Section 1 Common Measuring Tools
Section 2 Common Tools
Section 3 Public Equipment
First, the shearing machine
Second, the folding machine
Third, the plate rolling machine
Four, straightening machine
Verb (abbreviation for verb) edge planer
Six, hydraulic press
Seven, drilling machine
Eight, thin plate roller device
Chapter ii lofting.
The first section marking and lofting
I. Marking methods and commonly used symbols and tools
Second, the baseline and commonly used formulas
Third, the determination of lofting size
Four, the production of samples and sample rods
Five, machining allowance and lofting tolerance of parts
Section 2 Geometric Shape Analysis
First, the plane is three-dimensional.
Second, the surface is solid.
Section 3 Basic Methods of Sheet Metal Unfolding
A, parallel line method
Second, the radiation method
Three. River line law
Fourth, the calculation expansion method
Verb (abbreviation of verb) plate thickness treatment
The fourth quarter expansion calculation
I. Development of Cylinders and Intersections
Second, the expansion of undeveloped surface components.
Thirdly, the development of revolving surface parts.
Fourthly, the development of special-shaped joint parts.
5. Approximate development of parts requiring secondary blanking.
Chapter III Cutting Methods
Section 1 Common blanking methods and their selection
Section 2 Cutting and blanking
First, shearing machine blanking
Second, the drum shear blanking
Section 3 blanking
I. Overview
Second, the blanking process and section quality analysis
3. Clearance between blanking die and blanking die
Four. Total impact force f and impact force f
Verb (abbreviation for verb) Dimensions of working parts of punch and die.
Six, layout and lap joint
Seven. Structural manufacturability of blanking parts
Eight, common defects and improvement of blanking parts
Section 4 Oxygen-acetylene flame cutting
A, oxygen-acetylene flame cutting principle
Second, gas cutting equipment and tools
Section 5 Punching and blanking of thin-walled pipes
First, the punching process
Second, the tool shape and size
Third, the mold structure
Chapter IV Processing and Forming
Section 1 Parts Pretreatment
First, hole processing
Second, tapping and tapping.
Third, the groove is open.
Fourthly, grinding.
Section 2 Hand-shaping
First, bend
Second, edges and edges.
Third, wrapping and biting.
Fourth, pull the edge.
Section 3 Mechanical Forming
First, bend
Second, local molding.
3. Spinning forming
Chapter V Connection Technology
The first section riveting
I. rivets
Second, the riveting process
Three, riveting defects and preventive measures
Section 2 Welding
Classification and application of welding methods
Second, the weldability of materials
Three, welding machine model and classification
Fourth, weld the joint.
Verb (abbreviation for verb) gas welding
The third section threaded connection
First, screw connection
Second, the bolt connection
Third, stamping connection.
Section 4 Metal Bonding
First, the working principle
Second, the adhesive
Third, joint design.
Fourth, surface treatment.
Verb (abbreviation of verb) coating and curing of adhesive
Chapter VI Assembly and Correction of Steel Structure
Section 1 Fabrication and Installation of Steel Structure
First, the construction preparation
Second, the production of steel structure
Three. Assembly of steel structure
Fourth, the installation of steel structure
Common deformation causes and preventive measures of steel structure in the second quarter
First, the causes and prevention of steel structure deformation during transportation and stacking.
Second, the causes and prevention of steel structure assembly deformation
Three, the steel structure is not allowed to arch causes and prevention.
Fourth, the causes and prevention of inaccurate span of steel structure
V. Causes and prevention of welding deformation of steel structure
Causes and prevention of poor rigidity of steel structure with intransitive verb
Section 3 Deformation Correction of Steel Structure
First, manual correction.
Second, mechanical correction.
Third, the plate bending machine correction
Fourthly, the correction of thermal deformation
refer to