1. Double-layer steel structure;
2. High purity Al2O3 fiber refractory insulation material, maximum energy saving;
3. High purity alumina coating on refractory ceramics can extend the service life;
4. Aluminum Oxide plug helps you create a custom temperature gradient in the tube.

Model

NBD-CMT1200-60TI

NBD-CMT1200-80TI

NBD-CMT1200-60TI+

NBD-CMT1200-80TI+

Electrical Spec

AC220V  2.5KW

AC220V   4KW

Tmax

1200 ℃

Max working temps.

1100 ℃

Heating rate

≤  20 ℃/min

Heating length

200mm

400mm

Tube size

Φ60*1000mm

Φ80*1000mm

Φ60*1400mm

Φ80*1400mm

Temperature field distribution

As shown in the figure: This is the temperature zone diagram of the equipment.

Control system

1. 15 temperature curves can be pre-stored to avoid the trouble caused by repeated setting of different experimental processes;
2. The experiment process is more intuitive and the operation is more convenient;
3.NBD-101E embedded operating system Chinese and English interchangeable graphical interface, 7 inch true color touch screen input, intelligent man-machine dialogue mode, non-linear pattern temperature correction;
4. It has the functions of overtemperature alarm, broken couple prompt, leakage protection and so on.

Temp Accuracy

+/- 1 ℃

Heating element

Mo-doped Fe-Cr-Al alloy

Sealing system

Vacuum degree: ≤10Pa (mechanical pump)

Pressure measurement & monitoring

Mechanical pressure gauge with damping oil can prevent damage to the gauge pointer.

Gas supply system

Float flowmeter control, integration with equipment, convenient control, leakage test has been carried out before leaving the factory.

Net weight

40KG

50KG

Cautions

1. After the sample is placed, put in the heat insulation plug and select the pressure reducer with low output pressure, as shown in the figure below:
2. The pressure reducer is adjusted to the relative pressure ≦0.05Mpa. Open the intake valve and observe the absolute pressure gauge at the intake end
When the internal absolute pressure is greater than or equal to 0.1Mpa, open the exhaust valve completely. Adjust the flow, observe bubbles, and protect the atmosphere normally
Below, 5~60 bubbles /min is appropriate;
3. During the sintering process, pay attention to observe whether there are bubbles at the exhaust end, if there are no bubbles:
a) The exhaust terminal is blocked due to pollution; (furnace shutdown cleaning) b) gas source loss; (Replace the gas cylinder)
Note: When the exhaust end is blocked, the furnace should be stopped and cleaned in time to prevent the furnace tube from being damaged;
4. When using high purity quartz furnace tube at high temperature, the absolute pressure range in the furnace tube should be controlled from 0.05Mpa to 0.15Mpa.
So as not to cause furnace tube damage! (Note: If the corundum furnace tube is replaced, rapid rise and drop temperature sintering is prohibited)!
5. Normal sintering: the material is placed at point A, temperature rise, constant temperature and cooling curve are set, the equipment is started, the furnace chamber moves to point A to start sintering, after sintering is finished, the “END” signal is read, and the furnace chamber returns to point B to realize normal sintering of the material;
6. Rapid cooling: the material is placed at point A, the temperature is set, the constant temperature curve is set, the equipment is started, the furnace chamber moves to point A to start sintering, the constant temperature sintering is completed, the “END” signal is read, and the furnace chamber returns to point B to achieve rapid cooling of the material;
7. Rapid temperature rise: Put the material at point B, set the temperature rise, constant temperature and cooling curve, start the equipment, the furnace chamber moves to point A to start sintering, to the constant temperature section, manually move the furnace chamber to point B, to realize the rapid temperature rise and sintering of the material, to the end of the program;
8. Alkali metal ions K, Na, Li, Ca, Mg, etc. will cause crystallization damage to quartz furnace tube at high temperature;
9. The display temperature can be checked with the actual temperature of the material sintering point at an interval of one year, and the universal handheld thermometer (purchased separately) can be extended into the temperature measuring port to the pattern position for real-time online check.

Service

1 year warranty with lifetime support (The warranty does not include consumable parts, such as furnace tubes and O-rings).