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IHI Machinery and Furnace Co., Ltd.

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Vacuum Carburizing Furnace

Applications

Carburizing, Oil quenching

Advantage of the vacuum carburizing

  Vacuum Carburizing Gas Carburizing
Quality
  • Easy high concentration carburizing
  • No grain boundary oxidation
  • Good uniform carburizing capability for narrow gap/aperture and deep blind hole
  • Ability to carburizing stainless steel
  • Difficulty to high concentration carburizing
  • Grain boundary oxidation (~5㎛)
  • Bad uniform carburizing capability for narrow gap/aperture and deep blind hole
  • Difficulty to carburizing stainless steel
Cost
  • Improvement productivity under short time and high temperature process (~1100℃)
  • Unlimited inttermittent operating
  • Less heat losses under vacuum operation
  • Lower temperature process (~950℃)
  • Heat radiation from furnace body
  • Inttermittent operating need to keep temperature and gas condition
Environment
  • Zero CO2 emission
  • Better work environment
  • Much CO2 emission
  • Hot work environment
Safe
  • Safety from vacuum and fireness
  • Requires more attention to procedure than vacuum carburizing
Operation
  • Simply condition management
    (only time & temperature)
  • Experience not required
  • Complexly condition management
    (required gas management skill)
  • Experience required
Vacuum Carburizing Furnace (VCB Type)
Vacuum Carburizing Furnace (VCB Type)

Features

High reliability
Lower maintenance cost
Low utilities costs
Burnout function leads minimizing soot generation
High energy efficiency and shorter
treatment time due to hightemperature
treatment
Treated products look nice and bright

Function table

function table
automated line
Mass-Production Vacuum Carburizers (V-Cell)
Mass-Production Vacuum Carburizers (V-Cell)

Features

An low-maintenance/easy-maintenance equipment/device with a configuration which focuses on carburizing and quenching.
The continuous vacuum carburizing allows the machine to improve its productivity.

Product configuration

  • Carburizing chambers: 6
    (additional chambers possible)
  • Transfer cart with an oil quenching
    chamber: 1
  • Loading/unloading mechanism: 1
  • Can be combined with a pre-/
    post-degreasing and cleaning
    machine and a tempering
    furnace to build a vacuum
    carburizing line
    Product configuration
    Product configuration
    * Tray included in height
    Model

Function table

function table
Multi-Chamber Vacuum Carburizing Furnace (V-MALS)
Multi-Chamber Vacuum Carburizing Furnace (V-MALS)

Features

Fully-automatic and sophisticated multi-chamber vacuum carburizing furnace.
Achieving high productivity while keeping initial costs to a minimum.

Product configuration

  • Heating chambers: 1 - 3
  • Oil cooling chamber: 1
  • Loading/unloading
    mechanism: 1

Function table

Function table

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