Thread Turning

[azankog]

Hi guys

This is my first topic on this forum, i'm not a god englishman, so sry if i miss some words.

I need to do a thread turning of metric thread (60 deagres). Thread is M58x2 and everythnig about this sequence is clear to me (i think) except one parameter, THREED_FEET. It says that THREED_FEED is thread pitch in THREAT_FEED_UNITS. I set THREAT_FEET_UNITS to MMPR. Why i need THREAD_FEED? If that is a pitch, may I set CUT_FEED to 240 and SPINDLE_SPEED to 120 to get a pitch od 2mm?

Plz give me a advice or some example to these parameters.

Tnx ahead

 

[jcrook]

Hi Azankog,
This is the thread pitch, in your case 2.0mm per revolution. It could also represent the threads per inch if THREAD_FEED_UNITS is set to TPI(threads per inch). It seems redundant but is not.
Setting the feed rateand the spindle speed as a ratio does not get the pitch feed. Yourfeed rate should actually be 9.4488ipm to get 0.0787(2mm) per revolution.
Hope this helps.


Jay.

 

[azankog]

"This is the thread pitch, in your case 2.0mm per revolution. It could
also represent the threads per inch if THREAD_FEED_UNITS is set to
TPI(threads per inch). It seems redundant but is not."
I got it.

"Setting the feed rateand the spindle speed as a ratio does not get the pitch feed"

Right, i must set pitch_feed 2mm (in my case that is pitch of my thread,unified), and with that ProE automaticly calculate thread_depth?Am I right?

U also said that i need to set cut_feed to 240 (9.4488ipm), and spindle speed is? 120 or?

Tnx a lot

 

[jcrook]

Hi Azankog,
Yes to your first question as long as you define a profile for the tool to follow.


No to the 2nd question. I was only saying 9.4488ipm at 120rpm's will get a 2mm pitch on the OD. You will NOT use FEED_RATE for a threading sequence ONLY THREAD_FEED_UNITS and THREAD_FEED.


Jay.

 

[azankog]

"No to the 2nd question. I was only saying 9.4488ipm at 120rpm's will
get a 2mm pitch on the OD. You will NOT use FEED_RATE for a threading
sequence ONLY THREAD_FEED_UNITS and THREAD_FEED."

But i need to put some parameters on:
CUT_FEED
THREAD_FEED
(THREAD_FEED_UNITS)*
CLEAR_DIST
SPINDLE_SPEED

 

[jcrook]

Hi,
Put 2.0 in THREAD_FEED. Put 3.0 in CLEAR_DIST. Put 300 in SPINDLE_SPEED. Put 0.3 in CUT_FEED. See if it works. Also, when you put a value in thread_feed first, see if the cut_feed box is no longer highlighted in light yellow.
Play around with cut_feed value and see what happens.


Jay.

 

[azankog]

Thanks man...all work...i put 2 in THREAD_FEED, 3 in CLEAR_DIST 300 in SPINDLE_SPEED and CUT_FEED set to 0! And all works perfectly Tnx jcrook