July23, 2010
#051 Method of Connecting the Cavity and Core

July16, 2010
#050 Cavity and Core Integrated Structure and Spliting Structure

July 9, 2010
#049 Features of Motor Driven Injection Molding Machines

July 2, 2010
#048 MuCell ® Process Latest Injection Molding Technology of USA

June25, 2010
#047 Mold Welding Work

June18, 2010
#046 Mold Assembling Work

June11, 2010
#045 Scraping Work

June 4, 2010
#044 On the 400th Issue of These Courses - Part 2

May28, 2010
#043 On the 400th Issue of These Courses

May21, 2010
#042 Filing Work

May14, 2010
#041 Hand Finishing Work

May 7, 2010
#040 Linear Expansion Coefficients of Materials

April23, 2010
#039 Tempering of SKD61

April16, 2010
#038 Mold Base

April 9, 2010
#037 Structure and Characteristics of Hot Runners

April 2, 2010
#036 Improvements in the Ease of Maintenance of Molds

March26, 2010
#035 Flow Rate of Mold Cooling Water

March19, 2010
#034 Pressure Loss in the Runners

March12, 2010
#033 Key Aspects of Textured Finishing

March 5, 2010
#032 Maintenance Items of Molds for Plastic Injection Molding

February26, 2010
#031 Jetting

February19, 2010
#030 Appropriate Pre-drying of Plastic Molding Materials (Revised Version)

February12, 2010
#029 Causes of and Countermeasures against Burn

February 5, 2010
#028 Molding Shrinkage Ratios of Major Plastic Materials

January29, 2010
#027 Hot Runner Technology

January22, 2010
#026 Basic Varieties of Tunnel Gates

December25, 2009
#025 Mold Galling

December18, 2009
#024 Measures to Solve Molding Defects (Bubbles)

December11, 2009
#023 Measures to Solve Molding Defects (Flow Marks)

December 4, 2009
#022 Measures to Solve Molding Defects (Short Shots)

November27, 2009
#021 Measures to Solve Molding Defects (Sink Marks)

November20, 2009
#020 Example of Calculating the Cooling Time (1)

November13, 2009
#019 Molding Cycle and Cooling Time

November 6, 2009
#018 Mold Related Dimensions of Plastic Injection Molding Machines (1)

October23, 2009
#017 Calculation of the Deflection of the Moving half Cavity Plate

October16, 2009
#016 How is the Rigidity of a Mold Increased?

October 9, 2009
#015 Section Modulus of Mold Components

October 2, 2009
#014 Moment of Inertia of of areaMold Components

September25, 2009
#013 : Thermal Expansion of Mold Components (Example of Calculation)

September18, 2009
#012 : Thermal Expansion of Mold Components

September11, 2009
#011 : Bending of Core Pins due to Injection Pressure

September 4, 2009
#010 : Procedure for Determining the External Dimensions of a Cavity

August28, 2009
#009 : What is the Elastic Modulus of Steel?

August21, 2009
#008 : Method of Forming Holes in Molded Products

August14, 2009
#007 : The Flow Ratio (L/t) of Plastic

August 7, 2009
#006 : Basic Knowledge on the Mold Clamping Force

July31, 2009
#005 : Why Does a Mold Break?

July24, 2009
#004 : Guide to the Molding Shrinkage ratio of Major Plastic resins - 1

July15, 2009
#003 : The Chemical Composition of Steel for Mold Manufacturing

July14, 2009
#002 : Introduction to Products by Misumi ~ Spiral Baffle Plates

July13, 2009
#001 : What is the Molding Shrinkage Phenomenon?