Overview

The small extruder is an extrusion device with a relatively small volume, suitable for small-batch production or experimental research. The following is a related introduction:

Features

 Small footprint: Compact size, such as a desktop extruder, does not require too much space, and is easy to place in laboratories, small workshops and other places.

 Easy operation: The control system is simple, and the small control system is easy to operate, which is easy for employees to use and reduces the difficulty of operation.

 High flexibility: The mold and screw and other components can be quickly replaced, and can be quickly adjusted to meet the production needs of different materials and products, suitable for small batch and multi-variety production.

 Low energy consumption: The motor power is relatively small, and the energy consumption is low, which reduces the operating cost while meeting the production needs.

 Affordable price: Compared with large extruders, the manufacturing cost is low, and the equipment price is more affordable, which is suitable for enterprises or scientific research institutions with limited budgets.

Application field

- Scientific research and teaching: In the laboratories of colleges and universities and scientific research institutions, it is used for new material formula research and development, process research, student practical teaching, etc., to help researchers observe and analyze the extrusion process, and provide data support and technical reserves for large-scale production.

- Small-scale production: small enterprises or workshops are used to produce small batches of plastic products, such as small pipes, wires, profiles, accessories, etc., to meet the personalized and customized market needs. In the pet food industry, small meat strips and other pet foods can be produced.

- Sample production: provide sample production services for product development and design, quickly produce product samples for testing, display and evaluation, and shorten the product development cycle.

Common types

- Small single-screw extruder: simple structure, low cost, suitable for extrusion of materials with low mixing requirements, such as simple plastic pipes and wire production.

- Small twin-screw extruder: has good mixing, exhaust and conveying performance, can better handle the blending and modification of multiple materials, and is often used for the modification and granulation of polymer materials.

- Small rubber extruder: designed according to the characteristics of rubber materials, used for the production of rubber products, such as rubber sealing strips, hoses, etc.

The difference between single-screw extruder and twin-screw extruder in working principle:

- Single-screw extruder: mainly relies on the friction between the screw surface and the material, and the inner wall of the barrel and the material to achieve conveying. In the solid conveying section, it is friction drag, and in the melt conveying section, it is viscous drag. The friction performance and viscosity of the material have a greater impact on the conveying.

- Twin-screw extruder: Especially the meshing twin-screw extruder, the material conveying is closer to positive displacement conveying. The two screws mesh with each other, and the material is forced forward in the gap between the screws and the screw groove.

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