GD&T Lecture

[@tjvanderloop1686]

Mr. Ricky Castles did a great summary of the ASME Y14.5-2009 (14-Character Symbols) for Size, Location, Orientation, and Form Controls (SLOF) as a GD&T hierarchy in 2021. The graphics are part of a universal language and the overall presentation was excellent. The functional modifiers are MMC-modifier, LMC-modifier & RFS-modifier. Datums are the key with the entire system. T J (Tom) Vanderloop, Author, Mechanical Designer, & Consultant; ATEA, AWS & SME-Life Memberships & Leadership

[@michelemike8038]

after several hours of research this is the only video that explains how to read tolerances. And clearly. Thank you.

[@rickycastles1510]

glad it could help!

[@bala9161]

16:05 That's is not a reference dimension, that is a "basic" dimension the tolerance of which should be taken from the position feature control frame.

[@jpbauters2072]

is there a way to obtain a copy of the slides shown during the webinar, they are very usefull

[@dewi_anggraeni]

Excellent. Thank u so much because already create this video. Best explanation, best knowledge... ✨👍

[@beoptimistic5853]

kzbin.info/www/bejne/joKsk6FobMmCoKc 💐👍

[@thevegg3275]

at 11:43...the problem is there are infinite amount of concentric circles separated by 0.01. You have not constrained the solution to just on of those. Is it that the outer and inner concentric circles have to be cntered around the perfect 30? So the measured surface would have to be between 30.5 and 29.5?

[@wtsg1982]

This material coupled with example is really engaging and rewarding, nice job, thanks!

[@beoptimistic5853]

kzbin.info/www/bejne/joKsk6FobMmCoKc 💐👍

[@PROWORLDPUNE]

Like ...nice information..

[@beoptimistic5853]

kzbin.info/www/bejne/joKsk6FobMmCoKc 💐👍

[@David_HX]

Where are the "lab exercises" which Ricky is referring to ?

[@RK-fi3ko]

Thank you very much, this is a very precise and descriptive explanation!

[@albinadyakova2957]

best explanation of them all

[@beoptimistic5853]

kzbin.info/www/bejne/joKsk6FobMmCoKc 💐👍

[@pch5059]

I like your slide show

[@Grievous_4]

really Good explanation

[@beoptimistic5853]

kzbin.info/www/bejne/joKsk6FobMmCoKc 💐👍

[@tamildairy465]

This video is very useful for me so thank

[@sem7207]

Why cm? Very unusual. Metric drawings usually have dimensions and tolerances in mm.

[@carlgraf27]

On the slide regarding angularity, the callout is 0.2, with no symbol for degrees. The translation says that the entire surface must lie between two parallel planes, 0.2 apart (again, with no degree symbol). In the audio, you mention that the two lines are 0.2 degrees apart. If they are indeed two parallel planes, the 0.2 should be a linear distance apart (inches/mm) not an angle; however, if the callout is indeed 0.2 degrees from the nominal angle, as clarified only in the audio, they are not parallel lines. So, what does the 0.2 represent, a linear distance between the parallel planes or an angular deviation from the nominal angle? Please keep in mind that the 0.2 degree tolerance zone would grow larger as the controlled surfaced extends from the vertex. On the following slide regarding perpendicularity, the 0.2 is defined in the audio as a unit reference. This is ambiguous as the linear units (in/mm) and angular units (degree/minutes/seconds) are all units.

[@tianquansu]

according to this link, the drawings in this video are correct: the angularity controls angle and flatness, so it's specified using 2 parallel plane. www.gdandtbasics.com/angularity/

[@LgMill]

Thank you sir! I owe you my food

[@jononame8915]

Thanks you for making this

[@darshanshanbhag7332]

Hello This video is great to brush up things I want much more information regarding this will you please update some more video and Basically I am Mechanical engineer So kindly make patrician Because It's very difficult to find So make a group or segregate the things as per courses THANK YOU ..!!

[@volkanyildirim48]

thank you for the video. it helped a lot. Could you please share what book you are using in this video?

[@rickycastles1510]

We use Introduction to Solid Modeling using SolidWorks by Howard and Musto. Dr. Howard is my colleague and developed most of these slides. www.amazon.com/Introduction-Solid-Modeling-Using-SOLIDWORKS/dp/1260113302

[@volkanyildirim48]

@@rickycastles1510 thank you

[@prasadkarlekar7856]

Wt "M" indicates in gd&t

[@utkarshahuja236]

Modifier

[@monsterjesse]

perfect

[@wasudeomare318]

C g D