Introduction To Hot Runner

Course Details

Instructor: Krish Chari 

Hours of Instructions: 2-Day

Course Prerequisite:  None

Date: April 24-25, 2025 and October 23-24, 2025

Price: $960

This course is an introduction to the hot runners and is designed for mold designers, tooling managers, mold makers, operators, technicians, process engineers, quality auditors, supervisors, mold buyers and maintenance personnel. This course covers fundamental aspects of hot runners tooling, and how to select the right product for specific part/application in cosmetic, houseware, medical, automotive and industrial markets.

Introduction to hot runner

• Basic construction & terminology
• Types of hot runner
• Work safety

Hot runner components

• Drawings
• Gating & configuration
• Selection for hot runner for an application
• Single cavity and prototyping

Mold design

• Integration with mold
• Manufacturers design requirements
• Standard vs Custom components

Hot runner design

• Manifold, plates, nozzles and runner system
• Heating and expansion
• Gate inserts and gate detail manufacturing
• Cooling

Special hot runner

• Sequential and cascade molding
• Multi-part and multi-material
• Molding decorative files and textile linings
• Stack hot runner
• Cold deck - thermoset
• High, temperature sensitive materials and elastomer

Temperature and actuation controllers

• Electrical drawing interpretation
• Temperature controller & working principle
• Gate actuation controllers
• Servo, pneumatic and hydraulic actuations

Hot runner suppliers

• Vendors and markets
• Accessories
• Design differences

Processing

• Startup and shut down procedures
• Purging compound and purging procedure
• Qualification for acceptance
• Color change
• Troubleshooting part defects
• Troubleshooting hardware
• Maintenance and storage
• Servicing and refurbishment

To register, please download the registration form.

Location

Polymers Center

8900 Research Drive

Charlotte, NC 28262

(704) 602-4100

Dress Code

Business casual

Polo or button down shirt

Long pants

Closed toe shoes, no heels

Lab Etiquette

No drinks, food or gum

No tobacco or vaping devices

Safety glasses must be worn