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  Energy Saving Servo Hybrid Injection Molding Machine
 
 
Computer: Compatible with D type computer.
Machine Type:

Compatible with the followings:
Standard injection molding machine
Silicon injection molding machine
P.E.T injection molding machine
Bakelite and melamine injection molding machine
Multi color mixed injection molding machine
Acrylic injection molding machine
Hard PVC injection molding machine
Two set double cylinder system for Injection machine
Gas assist equipment

More compatible types available, please contact us for detail.

   
A. Tradition Hydraulic Injection Molding Machine B. All Electric Machine
   
C. ASR Servo Motor Control D. Electricity Loss Comparing

   

The above diagrams are comparisons of all injection machine types. Each interval represents two scores, and total is ten. The higher the score is, the overall machine efficiency the better.
 
  1. For energy saving efficiency, the all-electric machine has better performance (energy saving: 60 - 80%) than ASR servo system (50 - 70%), however, ASR servo system has higher overall total score of 74 points, while all-electric machine has only 62 points. Therefore, although ASR servo system has only 9 points on energy saving while all-electric machine has 10, the all-electric still performs much better than AST servo system. The traditional hydraulic injection molding machine is the worst on the energy saving, thus, one must make smart choice to reduce the energy loss to increase the profit margin.
  2. For machine life, all-electric machine uses ball bearing screw driven type and would not last longer after a few years, which is also very expensive comparing to the ASR servo system and traditional hydraulic machine that usually last for over ten years.
  3. For cost value, traditional hydraulic machine has the lowest cost, and the all-electric machine has the highest cost. ASR servo system machine is in the middle.
  4. For pressure holding control, when holding the pressure, traditional hydraulic machine uses fixed pump and only need to exile extra hydraulic oil, which is better than all-electric machine and ASR servo system. All-electric machine needs to have stronger servo motor in order to have larger pressure holding, therefore, the ASR servo system will be the better choice comparing to all-electric machine for producing thick wall items.
  5. For maintenance charge, the traditional hydraulic machine and ASR servo system only cost little, while the al electric machine costs much higher.
  6. For stability operation, since all-electric machine and ASR servo system use hydraulic circuit feedback controlling system, they have better stability operation comparing to the traditional hydraulic machine.
  7. For operation noise, ASR servo system is louder than all-electric machine and traditional hydraulic machine during high speed operation. The noise will be even lower by using gear pump or screw pump.
  8. For low speed efficiency, ASR servo system performs best under low pressure and low speed comparing to all-electric machine.
  9. Diagram D represents the comparisons of electricity consumption and energy differentiation between traditional hydraulic machine with fixed pump/variable displacement pump and AST servo system. In order to make a smart decision when choosing a injection machine, one must think carefully to choose a machine that costs less but performs better.
Servo system has two types of controlling: permanent magnetic type and induction type. The permanent magnetic type performs better in low speed torque, better start, stop response and energy efficiency (ASR servo system response time is less than 100ms, ASE is between 120-140ms, and induction type is over 500 ms). Servo system has options of complete set of permanent magnetic servo motor, controlling unit, and pump unit imported, or combined together with induction type system, or customer selection of motor, pump, and controlling unit. Prince of course, varies based on the quality level of selection.
 

Servo system has three primary pump selections: piston pump, gear pump, and screw pump. Comparing the volume efficiency, piston pump has the best efficiency (> 96%). The next is the gear pump with 85% or above, then the screw pump with 80% or above. One with higher volume efficiency saves more energy, however, comparing the operation noise will have a backward sequence: screw pump < gear pump < piston pump.
 
Servo system uses less hydraulic oil and cooling water since the oil temperature is low. Also because of the low oil temperature, it has longer oil seal life, machine lift, and better stability.