July26, 2013
#167 Problems in Punching and their Countermeasures (6) Scrap Processing in Punching

July19, 2013
#166 Problems in Punching and their Countermeasures (5) Trimming of Drawn and Shaped Parts

July12, 2013
#165 Problems in Punching and their Countermeasures (4) Scrap Clogging in Punching

July 5, 2013
#164 Problems in Punching and their Countermeasures (3) Bending and Twisting of Narrow Punched Parts

June28, 2013
#163 Problems in Punching and their Countermeasures (2) Bending due to Punching

June21, 2013
#162 Problems in Punching and their Countermeasures (1) Punching Burrs

June14, 2013
#161 Design of Compound Punching Dies (10) Stripper and Material Guide

June 7, 2013
#160 Design of Compound Punching Dies (9) Design of a Knockout - 4

May31, 2013
#159 Design of Compound Punching Dies (8) Design of a Knockout - 3

May24, 2013
#158 Design of Compound Punching Dies (7) Design of a Knockout - 2

May17, 2013
#157 Design of Compound Punching Dies (6) Design of a Knockout - 1

May10, 2013
#156 Design of Compound Punching Dies (5) Structure of a Compound Punching Punch

April26, 2013
#155 Design of Compound Punching Dies (4) Structure of a Compound Punching Die

April19, 2013
#154 Design of Compound Punching Dies (3) Taking out a Product in Compound Punching (Knockout)

April12, 2013
#153 Design of Compound Punching Dies (2) Punch-Die Relationship in Compound Punching

April 5, 2013
#152 Design of Compound Punching Dies (1) Features of Compound Punching

March29, 2013
#151 Design of Hole Punching Dies (11) Design of a Hole Punching Die with Several Holes

March22, 2013
#150 Design of Hole Punching Dies (10) Design of a Die Set for Hole Punching

March15, 2013
#149 Design of Hole Punching Dies (9) Design of the Backing Plate

March 8, 2013
#148 Design of Hole Punching Dies (8) Design of a Punch Plate with a Movable Stripper Type Structure

March 1, 2013
#147 Design of Hole Punching Dies (7) Design of the Spring of a Movable Stripper

February22, 2013
#146 Design of Hole Punching Dies (6) Stripper Guide of Hole Blanking Punches

February15, 2013
#145 Design of Hole Punching Dies (5) Design of Movable Strippers of Hole Blanking Dies

February 8, 2013
#144 Design of Hole Punching Dies (4) Design of the Nest of Hole Blanking Dies

February 1, 2013
#143 Design of Hole Punching Dies (3) Design of Hole Punching Dies

January25, 2013
#142 Design of Hole Punching Dies (2) Design of Hole Punching Punches

January18, 2013
#141 Design of Hole Punching Dies (1) Structure of Hole Punching Dies

January11, 2013
#140 Design of Blanking Dies (13) Blanking Dies with Different Constructions

December21, 2012
#139 Design of Blanking Dies (12) Key Points of the Design of a Blanking Die with the Fixed Stripper Construction

December14, 2012
#138 Design of Blanking Dies (11) Design of the Die Holder of a Blanking Die

December 7, 2012
#137 Design of Blanking Dies (10) Design of a Blanking Die

November30, 2012
#136 Design of Blanking Dies (9) Design of a Fixed Stripper (3)

August17, 2012
#135 Design of Blanking Dies (8) and Design of a Fixed Stripper (2)

August10, 2012
#134 Design of Blanking Dies (7) Design of Blanking Dies

August 3, 2012
#133 Design of Blanking Dies (6) Design of Punch Plates

July27, 2012
#132 Design of Blanking Dies (5) Design of Punch Holders

July20, 2012
#131 Design of Blanking dies (4) Free Shank Design and Guide Post Length

July13, 2012
#130 Design of Blanking dies (3) Shank Design

July 6, 2012
#129 Design of Blanking dies (2) Outline of Blanking Punch Design

June15, 2012
#128 Design of Blanking dies (1) Outline of Blanking Die Design

June 8, 2012
#127 Press Forming Force (4) Drawing Force

June 1, 2012
#126 Press Forming Force (3) Bending Force

May25, 2012
#125 Press Forming Force (2) Blanking Sideward Force and Scrap Removing Force

May18, 2012
#124 Press Forming Force (1) Blanking Force

May11, 2012
#123 Terminology and Surroundings (17) Names of Different Parts of Drawing Shapes

April27, 2012
#122 Terminology and Surroundings (16) Names of Different Parts of Bending Shapes

April20, 2012
#121 Terminology and Surroundings (15) Economic Speed of Press Forming

April13, 2012
# 120: Terminology and Surroundings (14) Width of Blanking Bridges

April 6, 2012
#119 Terminology and Surroundings (13) Selection of the Blanking Clearance

March30, 2012
#118 Terminology and Surroundings (12) Knock Out in Drawing Operations

March23, 2012
#117 Terminology and Surroundings (11) Relative Plate Thickness (Drawing Operation)

March16, 2012
#116 Terminology and Surroundings (10) Quick Die Change Type Dies

March 9, 2012
#115 Terminology and Surroundings (9) Safe Dies

March 2, 2012
#114 Terminology and Surroundings (8) Floating Dies

February24, 2012
#113 Terminology and Surroundings (7) Insert Dies

February17, 2012
#112 Terminology and Surroundings (6) Backing Plate

February10, 2012
#111 Terminology and Surroundings (5) Die Height and Shut Height

February 3, 2012
#110 Terminology and Surroundings (4) Bridge and Carrier

January27, 2012
#109 Terminology and Surroundings (3) Stripper, Blank Holder, Pressure Pad

January20, 2012
#108 Terminology and Surroundings (2) Punch

January13, 2012
#107 Terminology and Surroundings (1) Die

December16, 2011
#106 Fundamentals of Press Die Structure Design (15) Direction of Tightening Fixing Screws

December 9, 2011
#105 Fundamentals of Press Die Structure Design (14) Direction of Tightening Fixing Screws

December 2, 2011
#104 Fundamentals of Press Die Structure Design (13) Relationship Between a Round Punch and Hole

November25, 2011
#103 Fundamentals of Press Die Structure Design (12) Relationship Between a Lifter and its Hole

November18, 2011
#102 Fundamentals of Press Die Structure Design (11) Relationship Between Stripper Bolt, Screw Plug, and Holes

November11, 2011
#101 Fundamentals of Press Die Structure Design (10) Dimensions of Shafts Used in Dies

November 4, 2011
#100 Fundamentals of Press Die Structure Design (9) Considerations Regarding Die Machining and Maintenance

October28, 2011
#099 Fundamentals of Press Die Structure Design (8) Considerations Regarding Die Assembly and Disassembly

October21, 2011
#098 Fundamentals of Press Die Structure Design (7) Equipment for Preparing Dies and Die Design

October14, 2011
#097 Fundamentals of Press Die Structure Design (6) Method of Expressing the Plates of the Top Die and Bottom Die

October 7, 2011
#096 Fundamentals of Press Die Structure Design (5) Method of Selecting the Reference for Machining Plates

September30, 2011
#095 Fundamentals of Press Die Structure Design (4) Method of Using Dowel Pins - 2

September16, 2011
#094 Fundamentals of Press Die Structure Design (3) Method of Using Dowel Pins - 1

September 9, 2011
#093 Fundamentals of Press Die Structure Design (2) Method of Using Screws - 2

September 2, 2011
#092 Fundamentals of Press Die Structure Design (1) Method of Using Screws - 1

August26, 2011
#091 Fundamentals of Steel Materials for Dies (10) Materials for the Main Parts of Dies - 2

August19, 2011
#090 Fundamentals of Steel Materials for Dies (9) Materials for the Main Parts of Dies - 1

August 5, 2011
#089 Fundamentals of Steel Materials for Dies (8) Cemented Carbides Used in Dies

July29, 2011
#088 Fundamentals of Steel Materials for Dies (7) Steel Materials Used in Dies (Pre-hardened Steel, Cast Iron, and Others)

July22, 2011
#087 Fundamentals of Steel Materials for Dies (6) Steel Materials Used in Dies (High Speed Tool Steels)

July15, 2011
#086 Fundamentals of Steel Materials for Dies (5) Steel Materials Used in Dies (Tool Steels)

July 8, 2011
#085 Fundamentals of Steel Materials for Dies (4) Steel Materials Used in Dies (Unhardened Materials)

July 1, 2011
#084 Fundamentals of Steel Materials for Dies (3) Properties of Steel Materials (Fatigue Resistance)

June24, 2011
#083 Fundamentals of Steel Materials for Dies (2) Properties of Steel Materials (Shock Resistance)

June17, 2011
#082 Fundamentals of Steel Materials for Dies (1) Properties of Steel Materials (Wear Resistance)

June10, 2011
#081 Method of Using Standard Components (30) Urethane Spring

June 3, 2011
#080 Method of Using Standard Components (29) Pilot - 4: Countermeasures against Thin Plate Material Deformations and Material Pulling Up

May27, 2011
#079 Method of Using Standard Components (28) Pilot - 3: Relationship Among Material - Material Guide - Pilot

May20, 2011
#078 Method of Using Standard Components (27) Stripper Guide - 6: Method of Using a Stripper Guide Bush

May13, 2011
#077 Method of Using Standard Components (26) Stripper Guide - 5: Method of Using a Stripper Guide Post

April22, 2011
#076 Method of Using Standard Components (25) Stripper Guide - 4: Shapes and Features of Stripper Guide Bushes

April15, 2011
#075 Method of Using Standard Components (24) Stripper Guide - 3: Shapes and Features of Stripper Guides

April 8, 2011
#074 Method of Using Standard Components (23) Stripper Guide - 2: Role of a Stripper Guide

March18, 2011
#073 Method of Using Standard Components (22) Stripper Guide - 1: Role of a Stripper Guide

March11, 2011
#072 Method of Using Standard Components (21) Height Adjusting Unit

March 4, 2011
#071 Method of Using Standard Components (20) Button Die - 2

February25, 2011
#070 Method of Using Standard Components (19) Button Die - 1

February18, 2011
#069 Method of Using Standard Components (18) Misfeed Detection Unit

February 4, 2011
#068 Method of Using Standard Components (17) Pilot - 2

January28, 2011
#067 Method of Using Standard Components (16) Pilot - 1

January21, 2011
#066 Method of Using Standard Components (15) Block Punches

December17, 2010
#065 Method of Using Standard Components (14) Round Punches - 3

December10, 2010
#064 Method of Using Standard Components (13) Round Punches - 2

December 3, 2010
#063 Method of Using Standard Components (12) Round Punches - 1

November19, 2010
#062 Method of Using Standard Components (11) Die Sets

November12, 2010
#061 Method of Using Standard Components (10) Stroke End Block (Height Block)

November 5, 2010
#060 Method of Using Standard Components (9) Stock Guide

October29, 2010
#059 Method of Using Standard Components (8) Coil Springs - 2

October15, 2010
#058 Method of Using Standard Components (7) Coil Springs - 1

October 1, 2010
#057 Method of Using Standard Components (6) Screws Plug

September24, 2010
#056 Method of Using Standard Components (5) Clamping Screws (Hexagonal Bolts with Holes)

September17, 2010
#055 Method of Using Standard Components (4) Knock Pin (Dowel Pin)

September10, 2010
#054 Method of Using Standard Components (3) Method of Using Lifters with Air Holes

September 3, 2010
#053 Method of Using Standard Components (2) Method of Using Lifters and Guide Lifters

August27, 2010
#052 Method of Using Standard Components (1) Method of Using Stripper Bold

August 6, 2010
#051 Relationship Between Press Machine and Die (9) Accuracy of Press Machines

July23, 2010
#050 Relationship Between Press Machine and Die (8) Relationship Between Material Feeding Device and Press Stroke

July16, 2010
#049 Relationship Between Press Machine and Die (7) Drive Mechanisms of Press Machines

July 9, 2010
#048 Relationship Between Press Machine and Die (6) Stroke Length of Press Machines

July 2, 2010
#047 Relationship Between Press Machine and Die (5) Torque Capacity of Press Machine

June25, 2010
#046 Relationship Between Press Machine and Die (4) Eccentric Load on Press Machine

June18, 2010
#045 Relationship Between Press Machine and Die (3) Pressing Capacity of Press Machine

June11, 2010
#044 Relationship Between Press Machine and Die (2) Feed Line Height and Amount of Lift

June 4, 2010
#043 Relationship Between Press Machine and Die (1) Die Height

May28, 2010
#042 Basics of Die Structure (24) Structure of Drawing Dies: Draw Trimming Dies

May21, 2010
#041 Basics of Die Structure (23) Structure of Drawing Dies: Reverse Redrawing Dies

May14, 2010
#040 Basics of Die Structure (22) Structure of Drawing Dies: Redrawing Die - 2

May 7, 2010
#039 Basics of Die Structure (21) Structure of Drawing Dies: Redrawing Die - 1

April23, 2010
#038 Basics of Die Structure (20) Structure of Drawing Dies: Blanking and Drawing Dies

April16, 2010
#037 Basics of Die Structure (19) Structure of Drawing Dies: First Drawing Dies for Upward Drawing

April 9, 2010
#036 Basics of Die Structure (18) Structure of Drawing Dies: First Drawing Dies for Downward Drawing

April 2, 2010
#035 Basics of Die Structure (17) Structure of Drawing Dies: First Drawing Dies for Drawing and Dropping

March26, 2010
#034 Basics of Die Structure (9) Basics of Bending Die Structures

March19, 2010
#033 Basics of Die Structure (8) Cutting Off Die

March12, 2010
#032 Basics of Die Structure (7) Parting Die

March 5, 2010
#031 Basics of Die Structure (6) Structure of Compound Dies

February26, 2010
#030 Basics of Die Structure (5) Structure of Hole Punching Dies - 2 (Hole Punching Die of the Fixed Stripper Structure)

February19, 2010
#029 Basics of Die Structure (4) Structure of Hole Punching Dies - 1 (Hole Punching Die of the Movable Stripper Structure)

February12, 2010
#028 Basics of Die Structure (3) Structure of Blanking Dies - 3

February 5, 2010
#027 Basics of Die Structure (2) Structure of Blanking Dies - 2

January29, 2010
#026 Basics of Die Structure (1) Structure of Blanking Dies - 1

January22, 2010
#025 Basics of Blanking Work (15) Blanking Work without Burrs on Both Surfaces

December25, 2009
#024 Basics of Blanking Work (14) Finishing Blanking Work

December18, 2009
#023 Basics of Blanking Work (13) Shaping Work

December11, 2009
#022 Basics of Blanking Work (12) Outer Cutting Work - 6: Pilot

December 4, 2009
#021 Basics of Blanking Work (11) Outer Cutting Work - 5: Side Cut

November27, 2009
#020 Basics of Blanking Work (10) Outer Cutting Work - 4: Matching

November20, 2009
#019 Basics of Blanking Work (9) Outer Cutting Work - 3: Method for Connecting Blanks

November13, 2009
#018 Basics of Blanking Work (8) Outer Cutting Work - 2

November 6, 2009
#017 Basics of Blanking Work (7) Outer Cutting Work - 1

October23, 2009
#016 Basics of Blanking Work (6) Slit Cutting Work

October16, 2009
#015 Basics of Blanking Work (5) Notch Cutting Work

October 9, 2009
#014 Basics of Blanking Work (4) Segmenting Work

October 2, 2009
#013 Basics of Blanking Work (3) Cutting Operation

September25, 2009
#012 Basics of Blanking Work (2) Hole Punching Work

September18, 2009
#011 Basics of Blanking Work (1) Blanking Work

September11, 2009
#010 Change in Die Structure Depending on the Guides

September 4, 2009
#009 Plate Constitution and Plate Form of Dies

August28, 2009
#008 Method of Preparing Compound Die Structures

August21, 2009
#007 Basic Structure of Dies

August14, 2009
#006 Shape Design of Banking Dies

August 7, 2009
#005 Clearance in the Blanking Operation

July31, 2009
#004 Design of a punch and die for small diameter hole punching

July24, 2009
#003 Chaff Rising Countermeasures in Punching Work (1)

July15, 2009
#002 Life of press dies

July14, 2009
#001 Accuracy Judgment of Press Dies

July13, 2009
Introduction : Starting the Press Dies Technology Course