metric tap operation library. Saved me a ton of time. Now, anything there for pipe taps?

 

Thanks

 

Rob

[mayday]

quote:

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please post a comment

---

how about a "enter a RPM" box with an output of IPM and or pitch in metric and ISO

 

kinda like this

 

m5 x .08 metric tap

programed in inch

RPM=500 IPM=15.748

 

sorry you asked

[Roger Peterson]

Here is the equation I have always used for standard tap sizes:

 

tap drill dia = major dia - (1.3 * .75 / tpi)

 

What did you use for metric taps? I have always just subtracted the pitch from the diameter to obtain the tap drill size.

 

Looks cool!

[robk]

quote:

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What did you use for metric taps? I have always just subtracted the pitch from the diameter to obtain the tap drill size.

---

Roger,

 

Most of the sizes I have gotten were from charts, mastercam metric library, and machinery's handbook. For the sizes that weren't available, or the tolerance were different than the 75 % stated in most places, this is the formula I have been using .

 

Tap Drill dia = Major Dia - (1.08253 * pitch * .75)

 

I can't remember where I got the formula now, but it works just fine.

 

Rob

[maestro]

Nice tool. Thanks Rekd.

[jrykrl]

Thanx rekd, that awesome, I'll buy ya a beer at westec!!!!

Jer