# CNC Machining a billet compressor wheel

**URL:** https://forums.speedlife.net/t/cnc-machining-a-billet-compressor-wheel/257076
**Category:** Shift518 Automotive
**Created:** [February 24, 2011, 6:32am UTC](https://forums.speedlife.net/t/cnc-machining-a-billet-compressor-wheel/257076 "2011-02-24T06:32:32Z")
**Posts on this page:** 1
**Showing post:** 15

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### Author: ![Boxersix](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/boxersix/32/6327_2.png) [@Boxersix](https://forums.speedlife.net/u/Boxersix)
#### Post date: [February 24, 2011, 10:48pm UTC](https://forums.speedlife.net/t/cnc-machining-a-billet-compressor-wheel/257076/15 "2011-02-24T22:48:31Z")

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> [@Can you do the soulja boy?](https://forums.speedlife.net/t/can-you-do-the-soulja-boy/39922/8):
>
> Holy fucking feed in the beginning. That’s why I love cutting aluminum and brass. Shit cuts like butter.
> 
> If you’ve never done any machining/programming it’s hard to appreciate how truly amazing those tool paths at the end are. Incredible machine work. Love shit like this.

meh, couple tens at best there. big feed is making nutty trochoidal cuts at full cutter depth in hardened steel or inconel.

watch this vid

[![](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/3X/b/a/ba7046fc451a0087dfe70d1e65e4c1076407611a.jpeg "RobbJack High Speed Hard Metal Trochoidal Machining 54 HRc Hardened H13") ](https://www.youtube.com/watch?v=JATjRSzXgjw)

Look at the color of the chips flying off the cutter…no coolant either 😉 95% of the heat is expelled through the chips themselves and not into the tooling/spindle.

Here’s a big 625 blisk being cut

[![](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/3X/b/2/b2d44453a7a0ef65f69e26955d922ff051d3ed76.jpeg "XCEEDER 1200 RT - INCONEL BLISK HIGH SPEED MACHINING") ](https://www.youtube.com/watch?v=ccK5osNCGW4)

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