Rotary Type Plastic Sole Automatic Injection Moulding Machine NSK-250A


  • NSK-250A is accurately controlled and operated by computer and it’s smooth to operate and easy to maintain.
  • Independent hydraulic system; precise pressure, efficient operation, high productivity and top quality.
  •  A very capable clamping mold and high clamping mold pressure combine to produce products without any burr.

  • Steel close-mold seat will never deform.
  • Stable rotating disc controlled by hydraulic transfer system, locate exactly noiselessly.
  • The hydraulic pressure of clamping-mold has segmental speed control, the efficient operation & high productivity will never damage the mold.
  • Screw rotation with hydraulic motor, feeds smoothly, fast and noiselessly. The feeding screw special design helps to increase production.
  • Hydraulic injection system: injects quantity accurately and efficiently, helps to increase production.
  • The machine is very easy to operate and to maintain, even for an unskilled worker.
  • Auto feeding system controlled by computer: Feeds the material precisely & easy to adjust.
  • Auto computer scout system for disc's rotation: Locate accurately & without displacement.
  • The machine is suitable for P.V.C., T.P.R., P.V.C. foaming T.P.U. and N.B.R. material.
  • This machine has cooling system which can bring the good mold cooling results.


Item Specification Unit
Screw rod diameter Ø70 mm
Ejective capacity 600 cm³/shot
Mould cooling system water cooling  
Motor 6P*25HP kw/pole
Mold clamping force


Mold clamping space(max.) 250 mm
Size of mold available(max.) 400x240 mm
Mold clamping frame 20 STATION
Total electric comsumption 8 kw
Machine size 6230x3260x1900 mm
Machine weight 8.82 ton
Packing dimention 6000x2180x1800 mm
Gross weight 9.4 ton