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High-Performance China VBL Bottom Charging Vertical Vacuum Furnace - Leading Suppliers & Factory for Heat Treatment Solutions
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High-Performance China VBL Bottom Charging Vertical Vacuum Furnace - Leading Suppliers & Factory for Heat Treatment Solutions

The VBL series Bottom Charging Vertical Vacuum Furnace is a premium heat treatment solution offered by leading China suppliers. This advanced equipment is specifically designed for large, heavy, or complex structural workpieces, featuring a unique bottom charging structure that maximizes loading efficiency and simplifies operation, With precise temperature control within a vacuum or controlled atmosphere environment, this vertical vacuum furnace ensures uniform heating and rapid cooling, making it suitable for various heat treatment processes including quenching, tempering, annealing, and brazing. Its vertical design is ideal for processing long shafts, rings, molds, and large mechanical parts, positioning it as a crucial asset in industries such as aerospace, energy equipment, automobile manufacturing, and nuclear power, Manufactured by experienced factory teams, the VBL series effectively processes superalloys, titanium alloys, stainless steel, and ceramic composite materials, preventing oxidation and deformation of workpieces. This not only enhances mechanical properties but also extends the service life of components, making it an essential choice for businesses seeking reliable and efficient heat treatment solutions

    Characteristic 01

    Bottom lift loading system with vertical furnace, reduce floor space, support heavy workpieces efficient loading and unloading, reduce manual operation intensity

    Heating the workpiece under different vacuum degree (10-2~10-6 mbar) to avoid surface oxidation and decarbonization and ensure pure and stable process environment

    Multi-zone independent temperature control, combined with PID algorithm, to achieve ±5℃ furnace temperature uniformity, with good temperature control accuracy, to meet the needs of large workpiece consistency processing

    The heating chamber is made of graphite composite material or all-metal structure (such as molybdenum heating elements and metal heat insulation screen), which is resistant to high temperature and high pressure airflow and has long service life

    Through different cooling inert gas (nitrogen, argon, helium) and under different cooling pressure, combined with high speed and large flow fan to quickly cool the workpiece, cooling speed is controllable

    The load bearing table of the processing parts can be rotated during heating and cooling, which can ensure the best temperature uniformity and effectively control the deformation of the parts

    Enhanced furnace structure + multiple safety protection, in line with international safety standards, equipment life of more than 20 years

    Integrated PLC, with program controller or computer interface, touch screen, recorder and other real-time monitoring furnace vacuum degree, temperature, pressure and other data, support remote fault diagnosis and process tracing

    Common Specifications 02

    Parameter / Model VBL-100/120 VBL-140/180 VBL-160/200
    Effective working area: diameter × height (mm) 1000×1200 1400×1800 1600×2000
    Working vacuum 10-1~10-6 mbar (optional)
    Temperature Maximum 1320℃ / normal operating temperature 540~1280℃
    Cooling gas medium Nitrogen, Argon (optional)
    Cooling pressure 0.87~10 bar abs
    Handling weight approx. (Kg) 1000 1500 2000
    Installed power (KW) 240 430 500
    Support the furnace effective working area size, maximum temperature, working vacuum, gas cooling pressure and other parameters customized according to requirements, to meet the diversified production scenarios.

    Frequently Asked Questions (FAQ)

    What are the advantages of the bottom lift loading system?

    The bottom lift loading system with a vertical furnace significantly reduces floor space requirements. It supports the efficient loading and unloading of heavy workpieces while reducing manual operation intensity for operators.

    What vacuum levels can the VBL series vacuum furnaces achieve?

    The VBL series furnaces support heating under different vacuum degrees ranging from 10-1 to 10-6 mbar (optional). This prevents surface oxidation and decarbonization, ensuring a pure and stable process environment.

    How does the furnace achieve temperature uniformity for large workpieces?

    It features multi-zone independent temperature control combined with a PID algorithm to achieve a furnace temperature uniformity of ±5℃. Additionally, the load-bearing table can rotate during heating and cooling to ensure the best temperature uniformity and control part deformation.

    What materials are used for the heating chamber?

    The heating chamber is constructed using high-quality graphite composite materials or an all-metal structure (such as molybdenum heating elements and metal heat insulation screens) to resist high temperatures and high-pressure airflows, ensuring a long service life.

    Can the technical specifications be customized?

    Yes, we support customization for the furnace's effective working area size, maximum temperature, working vacuum, gas cooling pressure, and other parameters to meet your specific production requirements.