Is this Sketch Correct? Object Drawing Evaluation and Solution Attempt

  • Thread starter Thread starter annalian
  • Start date Start date
  • Tags Tags
    sketch
Click For Summary

Discussion Overview

The discussion revolves around the evaluation of a sketch related to an object drawing, focusing on the accuracy of dimensions, views, and the representation of features such as holes and hidden lines. Participants are attempting to clarify the details of the drawing and ensure it meets the necessary standards for technical representation.

Discussion Character

  • Homework-related
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Participants inquire about the length of a 13 mm diameter hole in the right-hand side view, with some suggesting it is a passthrough hole.
  • Questions arise regarding the thickness of the metal surrounding the hole, with a participant stating it is 12 mm.
  • There is a discussion about whether the end view should include an additional solid line for clarity.
  • Some participants suggest that more hidden lines or another view may be necessary to fully describe the object.
  • One participant mentions the need for clarity versus clutter when adding hidden lines to the drawing, indicating it is a subjective decision.
  • There is confusion regarding the length of the hole, with conflicting interpretations of the drawing suggesting it could be either 35 mm or 12 mm long.
  • A participant notes a correction made to the drawing, indicating changes to the representation of the interrupted line and the scallop feature.

Areas of Agreement / Disagreement

Participants express multiple competing views regarding the dimensions and representation of the object in the drawing. The discussion remains unresolved, with no consensus on the correct length of the hole or the necessity of additional lines.

Contextual Notes

Limitations include unclear definitions of views and features, as well as unresolved questions about the representation of dimensions in the drawing.

Physics news on Phys.org
In the right hand side view, what is the length of the 13 mm diam hole ?
 
BvU said:
In the right hand side view, what is the length of the 13 mm diam hole ?
It is a passthrough hole, goes all the way down
 
20161129_162609.jpg

20161129_162624.jpg
 
BvU said:
In the right hand side view, what is the length of the 13 mm diam hole ?

(a) Same question asked another way - what is thickness of metal it is in ?

(b) Should end view have one more solid line shown ?
 
Nidum said:
(a) Same question asked another way - what is thickness of metal it is in ?

(b) Should end view have one more solid line shown ?
The thickness is 12. Which is the end view? The horizontal view (the lower one?) Which is this solid line?
 
(c) Are more hidden lines or another view needed to completely describe the object ?
 
Nidum said:
(c) Are more hidden lines or another view needed to completely describe the object ?
The book has just given the first image.
 
annalian said:
The thickness is 12. Which is the end view?

Top right hand view in your drawing - the square looking one .
 
  • Like
Likes   Reactions: annalian
  • #10
Nidum said:
Top right hand view in your drawing - the square looking one .
Yes, the horizontal one. I corrected it. Is there any other thing wrong?
 
  • #11
Optionally you could put some more hidden lines on the views to show the half round scallop . It is a judgement call as to how many hidden lines to show on a drawing - sometimes they add clarity and sometimes they are just needless clutter . I'll leave that one to you .
 
  • #12
Nidum said:
Optionally you could put some more hidden lines on the views to show the half round scallop . It is a judgement call as to how many hidden lines to show on a drawing - sometimes they add clarity and sometimes they are just needless clutter . I'll leave that one to you .
What hidden line could I add for example (I want's sure for that either)
 
  • #13
annalian said:
It is a passthrough hole, goes all the way down
annalian said:
The thickness is 12.
So is the hole 35 mm long as your drawing top right suggests, or is it 12 mm long as in your drawing top left and in the book drawing ?​
 
  • #14
BvU said:
So is the hole 35 mm long as your drawing top right suggests, or is it 12 mm long as in your drawing top left and in the book drawing ?​
I corrected it. I put the interrupted line till the first solid line and I thought to put an interrupted line for the scallop.
 

Similar threads

Are These Right Angle Projections Accurate?
  • · Replies 3 ·
Replies
3
Views
2K
Use the correct cut (section) to draw the object
  • · Replies 3 ·
Replies
3
Views
2K
How Do You Model and Simulate a Mass-Two Spring-Damper System?
  • · Replies 20 ·
Replies
20
Views
6K
How can I reduce a controller with block reduction and find a transfer function?
  • · Replies 4 ·
Replies
4
Views
2K
Sketch output response of system
  • · Replies 1 ·
Replies
1
Views
2K
JK Master-Slave Flip-Flop timing diagram
  • · Replies 6 ·
Replies
6
Views
6K
Shear force and bending moment diagrams question
  • · Replies 7 ·
Replies
7
Views
3K
Equal friction method for duct sizing
  • · Replies 5 ·
Replies
5
Views
2K
Producing a shearing force diagram and bending moment curve
  • · Replies 13 ·
Replies
13
Views
4K
Sketch the waveform to represent the transient response
  • · Replies 7 ·
Replies
7
Views
3K