The 3D graphic on the right shows a hand on a brass Door Knocker - Leaving Cert DCG - Question C-5 - 2011
Question C-5
The 3D graphic on the right shows a hand on a brass Door Knocker.
Details of the Door Knocker are given in Fig. C-5 with the parts list tabulated below. A 3D graphi... show full transcript
Worked Solution & Example Answer:The 3D graphic on the right shows a hand on a brass Door Knocker - Leaving Cert DCG - Question C-5 - 2011
Step 1
Door Plate Outline
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Answer
Begin by drawing the outline of the Door Plate as per the given dimensions. Ensure that the edges are rounded as specified, and the width is accurately represented.
Step 2
Holes
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Answer
Next, mark the positions of the holes on the Door Plate. Make sure to place them as indicated, with correct diameters. Use a centerline for precision.
Step 3
Spacers Diameter and Width
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For the spacers, depict the correct diameter and height as given in the specifications. Also, ensure the width is set to 6mm from the table.
Step 4
Swing Arm Outline
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Draw the Swing Arm's outline carefully, ensuring to portray any curves in the design accurately. The dimensions should match those provided.
Step 5
Completing the Swing Arm
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Conclude the swing arm by ensuring that all aspects, including the junctions with the Door Plate, are precisely represented.
Step 6
Bolt, Nut, and Washer Details
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Illustrate the Bolt, Nut, and Washer as specified. Indicate the curved details of the head and the threads in the shaft distinctly.
Step 7
Hidden Details and Centreline
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Ensure to include hidden details and centrelines for accurately representing the parts and their relationships.
Step 8
Presentation of Drawing
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Finally, ensure the overall presentation of the drawing is neat and conforms to standard drawing practices, with clear lines and labels.
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