V-Mac End Mill Doubles Tool Life at Northeast Tool and Cuts Downtime
Rough-milling Inconel 625 was burning through 7–8 end mills every six-hour cycle at Northeast Tool. Fullerton's 3125 V-Mac 5-flute end mill doubled tool life to 1.5 hours per cutter, realizing $39,600 in tooling savings and an estimated $130,000 on upcoming projects.
At a Glance
The Challenge
Northeast Tool, a manufacturer of aerospace and defense components, hit a wall in its rough-milling operations. The culprit was Inconel 625 — a robust superalloy that was burning through 1/2″ end mills at a rate of 7–8 tools for every six-hour production cycle.
That frequent turnover didn't just inflate tooling cost — it drove downtime with every tool change.
The Solution
Fullerton's application specialist introduced the 3125 V-Mac — a 5-flute, high-performance end mill built for high-temperature, high-pressure work on tough superalloys. It was tested against the existing tools under the same operating conditions.
The V-Mac outlasted the competition by a wide margin, averaging 1.5 hours of operational life per end mill — double the longevity of the tools Northeast Tool had been running.
“We're amazed at the increased productivity, reduced downtime, and cost savings that the V-Mac end mill provided. We are now using the V-Mac end mill for rough milling needs and couldn't be happier with the results.”
Scott Nejfelt, Northeast Tool
The Results
Doubling tool life rippled through the whole rough-milling program:
- Tool life doubled: 1.5 hours per end mill, up from the previous tooling.
- Fewer tool changes and less downtime: A leaner, more productive rough-milling workflow.
- $39,600 realized, ~$130,000 projected: Real tooling savings today, with more expected on upcoming projects.
When Does the V-Mac Make Sense?
A 3125 V-Mac may be worth evaluating when:
- You're rough-milling superalloys like Inconel in high-temperature work
- End mills are wearing out several times per shift
- Tool changes are driving downtime and tooling spend
- You need stability and finish under high cutting forces
Learn more on the 3125 V-Mac product page.
Superalloys Chewing Through End Mills?
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