Torque Rheometer

Effective screw length: 276mm
Verification.
Twin-screw extruder units are mainly used for filling, modification, reinforcement, devolatilization of chlorinated polypropylene and superabsorbent resins
in rubber and plastic and engineering resins; extrusion of degradable masterbatch, polyamide polycondensation, polyurethane polyaddition reaction, pelletizing of carbon powder and magnetic powder, insulation materials for cables
Hex key set 1 set Market procurement
This equipment is equipped with screws of different parameters, rotating in a cylinder at a certain temperature, with a feed hopper at the other end of the cylinder. When raw materials are fed into the cylinder
Teaching and research applications
, the viscosity of the material is calculated.
3 50.8 40
Heating zones: 5 channels
The platform can perform multi-component thermoplastic material thermal fusion testing, thermosetting material curing performance testing, thermal stability testing, shear
Cylindrical die (optional): Inner diameter: Ф5, Outer diameter: Ф10
Data acquisition module 1 set Japan
Torque measurement accuracy: 0.1% F.S
1－Pressure rod; 2－Feed inlet; 3－Mixing chamber; 4－Leakage; 5－Internal mixer; 6－Emergency stop switch;
Computer Mouse, keyboard, data interface 1 unit Brand computer
Temperature sensor: K-type thermocouple
Parallel counter-rotating twin-screw extruder (optional, price negotiable)
Figure 6 Various types of screws
Main configuration
Impact of speed on the processing performance of the system, etc.
Made of SUS304 stainless steel.
Formed into masterbatch or injected into molds for shaping, while the equipment also measures the relationship between the apparent viscosity of the material and shear rate and shear stress.
(φ1, φ2, and other specifications are optional, price negotiable)
Graphic display: Speed, torque, temperature, pressure
The machine has an aesthetically pleasing overall design, with the main sheet metal in an ivory and blue color scheme, and can also be customized to user requirements. Stainless steel parts
Power output speed: 0 ~ 150 rpm
L:D: 25:1
Composed of operating software and other parts.
Continuous, accurate, and reliable measurement of the rheological properties of the system during processing, and can also complete curing characteristic testing of thermosetting materials.
, Sheathing materials, low-smoke low-halogen flame-retardant PVC cable materials, and various silane cross-linked materials preparation, etc.
When the material reaches about 2/3 of the cylinder, it gradually plasticizes, enters the remaining part of the cylinder for homogenization, and once all particles are melted, it can be extruded through a capillary die
Internal mixing:
Die specification: 60×1.5mm
Heating method: Electric heating
Figure 3 Various rotors
Temperature control module Room temperature ~ 350°C 1 set Self-produced
Melt pressure measurement accuracy: 0.5% F.S
2 38.1 30
Adjustable wrench 1 piece Market procurement
BZJ-500 Torque Rheometer Overview Product Features
Reducer: 1:20 Imported
Heater: Heating tube
An important instrument for research and guiding production. Compared to general instruments for studying material flowability—viscometers, this rheometer provides a method closer to
Screwdriver 1 piece Market procurement
Temperature control accuracy: ±1°C
Voltage: AC380V 7.5kW
Speed ratio: 3:2
Internal mixing mainly consists of an imported servo motor, high-precision dynamic torque sensor, gearbox, mixing chamber, temperature module, measurement module, computer
Extrusion capillary rheometer can also be used as an instrument for production process testing, by replacing different types of dies, conducting experiments with a small amount of material
Static measurement accuracy: 0.1°C
Temperature sensor: K-type thermocouple
Rubber and plastic materials almost always involve flowability during processing and molding. For example, in processes such as extrusion, injection molding, film blowing, calendering, etc.
Characteristic testing.
Schematic diagram
. For example, molecular orientation greatly affects the mechanical properties of molded products, films, and fibers. The type and degree of molecular orientation are mainly
Temperature: 400°C
Screw compression ratio: 2.5:1
, the flow behavior of the material is very important. The flowability of the material not only affects processing behavior but also the mechanical properties of the final product
Twin-screw L/D = 40/1 1 unit Self-produced
Capillary die: φ1.27 Aspect ratio 20:1, 30:1, 40:1, one each
Computer software has data acquisition, storage, calculation, analysis, and output functions, and can print test reports according to user requirements.
Dynamic measurement method similar to actual processing, allowing continuous, accurate, and reliable measurement of material rheological properties under conditions similar to actual processing.
Application range Can be used to study the thermal stability, shear stability, flow, and plasticization behavior of thermoplastic materials, with the characteristic of being able to operate under conditions similar to actual
Main technical characteristics and configuration Can be used to study the thermal stability, shear stability, flow, and plasticization behavior of thermoplastic materials, with the characteristic of
Heating method: Electric heating
1 1.27 25.4 20 Standard
7－Manual panel; 8－Drive and torque sensor; 9－Switch; 10－Computer
Cross-linking, thermosetting resin curing performance research
Application areas UPVC processing performance research and material development
Cleaning tools 2 sets Self-produced
Total heating power: 1700W
Capillary specifications:
Sensitivity testing, material experiments, etc.
Temperature sensor: K-type thermocouple
Torque: 250 Nm
Determined by the characteristics of the flow field during processing and the flow behavior of the material.
Servo motor and driver 3.0kW 1 unit Japan Panasonic
System composition Computer control, extrusion capillary rheometer, capillary test die, data acquisition measurement system, electronic computer, operating
.
No. Composition Model Quantity Manufacturer
5 45 30
Total heating power: 4200W
Capacity: 60ml
Total heating power: 2500W
Ideal equipment for studying the flow and deformation, plasticization, thermal shear stability, dynamic rheological properties, and plasticization behavior of polymer materials, and representing the results with torque--time
and torque--temperature, etc., in graphical form. It can be widely used in research and production, and is an important instrument for scientific research and
Measurement, such as cross-linking and curing of multi-component thermosetting resins, vulcanization of elastomers, dynamic stability of materials, and screw rotation
Temperature control: 5 temperature measurement channels, 4 of which are control channels
High-precision melt pressure sensor 0～100MPa 1 unit Shanghai
Software: Control software, polymer melt viscosity measurement data processing software, extruder data processing software, data processing software
Melt pressure measurement range: 0.1 ~ 100 MPa
The extruder can select different types of screws based on material characteristics. Different screw compression ratios significantly affect the experimental performance of the material.
Rotor type: Roller
Torque measurement range: 0 ~ 250 Nm
Main unit HZJ-300A 1 unit
Composed of counter-rotating rotors. During operation, the rotors rotate toward each other, applying shear to the material, causing the material to
Speed control accuracy: 0.05% F.S
Module, temperature module, pressure sensor, electronic computer, and control software. The principle is that via screw rotation, the material is driven through
Internal mixer 60mL 1 unit Self-produced
Effective barrel length: 276mm
Machine dimensions (L×W×H): 1600×450×1300 (mm)
Screw type: Parallel counter-rotating twin-screw
Heating zones: 3 channels
30/1, 40/1, etc.), through comparative tests with dies of different aspect ratios (other conditions unchanged, such as temperature), different pressure values are obtained
6 60 40
The two rotors have different speeds, causing dispersion in the gap between them.
Can continuously, accurately, and reliably measure the rheological properties of the system under conditions similar to actual processing, and can also complete curing of thermosetting materials
High-precision torque sensor 300 Nm 1 unit Joint venture
Screw diameter: φ20mm
The closed chamber is equivalent to a small internal mixer, consisting of a detachable "∞"-shaped chamber and a pair of rotors rotating at different speeds, counter
8 60 30
Torque rheometer
Temperature range: Room temperature ~ 350°C
Actual production processing, during which by controlling extrusion speed, melt temperature, formulation ratio, and other means, the production process is optimized
Rotor treatment: After high-precision polishing, surface chrome-plated
The core part of the extrusion capillary rheometer is a set of precision capillaries with different aspect ratios (usually L/D = 10/1, 20/1,
Motor driver 3.0 kW
Extruded through the die, during which the shear rate and shear pressure of the material are measured, and the viscosity of the material at the specified temperature is computed. At the same time,
Temperature control accuracy: ±0.5% F.S
Material: 304L
4 1.5 30 20 Optional
Development and processing performance research of thermoplastic materials
Screw diameter: 42 mm
Motor power: Japan Panasonic 3.0kW servo motor
Printer Inkjet printer 1 unit HP
, Control software, and other components. The principle is shown in Figure 2:
Temperature: 350°C
7 2.0 40 20 Optional
Extrusion capillary rheometer: The extrusion capillary rheometer mainly consists of an imported servo motor, reducer, extrusion screw, die, control module
Plastic single-screw extruder (material 38CrMOALA) (optional, price negotiable)
Software package Test software (compatible with Win 7, 10) 2 sets
Motor speed: 3000 rpm
No. Diameter D (mm) Capillary length L (mm) Aspect ratio L/D Remarks
High-precision reducer 1:20 1 unit Imported
Impact. Screws can be easily interchanged to support rapid testing of different materials.
Structural features and working principle