The TECH TOPICS category is an archive of Technical Topics that have appeared in past issues of the SPE GGS Spearhead.
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TECH TOPICS OUTLINE
INJECTION MOLDING
DESIGN
Volume
calculations
What
nozzle is correct?
Gating
#1
Gating
#2
Part
breakage
Cooling
calculations #1
Cooling
calculations #2
Cooling
calculations #3
Cooling
calculations #4
Why
Eject?
Sprues
A
Good Part pt. 1
A
Good Part pt. 2
A
Good Part pt. 3
A
Good Part pt. 4
Using
Checklists (Molds)
MOLD FLOW
Mold
Flow for part quality
Mold
Flow for part cost
Mold
Simulations and faster cycles
PROCESSING
Ancillary
equipment
Basic
machine process control
Cooling
supply
Cycle
time
Intensification
ratio
Process
Review
Purging
- the process
Troubleshooting
Basics #1
Troubleshooting
Basics #2
Troubleshooting
Basics #3
The
set-up sheet
General
purging guidelines
Pressure
drop / Shrinkage
Process
water for molding
Injection speed
Foaming
Water
Lines for Dummies
Water
Temperature
Proper
Cooling
Why
Parts Change
Processing
Special Materials
Basic
Processing Questions
The
Process
Determining
Pack Time
Determining
Cool Time
Consistent
Shots
The
Process - Results
TOOLING
Gate
location
Hot
runners #1
Hot
runners #2
Hot
runners #3
Hot
runners -startup
Mold
Balance
Machine
Nozzles
Ejector
Rods
Maintenance
of Tools/Molds
Maintenance
of others
Basic
Tool Design
Hot
Runners -Idiot Proofing
Cold
Runner Sizes
Care
of Hot Runners
Hot
Runner Thoughts
Hot
Runner Thoughts pt. 2
Hot
Runner Thoughts pt. 3
The
Inherited Tool / Job pt. 1
The
Inherited Tool / Job pt. 2
The
Inherited Tool / Job pt. 3
The
Inherited Tool / Job pt. 4
MATERIALS
Color
#1
Color
#2
Color
#3
Color
#4
Color
#5
Material
Basics #1
Material
Basics #2
Material
Basics #3
Material
Basics #4
Material
handling #1
Material
handling #2
Material
handling #3
Material
handling #4
Material
handling #5
Material
handling #6
Material
handling #7
Materials
Failure
Changing
Colors
Material
Specs On Line
Saving
Scrap
Scrap
Reduction by Housekeeping
Drying
of Materials part 1
Drying
of Materials part 2
Drying
of Materials part 3
Drying
of Materials part 4
Drying
of Materials part 5
MACHINERY
Machine
Hydraulics
Machine
Watch
Machine
Maintenance
Grinders
Filters
The
Molding Machine part 1
The
Molding Machine part 2
The
Molding Machine part 3
The
Molding Machine part 4
The
Molding Machine part 5
The
Molding Machine part 6
The
Molding Machine part 7
The
Molding Machine part 8
The
Molding Machine part 9
The
Molding Machine part 10
The
Molding Machine part 11
The
Molding Machine part 12
Thermal
Expansion - Clamp Area
EXTRUSION
PROCESSING
Draw
down ratio
Wall
thickness
Dial
in
taper
Vendor
quality
Extrusion
technician
TOOLING
Breaker
plate #1
Breaker
plate #2
Crosshead
design
Extrusion
head
Gear
pump
Feed
throat
MISC.
LEGAL ISSUES
Trade
secrets
Mark's
Rules
BUSINESS PRACTICES
Just
In Time
Price
Reduction Requests
Quoting
Competitor's Parts