Change tap from IPM to IPR in a Mill

[ujmujm]

I'm trying to edit a 1/4-28 tap feed rate form IPM to IPR is there any way to override the Mastercam speed and feed calculator so I can output the speed and feed I'm looking for ex. .0357 (pitch) IPR and a spindle speed of 300.

[Guest]

Leave it alone and let he post handle it.....

Most modern posts have a switch to change the output

[lowcountrycamo]

Yes there should be a switch in the post for IPR. What post are you using?

[ujmujm]

I'm using CAMplete  and when I select rigid tapping it outputs a G95 I think I figured it out, if I tell it my TPI is 8400 on the define tool geometry page then go to finalize properties page then my feed rate is .0357 (pitch) and my spindle speed is 300 that seems a little goofy but it works.

[Guest]

You WANT to tap (rigid or not) in IPR. I've got an NC Format, MD, CD and Post for CAMplete. It's pretty dialed. MI8 = M00, MI9 = Tool Breakage Check, MI10 = High Speed Mode control. MR10 = WSEC offset (O=None), and drill cycle 19 or 20 outputs a probing primer (Calls the probe, positions theprobe, turns on the probe, then you just hand edit the cycle and arguments, it positions the probe again, then shuts off the probe. The post does nothing, just holds the text. CAMplete works the magic. 

 

Interested? I'll send it to you gratis. 

[BrianP.]

It always amazes me how complicated people make tapping. Don't even need cam to figure out tapping feeds and speeds. Take your TPI x by whatever you want your feed rate to be and done. Example 1/4-28.  28 x 10 = 280 Rpm's  and feed of 10 IPM.  It's how I have been doing it since programming long hand. Works beautifully and it's easy.

[Guest]

28 minutes ago, BrianP. said:

It always amazes me how complicated people make tapping. Don't even need cam to figure out tapping feeds and speeds. Take your TPI x by whatever you want your feed rate to be and done. Example 1/4-28.  28 x 10 = 280 Rpm's  and feed of 10 IPM.  It's how I have been doing it since programming long hand. Works beautifully and it's easy.

and if you define your taps as such and have your post set to output IPR or IPM, you'll get everything nice and clean....

[BrianP.]

35 minutes ago, JParis said:

and if you define your taps as such and have your post set to output IPR or IPM, you'll get everything nice and clean....

Yup and that is how I have it set up. But on those occasions I miss a number it is one of the easiest fixes to do at the machine. No need to do a whole bunch of complicated math.

[Guest]

1/Pitch = Feed.

RPM = WGAF

 

THAT is easy. 

[MIL-TFP-41]

On 4/25/2017 at 5:25 AM, BrianP. said:

It always amazes me how complicated people make tapping. Don't even need cam to figure out tapping feeds and speeds. Take your TPI x by whatever you want your feed rate to be and done. Example 1/4-28.  28 x 10 = 280 Rpm's  and feed of 10 IPM.  It's how I have been doing it since programming long hand. Works beautifully and it's easy.

yea works great till you get some genius operator who decides he can speed things up by changing the RPM to 500 or whatever. Programming in IPR eliminates that.

[Guest]

2 minutes ago, MIL-TFP-41 said:

yea works great till you get some genius operator who decides he can speed things up by changing the RPM to 500 or whatever. Programming in IPR eliminates that.

That was the point I tried to make, set your taps up right the first time and they output properly with IPR or IPM....

If you long eared galloot changes the speed in IPM not understanding, then he is a moron...

[So not a Guru]

18 minutes ago, JParis said:

If you long eared galloot changes the speed in IPM not understanding, then he is a moron...

Who probably believes he's a genius

[Guest]

6 minutes ago, So not a Guru said:

Who probably believes he's a genius

I see you've worked with him before as well