blow mold training



Customer On-Site Blow Molding

1-Week Course

The Blow Molding program includes both classroom instruction and hands on practice utilizing your blow molding machine. This is a comprehensive program designed to cover machine operation, safety, basic maintenance, and troubleshooting. The class begins at 1:00 p.m. on Monday and ends at 11:00 a.m. on Friday.


Monday: 1:00p.m. -4:00 p.m.
Customers Conference Room

I.    Introduction

II.   Videos
       a. Blowmolding Process and Equipment
       b. Plastic Behavior in the Blow Molding Process

III.  Slides - Blow Molding Machine & Operator Adjustments
       a. Extruder Components and Operation
       b. Start-Up / Shut Down Procedures
       c. Bottle Weight Adjustments
       d. Parison Length Adjustments
       e. Parison Hooking Adjustments
       f. Relationship between Blow Time and Screw RPM

Tuesday: 8:00 a.m. - 4:00 p.m.
Customers Conference Room

IV.   Slides - Understanding Cycle Time Variables

V.    Safety Video and Safety Discussion

VI.   Open discussion on problems or concerns.

VII.  Machine Side Orientation / Hands On Practice
       a. Start Up / Shut Down Procedure
       b. Operator Adjustments
       c. RPM and Blow Time Relationship

VIII. Slides - Operator Controls and Adjustments
       a. Function of Timers, Meters, and Selection Switches
       b. PLC
       c. Charge Delay Setup

Wednesday: 8:00 a.m. - 4:00 p.m.
Customers Conference Room

IX.    HDPE discussion (Shrinkage)

X.     Slides - Machine Adjustments
        a. Preblow Adjustments
        b. Blowpin and Shear Steel Alignment
        c. Fill Pressure Adjustments
        d. Manifold Choke Adjustment
        e. Resin Flare and Swell

XI.    Machine Side Hands On Training - Operator Controls & Adjustment
        a. Adjusting Cycle Time
        b. Preblow Adjustments
        c. Blowpin and Shear Steel Alignment
        d. Fill Pressure Adjustment
        e. Manifold Choke Adjustment

XII.   Slides - Machine Components
        a. Die Head and Tooling
        b. Ovalized Dies
        c. Pressure Ring Adjustments
        d. Limit Switch Functions

Thursday: 8:00 a.m. - 4:00 p.m.
Customers Conference Room

XIII.  Slides - Hydraulic System Overview

XIV.  Machine Sides Hands On Training

XV.   Slides - Machine Drive System & Clamp

XVI.  Machine Side Hands On Training
         a. Head Disassembly
         b. Mold Disassembly
         c. Machine Inspection Procedure
         d. Trouble Shooting Exercises
         e. Pneumatic System Explanation

Friday: 8:00 a.m. - 11:00 a.m.
Customers Conference Room

XVII. Slides - Logistics Contamination Investigation Presentation

           a. Pneumatics
           b. Swing arm and cooling bed
           c. Trimmer and Regrind System
           d. Material Storage, Conveying and Blending Equipment

XIX.   Slides - Review of Bottle Defects & Troubleshooting Guide & Discussion                            

XX.     Slides - Review Test

XXI.   Complete Course Evaluation

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