The following section offers a comprehensive list of links to typically used formulas
by the plastic injection industry.

Formula Links

Formula

Website(click link)

Rockwell Hardness Test

 Rockwell article

Mold Shrinkage

 Shrinkage article

Calculating Tonnage

 Tonnage calculator

Calculate ejection force

 Ejection formulas

Calculate turbulent flow

 Flow formulas

Peak Pressure Calculator

 Bernoulli Calculator

Drill and Tap Chart

 Drill/ Tap chart

Hot Runner pressure loss

 Article: Pressure loss
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Formula Links

Formula

Link(click to view)

Calculate sprue orifice

 Orifice article

Shot Weight

 Article: Shot weight

Barrel size calculator

 article defining barrel size

Calculating Shear Rate

Shear rate article

Calculating runner size

 B&B Tooling Link

sprue gate: article

 Moldflow Products

Best Molding Approach

 Molding Approach Article

Tool Terminology

 Terminology Article">
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Featured Links:

Routsis

Tools

Forum

PLASTIC411:
Blog

Videos

Material Specs

Used Equipment

Plastic Injection Links & Forms

Plastics Recycling

Supplier DATABASE

Scientific Molding

Plastic Jobs

Material:

IDES

Bayer

Dow Engineered Polymers

Sabic Thermoplastics

BASF LINK

DSM: Engineered Thermoplastics

Solvay: Plastics Sector

Plastic Injection Presses:

Cincinnati Milacron Presses

Mitsubishi Plastics Machinery

Nissei Molding Machines

Arburg Plastic Injection Machines

Niigata All-Electric

HUSKY Machines

Used Plastic Machinery:

Plastics One

KD Capital

Elite Machinery

PMA: Used Plastic Machines

Plastic Robots / Robotics Suppliers:

Wittmann

Yushin Automation

Sepro Products

FANUC Robotics

Motoman Robots

SAS: Robotic End-of-Arm Tooling

Bosch Rexroth Aluminum Structure Framing

Auxilliary Equipment:

Conair Plastics Equipment

AEC Whitlock Drying & Conveying

AEC Nelmor Grinders

Novatec

Plastic Societies

Society of Plastics Engineers SPE

Society of Manufacturing Engineers SME

Society of Plastics Industry SPI

Magazines Websites

Plastics News

Plastics Technology

Injection Molding Magazine

Plastics Today

Plastic Consultants

John Bozzelli

Kip Doyle

RJG

Andy Routsis & Associates

LinkedIn Forums

Participating in these forums requires LinkedIn registration...
Plastic Experts Forum

Scientific Molding Theory, Methods and Applications

Plastic Defects and Troubleshooting Forum

Plastic Post-Consumer Waste Stream and Environment

Moldmakers and Mold Design: Plastic Injection

Robotics/ Automation: Improving Production Efficiencies

Bioplastics Forum

Aerospace & Defense Discussions

Material Supplier Forum

Moldflow: Q & A Group

RJG: Decoupled Molding Principles, Software & Equipment

"Lean" Manufacturing Systems

Formulas

Material Throughput Calculator

Clamp Force Tonnage Calculator

Volume & Weight Calculator

Drill Size Chart

Tap Size Chart

Minimum Cooling Time calculator

Torque Specs: Plastic Injection

Past Articles

Sunday Night Start Up

An Ocean of Plastic Waste

Maxxing Your Plastic Robot's Efficiencies

Plastic Colorants: An Overview

Thermoplastic Material Assessment

Buying a Plastic Injection Machine?

Material: Regrind Utilization

Proper Care For Tooling

Free Forms & Self-Help Tools

Process Change Log

Mean Melt / Melt Windows

Process Troubleshooting Guide

Form: Fill Time Study