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Applications

 
Application  Problem  Example  PRIAMUS Solution
 Injection molding common  Molded parts not completely
 filled
 All molded parts
 Process monitoring:
 reject separation based on
 pressure  level or based on
 melt position (both before
 end of fill)
 Injection molding common  Venting problems / Fill
 problems
 Mobile phone housing
 Melt front depending
 venting:
 Automatic closing of a
 venting core as the melt
 reaches the sensor
 Injection molding common  Fluctuation of quality
 parameters (surface,
 dimension, mechanical
 strength, flash height, etc.)
 All molded parts

 Direct control of quality
 parameters (viscosity,
 shrinkage, compression)

 Injection molding of multi
 cavity molds common
 Different filling injection
 parts
 Devices for endoscopic
 instruments,
 Devices for infusion systems

 Automatic balancing of hot
 runner nozzles,
 Individual selection of bad
 parts

 Injection molding of multi
 cavity molds (optical parts)
 Long cycle time based on
 unbalanced hot runner
 Contact lenses  Cycle time reduction by hot
 runner balancing
 Sequential molding of multi
 cavity molds
 Unbalanced filling of cavities  2+2 cavity side sills  Hot runner balancing and
 control,
 Automatic real-time valve
 gate control
 Sequential molding of large
 scale molded parts
 Uncontrolled opening of
 valve gates,
 Weld line

 Bumper,
 Dash boards

 Automatic real-time valve
 gate control
 Injection molding of large
 volume molded parts

 Moving melt front depending
 on melt-, core and mold
 temperature,
 Different flow rate of melt

 Garbage bin,
 Container,
 Bottle crates
 Automatic switchover to
 holding pressure 
 (compensation of viscosity
 variations)
 Automatic control of hot
 runner nozzles
 Long flow distance general  Inconsistent filling of cavity
 and therefore different
 surfaces properties
 Axe handle  Shear rate control
 Filling of long flow path with
 small cross sections
 Injection parts sporadically
 not filled due to extreme
 relations between flow path
 and wall thickness
 Cable ties  Automatic hot runner
 balancing
 Connector molding  Molded parts sporadically
 not filles
 Cable connectors for engine
 compartment
 Switchover by pressure
 level before the end of fill,
 Level monitoring
 LSR (Liquid Silicone Rubber)
 molding
 Different compression due
 to very inconsistent melt
 flow
 Intracardiac catheter,
 Overmolded acceleration
 sensors (airbag activators)
 Automatic real-time valve
 gate control,
 Automatic balancing of valve
 gates
 Injection molding of
 technical parts
 Insufficient mechanical
 strength
 Parts with high-strength,
 Gear wheel
 Compression control
 Injection molding of highly
 filled materials
 Bad and inconsistent quality
 of injection part surface
 Metal replacements in
 automotive and sanitary
 Process control in general
 Injection molding of blend
 materials
 Material degradation due to
 process fluctuations,
 Narrow processing window 
 (e. g. PC blend)
 Infusion systems
 Hot runner control for
 constant fill times
 Ceramics injection molding
 Dimensional variations after
 the sintering process
 High intensity discharge
 lamps
 Automatic hot runner
 balancing
 Processing of recycled
 plastics
 Viscosity fluctuations,
 Quality fluctucations general
 Toilet seat,
 Tractor coverage
 Automatic switch-over,
 Viscosity monitoring and
 control
 Injection molding of family
 molds
 Different length of flow
 paths
 Model kits,
 Kits general

 Process monitoring,
 Automatic vale gate control

 Rotary table applications
 (multicomponent parts,
 inserts)
 Uncontrolled part quality
 depending on rotary table
 position
 Razor components  Monitoring, control and hot
 runner control in every
 single rotary table position
 Insert molding  Unbalanced mold filling   Golf balls,
 Coils,
 Conducting paths,
 Chip coating
 Melt front depending core
 pull control
 Insert molding of additional
 components
 Dimension of insert
 component not consistent
 Insert molding of sensor 
 cables (cable bend
 protection)
 Hot runner control
 Coinjection (Multi-layer
 injection molding)
 Uncontrolled filling of
 different components
 Barrier layer of PET
 preforms and food container
 Automatic detection of
 barrier layers,
 Monitoring and control of
 shear rate

 Gas injection molding,
 Water injection molding

 Plastic component not
 consistent,
 Gas bubble not consistent,
 Discharge of gas out of the
 gate
 Door handle,
 Fridge handle
 Automatic gas and water
 injection control via
 pressure and temperature
 sensor
 Painting / metal coating of
 injection molded parts
 Poor surface quality,
 Visible weld line

 Bath faucets,
 Bumper

 Shear stress control,
 Hot runner control
 Injection compression
 molding  (Stress free
 injection molding)
 Uncontrolled melt flow,
 Flow marks

 Optical parts, Eyeglass lenses

 Melt front depending
 injection compression
 molding
 Precision injection molding  Process fluctuations in
 general,
 Dimensional fluctuations
 Baseplate for servo drive,
 Blister packaging

 Automatic switchover; Shrinkage control,
 Hot runner balancing

 Reaction injection molding
 (RIM, RTM)
 Viscosity fluctucations,
 Uncontrolled cross linking
 Fiber-reinforced parts in
 automotive
Process monitoring general
 Mold transfer of injection
 molds
 Different part quality after
 mold transfer to another
 machine or another location
 Example:
 Process optimization in
 Europe
 Production in Far East
 Automatic control of
 machine parameters
 Process validation  Machine validation instead
 of process validation,
 Constant machine settings
 ≠ constant process
 Medical validation processes  Automatic control of
 machine parameters