HLB-400A capillary rheometer

1、 Scope of application:
1. Used to determine the shear rate of plastics and polymer materials, and to measure the flowability of melts under shear stress under certain temperature conditions, including the apparent viscosity of thermoplastic and thermosetting materials.
2. This rheometer is a computer-controlled intelligent capillary rheometer that can operate under constant pressure, constant speed, constant temperature, different heating rates, different temperatures, different shear rates, etc. It can automatically measure the pressure, temperature, speed and other detection parameters of different plastics in different mold environments through software. The software automatically draws curves and saves and prints data.
3. We can customize different specifications of machine models (low temperature type, high temperature type, different pressures, different rod diameters, etc.) according to user requirements. This model has a low voltage, single head, and single housing structure;
2、 Characteristics:
1. High data collection frequency (greater than 2, can achieve the superposition of multiple data curves; coordinate display of multiple curve forms.
2. Can achieve the superposition of multiple data curves; Display coordinates in various curved forms.
3. The load loading device of the instrument is designed reasonably, using high-precision pressure sensors for data acquisition, eliminating the traditional load sensor acquisition; Dual closed loop of software and hardware, achieving stepless adjustment of speed and loading force; Manual and automatic loading control can be used, which is convenient, fast, and accurate. Inductive manual displacement adjustment;
4. Regarding the coordinate axes of shear viscosity and shear rate curves: During the experiment, the coordinate axis is the normal coordinate axis. If you want to view the log coordinate axis image after the laboratory is over, you can directly adjust it with the mouse to bring up the log coordinate axis. This way, you can observe the image in two ways, and the lowest point of the coordinate axis is set with the mouse after the experiment is over.
5. The whole machine adopts a single column swing head desktop structure, and the main machine head can rotate flexibly, which is convenient for cleaning the material chamber. The appearance is more beautiful, the stability is stronger, the cleaning is convenient, and it is easier to transport and install.
6. Scalability: This instrument can be expanded into a wire drawing instrument without replacing the host
3、 System composition
The system structure design adopts a single column swing head desktop design to ensure structural strength and easy cleaning. The transmission structure adopts Taiwanese brand precision ball screws to achieve the transmission of kinetic energy, and the speed control system adopts AC servo system to achieve precise control of displacement and pressure. The heating unit adopts a spiral heating wire for overall heating, and the overall temperature of the material cylinder is uniform. The high-tech measurement and control system and software interface are simple and intuitive, allowing for the setting of testing modes and related operating parameters, and real-time display of relevant curves and calculation results
4、 Experimental project.
1. Constant speed shear test: capable of measuring shear stress and shear rate curves, as well as shear viscosity and shear rate curves
2. Constant pressure shear test: capable of measuring shear viscosity and shear rate curves
3. Ladder shear rate test: Different shear rates can be set according to user requirements, and shear stress and shear rate curves, as well as shear viscosity and shear rate curves, can be measured. During the experiment, the melt fracture situation and the minimum flow pressure and shear rate of the melt can be determined based on the changes in the curves.
a) Flow/non flow test: measures the relationship between viscosity and temperature, and can accurately determine the minimum flow temperature
b) Melt rupture and flow instability, studying flow instability phenomena, including melt rupture and melt fracture.
5、 Main technical parameters and accuracy:
1. Temperature range: Room temperature~400 ℃
2. Heating rate: 1-10 ℃/min, continuously adjustable, and capable of rapid heating
3. Temperature measurement display accuracy: 0.1 ℃
4. Pressure range: 1-50MPa ± 0.5%
5. Maximum driving force: 5KN
6. Pressure measurement accuracy: ± 0.5% FS
7. Pressure resolution: 0.1Mpa
8. Speed range: 0.01-500mm/min
9. Deformation measurement accuracy: ± 0.5% FS
10. Plug diameter: φ 12 mm
11. Plug area: 113.04mm2
12. Discharge port mold specifications: Ø 1 × 5, Ø 1 × 10, Ø 1 × 20, Ø 1 × 40 (mm × mm) (customizable according to user requirements, price negotiable)
13. Material of discharge port mold: tungsten carbide
14. Power supply: 220V, 50Hz, power<1000W
15. Dimensions: 530 × 640 × 1200mm HLB-400A Capillary Rheometer HLB-400A Plastic Capillary Rheometer