order
Chapter 1 Basic structure of twist drill
Section 1 Structure and Terminology of Twist Drill
Brief introduction of twist drill
Composition of twist drill
Terminology of twist drill
Section 2 Three Reference Systems of Twist Drill
Brief introduction of three benchmark systems
Differences among three reference systems
Structural parameters of twist drill in the third quarter
Length dimension parameter
Structural angle parameter
Summary of this chapter
The second chapter is the structural parameter characteristics and analysis of twist drill.
Section 1 Characteristics of Length Parameters of Twist Drill
bit diameter
Core thickness core increment
Bit diameter inverted cone
Blade height and width
Lobe width and slot width
Drill tip eccentricity
Cutting edge height difference
Cross blade length
Characteristics of structural angle parameters of twist drill in the second quarter
Primitive rake angle
Use positive angle
angle of helix
Cross blade bevel angle
Structural back angle
Tail clearance angle
Peripheral back angle
Other angle parameters
Section 3 Basic Angle Group of Twist Drill in Theoretical Reference System
Brief introduction of basic angle group
Angle group of main blade tool
Tool angle group of secondary edge
Cross-blade tool angle group
Section 4 Basic Angle Group of Twist Drill in Working Reference System
The fifth quarter twist drill rake angle analysis
biographical notes
Definition of several rake angles of twist drill
Formula of rake angle of twist drill
Measure the rake angle and azimuth angle of the plane.
Analysis of rake angle of each section on the main blade
Analysis of rake angle of common twist drill
Analysis of rake angle of special twist drill
Section 6 Analysis of Back Angle of Twist Drill
abstract
The following sharpening methods
Analysis of relief angle in cutting depth direction
Analysis of feed direction back angle
Parameter analysis and cutting characteristics of the seventh chisel edge
Calculation of front and rear angle of cross blade
Cutting characteristics of cross edge
Can the cross blade be omitted?
Section 8 Analysis of Working Angle of Bit
Summary of this chapter
Chapter III Drilling Principle of Twist Drill
Section 1 Drilling Motion and Drilling Components
Drilling movement
Machining surface
Borehole layer element
Surface residual area and its height
Section 2 Common materials for manufacturing twist drills
The characteristics that a material should have.
Common materials
Other materials
The third quarter twist drill drilling technology
Deformation process of borehole layer
Division of deformation zone of borehole layer
Morphology of drilling cuttings and its removal
Debris accumulation tumor during drilling
Section 4 Drilling Force of Twist Drill
Source of drilling force
Analysis of drilling force of main cutting edge
Analysis of drilling force of cross blade
Analysis of drilling force of auxiliary cutting edge
Empirical formula of drilling force
Factors affecting drilling force
Section 5 Drilling Heat and Drilling Temperature of Twist Drill
Drilling heat source
Heat transfer in drilling
Measurement method of borehole temperature
Drilling temperature distribution
Factors affecting drilling temperature
Section 6 Wear and Durability of Twist Drill
Wear form of drill bit
Causes of bit wear
Bit grinding standard
Drill bit durability
Section 7 Drilling Quality
Drilling quality content
Drilling quality analysis
Influence of drill bit on drilling quality
Section 8 Cooling and Lubrication of Boreholes
Function of cutting fluid
Cutting fluid additive
Types of cutting fluids
Selection of cutting fluid
Use of cutting fluid
Section 9 Vibration Drilling and Vibration Drilling
Borehole vibration
Concept and types of vibration drilling
Working principle of vibration drilling
Section 10 Reasonable Selection of Drilling Parameters
Basis for selecting drilling parameters
Recommended drilling parameters
Section 1 1 Methods of improving twist drills
Problems existing in common twist drill
Improvement of drill bit material
Improvement of bit structure
Summary of this chapter
Chapter IV Group Drilling
Section 1 Structure and Terminology of Basic Group Training
Brief introduction of group drilling
Composition of basic group drilling
Basic group drilling terminology
Structural characteristics of basic group drilling
Structural parameters of basic drilling in the second quarter
Length parameter
Angle parameter
Section 3 Analysis of Geometric Parameters of Basic Group Drilling
Circular arc blade
Inner edge
Cross blade
Outer edge
Chip separator
Experimental comparison of drilling force of basic group drilling in the fourth quarter
Drilling force test
Analysis of drilling force test results
Section 5 Wear and durability of foundation group drilling
Wear form of group drilling
Group drilling wear curve
Blunt standard and life formula of group drilling grinding
Section 6 Basic Group Drilling Cutting Parameters
cutting depth
amount of feed
Cutting speed
selection principle
Section 7 Advantage Analysis of Foundation Group Drilling
Chip separation, chip removal and chip breaking
Center and cut in
Drilling process
Overview of the advantages of basic group drilling
Summary of this chapter
Chapter V Application of Group Drilling
The first section drilling cast iron group drilling
Characteristics of cast iron
Bit cast iron bit
Drilling formula of cast iron group drilling
Geometric parameters of cutting part of cast iron group drilling
Drilling parameters of cast iron group drilling
In the second quarter, stainless steel group drilling
Characteristics of stainless steel
Drill stainless steel combination drill
Geometric parameters of cutting part of stainless steel group drilling
In the third quarter, drill aluminum alloy group drilling
Characteristics of aluminum alloy
Drilling aluminum alloy combination drilling
Drilling formula of aluminum alloy group drilling
Aluminum alloy ZL 10 1 drilling parameters
Section 4 Drilling of Pure Copper Group
Characteristics of pure copper
Drilling pure copper group drilling
Formula for drilling pure copper
Geometric parameters of drilling part of pure copper group drilling
The fifth section drilling rubber group drilling
Characteristics of rubber
Drilling rubber group drilling
Formula of drilling glue group
Section 6 Group Drilling for Expanding Blank Holes
Common problems in enlarging blank hole
Enlarging blank hole group drilling
Drilling formula for enlarging blank hole group
Geometric parameters of cutting part of blank reaming group drilling
Summary of this chapter
Chapter VI 3D modeling process of twist drill
The first section related parameters of twist drill modeling
Section II 3D Modeling Process of Twist Drill
Summary of this chapter
refer to