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1200 degree vacuum hot pressing furnace

  • 20191009-3-1.JPG
  • Technical Parameters
  • Detailed Description
  • Video show
  • The standard configuration
  • Option

Equipment use

The vacuum hot-pressing furnace is a device that combines vacuum / atmosphere, hot-press forming, and high-temperature sintering. It is suitable for high-temperature hot forming of new materials such as powder metallurgy and functional ceramics. For example, it is applied to the vacuum sintering of transparent ceramics, industrial ceramics and other alloy materials and refractory metals, as well as the high temperature sintering of ceramic materials such as silicon carbide and silicon nitride. The purpose of heat treatment at temperature is to improve the strength by metallurgical bonding between particles.

Equipment main structure introduction

The vacuum hot-pressing furnace is composed of a furnace body, a furnace door, a heating and insulation and temperature measurement system, a vacuum system, an inflation system, a water cooling system, a control system, and a pressurization system.

Furnace: double-layer 304 stainless steel water-cooled structure, precision polished, beautiful and generous.

电阻丝,保证了最佳的温度均匀性。 Heating insulation and temperature measurement system: The heating system uses Swedish Canthal A1 resistance wire to ensure the best temperature uniformity. 炉膛材料,不掉粉、材料保温性能好、反射率高、温场均衡,抗热涨冷缩能力强。 The insulation material is imported from Japan . It does not drop powder, the material has good thermal insulation performance, high reflectivity, balanced temperature field, and strong resistance to thermal expansion and contraction. It adopts thyristor temperature control, equipped with PID function instrument, digital display meter, with over-temperature sound and light alarm function. It can also choose PLC touch screen for automatic control, and retain historical data to facilitate analysis of sintering process.

Vacuum system: It consists of mechanical pump, inflation valve, bleed valve, vacuum valve, vacuum pressure gauge, bellows, vacuum pipe and bracket.

Inflatable system: It is composed of various pipes and valves. An explosion-proof system is optional. When the pressure in the furnace is higher than a safe value, it will automatically deflate. Needle valve is installed on the gas-filling pipeline, and an optional flow meter can be used to control the gas-filling volume. It is used for the argon-filling and nitrogen-filling atmosphere requirements for the sintering process.

Control system: It consists of programmable controller PLC, temperature control meter, vacuum gauge, ammeter, voltmeter, air circuit breaker, AC contactor, relay, thyristor, button, indicator light, etc., to realize power supply, control, recording, Monitoring and alarm protection function.

Pressurization system: It consists of load cells, pressure transmitters, etc., which can adjust the pressure through the touch screen installed on the furnace body, and can achieve voltage stabilization and pressure holding.

Detailed technical parameters




5 KW

Heating zone size (mm)

Φ130 × 205 (mm)

Working area size (mm)

Φ100 × 100 (mm)


800 * 500 * 1600 (WXDXH)





Heating element

(电阻丝可承诺保修2年) 点击进入资料下载 Swedish Kanthal A1 imported resistance wire (resistance wire can be guaranteed for 2 years) Click to enter the data download

Temperature control method

Use Yudian program temperature control instrument (standard)

1. 30-segment program temperature control intelligent PID adjustment.

2. With over-temperature protection, the electric furnace heating circuit will be automatically cut off when the temperature is too high or the temperature is broken. ON, the ON light on the panel is off, the OFF light is on, and the electric furnace is limitedly protected).

3. With 485 communication interface (standard with optional software)

4. It has a power failure protection function, that is, when the furnace is powered on after the power is turned off, the program does not start from the initial temperature, but starts from the temperature of the furnace when the power is turned off.

5.The meter has the function of temperature self-tuning

(Replacement of imported instruments requires additional payment, purchase)

FP93 temperature control instrument (Japan Shiden) Eurometer instrument touch screen instrument

Furnace material

1. High-quality high-purity alumina polycrystalline fiber curing furnace formed by vacuum suction filtration.

2. Molded by Japanese technology.

3.The spacing and pitch of the resistance wires in the furnace are all arranged according to the best thermal technology in Japan, and the temperature field is simulated by thermal software

control precision

± 1 ℃


Phase shift trigger

Electrical appliances



106 / 16E Simmonk, Germany

Maximum temperature

1200 ℃

Rated temperature

1100 ℃

Heating rate

≤20 ℃ / Min (can be modified according to requirements)

Recommended heating rate

≤10 ℃ / Min

Thermocouple model

K type

Heating section length


Vacuum system

1.Single-stage pump TW-1.5A   2.Two-stage pump 2XZ-2   3.VS-0.1 vacuum system

4. VS high vacuum system 5. Constant pressure pump 6. British PCG550 (INFICON) capacitance vacuum gauge

1. Generally use a rough vacuum to drive the gas out of the furnace tube: TW-1.5A single-stage pump can be used.

2. The two-stage pump 2XZ-2 vacuum pump can draw the vacuum degree of the tube furnace tube to about 10Pa.

3. The VS-0.1 vacuum system can draw the vacuum degree in the tube furnace tube to 0.1Pa (with a resistance vacuum gauge display).

4, VS high vacuum system (this system is composed of molecular and mechanical pump) can draw the vacuum degree in the tube furnace tube to 10 -3 Pa.

5. Constant pressure pump (This system can control the pressure in the tube at -100.0KPa ~ 100.0KPa).

6. British (INFICON) capacitance vacuum gauge (measurement range 3.8x10-5 -1125 Torr, can detect various gases, including mixed gases, accurate measurement, good repeatability, optional anti-corrosion type PCG554)


1. The high temperature mold unit is made of high-purity graphite with a maximum working pressure of 50MPa

2. Please carefully design the size of the high temperature mold and choose the correct pressure.

Pressure control system

Parameters such as pressure and dwell time can be set through the touch screen on the furnace body

compress time

Set on demand

Maximum pressing stroke


Indenter size


Pressure accuracy

± 100Kg

greatest pressure

5T (10MPa gauge)

Water cooler

Cooling water rated pressure: 0.1 ~ 0.2 MPa


Ambient surface temperature

≤45 ℃

Security protection system

The furnace body is equipped with an air switch and a fuse. When the current exceeds the rated current of the circuit breaker, the empty meeting automatically trips to protect the electric furnace effectively.

Switch protection system

The furnace is equipped with a travel switch. When the furnace cover is opened, the relay will automatically cut off the main power, effectively ensuring the safety of the user.

The structure design of this equipment is advanced and reasonable. The furnace body is made of full stainless steel, the surface is brushed, beautiful and atmospheric. The electrical components are well-known brands at home and abroad. Fully automated program control. The control system software is developed by our company. The screen is friendly, the operation increases the order, and the response speed is fast. The working conditions in the furnace can be monitored in real time, and the system is stable and reliable.

This equipment is widely used in colleges, universities, research institutes, and production enterprises to perform hot-pressing sintering on materials under vacuum, protective atmosphere conditions or air (indenters and molds need to be replaced with SiC). Vertical structure, suitable for annealing, brazing, sintering and degassing of materials under vacuum, inert atmosphere and high temperature. It is the ideal equipment for materials laboratory.


Software control system (optional): The furnace is equipped with a communication interface and software, which can directly control various parameters of the furnace through a computer, and can observe the PV and SV temperature values on the furnace and the operation of the instrument from the computer. The heating curve computer will draw in real time, and can save the temperature data at each moment, and can be called up at any time.

Cover opening protection system: The furnace is equipped with a travel switch, which will automatically cut off the power when the furnace cover is opened, effectively ensuring the safety of the user.


Sealing system: The O-ring of the furnace door is extruded and sealed, it is easy to remove, it can be repeatedly removed, and the air tightness is good.

Vacuum system (optional): TW-1.5A vacuum pump and 10-1Pa vacuum pump or 10-4Pa molecular pump imported from Germany can be equipped.


日本进口 炉膛材料,不掉粉、材料保温性能好、反射率高、温场均衡,抗热涨冷缩能力强。 Furnace material: The furnace material imported from Japan is used. It does not drop powder, the material has good thermal insulation performance, high reflectivity, balanced temperature field, and strong resistance to thermal expansion and contraction.


瑞典Canthal A1 电阻丝 使用时间长,温场均衡。 Heating element: The world's first-class resistance wire Sweden Canthal A1 resistance wire is used for a long time and the temperature field is balanced. Kangtaier resistance wire data download


Leakage protection function: The furnace is equipped with a leakage air switch. When the furnace body leaks electricity, it automatically cuts off power to ensure the safety of use.

Features of hot press furnace:

(1) The equipment can combine extrusion and sintering into one process to complete, so that high density and high strength composite materials can be obtained.

(2) Open-type vertical heating body.





RYL1200 Vacuum Hot Press Furnace

1 set

Graphite mold

1 set

High temperature gloves

1 pair

K-type thermocouple 1

COM to USB interface

(Standard when selecting software control system)



1 serving


(Standard when selecting software control system)


Gas supply system

Proton flow meter gas supply system

Float meter air supply system

Extraction system

Vacuum pump




Pfeiffer Molecular Pumps

Resistance vacuum gauge

Resistance vacuum gauge

Composite vacuum gauge




Vacuum baffle valve



KF card holder



KF Tee


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