SCS (Sequential Cavity Separation) molding Family mold molding

Family mold Expense reduction Mold quantity reduction Simultaneous molding Low mold clamping force Small lot production Injection molding SCS molding Sequential injection

Introduction to Technology
SCS (Sequential Cavity Separation) molding (Family mold molding)
High response valve control injection condition automatic compensation system
Sequential injection using a strong two-platen high-precision mold clamping mechanism for unbalanced loads inside a mold!
Advantages for the customer
  • Reduce expenses and the number of molds by means of changing to one mold.
  • Easy part management and color matching through the use of simultaneous molding.
  • Low mold clamping force through the use of sequential injection for each cavity.
  • Easy production of small lots through the use of cavity selection molding.
System Features
  • Injection conditions for a maximum of four cavities can be entered.
    Six speeds, six pressures, and three holding pressures common to each cavity.
  • Automatic origin point compensation for injection start position for each cavity
  • Valve gate open/close timing is coupled to the injection completion.
  • Displays independent injection speed and pressure waveforms for each cavity.
Injection graph screen
Injection graph screen

Performance example
  • Molded part: A3, A4, B5 trays
  • Resin: PP
  • Mold: Family mold (gate valve 6 series)
Required mold clamping force
Ordinary valve gate molding
1,300 tons
?
SCS molding
730 tons
Cavity layout
Cavity layout
Weight unevenness
  • A3 tray (wall thickness 2.0 mm): 928.25 ±1.35(g) (±0.15 %)
  • A4 tray (wall thickness 1.5mm): 440.23 ±0.75(g) (±0.17 %)
  • B5 tray (wall thickness 1.5 mm): 332.55 ±0.56(g) (±0.17 %)
    (Weight indicates the total of one group and two units for each tray.)
Applicable machines
  • Large-sized electric injection molding machineem series (650 to 1,450 tons)
  • Ultra large-sized injection molding machine series (1,300 to 4,000 tons)


Copyright(C) MITSUBISHI HEAVY INDUSTRIES PLASTIC TECHNOLOGY CO.,LTD. All Right Reserved.