vacuum heat treatment furnace quenching hardening tempering annealing vacuum machinery

$80,000.00 - $155,000.00
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1 Unit
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Company Information

Shanghai Gehang Vacuum Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
<24h
Response Rate:
84.6%
Transactions
US$ 560,000+
6 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Port: Shanghai
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 4 Unit/Units per Month vacuum annealing furnace
Condition: New
Warranty: 1 year
After-sales Service Provided: Free spare parts,Field installation, commissioning and training,Field maintenance and repair service,Video technical support,Online support
Place of Origin: Shanghai China
Brand Name: SIMUWU
Usage: Heat Treatment Furnace
Voltage: 380V (adjustable)
Certification: CE, ISO9001
Type: Resistance Furnace
Dimension(L*W*H): custom made
Power (kW): 180
Applicable Industries: vacuum furnace
Weight (T): 5 T
After-sales Service Provided: Engineers available to service machinery overseas
Chamber material: Cast iron, stainless steel, optional
Structure: Horizontal, vertical, batch, continuous
Loading capacity: 3000kg (adjustable)
Vacuum system: Leybold, EVP, Edwards, Kinney
Heating method: resistance, induction
PLC controller: SIEMENS, MITSUBISHI, LG
Heater: Mo belt, Tungsten, Graphite, SiMo, SiC
Max temperature: 500C - 1800C (custom made)
Temperature uniformity: &plusmn;5 C
Packaging Detail: 20&#39;/40&#39; Open top container or 20&#39;/40&#39; Flat rack container

 

Product Description

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                                 vacuum heat treatment furnace, quenching, hardening, tempering, annealing, vacuum machinery

Vacuum Technology is the Basis for Process Innovation in Heat Treatment.

Heat Treatment is the process in which metallic/steel parts are exposed completely or partially to time-temperature sequences in order to change the mechanical and/or corrosion properties. There are numerous application areas, e.g.:

• Annealing • Hardening • Tempering • Aging • Case hardening

To achieve a higher strength of the material, better wear resistance or to improve the corrosion behaviour of the components.All of these processes need a temperature up to 1.000 °C and higher as well as especially developed furnaces to achieve such ranges.

Vacuum Annealing
Annealing is one type of heat treatment comprising heating up to a specific temperature, holding and cooling down slowly. Such processes are generally used to obtain a softer structure of the part and to optimise material structure for subsequent working steps (machining, forming). Parameters depend on the material and the desired structure.
Vacuum Hardening and Tempering
Hardening is a typical heat treatment process combining heating to specific temperatures (mostly above 900 °C) and direct fast cooling or quenching of the part. The requirements are selected to change the materials’ structure partially or completely into martensite. The part undergoes tempering treatment after hardening in order to obtain high ductility and toughness.
Vacuum Case Hardening
One of the important processes is the case hardening or carburizing process. Parts are heated up to 900 °C - 1.000 °C and by adding specific gases (hydrocarbons) into the atmosphere of the furnace the part’s surface is enriched by absorbing carbon. Following this treatment the part is quenched in order to achieve the required properties. This results in higher resistance to stresses and friction on the component’s surface. The core of the part remains somewhat softer and more ductile which allows the part to carry high stresses through its entire life. For example, all gear parts for transmissions are treated this way.

 

Name

Parameter

vacuum heat treatment furnace (hardening, annealing, tempering, quenching)

steel heat treatment 

Model

Horizontal / Vertical

Ultimate vacuum

Custom made

Pressure rising rate

0.5pa/h ( adjustable )

Max temperature

Custom made

Temperature uniformity

±3℃ / ±5℃

Heating power

Custom made

Temperature control method

Intelligent programmable temp controller

Control method

PLC auto/manual interlock protection

Max gas charging pressure (absolute pressure)

Custom made

Specifications

 

Main technical data of vacuum heat treatment furnace

Models

Effective working

dimension

(mm)

Max temperature

(C)

Ultimate

pressure

(pa)

Pressure

rising rate

(pa/h)

Temperature

uniformity

(C)

Loading

capacity

(kg)

RVT-224

250x250x400

500-1300

4x10-1

0.5

±5

50

RVT-335

300x300x500

500-1300

4x10-1

0.5

±5

100

RVT-446

400x450x600

500-1300

4x10-1

0.5

±5

200

RVT-558

500x500x800

500-1300

4x10-1

0.5

±5

300

RVT-669

600x600x900

500-1300

4x10-1

0.5

±5

500

RVT-7710

700x700x1000

500-1300

4x10-1

0.5

±5

800

RVT-8812

800x800x1200

500-1300

4x10-1

0.5

±5

1200

RVT-vertical 70x11

Φ700x1100

500-1300

4x10-1

0.5

±5

800

RVT- x

custom made

custom made

custom made

custom made

custom made

custom made

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Application

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Application fields: Die steel, stainless steel, gear, high speed steel, tool steel and so on.

Advantages of Vacuum Heat Treatment

Vacuum as "Protective Atmosphere"

• No toxic protective gases containing CO

• No health hazards in the work shop

• No danger of explosion or open flames

• No furnace conditioning

• Use of inert gases (nitrogen or helium)

• No CO2 emission

Vacuum Carburizing

• Use of various processes

• Use of different gases

• Shorter carburizing cycles than in conventional technology

• Higher carburizing temperatures offer potential to further reduce process time

• Small gas consumption l instead of m3

Gas Quenching Instead of Oil Quenching

• Clean, dry parts after hardening

• No washing machine - no disposal of washing water

• No maintenance of washing equipment

• No complicated washing water chemistry

• Saves space

• Cost benefits

• Quenching intensity is controlled via gas pressure or gas velocity

• No vapor blankets during quenching

• Homogeneous quenching

• Reduced distortion

Surface Influences

• Free of surface oxidation

• No surface decarburization

• Bright, metallic, shiny parts 

Plant Operation / Installation / Maintenance

• No idling over the weekend

• No continuous gas consumption

• Short heat-up times

• Fast access to installed modules

• No fire detection or sprinkler system

• No open flames

• No flammable gas mixtures

• Cold-Wall Technology

• No gas emission

• Minimum energy loss

• No heat radiation to atmosphere

Auxiliary Equipment of Protective Gas Plants are no longer required, like:

• Fire safety equipment

• Sprinkler system

• Exhausts

• CO2 extinguisher for the oil bath

• Measuring CO concentration in the shop

• Smoke exhaust in the roof (automatic opening and closing)

• Oil-proof floor or tank

• Methanol storage

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Company Information

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Packaging & Shipping

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