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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

Holding Devices powerpoint

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Page 1: Holding Devices powerpoint

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

Page 2: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

2 of 10© 2013 City and Guilds of London Institute. All rights reserved.

Aims and objectivesAim:

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.

Page 3: Holding Devices powerpoint

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

Page 4: Holding Devices powerpoint

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.

Page 5: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

5 of 10© 2013 City and Guilds of London Institute. All rights reserved.

G clampsG clamps are available in several sizes and depths. They can be very useful in applying enormous amounts of pressure.

Page 6: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

6 of 10© 2013 City and Guilds of London Institute. All rights reserved.

F clampsThe 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.

Page 7: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

7 of 10© 2013 City and Guilds of London Institute. All rights reserved.

Sash clampsSash 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.

Page 8: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

8 of 10© 2013 City and Guilds of London Institute. All rights reserved.

Storing clampsHow you store clamps is personal preference, but recommendations are: • G clamps – on a timber or shelf horizontally.

• Sash clamps – on brackets vertically.

Page 9: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

9 of 10© 2013 City and Guilds of London Institute. All rights reserved.

Aims and objectivesAim:

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.

Page 10: Holding Devices powerpoint

Level 1 Diploma in Carpentry and Joinery

10 of 10© 2013 City and Guilds of London Institute. All rights reserved.

Any questions?