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Machines & equipment for sale

Schlager Box Furnace 2

Direct From Site Clearance

Direct Site Clearance Price [?]
EURO 75,000 (+ VAT)
Part of a Direct Site Clearance
Brand New
Hagen, Germany
Stock No
Schlager Box Furnace
Year of Manufacture
New or Used
Used (Second Hand)
Internal Size (WxDxH mm)
1000 x 1400 x 1000
Max Temp
Other Info
Class 2 furnace system according to AMS
Hagen, Germany
External Dimensions (WxDxH mm)
3400 x 2796 x 4695


High quality, German made, Class 2 AMS 2750E furnaces for aviation products

  • Perfect door sealing system for long lifetime 
  • Software based controllers SCADA system fulfils the needs of AMS 2750E
  • Box furnace Class 2 furnace system according to AMS 2750E, instrumentation type D (type C available)
  • Qualified Work Zone 1.0 x 1.4 x 1.0 m
  • Qualified operation temperature range 400 - 700 °C (150 - 700 °C available)
  • Job weight up to 1,000 kg 

1 box furnace
3 job racks if required
complete maintenance walks
complete safety equipment CE-documentation (German language / English etc. available)

all dimensions width x height x depth 
External dimensions: 3.4m x 4.7m x 2.8m
Job dimensions: approx. 1.0 x 1.4 x 1.0m 

Heating System
Heating type: Electrical Heating elements: 6 Nominal power: 100 kW
Element type: FeCrAl Furnace atmosphere: ambient air in job area 

Temperature Control
Type of controller: PLC based software controller according to AMS 2750E with high resolution PLC input cards
Type of thermocouples: for process Type S (Pt10Rh-Pt) for TUS Type K (NiCr-Ni)
Number of control zones: 1
Operating temperature: 400 - 700 °C (150 - 700 °C available)
Safety temperature: 720°C (safety shut down): for process Type S (Pt10Rh-Pt) for TUS Type K (NiCr-Ni)
Number of control zones: 1
Operating temperature: 400 - 700 °C (150 - 700°C available)
Safety temperature: 720°C (safety shut down)

Convection System
No. of circulation fans: 1
Type: radial fan
Housing: heat resistant air guide channels
Nominal power: 7,5 kW Nominal pressure: 1,500 Pa = 15 mbar
Nominal flow: 10,000 m³/hr 

Classification according to AMS 2750E
Qualified Work Zone: 1.0 x 1.4 x 1.0 m
Qualified operation temperature range: 400 - 700 °C
Furnace class: 2
Temperature uniformity: ± 6(5)K
Instrumentation: type D (type C available) 

Human Machine Interface
Type: SIEMENS Touch Panel IPC 477D, 22" coloured display
Software: AMS 2750E conform SCADA via SIEMENS SIMATIC WinCC 7.3 licences included, software customizing has to be charged 

Batch type: Aluminium, Titanium and steel parts, pipes, castings, forgings etc.
Dimension: as per customers needs Job weight: up to 1,000 kg
Aluminium or Titanium Handling of trays: loading by forklift

Environmental Conditions
Ambient temperature: furnace +0 °C to +45 °C
Switching system +0 °C to +40 °C
Noise emission: < 80 dB(A), measured on shop floor at 3 m distance with closed furnace door

Supply Media
Power supply: 400V ± 10 %, 50 Hz ± 1 %
Compressed air: 6 bar, clean, dry and oil free average flow rate less than 2 cm/hr

Ethernet 100/1,000 Mbit
Remote control: yes, via VPN / TeamViewer (licence by customer)

Visualization as a single station for the Drop Bottom Furnace (DBF)

The visualization consists of a SIEMENS SIMATIC Panel PC (HMI IPC 477D, diagonal 22 ", TFT color display, Windows 7 embedded).
The visualization interface SIEMENS SIMATIC WinCC Version 7.3 and ADD-On PMQuality TYP S PRO (optional) are installed on this PC.

When programming the entire visualization software, the focus is on usability. Operating steps are carried out as simply as possible, so that only short actions are necessary to reach the result. The operation will be coordinated with you to adapt the software to your needs.

The following overviews are shown:

  • Plant overview - Diagram of all individual units with the essential data (for example, remaining running times, temperatures, operating hours counter, faults, etc.)
  • Charging and water bath with the essential data
  • Safety fence with door / door release (optional)
  • Gas heating, zone control
  • Recipe management (recipe display, recipe input, recipe editing)
  • 50 annealing programs can be specified
  • annealing program consists of 20 steps (stair curve)
  • Graphic representation of the programmer
  • Automatic furnace start
  • Program input and change only via password
  • SAT / TUS correction input and interval monitoring
  • Temperature archiving  recording the temperature data of the existing quench tank - thermocouple type Pt100
  • Connection to the company network
  • Service menu with extensive setting options
  • Visualization of all recorded system parameters and setting values
  • Fault indication / management (display, review, simple acknowledgment)
  • Diagnostic system including image documentation German / English
  • User management
  • Backup on the PC and on the server in parallel twice
  • Switching the surface language German / English

Optional with batch tracking:

  • Enter the heat treatment data
  • File names can be specified in such a way that logs are searched for each batch
  • Heat treatment data (e.g., job #, recipe, weight, temperature, Alloy, batch, weight)
  • Search function after max. 5 heat treatment data
  • Automatic log printout in PDF format and on the paper printer

The offering price includes:
1. The furnace only
2. WinCC Systemsoftware
3. WinCC Tool Copy Project Version 6
4. Software PMQuality
5. Basic programming: running system and visualization

The offering price does not include:
1. Delivery
2. Installation and commissioning
3. Alteration to the program
4. PMQuality installation and commissioning

Optional programmable controls and support are available from the OEM

1x SIMATIC IPC 477D, 22" Touch Display
Software licenses:
1x WinCC Systemsoftware V7.3, RT (2048 PowerTags) 
1x WinCC Tool Copy Project Version 6 
Programming PLC and WinCC visualization:
Batch tracking (optional):
Software 1x PMQuality TYP S PRO 3.720,00 EUR
PMQuality Configuration and Installation (optional)
BDE (Database) connection (optional)
Acceptance measurement according to Schlager standard (optional)

pdf icon Print / Download Schlager Box Furnace 2 Datasheet

Photographs taken prior refurbishment. Our refurbishment service is not available on all machines.