BuildYourCNC - Onsrud ChipBreaker/Finisher Two Flute Down Cut End Mill for Wood and Wood Composites

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Onsrud chipbreaker half inch cut end mill

Onsrud ChipBreaker/Finisher Two Flute Down Cut End Mill for Wood and Wood Composites

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Chipbreaker/Finisher Down Cut 1/2" Cut Diameter, 1/2" Shank, 1-5/8" Cut Length, 3-1/2" Overall Length

$78.95

Includes free technical support.

Introduction:

If you want very fast cutting speeds and work with natural woods (hard and soft), and you want a great finish at the same time, this is the end mill to use. The end mill appears similar to a roughing (hog) end mill, but doesn't exhibit as many serrations. The geometry will provide a flat surface

Description:

This is one of the best end mills for single pass (full depth) cutting at very high speeds. The chip load per tooth for the 1/2" cut diameter end mill is .021 to .023 (hard woods).

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Related Tutorials

Step 9: Z-Axis Lead Screw and X-Axis Aluminum Angles
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Instead of using allthread for the lead screw and a standard nut, consider using a 5 start lead screw and anti-backlash nut. It will keep you from pulling out your hair by running much smoother and faster. Lead screws... hmmm... ok, let's talk concepts. The lead screw is the main component for the transmission of power in a linear form. Yes, a little like the transmission in the car, but much simpler. The screw yields a ratio of force to the linear motion, but conversely affects the speed and resolution of linear motion. To explain in more simpler terms, take a regular screw, and a nut. Hold the nut in one hand but don't turn it. Hold the screw in the other hand and screw it in the nut. Your hand is applying a force to the screw in a circular motion, hence the motor turning the shaft, and if the screw is turning at a stationary point in space, it will pull the nut toward the hand turning the screw. If the turning motion of the screw is reversed, the nut is pushed away from the hand turning the screw.

Step 7: Z-Axis Transmission Nut
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Instead of using allthread for the lead screw and a standard nut, consider using a 5 start lead screw and anti-backlash nut. It will keep you from pulling out your hair by running much smoother and faster. We will install the method that provides transmission to the z-axis. The transmission consists of a lead screw and a nut. Very simply, the motor will turn the screw, and the nut is fastened to the z-axis assembly, moving the assembly as the motor spins. That is to say, when the motor turns clockwise, the nut will travel up, and if the motor turns counter-clockwise, the nut will travel down.