We are famous design manufacture company of vacuum equipment in China , and unique professional manufacturer which there are three kinds of technology such as vacuum , pressure, and cryogenic.
Vacuum brazing furnaces for ZRQ-11 and vacuum furnaces of ZRF-11
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Model ZRQ-63-11L is exclusively applied in vacuum brazing of vacuum arc extinguishing parts in electrical industry. It features with following characteristics: reliable structure, advanced design, programmable control, perfect safety protection, uniform temperature distribution, and long life span of heaters.
Model ZRF-120-11W is exclusively applied in vacuum brazing of metal ceramic coat and degassing of metal parts. It can also be applied to high vacuum degassing, vacuum brazing, and vacuum annealing of metal and nonmetal material. It features with following characteristics: practical structure, advanced design, programmable control, perfect safety protection, and high maximum vacuum degree, uniform temperature distribution, and long life span of heaters.
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|
Model |
ZRQ-63-11L |
ZRF-120-11W |
|
Heating power kVA |
63 |
120 |
|
Max. heating temperature (without load) ¡æ |
1500 |
1150 |
|
Operating temperature ¡¡ ¡æ |
860 |
860 |
|
Size of isothermal zone mm |
¦µ600¡Á750H |
610W¡Á610H¡Á910L |
|
Hearth
capacity
kg/cycle |
350 |
350 |
|
Temperature uniformity ¡æ |
¡À4 |
¡À4 |
|
Controlled zone |
3 |
3 |
|
Temperature growth rate (from ambient temperature 1150¡æ ) min |
90 |
90 |
|
Growth rate of vacuum degree (from ambient pressure to1.2¡Á10-2Pa) min |
35 |
45 |
|
Ultimate vacuum degree (without load) Pa |
3¡Á10-5 |
3¡Á10-5 |
|
Operating vacuum level Pa |
3¡Á10-4 |
3¡Á10-4 |
|
Pressure growth rate Pa/h |
0.067 |
0.067 |
|
Cooling methood |
Forced cooling with outer
recirculated inert atmosphere |
Forced cooling with outer
recirculated inert atmosphere |
|
Pressure of cooling rate Pa |
-0.025 |
-0.025 |
|
Cooling
rate with full load |
Within
4 hours from the filling of nitrogen (from 400¡æ
to 50 ¡æ) |
Within
4 hours from the filling of nitrogen (from 400¡æ
to 50 ¡æ) |
|
Inert gas consumption |
2N m3/cycle |
3 N m3/cycle |
|
Gas
supply pressure 0.2MPa |
Gas
supply pressure 0.2MPa |
|
|
High
purity dry nitrogen (99.99%) |
High purity dry nitrogen
(99.99%) |
|
|
Cooling water consumption |
12m3/h, 0.2¡«0.3MPa |
15m3/h, 0.2¡«0.3MPa |
|
Compressed air consumption |
0.1m3/min, 0.6¡«0.8MPa |
0.1m3/min, 0.6¡«0.8MPa |
|
Total power of vacuum furnace kVA |
100 |
160 |