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Specifications of Injection Moulding Machine

Specifications of Injection Moulding Machine

Parts & Specifications of Injection Moulding Machine

While selecting injection moulding machine, you must understand and value the following specifications Specifications of a Injection Moulding Machine:

INJECTION UNIT To understand the meanings
Maximum swept volume cc / max. shot weight gr. calculation of max. shot weight for a material
Maximum metering stroke in mm. dependance of quality of melt for consistancy of moulding.
Maximum injection speed g/s or cc/s how it ensurs melt to spread through out when in fluid condition-

before it freezes. Its relationship with freezing time.

Maximum injection pressure Kg/cm2 how it overcomes resistance to flow during filling and; pressure phase

on account of flowratio and; viscosity.

Maximum Injection Power.Kgcm/sec. how it takes care of difficulty in fiiling for thiner walled and high

flow ratio parts.

Plasticizing rate g/s or Kg/hr. how it influences cycle time.
*Specifications of Injection Moulding Machine Injection Unit.
CLAMPING UNIT To understand the meanings
Clearance between Tiebars and platen size mm x mm how it accomodates mould.
Maximum daylight mm and mould open stroke mm its significance for ejection of deep parts.
Minimum mould height its relationship with mould open stroke and daylight.
Clamping force its dependance on cavity pressure and method to compute cavity


*Specifications of Injection Moulding Machine Clamping Unit.
HYDROMOTOR To understand the meanings
Torque Kgm and rpm torque requirement for -viscosity of- melt.
*Specifications of Injection Moulding Machine Hydromotor.
DRIVE POWER To understand the meanings
Power supply frquency 60 or 50 Hz. its influence on speeds.
Pump-motor rating. kW to match the application – usage of machine.
*Specifications of Injection Moulding Machine Drive Power.
CONTROLS To understand the meanings
  • Conventional / Proportional and Cartridge valve Hydraulic Controls
  • Electrical / solid state / microprocessor controls
  • Open loop or closed loop controls
*Specifications of Injection Moulding Machine Controls Unit.
NO LOAD CYCLE TIME To understand the meanings
Cycle Time It indicates the time for non processing part of the cycle time
*Specifications of Injection Moulding Machine Cycle Time.


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