Gdz on drawing graphic work number 8. Practical and graphic works on drawing. Reinforcement task

07.03.2020

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Graphic and test work in the subject "Drawing" allow you to organize independent, individual and collective work in the classroom, taking into account the characteristics of the students.

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Starting control of drawing training in 8th grade (for 7th grade)

Last name, class:______________________________________________________________

What is the subject of study in the subject "Drawing"? _____________________________________________________________________________________________________________________________________________________________________________
What does it stand for: E S K D?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Name the main lines of the drawing: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Write down the known dimensions of the drawing font and the angle of inclination of the letters for italic font type B: __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Name the types of triangles: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Name the types of quadrilaterals: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
List the names of geometric bodies: ________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Types of angles and their designation: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
What is pairing? ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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7th grade

On HORIZONTAL

Build FOUR circle radius 30 mm each
into 3, 4, 5 and 6 equal parts

7th grade

GRAPHIC DRAWING WORK

“Dividing a circle into equal parts” Task:

On HORIZONTAL On a sheet of notebook located in the center of the working field, draw an axial (center) line for further construction of circles on it.

Line type: dash-dotted thin line.

Start constructing circles from the middle of the drawn center line.
Build FOUR circle radius 30 mm each using a compass. Please note that the construction of a circle begins with the construction of a perpendicular second center line passing through the center of the circle.
Divide the constructed circles from left to right using previously learned methods.into 3, 4, 5 and 6 equal parts. Save auxiliary for constructing the line.
As a result of the work done, you should get four regular polygons inscribed in circles.

7th grade

GRAPHIC DRAWING WORK

“Dividing a circle into equal parts” Task:

On HORIZONTAL On a sheet of notebook located in the center of the working field, draw an axial (center) line for further construction of circles on it.

Line type: dash-dotted thin line.

Start constructing circles from the middle of the drawn center line.
Build FOUR circle radius 30 mm each using a compass. Please note that the construction of a circle begins with the construction of a perpendicular second center line passing through the center of the circle.
Divide the constructed circles from left to right using previously learned methods.into 3, 4, 5 and 6 equal parts. Save auxiliary for constructing the line.
As a result of the work done, you should get four regular polygons inscribed in circles.

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DRAWING - 7TH GRADE

_________________________________________

Graphic work on the topic “Drawing lines.

Working with drawing tools."

Draw a square with a side of 15 cm in your workbook on a separate sheet of paper.
Divide the square with a diagonal drawn from the lower left corner.
In the resulting division areas, perform the following constructions:

A) in one area, draw horizontal lines at intervals of 1 cm.

B) in another area, draw vertical lines at intervals of 0.5 cm.

_______________________________________________________________

Test work on the topic “Subject “Drawing”. Blueprints"

What does the subject "Drawing" study?
What is a drawing called?
List the drawing tools used in drawing lessons at school.
List the areas of industry where drawings are used.
What can be determined from a product drawing by “reading” it?

When answering questions, you should not rewrite the question itself.

You need to write its serial number and answer

Above the square, draw an isosceles trapezoid with bases of 120 mm (lower) and 70 mm (upper). The height of the trapezoid is 50 mm.

Under the square, place a rectangle with sides 140 mm and 50 mm.

Divide the rectangle into four parts by diagonals.

_________________________________________________________

The work must be done clearly and accurately,

trying to draw all lines of the same thickness.

_______________________________________________________________

Workbook

Introduction to the Subject of Drawing

The history of the emergence of graphic methods of images and drawings

Drawings in Rus' were made by “draftsmen”, a mention of which can be found in the “Pushkar Order” of Ivan IV.

Other images - drawings, were a bird's eye view of the structure.

At the end of the 12th century. In Russia, large-scale images are introduced and dimensions are indicated. In the 18th century, Russian draftsmen and Tsar Peter I himself made drawings using the method of rectangular projections (the founder of the method is the French mathematician and engineer Gaspard Monge). By order of Peter I, the teaching of drawing was introduced in all technical educational institutions.

The entire history of the development of the drawing is inextricably linked with technical progress. Currently, the drawing has become the main document of business communication in science, technology, production, design, and construction.

It is impossible to create and check a machine drawing without knowing the basics of the graphic language. Which you will meet while studying the subject "Drawing"

Types of graphic images

Exercise: label the names of the images.

The concept of GOST standards. Formats. Frame. Drawing lines.

Exercise 1

Graphic work No. 1

"Formats. Frame. Drawing lines"

Examples of work performed

Test tasks for graphic work No. 1

Option #1.

1. What designation according to GOST has a format of size 210x297:

a) A1; b) A2; c) A4?

2. What is the thickness of the dash-dot line if in the drawing the solid main thick line is 0.8 mm:

a) 1mm: b) 0.8 mm: c) 0.3 mm?

______________________________________________________________

Option #2.

Select and underline the correct answers to the questions.

1. Where in the drawing is the main inscription located:

a) in the lower left corner; b) in the lower right corner; c) in the upper right corner?

2. How much should the axial and center lines extend beyond the contour of the image:

a) 3…5 mm; b) 5…10 mm4 c) 10…15 mm?

Option #3.

Select and underline the correct answers to the questions.

1. What arrangement of A4 format is allowed by GOST:

A) vertical; b) horizontal; c) vertical and horizontal?

2. . What is the thickness of a solid thin line if in the drawing the solid main thick line is 1 mm:

a) 0.3 mm: b) 0.8 mm: c) 0.5 mm?

Option number 4.

Select and underline the correct answers to the questions.

1. At what distance from the edges of the sheet is the drawing frame drawn:

a) left, top, right and bottom – 5 mm each; b) left, top and bottom – 10 mm, right – 25 mm; c) left – 20 mm, top, right and bottom – 5 mm each?

2. What type of line are the axial and center lines made in the drawings:

a) a solid thin line; b) dash-dotted line; c) dashed line?

Option #5.

Select and underline the correct answers to the questions.

1. What are the dimensions of the A4 format according to GOST:

a) 297x210 mm; b) 297x420 mm; c) 594x841 mm?

2. Depending on which line the thickness of the drawing lines is selected:

a) dash-dotted line; b) a solid thin line; c) a solid main thick line?

Fonts (GOST 2304-81)

Font types:

Font sizes:

Practical tasks:

Calculations of drawing font parameters

Test tasks

Option #1.

Select and underline the correct answers to the questions.

What value is taken as the font size:

a) the height of a lowercase letter; b) height of capital letter; c) the height of the spaces between the lines?

Option #2.

Select and underline the correct answers to the questions.

What is the height of the capital letter of rift No. 5:

a) 10 mm; b) 7 mm; c) 5 mm; d) 3.5 mm?

Option #3.

Select and underline the correct answers to the questions.

What is the height of lowercase letters that have protruding elements? c, d, b, r, f:

a) the height of the capital letter; b) the height of a lowercase letter; c) greater than the height of the capital letter?

Option number 4.

Select and underline the correct answers to the questions.

Are uppercase and lowercase letters different in writing? A, E, T, G, I:

a) differ; b) do not differ; c) do they differ in the spelling of individual elements?

Option #5.

Select and underline the correct answers to the questions.

What does the height of the numbers of a drawing font correspond to:

a) the height of a lowercase letter; b) the height of the capital letter; c) half the height of a capital letter?

Graphic work No. 2

"Drawing of a flat part"

Cards - tasks

1 option

Option 2

Option 3

Option 4

Geometric constructions

Dividing a circle into 5 and 10 parts

Dividing a circle into 4 and 8 parts

Dividing a circle into 3, 6 and 12 parts

Dividing a segment into 9 parts

Fixing the material

Practical work:

Based on these types, build a third one. Scale 1:1

Option #1

Option No. 2

Option No. 3

Option No. 4

Fixing the material

Write your answers in your workbook:

Option #1

Option No. 2

Practical work No. 3

"Modeling from a drawing."

Directions for use

To make a cardboard model, first cut out its blank. Determine the dimensions of the workpiece from the image of the part (Fig. 58). Mark (outline) the cutouts. Cut them along the outlined contour. Remove the cut out parts and bend the model according to the drawing. To prevent the cardboard from straightening after bending, draw lines on the outside of the bend with some sharp object.

The wire for modeling must be soft and of arbitrary length (10 – 20 mm).

Fixing the material

Option No. 1 Option No. 2

Fixing the material

In your workbook, draw a drawing of the part in 3 views. Apply dimensions.

Option No. 3 Option No. 4

Fixing the material

Working with cards

Fixing the material

Using colored pencils, complete the task on the card.

Amount (increase)

Clipping

Reinforcement task

Oval -

Algorithm for constructing an oval

1. Construct an isometric projection of a square - rhombus ABCD

2. Let us denote the points of intersection of the circle and the square 1 2 3 4

3. From the top of the rhombus (D) draw a straight line to point 4 (3). We obtain segment D4, which will be equal to the radius of the arc R.

4. Let's draw an arc that will connect points 3 and 4.

5. At the intersection of segment B2 and AC, we obtain point O1.

When the segment D4 and AC intersect, we obtain point O2.

6. From the resulting centers O1 and O2 we will draw arcs R1 that will connect points 2 and 3, 4 and 1.

Fixing the material

Complete a technical drawing of the part, two views of which are shown in Fig. 62

Graphic work No. 9

Part sketch and technical drawing

1. What is called sketch?

Fixing the material

Exercise tasks

Practical work No. 7

"Reading Blueprints"

Graphic dictation

“Drawing and technical drawing of a part based on a verbal description”

Option #1

Frame is a combination of two parallelepipeds, of which the smaller one is placed with a larger base in the center of the upper base of the other parallelepiped. A through stepped hole runs vertically through the centers of the parallelepipeds.

The total height of the part is 30 mm.

The height of the lower parallelepiped is 10 mm, length 70 mm, width 50 mm.

The second parallelepiped has a length of 50 mm and a width of 40 mm.

The diameter of the bottom step of the hole is 35 mm, height 10 mm; diameter of the second stage is 20 mm.

Note:

Option No. 2

Support is a rectangular parallelepiped, to the left (smallest) face of which is attached a half-cylinder, which has a common lower base with the parallelepiped. In the center of the upper (largest) face of the parallelepiped, along its long side, there is a prismatic groove. At the base of the part there is a through hole of a prismatic shape. Its axis coincides in the top view with the axis of the groove.

The height of the parallelepiped is 30 mm, length 65 mm, width 40 mm.

Half-cylinder height 15 mm, base R 20 mm.

The width of the prismatic groove is 20 mm, the depth is 15 mm.

Hole width 10 mm, length 60 mm. The hole is located at a distance of 15 mm from the right edge of the support.

Note: When drawing dimensions, consider the part as a whole.

Option No. 3

Frame is a combination of a square prism and a truncated cone, which stands with its large base in the center of the upper base of the prism. A through stepped hole runs along the axis of the cone.

The total height of the part is 65 mm.

The height of the prism is 15 mm, the size of the sides of the base is 70x70 mm.

The height of the cone is 50 mm, the lower base is Ǿ 50 mm, the upper base is Ǿ 30 mm.

The diameter of the lower part of the hole is 25 mm, height 40 mm.

The diameter of the upper part of the hole is 15 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 4

Sleeve is a combination of two cylinders with a stepped through hole that runs along the axis of the part.

The total height of the part is 60 mm.

The height of the lower cylinder is 15 mm, the base is Ǿ 70 mm.

The base of the second cylinder is Ǿ 45 mm.

Bottom hole Ǿ 50 mm, height 8 mm.

The upper part of the hole is Ǿ 30 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 5

Base is a parallelepiped. In the center of the upper (largest) face of the parallelepiped, along its long side, there is a prismatic groove. There are two through cylindrical holes in the groove. The centers of the holes are spaced from the ends of the part at a distance of 25 mm.

The height of the parallelepiped is 30 mm, length 100 mm, width 50 mm.

Groove depth 15 mm, width 30 mm.

Hole diameters are 20 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 6

Frame It is a cube, along the vertical axis of which there is a through hole: semi-conical at the top, and then turning into a stepped cylindrical one.

Cube edge 60 mm.

The depth of the semi-conical hole is 35 mm, the upper base is 40 mm, the bottom is 20 mm.

The height of the bottom step of the hole is 20 mm, the base is 50 mm. The diameter of the middle part of the hole is 20 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 7

Support is a combination of a parallelepiped and a truncated cone. The cone with its large base is placed in the center of the upper base of the parallelepiped. In the center of the smaller side faces of the parallelepiped there are two prismatic cutouts. A through hole of cylindrical shape Ǿ 15 mm is drilled along the axis of the cone.

The total height of the part is 60 mm.

The height of the parallelepiped is 15 mm, length 90 mm, width 55 mm.

The diameters of the cone bases are 40 mm (lower) and 30 mm (upper).

The length of the prismatic cutout is 20 mm, width 10 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 8

Frame is a hollow rectangular parallelepiped. In the center of the upper and lower base of the body there are two conical bosses. A through hole of cylindrical shape Ǿ 10 mm passes through the centers of the tides.

The total height of the part is 59 mm.

The height of the parallelepiped is 45 mm, length 90 mm, width 40 mm. The thickness of the walls of the parallelepiped is 10 mm.

The height of the cones is 7 mm, the base is Ǿ 30 mm and Ǿ 20 mm.

Note: When drawing dimensions, consider the part as a whole.

Option No. 9

Support is a combination of two cylinders with one common axis. A through hole runs along the axis: at the top it is prismatic in shape with a square base, and then cylindrical in shape.

The total height of the part is 50 mm.

The height of the lower cylinder is 10 mm, the base is Ǿ 70 mm. The diameter of the base of the second cylinder is 30 mm.

The height of the cylindrical hole is 25 mm, the base is Ǿ 24 mm.

The base side of the prismatic hole is 10 mm.

Note: When drawing dimensions, consider the part as a whole.

Test

Graphic work No. 11

“Drawing and visual representation of the part”

Using the axonometric projection, construct a drawing of the part in the required number of views on a scale of 1:1. Add dimensions.

Graphic work No. 10

“Sketch of a part with design elements”

Draw a drawing of a part from which parts have been removed according to the markings applied. The projection direction for constructing the main view is indicated by an arrow.

Graphic work No. 8

“Drawing of a part with transformation of its shape”

General concept of shape transformation. Relationship between drawing and markings

Graphic work

Making a drawing of an object in three views with transforming its shape (by removing part of the object)

Complete the technical drawing of the part, making, instead of the protrusions marked with arrows, notches of the same shape and size in the same place.

Logical thinking task

Topic “Design of drawings”

Crossword "Projection"

1.The point from which the projecting rays emanate during central projection.

2. What is obtained as a result of modeling.

3. Cube face.

4. The image obtained during projection.

5. In this axonometric projection, the axes are located at an angle of 120° to each other.

6. In Greek, this word means “double dimension.”

7. Side view of a person or object.

8. Curve, isometric projection of a circle.

9. The image on the profile projection plane is a view...

Rebus on the topic “View”

Rebus

Crossword "Axonometry"

Vertically:

1. Translated from French as “front view”.

2. The concept in drawing of what the projection of a point or object is obtained on.

3. The boundary between the halves of a symmetrical part in the drawing.

4. Geometric body.

5. Drawing tool.

6. Translated from Latin, “throw, throw forward.”

7. Geometric body.

8. The science of graphic images.

9. Unit of measurement.

10. Translated from Greek as “double dimension”.

11. Translated from French as “side view”.

12. In the drawing, “she” can be thick, thin, wavy, etc.

Technical Dictionary of Drawing

Term	Definition of a term or concept
Axonometry
Algorithm
Analysis of the geometric shape of an object
Boss
Shoulder

Shaft
Vertex
View
Main view
Additional view
Local view
Screw
Sleeve

Dimensions
screw
Fillet
Geometric body
Horizontal
Ready room
Edge

Dividing a circle
Division of a segment
Diameter
ESKD

Drawing tools
Tracing paper
Pencil
Drawing Layout
Construction
Circuit
Cone
Pattern curves
Circular curves

Pattern
Rulers
Line - leader
Extension line
Transition line
Dimensional line
Solid line
Dashed line
Dashed line
Lyska

Scale
Monge method
Polyhedron
Polygon
Modeling
Main inscription
Applying dimensions
Drawing outline
Break
Oval
Ovoid
Circle
Circle in axonometric projection
Ornament
Axonometric axes
Axis of rotation
Projection axis
Axis of symmetry
Hole

Groove
Keyway
Parallelepiped
Pyramid
Projection plane
Prism
Axonometric projections
Projection
Isometric rectangular projection
Frontal dimetric oblique projection
Projection
Groove

Scan
Size
Overall dimensions
Structural dimensions
Coordinating sizes
Part element dimensions
Gap
Drawing frame
Edge
Technical drawing
Symmetry
Pairing
Standard
Standardization
Arrows
Scheme

Thor
Mating point
Protractor
Squares
Simplifications and conventions

Chamfer
Drawing formats
Frontal
Projection center
Pairing center
Cylinder
Compass

Drawing
Working drawing
Drawing
Dimensional number
Reading the drawing

Washer
Ball
Slot
Engraving
Font
Hatching Hatching in axonometry
Ellipse
Sketch

Workbook

Practical and graphic work on drawing

The notebook was developed by Anna Aleksandrovna Nesterova, teacher of the highest category of drawing and fine art, teacher of the Municipal Budget Educational Institution “Secondary School No. 1 of Lensk”

Introduction to the Subject of Drawing
Materials, accessories, drawing tools.

Reading a drawing involves imagining the volumetric shape of an object from flat images and determining its dimensions. It is recommended to carry out this work in the following sequence:

Read the title block of the drawing. From it you can find out the name of the part, the name of the material from which it is made, the scale of the images and other information.

Determine what types of parts are given in the drawing, which of them is the main one.
Consider the types in relation to each other and try to determine the shape of the part with all the details. This task is helped by analyzing the images and data in the drawing. Having imagined the geometric shape of each part of the part from the drawing, they mentally combine them into a single whole.
Determine the dimensions of the part and its elements from the drawing. Let's give an example of reading a drawing of a part (first, questions about the drawing are given, and then answers to them).

Questions for the drawing (Fig. 143. Questions are compiled in a sequence corresponding to the correct order of reading drawings)

What is the name of the part?
What material is it made from?
What scale is the drawing made at?
What types does the drawing contain?
Describe the general shape of the part.
What are the overall dimensions of the parts and the dimensions of the individual parts?

Rice. 143. Part drawing

Answers to questions about the drawing (see Fig. 143).

Read the drawing in Figure 145.

Rice. 145. Exercise task

Questions about the drawing

What is the name of the part?
What material is it made from?
What types are shown in the drawing?
The combination of which geometric bodies determines the shape of the part?
What parts of the part are shown in the main view by two circles with a diameter of 10?
What elements are represented by circles with a diameter of 18 and why are they drawn in the main view with dashed lines?
What are the overall dimensions of the part?

Practical work No. 7. 1. Oral reading of drawings

As instructed by the teacher, read one of the drawings in Figure 146. Write down the answers to the questions in your notebook.

Rice. 146. Assignments for practical work No. 7

Questions for reading blueprints

What is the name of the part? What material is it made from?
What scale is indicated in the drawing?
Which images convey the shape of the part?
What geometric bodies combine to form its shape?
Describe the shape of the part.
What are the overall dimensions? What is the size of the geometric bodies that form the shape of the part?

2. Solving fun problems

Rice. 148. Exercise tasks

Graphic work No. 8. Drawing an object in three views with transforming its shape (by removing part of the object)

Rice. 151. Tasks for graphic work No. 8

Directions for work. Complete tasks 1-4, as preparatory ones, in your workbook, task 5, as the main one, on an A4 sheet. Complete the images while maintaining the proportions of the subject; do not apply dimensions.

Graphic work№1

Drawing fonts

Purpose: to check the assimilation of knowledge on the topic “Drawing fonts”

Efremovskaya secondary school

Educational field Technology

Subject Drawing

Graphic works

Completed

Student's name

Checked

Teacher's name

2013-2014 academic year

Graphic work№2

Dividing a circle into equal parts

Purpose: to check the assimilation of knowledge on the topic “Dividing a circle into equal parts”

I-variant – into 3 parts

Option II – 5 parts

ІІІ-option – for 6 parts

ІY-version – for 8 parts

Graphic work№ 5

Target

I-option

Roller Steel 45

Graphic work№ 5

Drawing of parts with sections

Option II

Target : check your knowledge on the topic “Sections”

Finger Steel 50

Graphic work№ 5

Drawing of parts with sections

ІІІ-option

Target: check your knowledge on the topic “Sections”

Draw a sketch of the part on a sheet of A4 paper using a visual image. Reveal the cross-sectional shape of the part. Label it if necessary. Add dimensions.

Roller Steel 45

Graphic work№ 5

Drawing of parts with sections

ІY-variant

Target : check your knowledge on the topic “Sections”

Draw a sketch of the part on a sheet of A4 paper using a visual image. Reveal the cross-sectional shape of the part. Label it if necessary. Add dimensions.

Axle Steel St.5