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Does Runout Equal Concentricity?...Sort Of - Video!
Coaxiality (Part l) - 1994 & 2009
When Inspecting Cylindricity, There Is No Datum
Size and Form Are Individual Controls - 1994 and 2009
Remember that Size Controls Form
If You Want Location - Use Locating Controls - 1994
Size and Form Are Individual Controls - 2018
Stop the Datum Confusion! - Video!
Consider the Translation Modifier - Video!
Determine the Origin of Measurement - Video!
It Is Referencing the Datum — Not Itself - 1994
It Is Referencing the Datum — Not Itself - 2009
It Is Referencing the Datum — Not Itself - 2018
Datum Feature Control
Primary Datum Surface Control - 1994, 2009 & 2018
Tie your datum features together - 1994
Keep Identification of Datum Features Simple
Tie your datum features together - 2009 & 2018
Datum Feature Selection
A Hole’s Primary Datum Feature - Video!
Two Holes
Two Holes as Datum Features - Horizontal - Video!
Two Holes as Datum Features - Diagonal - Video!
Datum Feature Types
Primary
Planar Datum Features - Video!
Center Planes as Datum Features - Video!
Spheres as Datum Features - Video!
Cones as Datum Features - Video!
A Complex Feature as a Datum Feature May Constrain - Video!
Hole and Slot as Datum Features - Part I - Video!
Hole and Slot as Datum Features - Part II - 2009 - Video!
Secondary
Watch the Placement of Datum Identification Symbols... 1994 & 2018
Watch the Placement of Datum Identification Symbols... 2009
Datum Features
Datum Features Must Be Referenced - Video!
A Datum Feature Is Not a Datum - Video!
Datums Are Mutually Perpendicular - 1994, 2009, 2018
Patterns of Features Used to Establish Datums Are Tricky
Patterns of Features Used to Establish a Datum, Part 1 of 3 - Video!
Patterns of Features Used to Establish a Datum Part 2 of 3 - Video!
Patterns of Features Used to Establish a Datum Part 3 of 3 - Video!
Datum Reference Frame
Don’t Complicate Control of Your Datum Features
Does a Datum Reference Frame Need to be Fully Constrained - 1994, 2009, 2018
Displacement (Shift)
It Is Datum Shift - Not Bonus - Video!
Stop Using Datum Shift as a Bonus! - Video!
Why Datum Shift Is NOT a Bonus - Video!
Datum features can give you a shift-not a bonus - 1994
Datum features can give you a shift-not a bonus - 2009, 2018
MMC and LMC on a Datum Reference do not Affect the Feature’s Tolerance - 1994
MMC and LMC on a Datum Reference do not Affect the Feature’s Tolerance - 2009 & 2018
Exact Constraint
Rocking Datum Feature - Video!
Avoid Over Constraint in Your Designs
Orienting Datum Planes
Orienting Datum Planes - Video!
Tertiary Datums often Orient a Higher Order Datum Axis
Sufficient Size
Datum Features Must Be of Sufficient Size - Video!
Datums must be of sufficient size - 1994, 2009, 2018
Symbol Placement
Watch placement of datum triangles in the latest Standard - 1994, 2009, 2018
Basic and +/- Don’t Mix - Video!
+/- Tolerances Just Don’t Fly! - Video!
Don’t Confuse Dimensioning with Tolerancing - Video!
Multiple In-Line Features - Video!
Tolerances Must Be Stated - Video!
Tolerance Those Slots Right - Video!
Learn to deal with Basic Dimension
Don’t Add Tolerance by Rounding Off
Converting Dimensions and Tolerances
Basic
Stop Messing with Old School Tolerancing - Part ll
No Need For Those Half Dimensions - 2009 - Video!
Don’t Apply Geometric Controls to Basic Dimensions - 1994, 2009, 2018
Toleranced Dimensions Still Have Their Place - Part l
Angles
When it Comes to Dimensions: “Give the Customer What they Need” - 1994, 2009, 2018
Placement
Don’t Rely on Basic Dimension Placement! - Video!
Basic Dimension Placement Doesn’t Matter - Video!
Give Production the Dimensions They Need - 1994, 2009, 2018
Direct Tolerancing
Time to Stop the Nonsense - 1994, 2009 & 2018
Stop Messing with Old School Tolerancing - Part l
Toleranced Dimensions that Work
If the Drawing Doesn’t Use GD&T--Run - Video!
Stop Locating Features with +/- Toleranced Dimensions - Video!
Continuous Feature Symbol - Video!
Tie Those Interrupted Features of Size Together - Video!
Determining Features of Size - Video!
Dimension to Center Lines When it Makes Sense
Irregular Features of Size - Video!
Envelopes
Determining Size and Center - Video!
Irregular Features of Size
Inspecting Flatness at MMC - Video!
When Using “Unit Basis”, Include an Overall Limit - 1994, 2009, 2018
Extension of Principle - Video!
There Is a Place for MMC on Threads
Fixed and Floating Fastener Formulas
Put Your Holes at Any Angle - 1994, 2009, 2018
Boundary Control
Calculating Bonus - 2009 and 2018
Think Boundary, not Bonus - 1994, 2009, 2018
Tolerances modified at LMC and MMC are a Single Limit
Composite
Composite versus Two Single Segments - Video!
Feature-to-Feature Control - Video!
Unlock Composite Tolerancing, Part I of III - Video!
Unlock Composite Tolerancing, Part II of III - Video!
Unlock Composite Tolerancing, Part III of III - Video!
Composite Gage - Part I of III - Video!
Composite Gage - Part II of III - Video!
Composite Gage - Part III of III - Video!
Datum Feature References - 1994, 2009, 2018
Single Segment
Composite Vs Single Segment - 1994, 2009, 2018
Watch Out for the Subtle Difference with Regards to Datums
Cpk Calculation
Apply Profile of a Surface to Surfaces - Video!
Counting the Profile Tolerance Twice
Unequal and Unilateral Profile
The most important control in GD&T is location, location, location - 1994, 2009, 2018
Protect your boundaries with Profile - 1994, 2009, 2018
Smooth the Surface with Profile on a Unit Basis - Video!
Use Profile to Control Size and Form - 2009 - Video!
Applications
Use Profile to Open up Your Tolerances - 1994
Use Profile to Open up Your Tolerances - 2018
Use Profile to Open up Your Tolerances - 2009
As a General Tolerance
Simplify Your GD&T - 1994 & 2009
Irregular Features - 2009 - Video!
Composite
Position can Control Location of Irregular Features - Video!
Composite Profile of a Surface is Your Most Powerful Tool
Composite Profile of a Surface is Your Most Powerful Tool
Coplanarity
For Coplanarity use Profile - 1994
Keep Surfaces Coplanar with Profile
For Coplanarity Use Profile - 2009 & 2018
Inspection
Parallel Surface - Use Profile of a Surface
Profile of a Surface - Easy to Measure
Remember, inspection is work versus risk - 1994, 2009, 2018
Inspecting Profile can be Simple - 1994
Inspecting Profile can be Simple - 2009
Inspecting Profile can be Simple - 2018
What Are The Rules? 1994, 2009 & 2018
Don’t Be Tricky with GD&T - Video!
Don’t Overdo the Dimensioning and Tolerancing - Video!
You Still Need a Few Notes - 2009
You Still Need a Few Notes - 2018
Rule #1
Size Controlling Form - 1994, 2009, 2018
Break Rule #1 with Independency - Video!
Simultaneous Requirements
Simplifying the Dimensions - Video!
Simultaneous Requirements Is a Rule - Video!
If you don’t want a pattern, you have to say so - 1994, 2009, 2018
Remember How to Create a Pattern - 1994
Keep your Runouts Straight 1994, 2009, 2018
When in Doubt - Use Runout - 1994 and 2009
Don’t give runout more credit than it deserves - 1994, 2009, 2018
If You Design Molded, Cast or Forged Parts, Use the Y14.8 Standard! - Video!
Don’t Get Too Lazy Using Default Tolerances - Video!
Know which Rules Apply to the Drawing - Video!
Don’t Forget the Other Y14 Standards - Video!
ASME Y14.5 Is a Voluntary Standard - Video!
The ASME Y14.5-2009 Revision - Video!