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Level 1 Diploma in Carpentry and Joinery
1 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Unit 115: Produce woodworking joints
Holding devices
Level 1 Diploma in Carpentry and Joinery
2 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Aims and objectives
Aim:
Introduce learners to holding devices.
Objectives:
• List at least two types of holding device.
• State at least one task in which you will use holding
devices.
• State at least one method of protecting timber when using
holding devices.
• List at least one method of storing holding devices.
Level 1 Diploma in Carpentry and Joinery
3 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
What are holding devices?
Tools that grip items or hold them together:
• Vices
• G clamps
• F clamps
• Sash clamps
• Hold fast
• Pliers
• Pincers
• Bench hooks
Level 1 Diploma in Carpentry and Joinery
4 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
When we use clamps
Whenever we use clamps for holding timber and items
together, we use scrap pieces of timber as clamps can
bruise and damage timber when large amounts of pressure
are applied.
Level 1 Diploma in Carpentry and Joinery
5 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
G clamps
G clamps are available in several sizes and depths. They
can be very useful in applying enormous amounts of
pressure.
Level 1 Diploma in Carpentry and Joinery
6 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
F clamps
The F clamp is often referred to as the speed clamp. This
clamp has an adjustable arm which can be set to
accommodate any width up to the distance of the main bar.
Level 1 Diploma in Carpentry and Joinery
7 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Sash clamps
Sash clamps are so called because of their original use in
clamping together components of windows and door frames
(ie sashes) They would typically be used in pairs, as shown
below.
Level 1 Diploma in Carpentry and Joinery
8 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Storing clamps
How you store clamps is personal preference, but
recommendations are:
• G clamps – on a timber or shelf horizontally.
• Sash clamps – on brackets vertically.
Level 1 Diploma in Carpentry and Joinery
9 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Aims and objectives
Aim:
Introduce learners to holding devices.
Objectives:
• List at least two type of holding devices.
• State at least one task in which you will use holding
devices.
• State at least one method of protecting timber when using
holding devices.
• List at least one method of storing holding devices.
Level 1 Diploma in Carpentry and Joinery
10 of 10
© 2013 City and Guilds of London Institute. All rights reserved.
Any questions?

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Unit 115: Produce woodworking joints

  • 1. Level 1 Diploma in Carpentry and Joinery 1 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Unit 115: Produce woodworking joints Holding devices
  • 2. Level 1 Diploma in Carpentry and Joinery 2 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Aims and objectives Aim: Introduce learners to holding devices. Objectives: • List at least two types of holding device. • State at least one task in which you will use holding devices. • State at least one method of protecting timber when using holding devices. • List at least one method of storing holding devices.
  • 3. Level 1 Diploma in Carpentry and Joinery 3 of 10 © 2013 City and Guilds of London Institute. All rights reserved. What are holding devices? Tools that grip items or hold them together: • Vices • G clamps • F clamps • Sash clamps • Hold fast • Pliers • Pincers • Bench hooks
  • 4. Level 1 Diploma in Carpentry and Joinery 4 of 10 © 2013 City and Guilds of London Institute. All rights reserved. When we use clamps Whenever we use clamps for holding timber and items together, we use scrap pieces of timber as clamps can bruise and damage timber when large amounts of pressure are applied.
  • 5. Level 1 Diploma in Carpentry and Joinery 5 of 10 © 2013 City and Guilds of London Institute. All rights reserved. G clamps G clamps are available in several sizes and depths. They can be very useful in applying enormous amounts of pressure.
  • 6. Level 1 Diploma in Carpentry and Joinery 6 of 10 © 2013 City and Guilds of London Institute. All rights reserved. F clamps The F clamp is often referred to as the speed clamp. This clamp has an adjustable arm which can be set to accommodate any width up to the distance of the main bar.
  • 7. Level 1 Diploma in Carpentry and Joinery 7 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Sash clamps Sash clamps are so called because of their original use in clamping together components of windows and door frames (ie sashes) They would typically be used in pairs, as shown below.
  • 8. Level 1 Diploma in Carpentry and Joinery 8 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Storing clamps How you store clamps is personal preference, but recommendations are: • G clamps – on a timber or shelf horizontally. • Sash clamps – on brackets vertically.
  • 9. Level 1 Diploma in Carpentry and Joinery 9 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Aims and objectives Aim: Introduce learners to holding devices. Objectives: • List at least two type of holding devices. • State at least one task in which you will use holding devices. • State at least one method of protecting timber when using holding devices. • List at least one method of storing holding devices.
  • 10. Level 1 Diploma in Carpentry and Joinery 10 of 10 © 2013 City and Guilds of London Institute. All rights reserved. Any questions?