Water System
Properties
Viscosity
Conductivity
Acidity
Filtration
Mineral contents
Others
Temperature
Deflection Tube
Size
Position
End Shape
Condition
Proper Installation
Flow
Flow Rate
Direction
Pressure Differential
Restricted Passage

Electrical Supply (Facility)
Current Carrying Capacity
Stiffness
Phase Load Balance
Voltage Stability
Transient
Trend
Line Faults

Transformer (welding)
Type
Hypersil
Stacked Core
Size
Cooling
Aging
Primary
High/Low
Tap Switch
Secondary
Series
Parallel
Voltage
Resistance
Inductance
Short Circuit Condition
Primary
Secondary

Secondary Loop
Resistance
Current Carrying Conductors
Type
Cable
Intermediate Parts
Shank
Electrical Conductivity of Material
Size/Diameter
Length
Insulation
Cooling
Wear
Connections/Connectivity
Surface Area
Surface Coating
Oxidation
Tightness
Shorting
Expulsion Built-up
Wear
Inductance
Loop Area
Throat Area
Cable Routing
Cable Bundling
Cable Length
Magnetic Material in Loop Area
Parts to be Welded
Tooling Fasteners
Fixtures

Electrodes
Type
Geometry
Shape
Size
Cooling Hole Size
Material
Tip Coating
Wear
Mushrooming
Pitting
Alloying
Mechanical Damage
Design Considerations
Heat Balance
Access Issues
Finish Requirement
Sticking

Force Application System
System Components (Pneumatic, Hydraulic, Air-over-Oil)
Cylinder
Head
Cap
Tube Tie Rods
Piston
Piston Rod
Rod Bearing
Seals
Size
Wear
Porting
Metering
Cushions
Leaks
Bushing
Alignment
Hose
Valve
Filter
Dryer
Worn Hose
Air Leaks
Regulator
Damping
Impact Force
Lubrications
Follow-up
Forging
System Components (Electrical)
Cylinder
Hose
Valve
Filter
Dryer
Supply Capability
Flow Rate
Pre-mature Firing

Mechanical System
Electrode Alignment
Axial Alignment
Angular Alignment
Shank
Material
Length
Size
Stiffness
Taper
Arm
Material
Geometry
Stiffness
Bushing
Tightness
Wear
Lubrication
Equalization
Insulators
Proper Mechanical System Assembly

Controller
Power In
Power Out
Water
Weld
Grounding
Design Considerations
Current Capacity
Duty Cycles
Fault Status Checking

Others
Fixture
Tip Dressing Equipment
Monitoring Equipment
Robotics