SlideShare a Scribd company logo
1 of 29
Download to read offline
Chapter 10
Conventional Practice
in Section View
TOPICS
Section view representation
of rib, web, spoke and lug.
Aligned section
Conventional break
Section view
representation of
rib, web, spoke and lug
TERMINOLOGY
Rib and Web are thin, flat feature of an object that
acts as a structural support.
Rib Rib
Web
Rim
Spoke is the rod radiating from the hub to the rim
of a wheel.
Spoke
Spoke
Rim
Hub
TERMINOLOGY
Hub
Lug is an ear which is built as portion of an object
for attachment.
TERMINOLOGY
Lug is an ear which is built as portion of an object
for attachment.
TERMINOLOGY
CONVENTIONAL PRACTICE
Omit the section lines on the section view of
 Rib, Web and Lug, if the cutting plane is
passed flatwise through.
 Spoke, if the cutting plane is passed longwise
through.
EXAMPLE : RIB
Normal multiview drawing
Normal section view
Section view drawing with
convention
EXAMPLE : WEB : flatwise cut
Normal multiview drawing
Normal section view
Section view drawing with
convention
EXAMPLE : WEB : crosswise cut
EXAMPLE : WEB : multiple section view
EXAMPLE : SPOKE
Misleading impression
EXAMPLE : LUG
Aligned Section
DEFINITION
Aligned section is a section view that is drawn
by imaginary rotating the object’s features
appeared in a principal view about symmetry
axis
Example : Hole
Gives the impression that this holes
are at unsymmetrical position.
Example : Hole
Example : Rib
Example : Ribs & Holes
Example : Aligned section of keywayExample : Spoke & Keyway
Example : Lug
Conventional Break
CONVENTIONAL PRACTICE
For long objects that have to draw in a small
scale to fit them on the paper, it is recommended
to remove its long portion (which contains no
important information) and draw the break lines
at the broken ends.
SCALE 1:1
Example
Example
SCALE 2:1
STANDARD BREAK LINES
Rectangular
cross section
Wood
Metal
Cylindrical
cross section
Tubular
cross section
TO DRAW CYLINDRICAL BREAK
R
R/3 R/3
30o
30o
800
TO DIMENSION A BROKEN PART
Typical
dimensioning
method
f16
not to scale dimensions
f16
800

More Related Content

More from antonio dellisanti

More from antonio dellisanti (6)

Esercitazione n6
Esercitazione n6Esercitazione n6
Esercitazione n6
 
Esercitazione n3
Esercitazione n3Esercitazione n3
Esercitazione n3
 
Esercitazione n2
Esercitazione n2Esercitazione n2
Esercitazione n2
 
Esercitazione disegno1
Esercitazione disegno1Esercitazione disegno1
Esercitazione disegno1
 
Disegno meccanico
Disegno meccanicoDisegno meccanico
Disegno meccanico
 
Chapter 08 orthographic convention
Chapter 08 orthographic conventionChapter 08 orthographic convention
Chapter 08 orthographic convention
 

Recently uploaded

16. Discovery, function and commercial uses of different PGRS.pptx
16. Discovery, function and commercial uses of different PGRS.pptx16. Discovery, function and commercial uses of different PGRS.pptx
16. Discovery, function and commercial uses of different PGRS.pptxUmeshTimilsina1
 
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...Nguyen Thanh Tu Collection
 
Scientific Writing :Research Discourse
Scientific  Writing :Research  DiscourseScientific  Writing :Research  Discourse
Scientific Writing :Research DiscourseAnita GoswamiGiri
 
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...Nguyen Thanh Tu Collection
 
Indexing Structures in Database Management system.pdf
Indexing Structures in Database Management system.pdfIndexing Structures in Database Management system.pdf
Indexing Structures in Database Management system.pdfChristalin Nelson
 
Q-Factor General Quiz-7th April 2024, Quiz Club NITW
Q-Factor General Quiz-7th April 2024, Quiz Club NITWQ-Factor General Quiz-7th April 2024, Quiz Club NITW
Q-Factor General Quiz-7th April 2024, Quiz Club NITWQuiz Club NITW
 
The role of Geography in climate education: science and active citizenship
The role of Geography in climate education: science and active citizenshipThe role of Geography in climate education: science and active citizenship
The role of Geography in climate education: science and active citizenshipKarl Donert
 
Paul Dobryden In Media Res Media Component
Paul Dobryden In Media Res Media ComponentPaul Dobryden In Media Res Media Component
Paul Dobryden In Media Res Media ComponentInMediaRes1
 
Farrington HS Streamlines Guest Entrance
Farrington HS Streamlines Guest EntranceFarrington HS Streamlines Guest Entrance
Farrington HS Streamlines Guest Entrancejulius27264
 
Employablity presentation and Future Career Plan.pptx
Employablity presentation and Future Career Plan.pptxEmployablity presentation and Future Career Plan.pptx
Employablity presentation and Future Career Plan.pptxryandux83rd
 
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFE
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFEPART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFE
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFEMISSRITIMABIOLOGYEXP
 
Tree View Decoration Attribute in the Odoo 17
Tree View Decoration Attribute in the Odoo 17Tree View Decoration Attribute in the Odoo 17
Tree View Decoration Attribute in the Odoo 17Celine George
 
How to create _name_search function in odoo 17
How to create _name_search function in odoo 17How to create _name_search function in odoo 17
How to create _name_search function in odoo 17Celine George
 
4.11.24 Poverty and Inequality in America.pptx
4.11.24 Poverty and Inequality in America.pptx4.11.24 Poverty and Inequality in America.pptx
4.11.24 Poverty and Inequality in America.pptxmary850239
 
Grade Three -ELLNA-REVIEWER-ENGLISH.pptx
Grade Three -ELLNA-REVIEWER-ENGLISH.pptxGrade Three -ELLNA-REVIEWER-ENGLISH.pptx
Grade Three -ELLNA-REVIEWER-ENGLISH.pptxkarenfajardo43
 
4.9.24 School Desegregation in Boston.pptx
4.9.24 School Desegregation in Boston.pptx4.9.24 School Desegregation in Boston.pptx
4.9.24 School Desegregation in Boston.pptxmary850239
 

Recently uploaded (20)

16. Discovery, function and commercial uses of different PGRS.pptx
16. Discovery, function and commercial uses of different PGRS.pptx16. Discovery, function and commercial uses of different PGRS.pptx
16. Discovery, function and commercial uses of different PGRS.pptx
 
CARNAVAL COM MAGIA E EUFORIA _
CARNAVAL COM MAGIA E EUFORIA            _CARNAVAL COM MAGIA E EUFORIA            _
CARNAVAL COM MAGIA E EUFORIA _
 
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...
BÀI TẬP BỔ TRỢ 4 KĨ NĂNG TIẾNG ANH LỚP 8 - CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC ...
 
Chi-Square Test Non Parametric Test Categorical Variable
Chi-Square Test Non Parametric Test Categorical VariableChi-Square Test Non Parametric Test Categorical Variable
Chi-Square Test Non Parametric Test Categorical Variable
 
Scientific Writing :Research Discourse
Scientific  Writing :Research  DiscourseScientific  Writing :Research  Discourse
Scientific Writing :Research Discourse
 
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...
CHUYÊN ĐỀ ÔN THEO CÂU CHO HỌC SINH LỚP 12 ĐỂ ĐẠT ĐIỂM 5+ THI TỐT NGHIỆP THPT ...
 
Indexing Structures in Database Management system.pdf
Indexing Structures in Database Management system.pdfIndexing Structures in Database Management system.pdf
Indexing Structures in Database Management system.pdf
 
Q-Factor General Quiz-7th April 2024, Quiz Club NITW
Q-Factor General Quiz-7th April 2024, Quiz Club NITWQ-Factor General Quiz-7th April 2024, Quiz Club NITW
Q-Factor General Quiz-7th April 2024, Quiz Club NITW
 
The role of Geography in climate education: science and active citizenship
The role of Geography in climate education: science and active citizenshipThe role of Geography in climate education: science and active citizenship
The role of Geography in climate education: science and active citizenship
 
Israel Genealogy Research Assoc. April 2024 Database Release
Israel Genealogy Research Assoc. April 2024 Database ReleaseIsrael Genealogy Research Assoc. April 2024 Database Release
Israel Genealogy Research Assoc. April 2024 Database Release
 
Paul Dobryden In Media Res Media Component
Paul Dobryden In Media Res Media ComponentPaul Dobryden In Media Res Media Component
Paul Dobryden In Media Res Media Component
 
Farrington HS Streamlines Guest Entrance
Farrington HS Streamlines Guest EntranceFarrington HS Streamlines Guest Entrance
Farrington HS Streamlines Guest Entrance
 
Employablity presentation and Future Career Plan.pptx
Employablity presentation and Future Career Plan.pptxEmployablity presentation and Future Career Plan.pptx
Employablity presentation and Future Career Plan.pptx
 
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFE
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFEPART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFE
PART 1 - CHAPTER 1 - CELL THE FUNDAMENTAL UNIT OF LIFE
 
Tree View Decoration Attribute in the Odoo 17
Tree View Decoration Attribute in the Odoo 17Tree View Decoration Attribute in the Odoo 17
Tree View Decoration Attribute in the Odoo 17
 
How to create _name_search function in odoo 17
How to create _name_search function in odoo 17How to create _name_search function in odoo 17
How to create _name_search function in odoo 17
 
4.11.24 Poverty and Inequality in America.pptx
4.11.24 Poverty and Inequality in America.pptx4.11.24 Poverty and Inequality in America.pptx
4.11.24 Poverty and Inequality in America.pptx
 
Introduction to Research ,Need for research, Need for design of Experiments, ...
Introduction to Research ,Need for research, Need for design of Experiments, ...Introduction to Research ,Need for research, Need for design of Experiments, ...
Introduction to Research ,Need for research, Need for design of Experiments, ...
 
Grade Three -ELLNA-REVIEWER-ENGLISH.pptx
Grade Three -ELLNA-REVIEWER-ENGLISH.pptxGrade Three -ELLNA-REVIEWER-ENGLISH.pptx
Grade Three -ELLNA-REVIEWER-ENGLISH.pptx
 
4.9.24 School Desegregation in Boston.pptx
4.9.24 School Desegregation in Boston.pptx4.9.24 School Desegregation in Boston.pptx
4.9.24 School Desegregation in Boston.pptx
 

Chapter 10 convention in section