Main Training Programs
PLASTIC INJECTION MOULDING-TOOL MAKER MAINTENANCE TRAINING
OVERVIEW OF PLASTIC INJECTION MOULDING-TOOL MAKER MAINTENANCE TRAINING:
This program details procedure for proper mold design and care before, during, and after a production run – stressing important safety considerations for mold handling. From mold storage to part removal, this course provides participants with good mold maintenance habits and aims to extend tool life and increase its productivity.
COURSE OBJECTIVES :
- Proper mold maintenance procedures
- Safety steps to observe when handling & maintaining molds
- Proper tool design methods
- Mold storage & preparation
- Water line maintenance
- Various factors that affect the condition of an injection mould
- Techniques for extending tool life
DURATION :
- 2 days
INTENDED AUDIENCE :
- Tooling Engineers
- Mold Maintenance Technicians
- Assistant Engineer
- Setup Technicians
- Supervisors
- Mold setter
METHODOLOGY:
- 70% classroom & 30% on the machine
- To have at least 2 sample molds for evaluation
COURSE CONTENT :
Safety
- Dangers
- Proper dress
- Personal Protective Equipment (PPE)
- Good housekeeping
Mold design & construction
- Calculations and data required during designing an injection mould
- Types of molds
- Mold and inserts material selection
- Mold base
- Undercuts with sliders & lifters
- Wear plate
- Injection
- Draft angle
- Venting
- Sprues, runners, gates
- Cooling system
- Runner systems & gating
- Ejection systems
Mould making techniques
- Machining techniques
- Electrical Discharge Machining
- Etching
- Alignment of molds
Materials for injection moulds
- Case hardened steel
- Nitrided steel
- Corrosion resistant steel
- Berylium copper
- Coating
Mould maintenance procedures
- Mold storage & preparation
- Water line maintenance
- Venting maintenance
- Mold checklist
- Inserts for critical areas
- Plating
- Spare parts
- Mold maintenance records
- 1st shot and last shot importance
Techniques for extending tool life
- Human error
- Abrasion
- Flash
- Double clamp
- Hard metals
- Corrosion
- Temperature
- Plastic material effect
Common defects caused by tooling and how to overcome them
- Short mold
- Burrs
- High cycle time
- Drag mark
- Part crack
- Burn mark
- Cavity balancing
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