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Vacuum Aging Furnace

Application
It is used for vacuum aging and re-crystallize annealing after solid solution of tool steel, die steel, high speed steel, super high strength steel, stainless steel, high temperature alloy Ti alloy and etc.

Technical Features
1. Horizontal, single chamber, loading horizontally. The way of opening door is optional according to customer’s requirement.
1.All metal hot zone, good temperature uniformity.
2.Aging at high vacuum, the part is bright and without color change.
3.The fast cooling system composed of inner heat exchanger and gas cooling circulation can effectively prevents components from tempering brittleness.
4.It has convection heating device, which can ensure the temperature uniformity at the state of low temperature.
5.It has rapid cooling using copper fin heat exchanger and blower, optional of internal circulation and external circulation.

Configuration Options
1. Furnace door type: On-line; Off-line; Vertical up and down; Rotating
2. Vacuum pump unit and vacuum gauge: Abroad brand; high-quality Chinese brand
3. PLC: OMRON; Siemens; Mitsubishi
4. Temperature controller: SHIMADEN; EUROTHERM; Honeywell
5. Thermocouple: Type K; Type N; Type S
6. Recorder: Paperless recorder; Paper recorder
7. HMI: Simulation screen; Touchscreen with industrial computer
8. Electric components: High-quality Chinese brand; Schneider; Siemens

Main Specifications
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) 30 45 75 100 150 180 240
Max. temperature (°C) 1300 1300 1300 1300 1300 1300 1300
Temperature uniformity (°C) ±5 ±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 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
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