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RESISTANT MATERIALS EXAMINATION

QUESTIONS JOINTS 1 - ANSWER

V. Ryan © 2004

 

1. The picture to the below shows a small jewellery box. The lid has two small hinges that allow it to open and close. The picture shows no detail of the joints used to hold the ‘box’ together.

A. In the two spaces below sketch two types of joint that could be used.
 

 

 

 

 

 

Name of joint 1 -  DovetailJoint   Name of joint 2 - Finger Joint
     
2. Which joint do you think is the strongest / best. Name the joint and explain why it is your preferred corner joint.
     
Name of joint - Dovetail Joint.    
     

Explanation:

The dovetail joint is very strong because of the shape of each ‘tail’. When glued using PVA or cascamite glue, the joint is almost impossible to take apart.

     

 

     
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