Capacity 250T/C1220

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Injection Moulding Machine

Injection molding machines are essential equipment in manufacturing processes where plastic parts are produced in large volumes. Here's an overview of how they work: At Dolphin Plast India Pvt.Ltd, we see ourselves as a total solution provider. We support our customers in their challenges. Our injection moulding machines stand for efficiency, quality and reliability.

  • CLAMPING UNIT
  • INJECTION UNIT
  • ELECTRIC UNIT
  • HYDRAULIC UNIT
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Description 250T/C1220 250T/C1700
Injection Unit Unit C1220 C1700
Screw Type A B C A B C
Screw diameter MM 50 55 60 55 60 65
Screw L/D Ratio L/D 22.5 20.5 19 22.5 20.5 19
Theoretical Injection Volume Cmᶺ3 520 630 750 713 848 995
Shot Weight ( PS ) Gm 473 573 682 649 772 906
Max. Injection rate into Air Cmᶺ3/S 198.5 240 286 244 290 340
Max. Injection rate into Air G/S 2352 1944 1633 2395 2013 1715
Max. Injection Pressure Kg/Cm2 28 40 48 37 50 61
Theoretical Plasticizzing Rate G/S(PS) 18.5 27 32.5 28 40 48
Screw Stroke MM 265 300
Max. Injection Speed mm/S 94 102.5
Max. Screw Speed rpm 205 225
Hydromotor Size cc 782 889
Clamp Unit
Clamping Force Ton 250
Opening Stroke mm 490
Space Between Tie Bars H x V mm x mm 575*525
Platen Size H x V mm x mm 840*790
Min. mould height mm 200
Max. mould Height mm 580
Max. Daylight mm 1070
Ejector Stroke mm 150
Ejector force forward KN 75
Gen/Electrica
System Pressure Kg/Cm2 175 175
No. Of Motors No. 1 1
Pump Motor Power Kw 27.8 36.5
Heater Power Kw 15.3 17.3
Total Connected Load Kw 43.1 53.8
No. of Temp. Control Zone No. 3+1 4+1
Other
Hoper Capacity Kg 50 50
Oil Tank Capacity L 275 275
Machine dimensions ( LxWxH ) Mtr 5.69*1.6*1.86 5.69*1.6*1.86
Machine Weight Ton 7.7 7.8

CLAMPING UNIT

Large Open Distance And High Rigidity Clamping Unit

  • Longer and wider guide support, higher repeat accuracy. improving molded product quality and molds lifespan largely
  • The overall mechenical rigidity far exceeds that of other suppliers, which not only improves the service life of the machine, but also effectively protects the mold.
  • Larger space between tie bar, adaptable to more sizes of molds and multi-cavity demands.
  • European-style ejector structure, larger space, more conve-nient maintenance.
  • Key guiding pa rts for the bar, ejectors are upgraded with graphite copper bushes. And self-lubricating alloy sliding plate are used on the movable platen and rear platen Mold opening and locking is fast and precise.
  • The mechanical structure and connecting rod design are more optimized, the running speed is faster, more stable, and the efficiency is improved.
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INJECTION UNIT

Low Inertia And High Precision Injection Unit

  • The flip-up nozzle protective cover makes production and maintenance easier.
  • Dual carriage structure improves the accuracy of injection.
  • The overall support structure of injection unit with precise dual linear guide rails ensures precise and fast action response.
  • Steel tubes of injection unit are connected by fittings without welding, easy maintenance and after sales service.
  • The screw fip, check ring and screw washer are made from Imported high quality material SKD61 Varity of screw design are able to meet the needs of different plastic material and special processing injection molding.
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ELECTRIC UNIT

Low Inertia And High Precision Injection Unit

  • The machine programs are designed according to European safety standards to protect the operators.
  • It can realize modernized computer network manage- ment as well as data docking to user's MES system.
  • Noise-reduction and water-proof sponge are used on electric cabinet and junction boxes to ensure the safety of the machine.
  • High quality color LCD controller are developed with the power system manufacturers. It has faster response by better coordination with power system.
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HYDRAULIC UNIT

Low Inertia And High Precision Injection Unit

  • Equipped with precise energy-saving servo system, saving 20%-80% energy compared with traditional injection molding machine.
  • Use DIN standard cone seal fittings and valve plates with G thread sealing plug to prevent oil pollution.
  • Hydraulic system adopts modular design to improve system flexibility.
  • Imported well-known brand hydraulic components are used to ensure the reliability and quick response of the machine.
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