FAQ'S
PBM Blow Moulding Machine
In All Operation
- Low pneumatic pressure
- Blow pin is 'IN' position
- Poor connection or disconnected solenoid valves PY17.
- Defective solenoid valve
- Disconnected circuit
In Hand Operation
- Loose or disconnected mold close out put
In Fully Automatic Operations
- Loose or disconnected circuit
In All Operation
- Low pneumatic pressure
- Poor connection or disconnected solenoid valve PY26.
- Defective solenoid vale or coil.
- Disconnected circuit
In Hand Operation
- Loose or disconnected circuit
In Fully Automatic Operations
- Loose or disconnected circuit
In All Operation
- Low air pressure
- Defective solenoid valve PY25
In Hand Operation
- Loose connection or disconnected out put
In Sami or Fully Automatic Operations
- Loose or disconnected circuit
In All Operation
- Low air pressure
- Defective solenoid valve PY1
- Defective solenoid valve coil
- Loose connection or disconnected
- Defective quick exhaust valve
In Hand Operation
- Loose connection or disconnected circuit
In Sami or Fully Automatic Operations
- Loose or disconnected circuit
In All Operation
- Low air pressure
- Solenoid valve defective PY4
In Fully Automatic Operation
- Loose or disconnected circuit
Dull Internal Surface
- Increase processing temperature
- Increase screw speed
- Polish the core
- Check the function of heating system
Dull External Surface
- Increase processing temperature
- Increase die temperature
- Polish the mouth piece or die
- Increase blowing air pressure
- Check the function of heating system
Melt Fraction
- Increase processing temperature
- Increase die temperature
- Check the function of heating system
- Decrease screw speed
- Increase die gap
- Improve material flow in the cross head
Longitudinal Flow Mark
- Clean and polish Die head
- Polish the die and mouth piece
- Improve material flow in the cross head and die head
- Increase processing temperature
- Increase cross head temperature
- Decrease die head temperature
- Check the function of heating system
Air Bubbles
- Decrease the processing temperature
- Pre-dry the raw material
- Increase feed zone temperature
- Decrease cross head temperature
- Decrease feed zone water cooling
- Increase screw cooling air flow
Dust Particles
- Clean the cross head and die head
- Clean the polish the die head
- Clean screw and barrel
Check The Function of Heating System
- Increase processing temperature
- Increase cross head temperature
- Increase or decrease die temperature
- Decrease free zone temperature
- Increase free zone water cooling flow
- Decrease screw cooling air flow
- Decrease screw speed
Dark Discoloration
- Decrease processing temperature
- Decrease cross head and die head temperature
- Increase or decrease screw cooling air flow
- Check the function of heating system
- Check the thermocouple
- Increase or decrease screw speed
- Clean and polish the head, cross head, die head and die
Burnt Particles
- Decrease processing temperature
- Decrease die and head temperature
- Increase screw cooling air flow
- Increase feed zone cooling water flow
- Check function of heating system
- Check function of barrel cooling blower
- Clean and polish cross head, die head, barrel, die and mouth piece.