04-17-2015, 02:22 PM
Good idea aRM it's always good to get different opinions. I know it can be a bit confusing at times but at the end of the day you will be able to make a good informed choice of what is best for you. 
DaveH
[/quote]
Hello there DAVE
OK - we know U don't like the Negative Inserts and have said Your piece about the Positives. But hear me out. I can't disagree with Your wisdom nor Your expertise or shop experience. I did find an article or two on the advantages of each and am in no way qualified to make any judgements or decisions.
However, Iscar have suggested both CNMG and WNMG Inserts for us to choose from. The only reason we think we ought to go their way is that I will be able to use my existing Tooling on either of these - although they are Negatives.
The ones they recommended are
CNMG 120404 F3P 8250 in Grade OR 907
WNMG 06T302-NF in same Grade U said IC907
He gave me a good Price on Your CCMT but downplayed making this complete change in Tooling as well.
At this point in time, like U said earlier, we are the more confused.
If we go for the Walters, we will have to get both the Medium Roughing and Finishing Inserts which is just over Two Grand. What is a bit befuddling with these is that will we have to change either the Toolholder or the Insert to take the Finishing cuts ??? This is not sinking in our kop - considering the practical cutting with these. On the other hand we only have to take either one of the Iscar Inserts, barring Your highly recommended CCMT's.
Bottom line if One has to ask me, I think we go with the WNMG's seeing that they are exactly the Grade U recommended, albeit in Negative profile.
What would U finally say, MENEER ???
aRM
DaveH
[/quote]
Hello there DAVE
OK - we know U don't like the Negative Inserts and have said Your piece about the Positives. But hear me out. I can't disagree with Your wisdom nor Your expertise or shop experience. I did find an article or two on the advantages of each and am in no way qualified to make any judgements or decisions.
However, Iscar have suggested both CNMG and WNMG Inserts for us to choose from. The only reason we think we ought to go their way is that I will be able to use my existing Tooling on either of these - although they are Negatives.
The ones they recommended are
CNMG 120404 F3P 8250 in Grade OR 907
WNMG 06T302-NF in same Grade U said IC907
He gave me a good Price on Your CCMT but downplayed making this complete change in Tooling as well.
At this point in time, like U said earlier, we are the more confused.
If we go for the Walters, we will have to get both the Medium Roughing and Finishing Inserts which is just over Two Grand. What is a bit befuddling with these is that will we have to change either the Toolholder or the Insert to take the Finishing cuts ??? This is not sinking in our kop - considering the practical cutting with these. On the other hand we only have to take either one of the Iscar Inserts, barring Your highly recommended CCMT's.
Bottom line if One has to ask me, I think we go with the WNMG's seeing that they are exactly the Grade U recommended, albeit in Negative profile.
What would U finally say, MENEER ???
aRM