Injection Moulding

Injection moulding is a manufacturing process for producing parts by injecting molten material into a mould.

Injection moulding is a manufacturing process for producing parts by injecting molten material into a mould. Injection moulding can be performed with a host of materials mainly including metals, (for which the process is called die-casting), glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers. Material for the part is fed into a heated barrel, mixed (Using a helical shaped screw), and injected (Forced) into a mould cavity, where it cools and hardens to the configuration of the cavity.

Partner: Liguang

FL 50 - FL 90

These Injection Moulding machines provide a clamping froce between 50 to 90 Ton. PES 50 - PES 90 also supply an injection pressure of around 2000 kgf/cm2.

These injection moulding machines both have a Mould Clamping Stroke of 320mm and a Mould Thickness from 140-360mm.

Injection Moulding

Moulding Process

Injection moulding uses a ram or screw-type plunger to force molten plastic material into a mould cavity; this solidifies into a shape that has conformed to the contour of the mould. It is most commonly used to process both thermoplastic and thermosetting polymers, with the volume used of the former being considerably higher. Thermoplastics are prevalent due to characteristics which make them highly suitable for injection moulding, such as the ease with which they may be recycled, their versatility allowing them to be used in a wide variety of applications, and their ability to soften and flow upon heating. Thermoplastics also have an element of safety over thermosets; if a thermosetting polymer is not ejected from the injection barrel in a timely manner, chemical crosslinking may occur causing the screw and check valves to seize and potentially damaging the injection moulding machine.

Injection moulding consists of the high pressure injection of the raw material into a mould which shapes the polymer into the desired shape. Moulds can be of a single cavity or multiple cavities. In multiple cavity moulds, each cavity can be identical and form the same parts or can be unique and form multiple different geometries during a single cycle. Moulds are generally made from tool steels, but stainless steels and aluminium moulds are suitable for certain applications. Aluminium moulds are typically ill-suited for high volume production or parts with narrow dimensional tolerances, as they have inferior mechanical properties and are more prone to wear, damage, and deformation during the injection and clamping cycles; however, aluminium moulds are cost-effective in low-volume applications, as mould fabrication costs and time are considerably reduced. Many steel moulds are designed to process well over a million parts during their lifetime and can cost hundreds of thousands of Rands to fabricate.

Our range of Injection moulding machines

  • FL 50 T
  • FL 90 T
  • FL 130 T
  • FL 170 T
  • FL 220 T
  • FL 260 T
  • FL 320 T
  • FL 380 T
  • FL 480 T
  • FL 580 T
  • FL 700 T
  • FL 800 T
  • FL 1000 T
  • FL 1300 T
  • FL 1600ES T
  • FL 1850ES T
  • FL 2100ES T
  • FL 2400ES T
  • FL 2800ES T
  • FL 3300ES T

Features and includes:

  • KEBA Computer controller from Austria
  • Servo motor with Gear pump
  • Hydraulic core pulling device X 1
  • Air blow device X 2
  • Glass 6 tube water flow regulator
  • Anti-vibration pads
  • Mould clamp
  • Tool box

Standard Spare Parts

1 set per item
  • Heater band (L.M.S.)
  • Limit switch
  • Proximity switch
  • Nozzle
  • Vibration pads
  • Oil seal
  • Head + Ring + Collar
  • Mold clamps
  • Thermocoupler
  • Tool Box
  • SSR