Vacuum Hot Press Furnace With Graphite Heating Elements

Specification

Model 1 - Compact
VHPF-35-21

Temperature / Press Force

2100°C / 10-Ton

Heating Power / Hot Zone

35 kW; Ø90 x 120 mm hot zone

Ram / Stroke

Ø60 mm ram; 100 mm stroke

Shared Features

Graphite resistance hot zone; electric hydraulic press with grating-ruler feedback; inert-gas atmosphere capability; PLC + 10" touchscreen control

Maximum Temperature

2100°C

Rated Working Temp

2000°C

Heating Power

35 kW

Heating Method

Graphite resistance

Heating Rate

< 20°C/min

Control Accuracy

±1°C

Temperature Sensor

W-Re TC or IR pyrometer

Effective Working Zone

Ø 90 x 120 mm

Maximum Pressure

10 Tons

Ram Diameter / Size

Ø 60 mm

Ram Stroke

100 mm

Pressure Accuracy

±0.1 MPa

Displacement Accuracy

0.01 mm

Graphite Mold

High-purity, max 50 MPa

Hydraulic Ram Design

Standard hydraulic ram

Ultimate Vacuum

< 5 x 10⁻³ Pa

Backfill Pressure

< 0.05 MPa

Pressure Rise Rate

< 4 Pa/h

Vacuum Architecture

2-stage: mechanical + diffusion

Backing Mech. Pump

BSV30; 2.2 kW; 16 L/s; 5 x 10⁻¹ Pa

Roots Pump (Secondary)

- not fitted -

Diffusion Pump

2000 W; 2000 L/s; DN160; 0.3 L oil

Vacuum Gauge

ZDF compound; 10⁻⁵-10⁵ Pa; ±1%

Power Supply (Main)

3-phase 480 V

Operator Interface

10" touchscreen HMI

PID Controller

50-segment program; auto-tune; RS-485

Safety Interlocks

Over-temp; TC break; over-current; low water pressure

Observation Window

Ø 50 mm

Chiller Model

08P

Cooling Capacity

18,300 kcal/h (approx. 21.3 kW)

Tank / Lift

130 L; 50 m head

Chiller Power Input

12 kW; 480 V 3-ph

Model

HPF-100-2100

Maximum Temperature

2100°C

Rated Temperature

2000°C

Power

100 kW

Heating Method

Graphite heating

Effective Working Zone

300 × 300 mm

Graphite Mold

1. High-purity graphite mold, max working pressure 50 MPa
2. Carefully design mold size and select correct pressure.

Holding Time

Adjustable as needed

Ram Stroke

0–120 mm

Ram Size

150 mm

Pressure Accuracy

≤ ±0.1 MPa

Maximum Pressure

50 tons

Displacement Accuracy

0.01 mm

Control Mode

Intelligent PID

Control Accuracy

±1–5°C above 600°C

Temperature Measurement

Tungsten-rhenium thermocouple in tungsten sheath

Observation Window

Diameter 50 mm

Hydraulic System

Electric hydraulic system with proportional valve, potentiometer, pressure sensor, grating ruler (0.02 mm accuracy), manual/auto mode.

Temperature Control System

50‑segment PID program
Over‑temperature & thermocouple break protection
RS‑485 interface
Power‑off resume function
Auto‑tuning

Ultimate Vacuum

< 6 × 10⁻³ Pa

Chamber Backfill Pressure

< 0.05 MPa

Pressure Rise Rate

< 4 Pa/hour

Thermocouple Break Protection

Yes

Over‑temperature Protection

Yes

Over‑current Protection

Yes

Water Pressure Protection

Yes

Heating Rate

< 20°C/min

Input Voltage

480V / 220V

Bellows

KF40 × 1000

Vacuum Gate Valve

KF40

Primary Mechanical Pump – 2X‑70

Power 5.5 kW
Voltage 480V
Speed 450 rpm
Inlet KF80
Pumping 70 L/s
Ultimate 6×10⁻² Pa

Compound Vacuum Gauge

Model ZDF
Power 220V 55W
Accuracy ±1%
Range 10⁻⁵–10⁵ Pa

Secondary Pump – Roots Pump

Model ZJP‑150
Speed 150 L/s
Ultimate 3×10⁻² Pa
Allowable ΔP <8×10³
Start 1×10³
Power 2.2 kW
Speed 2840 rpm

Tertiary Pump – Diffusion Pump

Voltage 220V
Power 2400W
Ultimate 1×10⁻⁵ Pa
Inlet DN300
Outlet DN40
Oil 1.3 L
Pumping 4000 L/s

Optional Water Chiller (12P)

480V 3PH
Power 12 kW
Head 50 m
Tank 160 L
Cooling 27,800 kcal/h
Ports Rp1/2''
Weight 285 kg
Size 730×1335×1415 mm