The CMM Handbook Revision 6

CMM Quarterly announces the new release of The CMM Handbook Revision 6. Now with an expanded GD&T section, new videos, and more in-depth CMM knowledge.

Below are listed some of the topics covered in The CMM Handbook. This spiral bound handbook is a must have for all CMM programmers and operators.


Common Conversion Factors
Environment Settings
Coordinate-Measuring Machine (CMM) Probes
Touch Trigger Probes
Resistive
Strain-gauge
Piezo
Scanning Probes
Passive Sensors
Simplicity
Dynamic Response
Active Sensors
Complexity
Dynamic Response
Accuracy
CMM Stylus Selection
Stylus Variables

Stylus Sphericity (roundness)
Stylus Bending
Thermal stability
Coefficient Expansion

DMIS Probe Command Set
Measurement Uncertainty

Measurement Uncertainty and your CMM System

MPE = Maximum Permissible Error
MPEE - Maximum Permissible Error for length measurement
MPEP - Maximum Permissible Error for probing
ISO 10360-2 Where do E and P apply?
MPERONt(MZCI) - Maximum Permissible Error for form measurement (roundness)
MPETHP and MPEτ - Maximum Permissible Error for scanning probing

Projection Planes and Plane Normal Vectors
Understanding the 6 Degrees of Freedom

Using The Correct CMM Alignment Principles

Words To Be Familiar With

Alignment
Datum
Origin
Coordinate System
3-2-1 Setup
Coordinate Systems


What is a Coordinate System?
How Do I Create A Coordinate System?
Myths And Truths About Establishing Coordinate Systems
Cartesian Coordinate System
Polar Coordinate System
Spherical Coordinate System
Datum Definition When the Datum Is a Cylinder
Basic Alignment Strategies
Sample Alignments
Plane/ Line/ Line
Plane/ Line/ Point
Plane/ Circle/ Line
Plane/ Circle/ Circle

Advanced Alignments
Best-Fit
RPS Alignment
CAD Alignments

Feature Types

Circle
Cylinder
Line
2d Line
3D Line Spatial Vector
Cone
Partial Arcs
Measurement Methods
Measurement Strategies
Diameters

Filtering of Scanned Data

Data from Scanning
Filtering – What is it?
Filter Methods
Filtering Types

Direction Vectors

What Are Direction Vectors .
How To Calculate Direction Vectors
Direction Vectors for Common Angles

Gage R&R

Terminology of R&R
Variability
How to perform a Gage R&R
Gage R&R Method
The 10% Rule
Calculating Gage R&R
What If the Gage R&R Is Not Good?

DMIS Commands

General Setup Commands
Machine Settings
Operator Prompts
Sensor Select

Datum Alignment Commands

Three Step Method
One Step Method
Measurement Features
Work Plane

Trigonometry Calculations

Angle Measurement
The concept of angle
Right Hand Triangles
Oblique Triangles
How to Calculate Chord Length

Bolt Hole Circle Calculations
Create Your Own Bolt Hole Calculator in Excel

Getting Started
The Formulas

Geometric Dimensioning & Tolerancing

G,D&T Resources
G,D&T printed or web materials
G,D&T Training Companies
Datum Feature Constraints
Profile
Changes to G,D&T
New and Refined Modifiers

CAD
Data Exchange
IGES and Step
Issues When Programming From CAD
Surface Normals

CAD Modeling
The Basics
Reverse Engineering
CMM Scanning Options

Higher Level Language Examples

Common HLL Usages
Jump To
If-Then-Else Statement
Relational Operators
Call External Program
Write a program to calibrate a disc, cylinder, or shaft styli .
Save results and increment serial numbers
Write a program to query if a fixture alignment needs run .
Write a program to add date and time stamping
Write a program to add operator input

CMM Glossary






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