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FHHn series

Vacuum Furnace

Hot Roller Type Vacuum Heat Treatment Furnace
FHHn series

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FHH6-6150

FHH series are used for various purposes, such as tempering, sintering, brazing of various types of metal.

Features

  • Adopting hot roller carry system, chamber configuration can be multiplied by combining each unitized chambers.
  • System configuration is selectable depending on process and throughput, such as preparation chamber(vacuum/atmosphere),preheating chamber(operation 500ºC),heating chamber(operation 1150ºC), cooling chamber.
  • Adopting double gate valve, each chamber is completely isolated. A vacuum/atmosphere is completely isolated.
  • Units can be added depending on process and throughput.
  • Inline process is possible, as below.“Loading→Heating 1→Cooling 1→Heating 2→Cooling 2→Unloading”.
  • Adopting six sectional temperature control system heater(option), temperature uniformity can be 1150ºC±3ºC.

Applications

  • Vacuum heat treatment : Heat treatment of various metals, brazing.
  • Sintering : Magnet.

Specifications

System / Type 3060 6090 6150 Remarks
Performance
Size Uniform hot zone (㎜) Width 300 600 600
Length 600 900 1500
Height 500 600 600
Loading capacity (㎏) 230 500 800 including tray's weight
Temperature Max. temperature Preheating 600ºC
Heating 1200ºC
Operation temperature Preheating 500ºC
Heating 1100ºC
Temperature uniformity Preheating 500±5ºC Five points measurement at no load
Heating 1100±5ºC
Heating (special) 1100±3ºC High temperature
type is optional
Cooling Gas cooling Standard 80kPaG selectable Ar.N2
Pressurized type 190kPaG
Vacuum Ultimate vacuum Standard 10-1Pa order At degassed and empty conditions
High vacuum type 10-3Paorder
Operation pressure Standard(1) 1Pa〜10Pa (1) At low vacuum mode

 

 

 

 

(2)At carrier gas mode

Standard(2) 10Pa to 100Pa
High vacuum type 10-2Pa to10-1Pa
Pump-down time
(min)
Loading 10min or less from atmosphere to 10Pa or less at no load
Cooling 10min or less
Cooling 10min or less
Leak rate
(Pa・m3/s)
Loading 4×10-4or less by pressure rise method
Preheating 4×10-4or less
Heating 2×10-4or less
Cooling 4×10-4or less
Utility
3chambers type
(Preheating×1 Heating×1 Cooling×1)
Power requirement (kVA) 210 300 480 Primary power requirement
Cooling water requirement (m3/hr) 12 15 18 Temperature:20 to 30ºC
Compressed air requirement (Nm3/min) 1000 1100 1100
Carrier gas requirement (L/min) 80 80 200 Limit of flowmeter
Coling gas requirement (m3/times) 4 9 12 At the condition of pressurized cooling (190kPa)
Floor space requirement (m2) Width 8.5 10 12
Length 8.5 10 13
Height 4.5 5.8 5.8
5chambers type
(Preheating×2 Heating×2 Cooling×1)
Power requirement (kVA) 390 425 750 Primary power requirement
Cooling waterrequirement (m3/hr) 20 25 30 Temperature:20 to 30ºC
Compressed air requirement(Nm3/min) 1000 1100 1100
Carrier gas requirement (L/min) 120 160 300 Limit of flowmeter
Coling gas requirement (m3/times) 4 9 11.7 At the condition of pressurized cooling (190kPa)
Floor space requirement (m2) Width 8.5 10 12
Length 11.5 12.5 17.5
Height 4.5 5.8 5.8

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