Sometimes, you just need to keep it simple.
If your tooling adds an unnecessary level of complication to your machining process, it’s likely there’s a better solution out there somewhere. Of course, sometimes you don’t realize there’s an extra level of complexity until you try something else. Our customer, who was machining link arms for steering columns, initially wanted to improve their tool life and increase their penetration rates.
The customer decided to test the 4TEX Indexable Carbide Drill using the “P” geometry with AM480 coating designed specifically for wear-resistance in steel material applications. The 4TEX checked both of the customer’s boxes by increasing the penetration rate and doubling the tool life.
However, there were two additional benefits the customer hadn’t been focused on: (1) the previous tooling left an exit burr on the hole, but the 4TEX drilled a clean hole every time, and (2) the 4TEX utilized only one style of inserts for both pockets. This simple feature proved beneficial because the previous tooling had two separate inserts (one specifically for each pocket). On occasion, the operators had accidentally put the wrong inserts in the wrong pockets, leading to damaged tooling.
All around, the 4TEX improved the customer’s process. While certain metrics were similar in comparison, the elimination of exit burrs and the insert design were more than enough to seal the deal for the 4TEX. Be on the lookout for tooling benefits you didn’t realize you needed.
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||(1) Improve tool life
(2) Improve penetration rate
||Steering column link arm
||Ductile Cast Iron
4TEX Indexable Carbide Insert Drill
- Drill holder, 3xD length: D3111375I-150F
- Drill inserts, P geometry (steel): 4T-11T306-P
||Replaceable Insert Drill
||300 holes per insert
||600 holes per insert
The 4-sided indexable inserts with wear-resistant coating provided:
- 100% tool life increase
- Increased penetration rates
- Eliminated exit burrs
- Worry-free machining