Products Thermal Equipment Vacuum Hot Press Furnace Vacuum Hot Press Furnace Machine for Lamination and Heating
Vacuum Hot Press Furnace Machine for Lamination and Heating

Vacuum Hot Press Furnace

Vacuum Hot Press Furnace Machine for Lamination and Heating

Item Number : KT-VLP

Price varies based on specs and customizations


Plates travel distance
30-40 mm
Heating temperature
<500 ℃
Vacuum pressure
-0.1Mpa
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Introduction

Vacuum lamination press is a multi-functional machine that combines hydraulic press, electric heating, and a vacuum glove box. With electric heating plates embedded in the hydraulic press plate, thermal insulation, and circulating water cooling, the high temperature of the hydraulic press structure can be prevented. The pressing plates are located inside the vacuum glove box, which can generate a vacuum and a clean environment for oxygen-sensitive processing products. 

Vacuum lamination presses are commonly used for wafer bonding, thin-film transformations, and LCP lamination. They are particularly useful in applications where a vacuum and a clean environment are required to prevent oxidation or contamination of the materials being processed.

Applications

Vacuum lamination press finds its applications in diverse industries, including:

  • Wafer bonding
  • Thin-film transformations
  • LCP lamination
  • Decorative engineered laminates for aircraft interior panels
  • Vacuum clamping
  • Vacuum chucking
  • Veneering
  • Vacuum forming for clay pottery
  • Vacuum clamping & template routing

Features

The Vacuum Lamination Press is a specialized hydraulic compression press designed to cater to a wide range of industries including electronics, printed circuit boards, decorative laminates, and honeycomb panels. This press stands out with its advanced features that not only enhance the lamination process but also ensure high-quality results. Here are the key benefits of the Vacuum Lamination Press:

  • Precise Temperature and Pressure Controls: Equipped with multiple openings, this press allows for exact adjustments of temperature and pressure, ensuring optimal bonding conditions for various materials. This precision is crucial for maintaining the integrity and quality of the laminates.
  • Versatile Heating Options: The platens can be heated using electric heaters, steam, or hot oil, providing flexibility to match the heating requirements of different materials and applications. This versatility ensures that the press can be adapted to a wide range of industrial needs.
  • Internal Cooling System: For applications requiring rapid processing, the platens are internally cooled. This feature significantly reduces the cooling time, thereby increasing the overall productivity of the press.
  • Vacuum Environment: The hot pressing plate is placed in a vacuum negative pressure box, which is ideal for applications requiring a controlled environment free from air pockets and contaminants. This vacuum setting is particularly beneficial for delicate materials and high-precision products.
  • Wide Range of Applications: From straight and curved veneer panels to carbon fiber work and vacuum infusion, the Vacuum Lamination Press is capable of handling a multitude of tasks. This makes it an invaluable tool for industries that require sophisticated lamination processes.

Detail & Parts

500°C Vacuum Lamination Press500°C Vacuum Lamination Press

500°C Vacuum Lamination Press details

Vacuum Lamination Press details
It is a CE certified electric vacuum lamination heat press designed for wafer bonding or film converting up to 100mm x 100mm. It has max. The working temperature is 500°C and the maximum pressure is 20 metric tons.

Principle

Vacuum Lamination Press is a type of hydraulic press that is used to bond two or more layers of material together. The press uses a vacuum to remove air from between the layers, which creates a strong bond. The press also uses heat to soften the materials, which makes them easier to bond together.

Vacuum Lamination Presses are used in a variety of industries, including the automotive, aerospace, and electronics industries. They are used to bond a variety of materials, including metals, plastics, and composites.

Advantages

  • Vacuum glove box provides a vacuum and clean environment for oxygen-sensitive processing products.
  • Integrated features of hydraulic press, electric heating, and vacuum glove box.
  • Precise temperature and pressure controls ensure optimal bonding results.
  • Electric heating plates prevent high temperatures from affecting the hydraulic press structure.
  • Suitable for a wide range of applications, including wafer bonding, thin-film transformations, and LCP lamination.
  • Ideal for heat-sensitive materials as the vacuum membrane system forms the heated laminate without glossing or texture washout.
  • Capable of forming and bonding laminates into deep recesses without popping or bubbling.
  • Versatile machine that combines multiple functionalities for efficient and effective lamination processes.
Dimensions Over-all: 775mm(L) x 550mm(W) x 1325mm(H) 
Structure  
  • Two 135 x 135 mm flat heating platens made of  high temperature resistant Cr steel with max.
  • working temperature of 500ºC
  • 1000W Heating element is inserted into the center of the heating plates for fast heating
  • Max. Load on 135x135mm Heated Platen: 10 Metric Tons at 500°C  ( 55 kg/cm2 );20 Metric Tons at RT   ( 110 kg/cm2 )
  • Two precision temperature controllers which control two heating plates separately 
  • with 30 programmable segements 
  • Water cooling jackets are built on the both top & bottom of the heating plates for assisting cooling
Hydraulic Pump
  • Modified electric hydraulic press is connected to vacuum chamber.
  • Movable distance between two heating plates: 15 mm.
  • Automatic max. pressure controlled via a digital pressure gauge.
  • Pressure accuracy: +/-0.01 Mpa ( 0.1 kg/cm²)
  • Two flat heating plates are installed with water cooling plates for Max. 500ºC working temperature.
  • Water cooling  (>15L/min) is required to cool the heating plates when the operating temperature is over 200 ºC. 
Temperature control and Pressure Display
  • Two precision temperature controllers with 30 programmable segments control the heating plates .
  • separately with +/1°C accuracy. 
  • The temperature controllers have PID auto tune function, over-temperature protection and thermal couple broken protection.
  • Max. Temperature: 500°C with inert gas or vacuum with accuracy +/-1°C
  • Max. Heating rate:  2.5°C/min
  • Software and PC interface is built in the controller , which can be connected to a PC for computer controlling via a RS232 connector.
  • Digital pressure meter ( controller ) is built outside the vacuum chamber.
  • You can set pressure at the desired value which can stop the electric hydraulic press automatically.   
Vacuum Charmber
  • Electric hydraulic press and heating plates are placed inside then vacuum chamber.
  • Vacuum chamber is made of SS304 with the size: 525Lx480Wx450H (mm).
  • Vacuum chamber Capacity : about 75 Liters. 
  • 300mm dia. vacuum sealed  hinged type door with 150mm Dia. quartz glass window is installed for easy sample loading and observation.
  • Silicone O-ring can be used for all vacuum sealings .
  • One precision digital vacuum guage ( 10E-4 torr ) is installed on the vacuum chamber .

Technical parameters

Model KT-VLP100 KT-VLP300 KT-VLP400
Heating plate size 100x100mm 300x300mm 400x400mm
Plates travel distance 30mm 40mm 40mm
Working pressure 30T during heating/40Tin the cold state
Pressure gauge Digital pressure gauge
Heating temperature <500℃
Temperature control Touch screen with PID thermal controller
Vacuum chamber 304 Stainless steel
Vacuum pump Rotary vane vacuum pump
Vacuum pressure -0.1Mpa
Power supply AC110-220V, 50/60HZ

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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FAQ

What Is A Vacuum Furnace Used For?

A vacuum furnace is used for high-temperature processing of materials in a controlled environment without any contamination. It operates by surrounding the product with a vacuum, which prevents oxidation and heat loss from the product through convection. This furnace is commonly used for heat treatment of steel alloys at temperatures below 1200 °C. High-temperature vacuum furnaces can reach temperatures up to 3000°C and are used for industrial processes such as sintering, brazing, annealing, and heat treatment with high consistency and low contamination. The ability to achieve uniform heating across the entire workpiece is a key benefit of using a high-temperature vacuum furnace.

What Is The Purpose Of A Vacuum Hot Press Furnace?

The purpose of a vacuum hot press furnace is to combine vacuum or atmosphere, hot pressing, and high-temperature sintering to form new materials. It can be used in the vacuum sintering of transparent ceramics, industrial ceramics, and metals, as well as the high-temperature sintering of ceramic materials such as silicon carbide and silicon nitride. Additionally, it can be used for the heat treatment of powders and compacts at a temperature lower than the melting point of the main components, which improves their strength through metallurgical combination between particles. The finished materials have improved mechanical, electronic, and thermal properties.

What Is The Process Of A Vacuum Furnace?

The process of a vacuum furnace involves loading the parts into the chamber and creating a vacuum inside it by utilizing a vacuum pump. The next step is to heat the parts using temperature controls, which can reach between 1,500 and 5,400 degrees Fahrenheit. This process eliminates the possibility of oxidation and contamination, resulting in a higher purity end product. After heating, the parts are cooled and finished before being removed from the vacuum furnace. The furnace consists of various components, including the vacuum system, furnace shell, electric heating element, temperature controls, power supply system, and transport apparatus.

What Are The Advantages Of A Vacuum Hot Press Furnace?

Advantages of a vacuum hot press furnace include hot pressing sintering of metal and ceramic powders, preparation of ceramic/metal composites and intermetallic compounds, research and development of diffusion welding process, and densification hot press sintering of oxygen/nitrogen/boron/carbon compounds and their mixtures. The high temperature and pressure under vacuum or atmosphere help to bond raw materials solid particles together, decrease voids and grain boundaries, and improve the mechanical, electronic, and thermal properties of finished materials.

What Gas Is Used In A Vacuum Furnace?

Different gases can be used in a vacuum furnace depending on the application. In general, vacuum furnaces can work with gases or mixtures such as Argon, Nitrogen, Hydrogen, Carbon Monoxide, Helium, among others. The use of these gases allows for heat treatment in a defined, mostly non-oxidizing atmosphere, which is required for various applications such as vacuum soldering and brazing, vacuum annealing, and sintering. Additionally, it is possible to work with a defined oxygen concentration that is different from the air composition.

How Does A Vacuum Hot Press Furnace Work?

A vacuum hot press furnace is a piece of equipment that combines vacuum, hot pressing, and high-temperature sintering. It works by heating and pressurizing materials under vacuum or atmosphere to create a compact polycrystalline sintered body with improved mechanical, electronic, and thermal properties. The furnace is composed of several systems including furnace body, heating and heat preservation, temperature measurement system, vacuum system, air charging system, water cooling system, control system, and pressure system. Heating elements can be graphite heater, molybdenum heater, or induction heating, and one-way or two-way pressurization can be used for hydraulic pressurization.

What Is The Heating Element Used In A Vacuum Furnace?

The heating element in a vacuum furnace is critical to its proper functioning, and is dependent on factors such as maximum operating temperature, power load, partial pressure and quench gases, and life expectancy. Vacuum furnaces are heated by electric resistance elements made from a variety of materials, including high-temperature metallic alloys such as stainless steel, nickel-chromium, molybdenum, tungsten, tantalum, or of non-metallic materials such as graphite and silicon carbide. The choice of material for the heating element is important in maximizing its longevity, reliability, efficiency, and ultimately the process results.

What Are The Common Applications Of Vacuum Hot Press Furnaces?

Vacuum hot press furnaces have various applications in industries such as aerospace, automotive, electronics, and materials research. They are used for the production of advanced ceramics, such as ceramic matrix composites and sintered carbides, which are used in high-temperature applications. These furnaces are also utilized for the fabrication of metallic alloys, superalloys, and intermetallic compounds with tailored properties. Vacuum hot press furnaces play a crucial role in the production of diamond tools and cutting inserts, as well as in the development of advanced electronic materials and components. Additionally, these furnaces are employed in research laboratories for the synthesis and processing of novel materials with unique properties.

What Factors Should Be Considered When Selecting A Vacuum Hot Press Furnace?

When selecting a vacuum hot press furnace, several factors need to be considered. Firstly, the size and capacity of the furnace should align with the intended application and production requirements. The furnace should accommodate the size and number of samples or components to be processed. The heating and pressure capabilities of the furnace should also be evaluated to ensure they meet the desired temperature and pressure conditions. It is important to consider the level of automation and control systems available, as well as the compatibility with specific materials and processes. Additionally, the reliability, service support, and overall cost of ownership should be assessed. Consulting with manufacturers and experts in the field can help in selecting the most suitable vacuum hot press furnace for specific processing needs.
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Product Datasheet

Vacuum Hot Press Furnace Machine for Lamination and Heating

Category Catalog

Vacuum Hot Press Furnace


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