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Infofiche werktekeningen | Tom de Win DBHO | YouTubeToText
YouTube Transcript: Infofiche werktekeningen
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Video Transcript
[Music] In
this info sheet you will learn what the definition
of my work is, see what the
properties are by briefly repeating
what views are and how to
view them in the end of the month, it
is explained in which way
way
dimensions are drawn and distance, it is
also explained what the different line
types and symbols are on and working
drawings to the scale of the drawing and
the title angle are explained in these info sheets
and finally all
difficult words and concepts are physiologically explained with this information
information [Music]
[Music]
A working drawing is a technical
drawing that is necessary to accurately copy a technical
part product or workpiece
the working drawing therefore aims to provide the
executor with all the necessary information
that is necessary for the production of
the workpiece a
working drawing can consist of a detail
drawing of a part or an
assembly of different parts
parts
we also have other work drawings such as
plof drawing and unfolding
but we will not go into them further in this info sheet in
in
a working drawing must always meet
a few properties
the shape construction dimensions and
material of a part are
crucial to be able to create the part properly
furthermore size and always
indicated in millimeters she said that otherwise is indicated
indicated
and if Finally, it's also important that
a working drawing is clear and concise
so that no
confusion can arise when copying
the workpiece. For our working drawing,
we use the European projection method.
projection method.
You can always recognize a European projection method by this symbol.
The views always start from the
front view.
The front view is colored yellow and,
in the European projection method, is
always viewed from the bottom right corner.
In a working drawing, it's
important to know which view of
your workpiece you're looking at.
With the European projection, you have to think of the
object or part in front of the plane of
the drawing to see the left side
or the blue view of the part. If
you tilt the object to the right, the
left side view will be to the right of
the front view. In the same
way, the top view appears,
the red plane below the front view.
The three basic views are
normally sufficient to show the full
shape of a part.
However, isometric perspective is
often added to the working drawing to create
an even clearer image.
With the views and
perspective, you can sketch a good shape of
the part. Therefore, to
properly execute a technical drawing,
you must not only To
understand the view, but also to know what the lines
on the working drawing mean, to
make drawings clear to everyone, the dimensions on a
drawing must meet certain standards.
The dimension numbers must be written in large letters
in the center of the dimension line.
dimension line.
The dimension number must be one millimeter from the
dimension line.
The arrows must be 4 millimeters long and
1.5 mm wide, and so on.
Because working drawings are now
drawn by computer, you
usually no longer have to worry about them.
Drawing programs like Autodesk Inventor
Inventor
are programmed to project the dimensions
according to the standard. A dimension
always consists of four parts.
Tomatoes are a line with two arrowheads
arrowheads
one millimeter above the dimensions.
The dimension number is also displayed.
This dimension number is drawn as much as possible in
the middle of the month line.
The arrows for the dimension length are
drawn between two o'clock on the dimension line and
indicate the tilt from to the
displayed dimension. The thin auxiliary
dimensions allow you to see exactly between which
lines of your views the tomato is drawn.
When there is insufficient space to draw it,
the dimensions or the arrows are on the
outside of the auxiliary dimension lines. Lines
drawn on a working drawing also
always include different types of lines.
We'll summarize the most important ones
using an example. A solid
line serves to represent the normally visible
contours of the view.
These are the thickest lines on a working drawing.
working drawing.
A regular line represents
hidden lines. In this example, the
lines and lines are shown. And that goes back into the workpiece.
workpiece.
You can't see it directly in this
view, but it is there and must
be drawn with lines and a
center line or a thin mixed line.
A symmetrical figure is divided in
half. The two halves are each other's mirror
images. In a circle, but also in
a rectangle or square, two
center lines can be drawn that
intersect in the middle.
This is important for drill holes because you can
indicate the center point of a
hole. When we
want to show a cross-section of a workpiece,
we indicate this with hatching.
hatching.
Note that the line that
indicates this has now become a solid line.
The hole is no longer visible
in this view.
The symbols on a working drawing are
usually limited.
The most important ones are the angles, which are
indicated with the dot to
indicate degrees, and the radius. or the
radio this is represented by the
letter r the radius is the distance from
any point on the edge of a circle
circle
to the center of the circle and the
diameter is used to indicate the size
of a circle or drill hole
drawing and to scale is
drawing workpieces larger or smaller than the
actual size
enlarging is done so that certain
details can be seen better and reducing is done
to be able to display large workpieces on a sheet
the actual size is always shown
as a scale of 1 to 1
when you enlarge when drawing to scale
you have for example a
scale of 2 to 1
the drawing is then shown twice as large
as the actual size
when reducing this you write the
other way around and drawing that is half as large
as the actual size is
in the lower right corner of the drawing sheet
you will find the general information about the workpiece
workpiece
this contains various data
that can be important for
the executor
you can find there for example who made the drawing
the number of version of
the working drawing you are viewing or the date on which
the drawing was made and title
angle hardly company different
but you will often find the same
data in it in this slide
all the difficult words are shown again and
concepts from this information sheet are
listed and explained. Please
take a moment to look at them
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