1. 1 data table
Square root, circular area
Sine and cosine trigonometric function values
Tangent and cotangent trigonometric function values
1.2 trigonometric function
Trigonometric function of right triangle
Trigonometric Function, Angle and Proportional Theorem of Parallel Lines of Oblique Triangle
1.3 basis
Use of brackets, powers and roots
Equation type, conversion rule
Power sum unit factor 10, interest calculation
Percentage calculation
1.4 symbol, unit
Formula symbol, mathematical symbol
International system of units of quantity and measurement
1.5 length
Right triangle calculation
Equal length, arc length, combined length
Effective length, spring steel wire length, blank length
1.6 area
Quadrilateral and triangular
Triangle, polygon, circle
Sector, bow, ring
1.7 volume and surface area
Cubes, cuboids, cylinders, hollow cylinders, pyramids
Prism, cone, frustum, sphere, spherical cap
1.8 quality
Calculation of volume and mass of components
1.9 centroid
Centroids of lines and faces
2 physics
2. 1 movement
Uniform and uniform acceleration motion
Machine tool speed
2.2 force
Type of force
Torque, lever, centrifugal force
2.3 Work, Power and Efficiency
Work and energy
simple machine
Power and efficiency
2.4 friction
Friction type and friction coefficient
2.5 liquid and gas pressure
Pressure type
2.6 material strength
Load situation, load type, material characteristics, stress limit
Mechanical strength performance, allowable stress and safety factor
Tensile stress, compressive stress, surface pressure
Shear and warping stress
Bending and torsion stress
Strength shape coefficient
Area Moment of Inertia and Polar Section Modulus
Comparison of various cross-sectional shapes
2.7 thermodynamics
Influence of temperature change
Heat of melting, evaporation and combustion
2.8 electric power
Electric quantity and unit, ohm's law, resistance
Current density and resistance circuit
Current type
Electrical engineering and power, transformers
3 technical drawings
3. 1 basic geometry
Line segments, vertical lines and angles
Tangents, arcs, polygons
Inscribed circle, circumscribed circle, center, ellipse and helix of a triangle.
Cycloid, involute, parabola, hyperbola, helix
3.2 chart
Rectangular coordinate system
Polar coordinate system
3.3 Drawing elements
script
Priority number, radius and proportion
Drawing layout
Line shape
3.4 Mode expression method
projection method
visual angle
cutaway view
Section symbol, dimensioning system
3.5 Size input
Dimensions of drawings
Types of dimensions
Simplified expression in engineering drawings
3.6 mechanical parts
Gear type
rolling bearing
Expression of seal and rolling bearing
Retaining rings, springs, splines and serrations
3.7 Process structure
The boss, corner and edge of the workpiece
Screw tail, thread decompression groove
Threads and threaded connections
Knurled center hole
Esquerra pu
3.8 Welding and Brazing
Welding and brazing symbols
Expression of adhesion, folding and seam pressing
3.9 surface
Heat treatment specification
Shape deviation and roughness parameters
Surface testing, surface roughness marking
Surface roughness symbol
surface finish
3. 10 tolerance and fit
IS0 restraint and fit system
IS0 coordination
Ordinary tolerance
Priority cooperation and choice
Tolerance of fit, shape and position of rolling bearings
Geometric dimension and tolerance marking GD&; T
4 materials science
4. 1 material
Material characteristics of solids
Material characteristics of solids, liquids and gases
periodic table of elements
Chemicals, components and pH value in metal technology.
4.2 Naming system for steel products
Definition and classification of steel
Material name and steel mark
Naming system of steel
4.3 Types of steel
abstract
steel frame
Surface hardened steel
Hardened and tempered steel
Nitriding steel, flame heating and induction heating instruments.
free-machining steel
Cold working steel, hot working steel, high speed steel.
stainless steel
spring steel
4.4 finished steel
Metal strip. Classification and overview.
Cold rolled strip for cold working
Cold rolled and hot rolled steel plates
Precision steel pipe for mechanical structure
Hot rolled profile
hot-rolled steel
Bright bar steel
Structural t-beam
angle steel
Medium width I-beam
Wide beam and narrow beam
Pipes/pipes
Mass linear density and mass surface density
4.5 heat treatment
Iron-carbon alloy state diagram
Summary of heat treatment process of steel
Tool steel, surface hardened steel
Surface hardened steel, quenched and tempered steel by flame heating and induction heating
Nitrided steel, free-cutting steel, aluminum alloy.
4.6 cast iron
Naming system
classify
Flake and spherical graphite cast iron
malleable (cast) iron
4.7 Casting Technology
Model, model equipment and core box
Allowable shrinkage, dimensional tolerance, modeling and casting methods
4.8 light alloy
Aluminium, aluminium alloys-overview
Aluminium and Malleable Aluminium Alloys: Marking and Material Name
Malleable aluminum alloy
Malleable aluminum alloy
cast aluminium alloy
Aluminum extrusion profile
Magnesium and titanium alloys
4.9 Heavy Nonferrous Metals
abstract
Naming system
copper alloy
Copper and refined zinc alloy
4. 10 Other materials
Composite materials and ceramic materials
Sintered metal
4. 1 1 plastic
abstract
Base polymer, filler and reinforcing material
Identification, obvious characteristics
Thermoplastics (Selected)
Marking of thermoplastics
Thermosetting plastics, laminated materials
Elastomer, foam material
Plastic processing
High temperature plastic, polymer mixture, reinforced fiber.
4. 12 material testing
Test Methods of Materials —— Overview
tensile test
Shear test, impact test and cupping test
Brinell hardness test
Rockwell and Vickers hardness tests
Martensite hardness test, hardness value conversion
Plastic test
4. 13 Corrosion and anticorrosion
corrode
4. 14 dangerous goods
Disposal of substances
Dangerous goods and gases
Dangerous goods, R- phrase
Dangerous goods, s phrase
5 mechanical parts
5. 1 thread
Thread type
Thread Standards in Various Countries (Excerpt)
Inch thread:
Metric thread and fine pitch thread
Metric taper thread
whitworth thread
Trapezoidal and serrated threads
Thread tolerance
5.2 Bolts and screws
abstract
Outline, mark
Performance grade, product grade, through hole, minimum thread length
hexagonal-head bolt
Hexagon socket head screw
Cap screw
Countersunk screw, semi-countersunk screw, self-tapping screw
tapping screw
Bolt, eyebolt, plug
fastening screw
Calculation of threaded connection
Locking fastener
Screw wrench opening
5.3 counterbore
Tapered countersunk hole of countersunk head screw
Stepped holes with cap screws and hexagon-head bolts
5.4 nut
abstract
Outline, mark
hexagonal nut
Hexagon nut, lock nut, ring nut
Slotted nut, cotter pin, welded nut, knurled nut.
5.5 washer
Flat washer, overview
Flat washer for steel structure
High strength bolt, channel steel and I-beam, U-shaped
Tapered elastic washer for clamping pin
5.6 Pins and U-shaped clamping pins
abstract
Cylindrical pins, conical pins and elastic cylindrical pins.
Slotted pin, safety pin, U-shaped clamping pin
5.7 Hub connection
Hook key
Ordinary Ping Jian, semi-circular key
Spline shaft connection and rivet
Metric taper, Morse taper, large taper handle
Tool support fixture
5.8 Springs, Fixtures and Tool Operating Parts
Cylindrical helical tension spring
Cylindrical helical compression spring
coil spring
drill bushing
Flat head screw, thrust pad, spherical handle
Handle, locating and fixing pin
T-groove and accessories, spherical washer, conical washer
Die handle, punch, machining plate
Column formwork
5.9 transmission parts
triangle belt
Narrow v-belt
Synchronous toothed belt
Straight cylindrical gear
Modulus series of helical gear and cylindrical gear
Bevel gear and worm drive
drive ratio
rate curve
5. 10 bearing
Plain bearings, overview
Anti-friction bearing, overview
Anti-friction bearing, marking
ball
ball
roller bearing
Needle roller bearing, round nut
Anti-extrusion ring
potted component
lube oil
Grease, solid lubricant
6 production management
6. 1 quality management
standard
school term
Quality planning, quality control and quality testing
statistical analysis
normal distribution
statistical process control
Process trends, acceptance sampling and planning
Processing and machine capacity, quality control chart
6.2 production plan
Time accounting
cost accounting
Machine hourly rate
direct cost
6.3 maneuver time
Turning thread
rotate
Drilling, reaming, reaming, planing and forming.
factory
perpetual
6.4 Machining cutting fluid
Cutting fluid for metalworking
Machining and dry machining of hard materials, high-speed milling, MQCL
6.5 Cutting tools
tool materials
Indexable carbide blade
Marking of indexable blades with arbor
6.6 Machining Cutting Force and Power
Unit cutting force, standard value
Cutting force and power in turning and drilling
Cutting force and power in end milling
6.7 Cutting data
bit
Reaming and tapping
rotate
Conical surface
factory
Debugging and maintenance of drilling, turning and milling.
Indexing head indexing
perpetual
Abrasive, adhesive
Grinding wheel selection
Grinding of diamond and boron nitride grinding wheels
honing
6.8 Material Etching
Maneuvering time and standard value
Electro-corrosion machining parameters
6.9 blanking
Blanking force
Dimensions of cutting tools and workpieces
Die handle position, material utilization rate
6. 10 molding
bend
drawing
6. 1 1 welding
welding technology
Welding preparation
Compressed gas cylinders and gas cover covered electrode.
Protective gas, covered electrode.
Standard value of aluminum covered electrode for gas shielded metal arc welding
Arc welding covered electrode
Welding design of covered electrode and arc welding
Jet beam cutting
Gas cylinder marking
Solder brazing
weld
Hard welding bonding
6. 12 bonding
Adhesive, surface treatment before bonding
Design and test method of adhesive joint
6. 13 workshop safety and environmental protection
Safety color, no sign
warning mark
Safety labels/signs
Dangerous goods symbol
Pipeline sign
Sound and noise
7 automation
7. 1 control project
Basic terms and codes
sign
analog controller
Intermittent and digital controller
binary logic
7.2 Circuit
Circuit symbol
Marking of circuit layout diagram
circuit diagram
sensor
Safety prevention
7.3 Sequence Function Diagram and Signal State Diagram
sequential function chart
Signal state diagram
7.4 Hydraulic and Pneumatic
Cyclic symbol
circuit diagram
Electropneumatic control
Electrohydraulic control
Hydraulic press fluid
cylinder
Force calculation
Speed, power
precision seamless steel tube
7.5 programmable logic control
programming language
PLC control lifting device
7.6 Operating and Robotic Systems
Coordinate system and coordinate axis
Robot design
The gripper works safely.
7.7 numerical control technology
axis
Program structure
Preparation function, auxiliary function
Auxiliary function
Tool offset and tool compensation
job operation
PAL period
7.8 Information technology
Counting system
ASCII code
flowchart symbol
MSWORD word processing command
EXCEL spreadsheet command
8 standardization
8. 1 international standard
International material standard comparison table
8.2 DIN, DINEN, ISO and other standards.
Index of reference standards and other regulations
Subject index