Questions tagged [drawings]

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Coplanarity Profile Callout Confusion

From Krulikowski (1997), the callout for several coplanar surfaces using the Profile symbol is done by using two surfaces to establish datum plane A-B and then tolerancing the remaining coplanar ...
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1answer
29 views

Autocad start drawing away from the Z=0 (non-coplanar)

I'm having an issue when I draw some elements. They are been drawn away from the Z=0, is causing to be non-coplanar with other elements. So, I cannot make fillets or can find crossing points. I don't ...
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1answer
39 views

Drafting techniques for various views [closed]

I was looking at this previous question and I got bored and started drawing it up just for something to do. The image in the question shows a nice front view and an elevation/section as shown below. ...
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1answer
77 views

Convert .dxf file to .svg

I'm an software dev and my job is to convert a .dxf file into a .svg file My code actually works, but there are some issues with the dimensions or something similar. Unfortunately, i have no ...
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0answers
39 views

What is this 'timber insert' on the construction drawing of a concrete parapet wall?

A sectional elevation of a concrete roof is shown below (drawing is from the early 70s): The roof slab is dimensioned as 6" thick with what appears to be 12" parapet wall with a 'Timber ...
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1answer
47 views

Do drawing dimensions have to start from datum?

When specifying the depth of a cut, should the dimension start from the datum surface or from the surface where the cut will be made? In the example below, a cut of 5mm is made from the surface ...
2
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1answer
150 views

How to model Motor Windings in Solidworks?

I want to model a DC motor in order to eventually do some simulations (temperature/cooling related) and I'm wondering what is the best way to model the motor windings? I've seen a few video's on how ...
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2answers
71 views

In what (free) software can I draw bodies in a 3D coordinate system?

I'm looking for a software in which I can make images of this kind.
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0answers
23 views

How do split drawings from this without losing their dimension Autocad

I have a dxf file converted to dwg (unit: millimeters). There are 6 different drawings in the same file, How do I split those to different sheet. I wanted to take their consumption, as they are going ...
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0answers
69 views

Is my tolerance stackup correct?

Major questions: Are 0.028 locating tolerances divided by two for left/right shift? Do overall drawing tolerances apply to a thru hole with a locating tolerance of 0.028 (max material condition)? If ...
0
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1answer
83 views

New Part Number for every firmware update?

When developing an ECR/ECN process, the question of when to roll a rev vs. when to create a new part number must be answered. In researching this question, I've come across multiple sources that ...
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1answer
79 views

visualization of intersection of two objects [closed]

This is from a design entrance that I am preparing for. I know it's a little different than a theoretical projection drawing that engineering books usually cover. It is more practical and ...
0
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1answer
180 views

Engineering Drawing-Projection of intersection curve of two standing cones

I have this projection of two intersecting cones, and I am asked to draw the intersection curve of the two cones on the projection. What is the right way to do it?
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2answers
39 views

Technical Drawing: Labelling a component that's not part of my design but integral to my system

I am creating a technical drawing of a system I created. Let's call my system, system X. System X is a mounting mechanism for already invented system Y. System Y is customizable, however, system X is ...
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1answer
46 views

Help interpreting dimensions from this drawing

Why there are different dimensions for the same measurements on this drawing? For example 0.127mils and 0.097 mils pin to pin. Or highlighted 405 and 385 mils. I can't find anything on the datasheet ...
0
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1answer
107 views

Show all sides of a solidworks part in a solidworks drawing

I'm new to solidworks, and I built my part and would like to put it into a drawing. Its a small square box-like base with one side of the base having holes in it. When I put my parts into the drawing, ...
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2answers
50 views

How to communicate to keep original dimensions of a part in a technical drawing?

Example: let's say that I have a rectangular part that I would like machined. I'd like to cut it to change the length, but the width and thickness are fine as is. The width and thickness are not nice ...
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1answer
172 views

What do the short parallel lines mean in a symmetrical value?

I was wondering if the short parallel lines at the ends mean anything?
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2answers
62 views

Technical Drawing Content

When producing a set of engineering drawings for products we tend to specify the materials used for the part in the notes. For example if it's a moulded part we'd specify PA6 GF20 and then the ...
0
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1answer
832 views

Fusion360 - How do I fill these sketch planes into a body?

How do I make this highlighted part of drawing a solid body so that I can than boolean / subtract it later? All of these faces / planes are connected.
0
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1answer
2k views

Understanding hole specifications

I am trying to interpret the hole specifications in the attached diagram. What does each component mean? I understand what 'Thru All' means, does 4x mean 4 holes? What is the diameter of the hole? is ...
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1answer
48 views

Document Feathering Tolerance on Drawing

I am recreating an engineering drawing package from old quotes for a large assembly. In the quote they say "All length edges not to exceed 1/32" deep feathering". For some context this is for a bunch ...
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0answers
121 views

What is the minor diameter of a thread in terms of its nominal diameter and pitch?

I'm trying to find the formula for calculating the tensile stress area of a bolt. According to page 1528 of The Machinery's Handbook (29th Ed.), that formula is given as $$ A_S=\frac{\pi}{4}\left(\...
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0answers
448 views

GD&T for Multiple Surfaces as Single Feature

I'm looking to get some collective agreement on a question that I have come across a few times now. When referring to features that are technically independent, what is the general consensus on ...
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2answers
2k views

Drawing isometric from two orthographic views [duplicate]

I'm having a trouble drawing this isometric shape. I hope to find the drawing for this shape. ( would be so grateful if it's drawn in that isometric cube where each square of the cube is one unit of ...
4
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2answers
5k views

What does an E in a circle after a diameter mean?

I’m pretty sure it’s something to do with the fitting, possibly specifying to use the minimum circumscribed or maximum inscribed circle to tolerance the diameter but I can’t remember. The tolerance ...
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2answers
728 views

Read holes schematic drawing notation. How to? Particular case

I am asking here for your help and advice on how to read holes schematic notations. On the attached picture I've marked with a green color part of notation that I don't know how to read / understand. ...
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3answers
30k views

Top View,Front View,Left view and right view help [closed]

I have to draw the front,top,left and right views of a given solid objects without scaling them i.e freehand. I am much beginner in this drawings. So I am getting no idea of how the given solid object ...
3
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1answer
991 views

How to draw isometric view of this shape?

I'm having trouble drawing an isometric view of this shape: I've only just started an engineering course and so far it's involved a lot of drawing which I usually can do but I can't seem to figure ...
2
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3answers
1k views

Technical drawing for a part with complex (non-line, non-arc) geometry

I've been making technical drawings for various parts I've designed. Since these parts were meant to be 3D printed, this is mainly just to have them in my portfolio so I have something to show/talk ...