This chapter discusses all the characteristics relevant to processing like MFI, Melt viscosity, Shear thinning, moisture, significant temperatures, Shrinkage, Maximum
flow ratio, Crystalline and amorphose, pvT relationship, Process limitation imposed by the characteristics for various polymers.
This chapter explains the significance of injection rate, freezing time and Melt flow mechanism.
Screw RPM and Back Pressure
This chapter explains the significance of Screw RPM and Back Pressure and Screw surface speed / Peripheral speed. It explains relationship between Screw RPM and Screw
Process - Cavity Pressure Profile
Cavity pressure profile describes the moulding cycle. It explains methodology for setting speed and pressure profile.
Process - pvT Diagram
This chapter explains the significance of pvT relatioship in processing and methodology for speed and pressure profile.
Maximum Shot Weight
It explains the logic behind the shot weight calculation for different polymer.
Residence Time and; Thermal Stability
This chapter highlights the significance of residence time in the process. This limitation in processing is set by the time dependent Thermal Stability of the
Barrel Temperature Profile
This chapter explains the logics behind the barrel temperature profile. It explores the heat sources and baancing of heat sources and explains the various types of
barrel temperature profile.
Mould Temperature and; Cooling
It discusses the importance of heat balancing required in the mould and need for well thought out design of cooling circuit. It enables you to see the mould in terms of
Cycle Time and; Productivity
It explains dependeance of producitivity is on the three balancing tricks involving good part design and mould design (Cooling circuit).
This chapter provides tips on trouble shooting. It also describes steps for machine setting.
Overview of Process Setting
This chapter provides tips on process setting. A table of typical process parameters for various material could be very useful. A Table explains limitations for cooling