KY5005melt indexer

I. Overview

thismelt indexerIt is used to determine the melt flow rate of various polymers in a viscous flow state. It is suitable for engineering plastics such as polycarbonate, polyarylsulfone, and plastics with high melting temperatures, as well as for testing materials such as polyethylene, polystyrene, polypropylene, ABS resin, and polyoxymethylene resin with low melting temperatures. It is widely used in plastic production, plastic products, petrochemical industries, as well as relevant universities, research institutions, and inspection departments.

This test method meets the requirements of GB/T 3682-2000 Determination of Mass Flow Rate and Volume Flow Rate of Thermoplastic Melt, ISO 1133:2011, and ASTM D 1238-2010 standards for testing the mass flow rate and volume flow rate of thermoplastic melt. Before use, please read this user manual carefully.

The main body is a desktop structure with reasonable design, stable and reliable performance, beautiful appearance, and easy operation. It adopts high-performance and high-precision control instruments with high sampling accuracy and fast control rate. Fuzzy PID algorithm is used for constant temperature control.

2、 Working principle

The melt flow rate refers to the mass of thermoplastic material passing through a standard die every 10 minutes at a certain temperature and load, expressed as MFR, and the volume passing through the standard die every 10 minutes, expressed as MVR. These values can characterize the viscous flow characteristics of thermoplastic material in the molten state, as described in parts 6 and 7 of GB/T 3682-2000 "Determination of Melt Mass Flow Rate and Melt Volume Flow Rate of Thermoplastic Materials".

公式表示： MFR（θ、mnom）=tref×m/t=600×m/t（g/10min）

In the formula: θ - test temperature

MnOM - nominal load Kg

M - average mass of material segment g

Tref - Reference time (10 minutes): 600 seconds

T - cutting time interval (unit: seconds).

Features of this machine: A has a fast heating speed and minimal overshoot.

B has high temperature control accuracy.

C seasoning can quickly restore a constant temperature state.

This machine has two functions: automatic/manual cutting.

Equipped with a micro thermal printer and LCD display screen.

3、 Main technical parameters

Temperature control range: 50 ℃~400 ℃;

Temperature indication error: ≤± 0.2 ℃;

Temperature fluctuation: ± 0.1 ℃;

Clock accuracy: 0.1s;

Temperature recovery time: ≤ 4 minutes;

Piston displacement indication error: ± 0.01mm;

Constant temperature accuracy: ± 0.5 ℃

Display resolution: 0.1 ℃

Constant temperature time: can work continuously for tens of thousands of hours

Automatic printing output

Dimensions: 320 * 490 * 630mm

Net weight of the host:

Squeezing and discharging part:

Inner diameter of mouth mold: Φ 2.095 ± 0.005 millimeters

Mouth mold length: 8.000 ± 0.025 millimeters

Inner diameter of the material cylinder: Φ 9.550 ± 0.025 millimeters

Piston rod head diameter: 9.475 ± 0.015 millimeters

Piston rod head length: 6.350 ± 0.100 millimeters

Test weight (relative error ≤ 0.5%)

Level 1: 0.325kg (piston rod+weight tray+insulation sleeve+No.1 weight body)

Level 2: 1.200 kg

Level 3: 2.160 kg

Level 4: 3.800 kg

Level 5: 5.000 kg

Level 6: 10.000 kg

Level 7: 12.500 kg

Level 8: 21.600 kg

4、 Working conditions

Environmental temperature: within the range of 10 ℃ to 40 ℃;

Relative humidity of the environment: within 30% -80%;

Power supply voltage: 220 × (1-15%) VAC~220 × (1+10%) VAC, 50Hz, 500W (single-phase three wire system)

In an environment without vibration or corrosive media around; Install and level correctly on a stable foundation; There is no strong magnetic field interference during work, and there is no strong convection in the surrounding air.