Horizontal Vacuum Annealing Furnace

Vacuum Annealing Furnace

Description:
This furnace is mainly for annealing different kind of wound CRGO cores for transformers, to release inner stress and decrease iron loss.

Advantages:
-This furnace is horizontal and rectangular type, equipped with front-load trolley, convenient for loading & unloading workpieces, avoiding trolley interfering heating elements;
- Heating elements located more reasonable; heating temperature inside is more equal; rectangular furnace decreases idle space, saves evacuating duration, decreases nitrogen consumption.
- Equipped with heating uniform-temperature fan, cut down relative processing time and increase productivity.
- Heating element is made from nickel chromium alloy, longer life
- Equipped with PID temperature control instruments, very good temperature uniform inside the furnace, good for annealing result.
- The whole annealing progress is control by PLC, full automatic; Equipped with industrial computer, progress and cycle curve can be displayed, process data can be saved or printed.
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Specifications:

No.	Item	Data
1	Inside effective size (L x W x H)	2200 x 1000 x 1100
2	Max. load capacity	about 5T
3	Max. heating temperature	950ºC
4	Working temperature	780~820ºC
5	Heating power	120kW
6	Temperature control method	PLC
7	Temperature control precision	±2ºC
8	Temperature evenness inside	±5ºC (in the later stage of temperature keeping)
9	Furnace surface temperature rise	35ºC+ ambient temperature
10	Cooling fan motor power	7.5kW
11	Ultimate vacuity	20Pa
12	Working vacuity	400Pa
13	Vacuuming speed	≤30min (from atmosphere to vacuity 300~900Pa
14	Vacuum leakage speed	50Pa/h
15	Cooling water consumption	10~12t/h (water pressure 0.4MPa)