Vacuum Furnace Microwave Oven High Temperature Sintering Furnace
VF series vacuum furnace is widely used for heating treatment of metal materials in low vacuum, recursive, protective atmosphere, also can be used for heating treatment of special materials, such as carbonization process of carbon products. The furnace chamber is ceramic fiber with excellent thermal insulation; Vacuum Reservoir with water cooling system.
1. Product Specification:
Type
QSH-VF-1200T
QSH-VF-1400T
QSH-VF-1700T
Chamber Size
Can be customized
Max temperature
1200℃
1400℃
1700℃
Working temperature
1100℃
1300℃
1600℃
Heating Rate
0~20℃/min
0~20℃/min
0~20℃/min
Temperature accuracy
±1℃
±1℃
±1℃
Heating elements
Fe-Cr-Al-Mo wire
SiC heater
MoSi2 heater
Furnace Chamber
Alumina ceramic fiber board
Furnace Structure
vacuum tank Rotary vane mechanical pump ( Diffusion pump)
Max vacuum
10Pa / 6 x 10-2 / 6 x 10-3
voltage
110-415V 50/60Hz
2. Temperature’s profile for your reference as below.( for example: 6 segments)
3.Heating elements
Working temperature
Product Pictures
Heating elements
Characteristics
W T≤1200C
Fe-Cr-Al-Mo wire
Compared with the ordinary iron chromium aluminum wire resistance, higher temperature and more durable
W T≤1400C
SiC heater
Using high temperature, anti-oxidation, corrosion resistance, long life, small deformation, easy installation and maintenance.
W T≤1750C
MoSi2 heater
Suitable for ultra high temperature heating, long service life, high calorific value and economic price
4. Trouble shooting for typical Problems
Problems
Reason
Solution
Open Power Lock, no power
indication
Fuse (4A) in control panel is broken
Check control panel, and replace
fuse
Green Power indictor is off,
but Red open circuit indicator
is On
Fuse ( 50A) in main power
circuit is broken
Open the cover of front panel
and replace the fuse
No current shows in meter , but
has Max. Voltage
Heating element broken
Find broken heating rod, and
replace it
Controller display panel
SV shows“ OraL”
Thermal Couples broken
Replace Thermal couples ( B type )
Controller display panel
SV shows“ HI AL”
Furnace temperature >
1700C, Protection from Alarm
Cool furnace down, and find
reason why temperature is so high
( program setting may be wrong)
Power and heating element are OK, but furnace can’t be
controlled by program.
Controller or related circuit may be damaged
Heck controller.
Program running, but furnace can not be heated,
or real temperature is far behind the setting value
oPL or oPH value is too low
due to local voltage lower or frenquency different
Incraese “oPL” and “oPH” value till
current meter shows “ 120 A – 140A”, and program runs smoothly
During heating below 300C, the temperature value ( PV) is not stable, and doesn’t match with setting program (SV)
It is normal because the furnace comes with a high temperature thermocouple, which is not sensitive at temperature below 300C
Don’t worry. Let the furnace heat to
300C, then thermocouple will functionstably with program. If the PV valueat 300C is still less than that of SV, youmay need to increase OPL value a little.
6 .Payment Terms:
We accept Payment: L/C.T T
Price terms: FOB China
7. Transport way:
By sea, we have good forwarders, super service and price ! Especially, it is free to ship by
sea sometimes!
8. Other services:
We can make and design furnaces according to your drawings or requirements.
Our engineers will provide you with the most top quality high temperature laboratory furnaces.
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