The required clamping force can be calculated from the cavity pressure inside the mold and the shot projected area, on which this pressure is acting. PC+ABS (Polycarbonate-Acrylonitrile-Butadiene-Styrene Blend) Typical Applications. 2. standard ABS or similair easy flow material. Injection Molding pressure calculation. In this research, melt temperature and injection pressure were considered as input parameters to investigate the flow length, in the most commonly used plastics including acrylonitrile butadiene styrene (ABS), polycarbonate (PC), polyamide 6.6 (PA 6.6), polyoxymethylene (POM). 4.4 Injection and holding pressure; injection speed 26 – 28 4.5 Screw speed; back pressure 29 4.6 Cooling time 30 – 33 4.7 Optimization of machine settings; production monitoring 34 – 35 5 Processing reclaim; recycling 36 6 Measures for the elimination of molding faults 37 – 48 7 Product range 49 Processing data for the injection molder PC + ABS plastics offer improved strengths over ABS at a lower cost than Polycarbonate.. For example a 3" x 3" square with .09 thickness. The injection pressure are generally controlled between 80-120MPa.For the thin-walled, long running, complex shape and the smaller gate products, higher injection pressure (120-145MPa) is required to overcome the resistance of the melt flow and fill the mold cavity in time, to obtain a complete and smooth surface of the product. There are variables that affect the clamping force calculation, like the material type (low-flow versus high-flow plastic), and the depth of the part. A back pressure is the pressure in an injection molding machine that is exerted by the material when the material is injected into the mold. Injection Molding – Determining Clamp Tonnage Requirements The clamp unit of an injection molding machine is rated by the maximum amount of clamp force that the machine is capable of producing. Computer and business machine housings, electrical applications, cellular phones, lawn and garden equipment, automotive components (instrument panels, interior trim, and wheel covers) Basically to determine if my machine will have the capacity to mold a certain part. Since mercury injection pressure is numerically equivalent to the capillary pressure of the rock pore–throats, it is also called capillary pressure, expressed as p c, (6.2) p c = 2 σ cos θ R where σ is the interfacial tension in N/m; θ is the contact angle; and R is the pore–throat radius. Exceptional low temperature and Impact Strength.The material can be modified by the addition of glass fiber, mineral fillers and flame retardant.