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Make sure you are using the exact bit and material listed for each template. It will not work right if you don't.

All of the bits needed for the 3D and 2D CNC tutorials can be checked out from the tech desk.

3D Machining

Operation typeExample PhotoMaterialToolShopBot Speed SettingDownload

Smooth Landscape Topography

(foam only)

Foam (2" or 3")

1/2" Ball Nose - 4-flute

266template download link

Wood ( up to 3"thick)

Two bits:

1/2 straight and 1/2 round (you need both bits)

266

Roughing Template


Finishing Template


2D Machining

Operation typeExample PhotoMaterialToolShopBot Speed SettingDownload
2D contour machining with 1/2" bit

plywood and wood (maximum 1 1/2" thick

1/2" 2-flute straight bit

266template download link



Feeds and Speeds Table for Advanced CNC Users

This table is based on a router speed of 266 rev/sec

MaterialDepth Per Pass MaxStepoverFeed Per Tooth
MDF30%-50% of bit diameter50% tool diameter5 thou (.005")
Foam100%-200% of bit diameter90% tool diameter20 thou (.02")
Hard Woods20%-40% of bit diameter40% tool diameter3.5 thou (.0035")



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