Name: Geometric Dimension & Tolerancing
Availability: InStock
Rating: 4.0 (24 reviews)

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Geometric Dimension & Tolerancing

4(24)

626 views

COMPLETED

3 hrs

Hindi , English

626 views

HEXSPUR FOUNDATIONMechanical Design Engineer & Trainer

Aerospace

Mechanical Engineering

7-day money-back guarantee
Session recordings included
Certificate of completion

Volume pricing for groups of 5+

Why enroll

People enroll in a Geometric Dimensioning and Tolerancing (GD&T) course to gain a deeper understanding of how to accurately interpret and create technical drawings used in manufacturing and design. GD&T is essential for ensuring that parts fit and function correctly, especially in industries like aerospace, automotive, and precision engineering.

Your instructor

HEXSPUR FOUNDATION

Senior Design Engineer

Mechanical Design Engineer & Trainer

14+ yrs experience·India

Is this course for you?

You should take this if

You work in Aerospace
You're a Mechanical Engineering professional
You have 3+ years of hands-on experience in this field
You prefer live, instructor-led training with Q&A

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Mechanical Engineering
You need fully self-paced, on-demand content

Course details

Course suitable for

Key topics covered

Use of Dimensional tolerance as per assembly

Use of Geometric tolerances as per manufacturing process.

Details of Dimensional & Geometric tolerances with practical used case study

After course completion candidate able to decide tolerance values by it self

Opportunities that await you!

Career opportunities

Training details

This is a live course that has a scheduled start date.

Live session

Starts

Sun, Jun 15, 2025

8:30 AM UTC· your timezone

Duration

3 hours per day

COMPLETED

Questions and Answers

Q: You're checking a bracket drawing and search "how to calculate virtual condition for a hole at MMC GD&T". The hole is Ø6.35 mm with a positional tolerance of Ø0.25 mm at MMC. The fastener is a Ø6.00 mm bolt. What is the virtual condition of the hole?

A: 6.60 mm is the boundary that matters. Virtual condition for an internal feature equals MMC size plus the full positional tolerance, not half and not ignored. Anything smaller than Ø6.60 mm risks bolt interference at worst case.

Q: Reviewing a GA, you google "datum precedence primary secondary tertiary GD&T example". A hole pattern is controlled by position relative to datums A|B|C. Datum A is an external painted face, datum B is a machined mounting pad, and datum C is a dowel hole. What's the compliance concern?

A: Primary datum selection is the tripwire. A painted external face as datum A allows compliant inspection while breaking assembly alignment; functional mounting pads belong at the top of the datum hierarchy.

Q: During inspection you search "CMM measurement temperature correction aluminum ISO 1". A 300 mm aluminum part is measured at 30 °C instead of 20 °C. No thermal correction is applied. What measurement shift do you expect along that length?

A: 0.07 mm is enough to break marginal tolerances. Aluminum expands roughly 23 µm/m·K, so over 0.3 m and 10 K the math lands right there, and many CMMs won't fix it unless told.

Q: You pull up a rev 4 drawing and search "ASME Y14.5 flatness versus position redundancy". A bearing bore has a positional tolerance of Ø0.10 mm to datum A and a flatness callout of 0.02 mm on the bore face. What's the real risk?

A: 0.02 mm is the scrap driver. Position already controls orientation and location of the bore axis; adding tight flatness on the face often adds cost without protecting any failure mode.