Section 1 Basic knowledge of sheet metal drawing

First, the basic knowledge of mechanical drawing

Second, the projection and view

Third, tolerance and cooperation.

Section 2 Basic knowledge of fitter

First, the basic operating skills of locksmiths

Second, drilling, reaming and reaming.

Third, tapping and tapping

Section 3 Common Tools, Measuring Tools and Equipment

First of all, common tools

Second, the commonly used measuring tools

Third, common equipment

Section 4 Metal Materials and Heat Treatment

I. Names, specifications and uses of commonly used metal materials

Second, the mechanical properties and tensile test of metal materials

3. Cold plastic deformation and cold working hardening of metals

Fourth, common sense of heat treatment of metal materials

Chapter II Deployment and Lofting of Sheet Metal Parts

Section 1 Development of Sheet Metal Parts

A, parallel line method

Second, the radiation method

Three. River line law

Fourthly, the parallel line method and ray method are used to solve the expansion of undevelopable surfaces.

Setting out of sheet metal parts in the second quarter

A, lofting benchmark

Second, the production of samples and sample sticks

Section III Plate Thickness Treatment

I. Thickness interference and its elimination methods

Second, the thickness treatment

Chapter III Stamping and Cutting

Section 1 Basic knowledge of stamping

First, the basic process of stamping

Second, the relationship between metal materials and stamping

Section II Stamping Process

First, the manufacturability of stamping parts

Second, layout and wrapping.

Third, common layout types

Four, waste products in the process of stamping and preventive measures

Verb (abbreviation for verb) stamping and safety

Section 3 shearing

First, the shearing principle of oblique shearing machine

Second, the gantry shearing machine (shearing machine)

Three, rolling shear machine

Fourth, vibrating scissors.

Five, plasma cutting machine

Chapter IV Correction and Bending

Section 1 Correction

First, cold correction

Second, the flame correction

Second part bending

First, the basic principle and characteristics of bending deformation

Second, the springback of bending parts

Third, bending forming.

Chapter V Sheet Metal Connection Technology

The first section welding

A, manual arc welding

Second, gas welding

Third, gas cutting

Fourthly, brazing.

Verb (abbreviation for verb) spot welding

Six, carbon dioxide gas shielded welding

Riveting in the second quarter

I. Types, shapes and uses of rivets

Second, the types and forms of riveting

Three. Spacing, length and diameter of rivets

Fourthly, riveting process.

Verb (abbreviation for verb) riveting quality

The third section threaded connection

A, threaded connection form

Second, the bolt connection

Third, stamping connection.

Section 4 Metal Bonding

First, the working principle

Second, the adhesive

Third, joint design.

Fourth, surface treatment.

Preparation of verb (abbreviation of verb) adhesive

Coating and curing of intransitive verb adhesive

Seven, the advantages and disadvantages of bonds

Eight, safety practice

Chapter VI Assembly and Manufacture of Sheet Metal Products

Section 1 Assembly of Sheet Metal Products

First, the principle of assembly

Second, the assembly method

Third, the assembly process specification

Section 2 Manufacturing Technology of Typical Products

First, the single-arm press body assembly sequence

Second, the ball mill in and out of the hopper assembly process flow chart

Three, gas storage tank manufacturing process flow chart

Fourthly, the overall assembly of spherical tanks.