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HOME > Product Information > Rubber extruder > Vertical Silicone Rubber Vulcanization Line

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Vertical Silicone Rubber Vulcanization Line

In recent years, silicone rubber material have been evaluated for their properties such as odorlessness, heat resistance, cold resistance, and flexibility, which are unlikely to cause chemical reactions with other substances other than those used for conventional industrial products. It is used in products in various fields such as electronic components, food, and medical.

Mitsuba Mfg Co. Ltd. has a silicone rubber vulcanization line that can continuously produce tubes and profile products used in these fields from extrusion to vulcanization according to the size and shape of the product.

We have two types of manufacturing equipment: a horizontal silicone rubber vulcanization line (horizontal extrusion) and vertical silicone rubber vulcanization line (upward extrusion).

This page introduces the vertical silicone rubber vulcanization line.

Click here for the horizontal silicone rubber vulcanization line.

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        Vertical silicone rubber vulcanization line

【Features】

①As the work extruded upward is vulcanized without contact.

 There are no marks on the belt or guide roll.

②Since vulcanization is performed with the shape extruded from the head, crushing and deformation due to the product's own weight

    are minimized.

【Suitable product】

①Thin-walled products that may be crushed or deformed due to their own weight.

② Deformed product with uneven 凹凸on the work surface.

③ Tube with strict roundness.

Features

《Typical example of equipment configuration

                of vertical silicone rubber vulcanization line 》

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1.Silicone Rubber Extruder

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①With a rich Line-up of screw sizes from 20㎜~120㎜,you

    can choose according to your production conditions.

    Vent type is also available for each size of 30 mm or

    more.

②Multi-layer extrusion such as two-layer or three-layer is

    also available.

③If the silica content is high, various wear-resistant

    materials can be selected for the screws and cylinders.

④We have taken measures against coloring by metal touch.

⑤For silicone rubber, which has a fast cross-linking reaction, we also

    have a screw shape for low-temperature extrusion that suppresses

    shear heat generation in the cylinder.

Click here for the features of the silicone rubber extruder.

2.Material Supply Equipment

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Immediately before extrusion, the customer can automatically supply the ribbon with the optimum width to the extruder simply by putting the vulcanizing material in an open roll or pressure kneader and putting it in as a B-kneaded mass.

By hand, the material can be cut into strips, and workers do not have to stand to the slot, which leads to labor saving.





3.Vertical vulcanizer

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①By using a far-infrared heater with an atmospheric temperature of

    500℃ in the furnace, the surface is hardened near the inlet side

    (lower side) of the vulcanizer to minimize product breakage and

    elongation.

②As a measure against temperature unevenness around the entire

    circumference of the work, a cylindrical heater is used to keep the

    distance between the work and the heater constant.

    A mechanism (patented) that adjusts the position of the upper cluster

    roller is provided to prevent misalignment due to the difference in

    diameter.

③ By using a cluster roller type take-up mechanism, it absorbs the elongation due to expansion during

     vulcanization and foaming.

④Safety measures

     As a fire countermeasure, a nitrogen gas generator (option) can be installed in the furnace.

4.Ancillary equipment

We have prepared ancillary equipment to meet various requirements, such as a winding machine for drums for long products and a cutting machine for cutting short products to a fixed size, according to the next process and shipping form of the vulcanized product.

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Double winder

Each size is available according to the drum used.





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Hall-off Cutting Machine

It automatically halls off, disconnects, and takes out.
There is little error in length and the cross section can be cut smoothly.




5.Control and Operation

For control and operation, we design and manufacture both hardware and software in-house according to the movement of each device from the mechanical design stage so as to meet the customer's usage and requirements.

We are also working on IoT, including automation and safety measures, so please tell us your company requirement.

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