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Machines & equipment for sale

Schlager Drop Bottom Quench Furnace

Direct From Site Clearance

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Please call on +44 (0) 1922 45 8000
Part of a Direct Site Clearance
Schlager
Condition
Brand New
Location
Hagen, Germany
Stock No
SCH500
Model
Drop Bottom Quench
Year of Manufacture
2017
Serial
103243
New or Used
Used (Second Hand)
Internal Size (WxDxH mm)
2300 x 3000 x 2200
Max Temp
550°C
Other Info
Quench time < 7 seconds
Location
Hagen, Germany
Weight (kgs)
5000
External Dimensions (WxDxH mm)
15,000 x 11,000 x 9,000

Description

High quality, German made, Class 1 AMS 2750E furnace for aviation products

  • Extreme short quenching time of less than 7 seconds (unloading including door opening) 
  • Full automatic loading and unloading 
  • High precision quenching technology, patented in several countries 
  • Perfect door sealing system for long lifetime Software based controllers SCADA system fulfils the needs of AMS 2750E 
  • Class 1 furnace system according to AMS 2750E, instrumentation type D (type C available) 
  • Qualified Work Zone 2.3 x 3.0 x 2.2 m 
  • Qualified operation temperature range 240 - 550 °C 
  • Quenching time of less than 7 seconds (unloading incl. door opening) 
  • Job weight up to 1,000 kg TUS already passed very properly T5 heat treatment


Equipment
1 drop bottom furnace
2 job racks 1 quenching tank and 1 loading place, movable by a rail driven car 1 automatic loading crane system
2 job loading places (by forklift) complete maintenance walks complete fencing and safety equipment
CE-documentation (German language / English etc. available)

Technical Data
All dimensions width x depth x height 
Dimensions / Weight External dimensions: approx. 15.0 x 11.0 x 9.0m
Job dimensions: approx. 2.3 x 3.0 x 2.2 m
Switching system: approx. 2.4 x 0.6 x 2.2 m
Complete system weight: approx. 50 MT

Heating System
Heating type: piped natural gas (PNG)
Burner number: 4
Nominal power: 4 x 100 kW = 400 kW
Burner type: German made self recuperative burner in high temperature design firing in radiant double-P tubes (no contact between flue gas and your product)
Air preheating: yes, approx. 470 °C @ 550 °C job temperature
Automatic ignition: yes (high-voltage)
Flame control: yes (automatically)
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: 2
Operating temperature: 240 - 550°C
Safety temperature: 570°C (safety shut down)

Furnace Cooling System
No. of cooling fans: 2 
Type: radial fan Nominal power: 1.1 kW each 
Nominal pressure: 1,000 Pa = 10 mbar 
Nominal flow: 1,000 m³/hr each 
Control: by flaps 

Convection System
No. of circulation fans: 2
Type: radial fan
Housing: heat resistant air guide channels
Nominal power: 15 kW each
Nominal pressure: 1,500 Pa = 15 mbar
Nominal flow: 20,000 m³/hr each

Classification according to AMS 2750E
Qualified Work Zone: approx. 2.3 x 3.0 x 2.2 m
Qualified operation temperature range: 240 - 550°C 
Furnace class: 1
Temperature uniformity: ± 3K
Instrumentation: type D (type C available)
Temperature Uniformity Survey: already passed several times


Quenching Tank
Number of tanks: 1
Type of tank: open bath, single wall movable by rail driven car
Tank volume: approx. 24 m³
Material code: 1.4301
Quenching medium: water
Circulation pump: wear resistant 
Pressure of pump: 4 bar 
Flow rate: pump approx. 20 m³/hr, adjustable tank flow approx. 80 m³/hr, adjustable 
Cooling system: yes, cooling power off heat exchanger 250 kW 
Secondary cooling: by customer (system is as an option available) 
Temperature control: 1 pc. PT100 
Safety temp control 1 pc. PT100 
Level control yes 
Flow control: yes 

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

 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 PM Quality 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

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 PM Quality TYP S PRO
PMQuality Configuration and Installation (optional): at cost
BDE (Database) connection (optional): at cost
Acceptance measurement according to Schlager standard (optional): at cost

pdf icon Print / Download Schlager Drop Bottom Quench Furnace Datasheet

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