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What is Chip Load?

QUESTION: What is Chip Load? ANSWER: Chip Load is defined as the thickness of material cutaway by each cutting tooth. See the explanation below in an excerpt from the downloadable powerpoint! CNJ CNC TOOLING BASICS

What is Stepover?

Written by Chris&Jim CIM.

QUESTION: What is Stepover? ANSWER: Stepover is defined as the the space between passes of a tool during an operation. The HSM default is 95%, making a very smooth finish on a surface with a ball end mill, but it will sacrafice machine time. In other words, it’ll take forever!...

What is Depth of Cut? How Deep can I Cut on a Single Pass?

Written by Chris&Jim CIM.

QUESTION: What is Depth of Cut? How deep can I cut on a single pass? ANSWER: Great question! a good rule of thumb is the depth of cut shouldn’t be greater than 1/2 the diameter of the tool; especially on smaller machines. Any more than this and you risk messing up the bearings in your machine....

This is why I teach….

Written by Chris&Jim CIM.

on Monday, 18 May 2015. THANKS THIEN… AND ALL OF MY FORMER STUDENTS LIKE YOU! Over the past 10 years or so, it has become a tradition in my classroom that students bring me a mug back from the college that they attended as a freshman, or their place of employment. I have mugs from community...

EdgeCAM Tutorials

Written by Chris&Jim CIM.

WHERE DO I FIND ALL THOSE COOL TUTORIALS WE DID IN CLASS? Question: Where do I find all those cool EdgeCAM tutorials we did in class? Solution: Right here of course! Jim did all of these EdgeCAM tutorials with just some groovy music. There are tutorials for all four major CNC operations that you...

How do I Handshake A VEX Cortex With a Lynxmotion Arm?

Written by Chris&Jim CIM.

IF YOU CANNOT READ THE DIAGRAMS BELOW,PLEASE CLICK ON THE DOWNLOAD BUTTON TO GET A PDF VERSION! Lynx-VEX Handshaking Notes Question: How do I receive a signal on a Cortex from the SSC-32 (Lynx Robot) in RobotC? Answer: One way to do it is shown in the example below. A machine is waiting for a signal...

HOW DO I HANDSHAKE A LYNXMOTION AL5D ARM WITH A VEX CORTEX?

Written by Chris&Jim CIM.

Question: How do I make my Lynxmotion Robotic Arm talk to a VEX Cortex? Solution: The actual wiring is easy, and so is the programming. Let me break the answer up into sections: Question: How do I receive a signal on a Cortex from the SSC-32 (Lynx Robot) in RobotC? Answer: One way to do it is shown...

IED Train Tutorials

Written by Chris&Jim CIM.

So you want to know how to make the train parts from Introduction to Engineering Design class? I don’t blame you…. they are a great first step in Inventor to teach the basics of Inventor. One of my favorite IED teachers of all time, Jason Hyatt from Cazenovia HS, has put these together...

SUPERBOTS: Lynxmotion Robot Arm Upgrades

Written by Chris Hurd.

This week the CIM students in my class took the time to rebuild our Lynxmotion Arms, some of which have been running since 2009, without an problems. The screws were starting to come loose, and some of the servos were a little twitchy, so we used some grant money to get some new upgrades from The...

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