Home - Products - Vacuum Furnace - Vacuum Hot Press Furnace for High-Temperature Material Processing
The KS-VF-HP200 vacuum hot press furnace is designed for high-temperature hot pressing and sintering processes under vacuum or controlled inert atmosphere. It integrates induction heating, precise temperature control, and a unidirectional hydraulic pressing system to provide stable pressure and displacement control during operation.
Technical Parameters
Vacuum Hot Press Furnace
The KS-VF-HP200 vacuum hot press furnace is designed for high-temperature hot pressing and sintering processes under vacuum or controlled inert atmosphere. It integrates induction heating, precise temperature control, and a unidirectional hydraulic pressing system to provide stable pressure and displacement control during operation. With programmable heating and pressing profiles, comprehensive safety protections, and real-time process monitoring, the system is well suited for advanced material processing and research applications.
Technical Parameters:
| Parameter | Specification |
|---|---|
| Model | KS-VF-HP200 |
| Furnace Type | Vacuum Hot Press Furnace |
| Application | High-temperature crystal pressing, powder sintering, hot pressing, tungsten mold processing |
| Working Atmosphere | Vacuum, Argon or high-purity Nitrogen |
| Maximum Working Temperature | 2100 °C |
| Maximum Temperature | 2200 °C |
| Heating Method | Induction heating (IGBT medium-frequency induction) |
| Mold Heating | Direct mold heating |
| Coil Inner Diameter | Ø350 mm × H250 mm |
| Maximum Working Volume | 1.8 L |
| Unloading Method | Vertical unloading or side unloading |
| Maximum Loading Weight | < 100 kg |
| Working Voltage | 380 VAC, 50/60 Hz, three-phase |
| Cooling Method | Air cooling (fan cooling) |
| Protection Functions | Water pressure monitoring, over-temperature protection, overpower protection |
| Ultimate Vacuum Level (Cold, Empty Chamber) | ≤ 1 Pa |
| Pressure Rise Rate (Cold, Empty Chamber) | ≤ 6 Pa/h |
| Pumping Speed | 150 L/s |
| Heating Rate (RT → 1000 °C) | > 15 °C/min |
| Heating Rate (1000 → 2000 °C) | > 10 °C/min |
| Temperature Control Accuracy | < ±10 °C |
| Temperature Control Program | 16 steps × 4-stage temperature profile |
| Continuous Working Temperature | 2000 °C |
| Temperature Uniformity | ≤ ±5 °C after 60 min soaking (empty chamber) |
| Maximum Heating Rate | Up to 50 °C/min |
| Temperature Measurement | W-Re 5/26 thermocouple (0–1800 °C); non-contact IR pyrometer above 800 °C |
| Temperature Control Method | PID programmable controller |
| Temperature Control Precision | ±1 °C |
| Programmable Temperature Segments | 64 programmable segments |
| Maximum Pressing Force | Ton-level pressure capacity |
| Pressure Stability | Pressure fluctuation < 0.05 MPa |
| Pressing Mechanism | Unidirectional hydraulic pressing system |
| Pressure Control Mode | Automatic pressure control with manual override |
| Pressure Feedback | Digital force feedback |
| Press Head Material | High-purity graphite |
| Press Head Diameter | Ø80 mm |
| Press Head Stroke | 0–200 mm |
| Maximum Stroke Distance | 200 mm |
| Stroke Accuracy | 0.05 mm |
| Mold Compatibility | Main mold: Tungsten Ø100 mm; optional molds: 20 / 30 / 40 / 50 mm (non-graphite) |
| Chamber Structure | Double-wall chamber; inner layer SUS304, outer layer carbon steel; fully water-cooled |
| Hot Zone Size | Ø200 mm × 200 mm |
| Insulation Material | Carbon graphite hard felt + graphite soft felt |
| Ultimate Vacuum (System Level) | 7 × 10⁻⁵ mbar (cold state) |
| Working Vacuum Level | < 7 × 10⁻² Pa (<1200 °C) |
| Vacuum System | Rotary vane pump + diffusion pump with cold trap |
| Gas Operation | Inert gas (Ar / N₂); automatic overpressure release ≤ 0.05 MPa |
| Installed Power | 80 kW |
| Power Supply | 380 V, 3-phase, 50 Hz |
| Cooling System | External closed-loop water chiller |
| Cooling Channels | Multi-channel cooling for electrodes, chamber, molds and pumps |
| Press Head Displacement Accuracy | Digital display of pressure and displacement; stepless speed control; slow pressurization and pressure holding |
| Pressing Modes | Unidirectional, automatic or manual pressing according to process program |
| Safety Protection | Over-temperature, over-pressure, low water flow, over-current alarms |
| Interlock Protection | Vacuum and water interlock protection |
| PLC Monitoring | Real-time monitoring of phase loss, undervoltage, current, voltage, power, water pressure/flow/temperature, vacuum, furnace temperature and pressure |
| Emergency Protection | Emergency stop button and mechanical burst valve for automatic pressure relief |
| Control System | PLC-based touchscreen HMI |
| Operation Mode | Touchscreen operation, automatic monitoring, paperless data recording |
| Data Storage | Automatic data storage for 30 days |
| Data Export | USB export supported |
| Communication Interface | Dual independent 100 Mb Ethernet ports |
| Remote Control | Wired remote control and centralized multi-device control supported |
| System Diagnostics | Integrated system diagnostics, parameter display and fault tracking |
| Special Functions | Mold preheating up to 500 °C; optional induction heating; independent mold support fixtures |
| Documentation | Installation drawings, electrical schematics, operation/maintenance/service manuals |
| Warranty | 1 year (heaters and consumables excluded) |
| Technical Support | Lifetime technical support |
| Training & Commissioning | On-site pre-acceptance training for two persons; remote installation and commissioning supported |
