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In this series of educational videos, our ‘Lab Boss’ Jason Benford performs various torque tests to show off the power and durability Atlas Copco tools have to offer!
In the Lab
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Lesson 1 - Why is tightening technique important?

Reference material, including videos, pocket guide, and glossary
Lesson videos
Lesson videos
Video 1 - Why is tightening technique important?

Video 2 - What is clamping force?

Video 3 - Example of bolted joint
 
Video 1 - Why is tightening technique important?

Video 2 - What is clamping force?

Video 3 - Example of bolted joint
Video 1 - Why is tightening technique important? (5:07)

Video 1 - Why is tightening technique important? (5:07)

• What is needed to make a proper assembly?
• Why use bolted joints?

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Video 2 - What is clamping force? (4:38)

Video 2 - What is clamping force? (4:38)

• What is pre-load and tensile force?
• What is friction?

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Video 3 - Example of bolted joint (5:24)

Video 3 - Example of bolted joint (5:24)

• How does the pre-load influence the bolt?
• What is torque?

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Lesson videos
Lesson videos
Video 4 - What happens when friction changes?

Video 5 - Ways of changing friction
 
Video 4 - What happens when friction changes?

Video 5 - Ways of changing friction
Video 4 - What happens when friction changes? (4:39)

Video 4 - What happens when friction changes? (4:39)

• When we have oil on threads?
• When we have a corroded bolt?
• When we add a washer?

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Video 5 - Ways of changing friction (4:14)

Video 5 - Ways of changing friction

• Loctite, locknut, paint in threads, damaged threads, weld slag, bolt finishing

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Pocket guide - audio version (8:50)

Pocket guide - audio version (8:50)

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Glossary
Glossary

Supplemental material:

Atlas Copco

Lesson 1 - Why is tightening technique important?

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