Steel Turning Insert Grade Resists Wear
Tungaloy’s T9225 insert grade for steel turning is the latest addition to the T9200 CVD grade series.
Tungaloy’s T9225 insert grade for steel turning, part of the T9200 CVD grade series, features a thick, wear-resistant Al2O3 coating in a uniformly aligned layer; a ceramic outermost layer with greater hardness; and Tungaloy’s PremiumTec post surface treatment for stable machining.
The steel turning grade is said to be effective in a wide range of applications, ensuring long tool life and stable performance for improved productivity. The T9225 includes the -TSF, -TM and -TH chipbreakers. A total of 349 inserts are introduced in T9225.
To make the transition to hard turning, you'll need to switch from carbide to CBN inserts, but that is easier (and more economical) than you might think. It's making the jump to much higher surface speeds that might scare you off. It needn't. Here's why.
One of the most common methods of tapping in use today on CNC machines is 'rigid tapping' or 'synchronous feed tapping.' A rigid tapping cycle synchronizes the machine spindle rotation and feed to match a specific thread pitch. Since the feed into the hole is synchronized, in theory a solid holder without any tension-compression can be used.
Liquid coolant offers advantages unrelated to temperature. Forced air is the fluid of choice in this shop...but even so, conventional coolant can't be eliminated entirely.