ultimate injection molding technology and pulp injection
TRANSCRIPT
Y O KO I L A B .[U l t imate In ject ion Mold ing Technology and Pu lp In ject ion Mold ing]
Department of Mechanical and Biofunctional Systems
http://www.i is .u -tokyo.ac. jp/~hiyokoi/
Polymer Processing
Ult imate In ject ion Molding Technology and Pulp In ject ion Molding De-B01
Precis ion engineer ing department
Product ion Technology Research Group
Recent Topics on Visualization and In-process Measurement Technologies for Injection Molding
The Yokoi Laboratory is conducting the following projects; “Ultimate Injection MoldingTechnology” and “Pulp Injection Molding (PIM)”. Visualization themes and in-processmeasurement technologies are introduced through the demonstration of recent analyticalresults and video visualization images. Development of PIM samples is also reported usingtypical molded samples on display.
◆ Visualization Analysis on Reciprocating Plastication Process of Fiber-reinforced Resins by Glass-inserted Heating Cylinder
◆ Visualization Analysis of Asymmetric Fountain Flow Phenomena for Fiber-reinforced Resins Based on Dynamic
Observation of Melt Front Behaviors
◆ Experimental Analysis on Molding Process of Cascade Hot-runner System by Visualization Mold
◆ Visualization Analysis on Various Types of Flow-mark Occurrence Processes by Visualization Mold
◆ New Application Fields of Pulp Injection Molding Technology
Dynamic observation of melt front behavior oflong glass-fiber reinforced PP(50wt%)
Observation of micro-groove flow markgeneration process in the case of generatinginclined grooves to the melt contact lineCavity filling behavior in cascade hot-runner
system
High speed video camera
Lighting
unit
Visualization
cylinder
Pressure sensor
Observation window
Connecting rodMoving table
Experimental setup for visualization ofreciprocating plastication process andAn example of extended lamination imagefor glass-fiber reinforced PP(30wt%)
t=1.5s t=1.7s t=1.8s
Resin: GPPS
Application of pulp injection molding Case for warning flare