Improving Tool Life by Turning off Coolant
In this case study, learn how retooling with the Di-Pos Hexa high-performance face mill from Ingersoll Cutting Tools and turning off the coolant helped McGill Machine Works achieve eight times the tool life of its previous inserts plus an 80 percent boost in throughput.
An advanced coating on the Di-Pos Hexa face mill reduces friction and insulates the insert substrate from overheating, eliminating the need to use coolant.
Although it may seem counterintuitive, dry machining punishing materials was one step McGill Machine Works of Schaumburg, Illinois, took to remedy premature insert rupture. According to Ingersoll Cutting Tools field representative Jarett Johnson, cutting fluids can often create thermal shock that can crack the coatings on today’s high-performance inserts.
This was very important for McGill, which was in the process of retooling with Ingersoll’s Di-Pos Hexa high-performance face mill to rough-mill a high-chrome, D-2-wrought stock piece that serves as a wear part in a nail-gun mechanism. The insert’s advanced coating diverts machining heat into the chips as they are flung away from the cutting zone, leaving the tool and workpiece cooler, and making cutting fluids unnecessary, Mr. Johnson says.
Read more about McGill’s retooling process and how it was able to save the company about $10,000 a year in this article from our December issue.
Collet toolholders are too important to the machining process to use them incorrectly. Follow this simple advice.
I’ve said that the toolholder is the least appreciated element in many milling processes, but the pull stud (or retention knob) is perhaps the least appreciated component of the toolholder.
A system to be marketed in 2015 will apply ultrasonic vibration from within the toolholder to reduce cutting force and improve the performance of the cut.