Vertical Bottom Loading Vacuum Brazing Furnace

Description
Vacuum bottom loading furnace is used for vacuum brazing of materials like non-ferrous metal, stainless steel, titanium alloy, high temperature alloy.

Specifications of Vacuum Bottom Loading Furnace

Parameter/ Model	VHVB-0608S	VHVB-0808S	VHVB -1010S	VHVB -1212S	VHVB -1215S	VHVB -1520S
Effective hot zone size D×H (mm)	Φ600×800	Φ800×800	Φ1000×1000	Φ1200×1200	Φ1200×1500	Φ1500×2000
Loading capacity (kg)	650	850	1000	1500	1450	1800
Heating Power (kW)	120	180	270	330	420	540
Max. temperature (°C)	1350/1700/2300	1350/1700/2300	1350/1700/2300	1350/1700/2300	1350/1700/2300	1350/1700/2300
Temperature Uniformity (°C)	±5	±5	±5	±5	±5	±5
Vacuum degree (Pa)	4×10⁻³/6×10⁻⁴	4×10⁻³/6×10⁻⁴	4×10⁻³/6×10⁻⁴	4×10⁻³/6×10⁻⁴	4×10⁻³/6×10⁻⁴	4×10⁻³/6×10⁻⁴
Pressure Increasing Rate (Pa/h)	≤0.26	≤0.26	≤0.26	≤0.26	≤0.26	≤0.26
	≤0.65	≤0.65	≤0.65	≤0.65	≤0.65	≤0.65
Gas cooling pressure (bar)	2/6/10	2/6/10	2/6/10	2/6/10	2/6/10	2/6/10

The above parameters can be adjusted according to the process requirements and are not used as the basis for acceptance. The specific technical scheme and agreement shall prevail.

Technical Features
1. ACME has national defense special welding laboratory, we can provide brazing material and process.
2. The furnace hearth is designed through modularized optimization with good temperature uniformity performance.
3. The lifting structure has function of eliminating the cumulative errors of lifting system automatically, the movements are of high stability and no vibration.
4. The vacuum system inlet is configured with gas condensate phase inversion device and filter collection device, preventing welding flux vapor polluting vacuum system.
5. Unique gauge anti-pollution technology guarantees the long service life of the vacuum gauge.
6. Unique rear insulation has large radiation area and better insulation performance.

Optional Configuration of Vacuum Bottom Loading Furnace
1. Bottom loading type: vertical door can move horizontally, horizontally fixed
2. Vertical movement: screw moving/nut moving
3. Furnace hearth: Graphite heating elements and graphite felt heat insulation/Molybdenum heating element and metal heat insulation
4. Vacuum pump and gauge: Foreign brand/high-quality Chinese brand
5. PLC: OMRON/Siemens/Mitsubishi
6. Thermocouple: S type, K type, N type
7. Temperature controller: SHIMADEN/EUROTHERM/Honeywell
8. Recorder: Paperless recorder/paper recorder
9. HMI: Simulation screen/Touch screen
10. Electric components: Schneider/Siemen