Blog_Wuxi Tengyu Environmental

2024-12

Study Report on Intensive Refining Machine

In the field of polymer materials processing, the internal mixer, as a key piece of equipment, is widely used in the plasticating and mixing processes of rubber and plastic materials. Its efficient mixing performance and controllable process conditions make the internal mixer an important tool for improving the quality and production efficiency of material processing. This article aims to explore the working principle, structural characteristics, operation methods, and applications of internal mixers in polymer materials processing, in order to provide valuable references for researchers and practitioners in related fields.

2024-12-20

Study Report on Intensive Refining Machine

2024-12

Advantages and disadvantages of plastic processing machines

Simple Structure: Many plastic refining machines, especially open-type ones, have a relatively simple overall structure. For example, the open-type plastic refining machine produced by Wuxi Tengyu Environmental Protection Technology Co., Ltd. mainly consists of a base, a connecting seat, and a table top to form a table-type structure. It is also composed of common components such as a transmission system, rollers, roller bearings, a frame, safety devices, electric heating devices, and an electrical control cabinet. This relatively simple structure makes the manufacturing process relatively easy, allowing for better control of the production cycle and cost. It also facilitates troubleshooting and maintenance by companies when equipment malfunctions. For smaller plastic product companies, whose maintenance technicians may have limited professional skills, a simple structure makes it easier for them to perform daily maintenance and simple repairs, ensuring normal production.

2024-12-15

Advantages and disadvantages of plastic processing machines

2024-12

Open mill of plastic machine

Before starting: Operators must wear leather wrist guards, masks, and other protective equipment. Check that all equipment components are functioning properly, such as checking for foreign objects between the large and small gears and rollers, and checking the responsiveness and reliability of the emergency brake. At the same time, inspect the rubber material to avoid hard metal objects entering the rubber mill, which could cause a sudden increase in lateral pressure and damage the equipment. In addition, preheat the rollers according to process requirements and control the temperature rise rate. This is especially important in winter when there is a large temperature difference between the inside and outside. It is recommended to preheat the machine without a load, controlling the temperature rise rate to 1-2℃/min.

2024-12-15

2024-12

Types of plastic processing machines

The working principle of a plasticator is mainly based on shear and rheological theories. Through strong shearing, stirring, and mixing actions applied to the material, the molecular chains between material particles are broken and reorganized, changing the molecular structure and thus achieving the effect of plasticizing and mixing. The following is a detailed introduction to the working process and the functions of key components of internal mixers and open mills:

2024-12-15

2024-12

Tengyu plastic processing machine

Wuxi Tengyu Environmental Protection Technology Co., Ltd. Tengyu plastic refining machines exhibit many excellent performance characteristics and play an important role in various industries. Taking a small plastic refining machine from Wuxi Tengyu Environmental Protection Technology Co., Ltd. as an example, its two rollers are independently driven by a reduction motor, with precise speed control. The rollers use solid chrome-plated mirror KDB material, ensuring reliable quality and a high surface finish for the products. It is equipped with a protective cover automatic shutdown protection device, which is safe and practical. Electric heating or oil heating can be selected according to process requirements, and a temperature controller can also be selected to control the roller surface temperature and distribution. The distance between the two rollers is manually adjustable. In terms of specifications, the mixing capacity is approximately 0.5kg, the roller size is Ф120mm×L350mm, the roller spacing is adjustable from 1-5mm, the roller speed ratio is 1:1.2, and the roller speed is 0-30r/min (single-frequency speed regulation). The motor uses a Taiwan Chengbang reduction motor 0.75 KW × 1, matched with a Delta VFD-M type frequency converter 0.75KW × 1. The transmission device is a heavy-duty hinge transmission with hard-faced gears, ensuring smooth operation and extremely low noise. Safety devices include a reversing door device, a knee-touch emergency stop reverse (standard), and an emergency stop button. The bearings use Japanese NSK bearings. The overall size is approximately (W×D×H): approximately 1400×450×<1450mm>, the power supply is 3∮, AC380V, the total power is approximately 7 KW, and the weight is approximately 400kg. In terms of application range, Tengyu plastic refining machines are suitable for the design of rubber and plastic formulas, mixing and refining of rubber and plastics, mixing and vulcanization reaction of rubber, extrusion molding of common rubber materials, preparation of rubber and plastic sheets, surface treatment of rubber and plastic sheets, and optimization and control of rubber refining process parameters. The plastic refining machine from Wuxi Tengyu Environmental Protection Technology Co., Ltd., is mainly used in the rubber and rubber products, plastics and plastics, polyolefins, PVC, films, profiles production, and polymer blending, pigments, masterbatches, stabilizers, and stabilizers industries. It can test the changes and comparisons of material properties after mixing, such as color dispersibility, light transmittance, surface gloss, and the strength, plasticity, and hardness after adding auxiliary materials. It is suitable for factories to inspect the physical properties of raw materials from suppliers, compare similar products, and for R&D departments in universities and colleges to develop new products. It can also be used as a reference for mass production in factories. In short, Tengyu plastic refining machines, with their excellent performance and wide applicability, have become a powerful equipment choice for many companies and research institutions in the fields of plastic and rubber processing.

2024-12-15

2024-12

Plastic Processing Machine: A Powerful Assistant

Plasticators are important equipment for mixing and plasticizing plastics, and are widely used in plastic processing and other fields. They are mainly divided into open and closed types. Single-screw plasticators, such as those produced by Wuxi Tengyu Environmental Protection Technology Co., Ltd., mainly consist of a base, a connecting seat, and a table top to form a table-top structure. They are composed of a transmission system, rollers, roller bearings, a frame, safety devices, electric heating devices, and an electrical control cabinet, with a numerically controlled temperature detection system. Its roller diameter is 160mm, the roller working surface length is 320mm, the roller speed ratio is 1:1.35, the roller adjustment distance is 0-5mm, the front roller speed is 11.91m/min, the single batch feeding amount is 1-2kg, the motor specifications are 5.5KW, 960r/min, the external dimensions are 1550×900×1250mm, the heating (electric heating) range is room temperature to 200 degrees, the front and rear rollers have digital display temperature control, the heating power is 3.3KW, and the total weight is 1T. Single-screw plasticators are often used in rubber factories and research unit laboratories for raw rubber plasticizing, mixing of rubber materials and compounding agents, heat treatment of mixed rubber, and pressing of sample tablets, and can also be used for plastic mixing tests. Its structure is relatively simple, easy to manufacture, and operation and maintenance disassembly are convenient, so it is widely used in plastic product enterprises. However, it also has some shortcomings, such as high physical exertion for workers, manual mixing and turning of the mixed material is required in high-temperature environments, and the number of times of manual turning of the plastic sheet significantly affects the quality of the raw material mixing. Closed plasticators, also known as internal mixers, mainly consist of a closed mixing chamber (also known as a plasticizing chamber), with a feeding device at the top and a discharging device at the bottom, and top plugs at both ends. When the top plugs are closed, a closed plasticizing chamber is formed. Inside the plasticizing chamber, there is a pair of counter-rotating rotors. The cross-section of the rotors is pear-shaped, and the longitudinal section is Z-shaped. The rotor speeds are slightly different, and there is a fixed speed ratio between the rotors and between the rotors and the inner wall of the plasticizing chamber. The outer wall of the plasticizing chamber is also equipped with a cooling (heating) jacket for heating and cooling the material. During operation, the upper top plug is first lifted, and the material is added from the feeding port. Then, the upper top plug is pressed down by air pressure to press the material into the mixing chamber, and the material is kept pressed during the operation, applying a certain force to the material. After mixing, the lower top plug is opened, and the material is discharged from the discharge port. The material plasticized by the internal mixer is a viscous lump when discharged, and usually needs to be rolled into sheets by an open mill and cooled before further processing. The advantages of internal mixers are that they have minimal risk of dust and smoke dispersion, high degree of automation, safe operation, good mixing effect, and high production efficiency. Different types of plasticators have different characteristics in structure and function. Enterprises will choose the appropriate type of plasticator according to their own production needs and process requirements to ensure the smooth progress of plastic processing and related production processes and product quality.

2024-12-15

Plastic Processing Machine: A Powerful Assistant

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