Horizontal Single Chamber Vacuum Annealing Furnace

Description
Horizontal vacuum annealing furnace is applied for bright annealing of materials like tool steel, die steel, high speed steel, ultra-strength steel, magnetic material, stainless steel, non-ferrous, etc.

Technical Features
1. The vacuum single chamber annealing furnace is horizontal, single chamber, bottom loading structure. The way of opening door is optional according to customer’s requirement.
2. Excellent temperature uniformity realized by octagon-shaped furnace hearth.
3. Full metal insulation screen adopts rear insulation technology.
4. Heating under vacuum, Ar or H₂.

Optional Configuration of Horizontal Vacuum Annealing Furnace
1.Furnace door type: on-line; off-line; vertical up and down; rotating
2.Furnace hearth: graphite heating elements and graphite felt heat insulation; molybdenum heating elements and all-metal heat insulation
3.Vacuum pump unit and vacuum gauge: abroad brand; high-quality Chinese brand
4.Vacuum degree: high vacuum; medium vacuum
5.PLC: OMRON; Siemens; Mitsubishi
6.Temperature controller: SHIMADEN; EUROTHERM; Honeywell
7.Thermocouple: type K; type N; type S
8.Recorder: paperless recorder; paper recorder
9.HMI: Simulation screen; touchscreen with industrial computer
10.Electric components: high-quality domestic brand; Schneider; Siemens

Specifications of Horizontal Vacuum Annealing Furnace

Parameter\Model	HVA-335S	HVA-446S		HVA-557S	HVA-669S	HVA-7711S	HVA-8812S	HVA-9915S
Effective hot zone size W×H×L (mm)	300 × 300 × 500		400 × 400 × 600	500 × 500 × 700	600 × 600 × 900	700 × 700 × 1100	800 × 800 × 1200	900 × 900 × 1500
Loading capacity (kg)	75		250	400	600	1000	1200	1500
Heating power (kW)	48		75	90	150	270	360	480
Max. temperature (°C)	1350/1700/2300		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	±5
Vacuum degree (Pa)	4 × 10-1		4 × 10-1	4 × 10-1	4 × 10-1	4 × 10-1	4 × 10-1	4 × 10-1
	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	4 × 10-3/6 × 10-4
Pressure increasing rate (Pa/h)	≤0.26		≤0.26	≤0.26	≤0.26	≤0.26	≤0.26	≤0.26
	≤0.65		≤0.65	≤0.65	≤0.65	≤0.65	≤0.65	≤0.65
Gas cooling pressure (bar)	2		2	2	2	2	2	2