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HOME > Product Information > Plastics extruder > Plastic Extruder

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Plastic Extruder

Extensive Line-up With Screw Diameters From φ14mm To φ150mm

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In addition to conventional extruded products using general-purpose resins such as PVC and polyethylene, the plastic extruder is used in development products in various fields such as cables, tubes and films that take advantage of its strength and other features of heat resistance and chemical resistance of high-performance resin materials called super engineering plastics such as polyamide, polyurethane and other engineering plastics like fluororesins, PEEK materials and PPS materials, etc.

Mitsuba manufacturing's plastic extruders are used with various resins and are made in-house, including screws and molds, from low-discharge extruders with a screw size of 14 mm to high-discharge extruders with a screw size of 150 mm to meet the requirements of each industry.

In this sense, we Mitsuba could provide high quality extruders designed and manufactured.

Features

1.Abundant Extruder Sizes

We Mitsuba have the following screw size extruders with screw diameters from Φ14 mm to Φ150 mm.

We will provide the optimum size depending on the resin material and the throughput amount of extrusion.

※Please separately contact us for more than 150 mm.

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                                   150 mm extruder + 90 mm extruder x 2              14 mm extruder

2.High Withstand Voltage Design

Mitsuba MFG Co. originally has back ground of manufacturing rubber extruders.

Because of this, it is highly evaluated by customers for its excellent durability since we generally use common parts of rubber extruders, gear boxes and thrust bearings, which have higher viscosity and higher back pressure than resin materials.

Our standard design, including the head, requires 35MPa (MAX.50MPa) for regular use.

Please contact us for pressure resistance higher than the standard design as it can be handled separately.

3.Screw design

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We design the optimum design from among the designs such as full flight type, BM type, and Maddock type according to the required specifications such as extrusion throughput amount, mixing, and extrusion temperature.

Since we also perform cutting in-house, we can produce high-quality products with good dimensional accuracy for screws in high processing accuracy.

In addition, as mentioned above, we also handle rubber extruders, so we will utilize that experience to design optimal screws for high-viscosity rubber-like resin extruders, which have been increasing in recent years.

4. Head (mold) In-House Design

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Like the screw, the head (mold) is also designed and manufactured in-house.

By making full use of data such as capillaries and lavender and our many years of experience and expertise, we design the optimum flow path for extruded products such as tubes, coatings, variants, and films.

In addition, we can design and manufacture not only single-layer but also multi-layer extrusion heads.





《Introduction of MITSUBA Plastic Extruders》

1)Fluororesin Extruder

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This is an extruder for fluororesin that uses corrosion resistant material.

Click here for details.









2)High Throughput(Discharge) Extruder

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By devising measures such as using a screw with a shape that suppresses shear heat generation and expanding the screw rotation range used, it is possible to extrude 1.5 to 2 times the throughput amount of the standard machine.

Click here for details.





3)Supercritical Carbon Dioxide Foam Extruder

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It is an extruder that uses carbon dioxide in a supercritical state and requires MITSUBA's original foaming method to miniaturize bubbles.

Click here for details.







4)Vertical Extruder

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Each size with a screw diameter of 25 mm to 65 mm is available.

It has been well accepted as a sub-extruder for skin layers and stripes for the second and third units when multi-layered.










《Application Example of MITSUBA Plastic Etruder》

1)Plastic Five-Layer Extruder

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A multi-layer extruder for automotive, home appliances, building materials, and other sealing materials.

Multi-layer extrusion can be performed by combining various types of resin materials depending on the product application such as color and solid / sponge.




2)Corrugated Tube Line

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Reinforcing pipe production line combined with Corelco corrugator.









3)Electric Wire Covering Line

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This is a line that coats plastic by an extruder that uses a crosshead on conductors such as annealed copper wire and aluminum wire.

We also provide front and rear equipment other than extruders as a system by Mituba own design and manufacturing.







4)Three-Layer Tube Line

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A three-layer tube line combined with an outer diameter sizing water tank.

By combining a tube outer diameter variation due to sizing and an extruder with less discharge variation, it is possible to manufacture tubes and hoses with good outer diameter and wall thickness accuracy for each layer.







5)Garden Hose Line

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A water-based hose and tube manufacturing line represented by a garden (sprinkling) hose with a reinforcing layer made of thread in the middle.

Since we also use Mitsuba own products for spiral machines that wind threads online, we provide them as a line with a system that includes interlocking control.

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