Meiki – MC-MJ Series

MC-MJ Machine, Meiki,

MC-MJ Series

MC-MJ series is Meiki’s injection moulding machine for Sandwich moulding or Marble moulding.

Sandwich Moulding

An ecologically friendly method which offers better utilization of resources and provides environmental protection simultaneously.

Standard Sandwich Mould

Sandwich moulding is a method which uses recycled materials together with new materials stacked atop one another. The recycled material is used for core layer with new material used for a higher quality outer skin.

Foamed Core

By using a standard material for skin layer and a foamed material for the core layer, it is possible to reduce the product’s weight. Sink marks of thick-wall products are prevented and the surface has a soft touch and the foam provides sound absorption.

Gas Barrier

An inner core with gas barrier properties prevents the permeation of gases entering the product. This can be used in food packaging to improve the shelf life of the contents inside.

Stronger High Finish Products

The core material can include fillers such as glass fibre or minerals to increase a product’s strength. Together with a standard material skin to give a high-quality exterior finish.

Marble Moulding

Marble moulding is the injection of two different material sequentially to create a marbled pattern effect. This can be used as a cosmetically to enhance a product appearance.

Skin Layer and Core Layer Example

Sandwich Moulding Example

For more information use the email form below to get in contact with us today.

    Meiki – Injection-Press Machine

    Injection-Press machine, Meiki,

    Injection-Press Machine

    Meiki’s Injection-Press Machine allows for easier moulding of larger and thicker products. It simultaneous compresses the material during injection ensuring a more uniform moulding, compared to a conventional clamping method which is unable to mould such large products.

    Comparison to Conventional Machines

    The Injection-Press machine, unlike conventional machines, delivers this performance by leaving the mould open during the injection phase. It utilises a 4-Axis clamp parallelism and injection volume control to maintain an equal pressure on the material throughout the mould. As a result, the resin flowing pressure and residual stress are drastically reduced, allowing for less warping of flat products. This high performance can be attained even when using edge gate moulds. It even has improved performance with composite/glued mouldings because of its low uniform pressure.

    Examples

    Under Engine Skirt

    • Uniform thickness and less distortion/warping
    • Projection area= 5700cm2
    • Material: PP
    • Thickness 1.3~2.0mm
    • Temperature: 260℃
    • Centre gate Mould Temperature: 60℃
    Injection Press Moulding example

    Injection press moulded Press pressure = 650-ton

    Standard Injection Moulding example

    Standard injection moulding process Clamping force = 850 ton Injection pressure = 1700kg/cm2

     

     

     

     

     

     

    
    

    M200C-DM Laptop Chassis

      • Glued moulding- Copper foil(35um)
      • Material: ABS/PC/PBT+CF15%
      • Thickness=0.9mm
    Laptop chassis example
    
    
    
    
    
    
    

    Door Trim

    • Lower material flowing pressures allows soft inserts to be over moulded.
    Door trim example

    Glued Fabric insert

    Moulding sequence

    Injection-Press moulding sequence example

    1. Mould closes to controlled open position
    2. Injection starts
    3. Mould compression
    4. Mould open and ejection

    Meiki Pre-Press System (MPPS)

    The Meiki Pre-Press System preloads the material in the screw and barrel using a shut-off valve at the nozzle tip. The screw moves forward closing the check valve on the head, trapping the material inside the barrel at a constant pre-injection pressure achieving an even load density. The screw position after pressurisation is taken as the injection shot volume starting point by the MPPS control system. This enables a constant shot volume to be injected into the mould. Removing any unwanted variation in final product quality.

     

    MPPS example

    MPPS system example

     

     

    MPPS test results

    Effects of MPPS control

     

    For more information regarding Meiki’s Injection-Press Machine, please use the email form below to get in touch with us.

    
    
    

       

       

      Meiki – Multi-Colour Large Rotary Machine

      Large Rotary Machine

      Multi-Colour Large Rotary Machine

      MC-VR-CJ series is a large rotary machine which is capable of multi-colour moulding, multi-layer moulding and in-mould assembly moulding, two or three colour moulded products can be made.

      The machine can be built to house two or three stations for the different coloured material and rotates to allow the next material to be injected.

      Examples:

      Multi coloured Injection moulding example

      Moulding Technique Example

      Multi colour Moulding examples

      Final Product Example

      
      
      
      
      
      

       

       

       

      This highly popular machine is utilised by the world leaders in multicoloured car lamp manufacturers, available in five different clamping force options from 700-2000 tons.

      Get in touch with us today for any enquiries into this sought after machine by using the email form below.