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Far-Infrared Annealing Furnace

Engineering

The significant reduction in annealing time by effectively using the heat emissions from far-infrared heaters revolutionizes the annealing of resin molds.

Temperatures Used: R.T. + 15 to 350°C

* Specified heater value

Temperature Accuracy: ±3°C

* Standard product temperature

Cleanliness: Class 10,000 (Class 1,000-compatible)

Far-Infrared Annealing Furnace

Sample Processed Products

  • 「Automotive Parts」
    Electronic sensors
  • 「Electronic Parts」
    Electromagnetic switch
  • 「Precision Medical Instruments」
    Dialysis parts

Features

  • Significantly Shortened Processing Time
    Significantly shortened processing time by combining far-infrared heat emission with heat dispersed by air blasting.
    Conventional hot air batch furnace: 1-2 hours→Noritake Annealing Furnace: 3-5 minutes
  • Continuous Processing with Conveyor
    A compact continuous furnace is created by the shortened processing time. Therefore connection is possible with a molding machine to make one continuous process and increase production efficiency.
  • Better Quality
    Heat uniformly by combining a highly responsive far-infrared heater with a hot air dryer. Furthermore, continuous processing makes for reliably accurate dimensions.
    Dimension Accuracy:±5/100mm→±2/100mm
Sample Layout
Sample Layout
Sample Annealing Processes
Products Materials Size Process Heating Requirements
Far-Infrared (Noritake) Hot Air (Conventional)
Electronic sensors PBT (Polybutylene terephthalate) 125×70×30 Size stabilization 140°C x 3 min. 140°C x 2 h.
Electromagnetic switch PA (Polyamide) 50×50×60 Size stabilization 130°C x 10 min. 130°C x 2 h.
Dialysis parts PC (Polycarbonate)  φ60×280  Distortion removal  120°C x 3 min.  120°C x 2 h. 
Audio panel  PC (Polycarbonate)  150×200×12  Distortion removal  120°C x 7 min.  120°C x 2 h. 
Plastic lens Plastic φ80×115  Staining dry  150°C x 30 min. 150°C x 3 h. 
Nut  PTFE (Polytetrafluoroethylene) Φ10x5  Size stabilization 210°C x 20 min. 210°C x 4 h. 

Specification Chart

  Standard Type High Precision Type
Device
Name		 Far-Infrared
Annealing
Furnace
(Standard Type)		 Far-Infrared
Annealing
Furnace
(High Precision Type)
Device
Model		 LF-AN2-*** LF-HA2-***
Method Far-Infrared &
Airblowing		 Far-Infrared &
Propeller Air
Dryer Circulator
Performance
Range of Used
Temperatures		 R.T.+ 115-350°C　* Heater Set Value
Temperature
Adjustment
Accuracy		 ±1°C (at 350°C)
Temperature
Distribution
Accuracy		 ±3°C ±2°C
Far-Infrared
Heater Zone
Partitions		 3 zones x up/down = 6 zones
Time to
Stabilize
Inside Furnace		 Approx. 60 min.
Cleanliness Class 10,000 (Class 1,000-compatible)
Configuration
Interior Stainless steel SUS304
Exterior SS glazed coat
Insulation Rock wool
Far-Infrared
Heater		 Far-Infrared Ceramic Heater PLC-322
Hot Air Heater Fin sheath heater (SUS)
Fan Air fan, Turbo fan Circulation fan, Induction motor
Conveyor Teflon mesh belt (glass fiber + Teflon coating)
Conveyor
Motor		 Induction motor with speed controller
Controller
Temperature
Control		 PID control via microcomputer inside thermometer
Heater
Control
Circuit		 Zero-crossing SSR
Conveyor
Speed
Control		 Managed via a speed controller
Air Flow
Control		 Damper Invertor control
Safety
Circuits		 Temperature abnormality, circuit breaker, conveyor abnormality, fan abnormality, emergency stop (control panel)
Options External input/output terminal, external communications adapter, recorder, power meter, 100 V outlet, entrance/exit emergency stop switch, neutralization unit, work backup detection sensor, area sensor, disconnection alarm, overheat alarm, open door alarm, touch screen control, stainless mesh belt 

Dimensions / Power Consumption

Model Total
Length
(mm)		 Furnace
Length
(mm)		 Total
Width
(mm)		 Conveyor
Working Width
(mm)		 Device
Height
(mm)		 Path
Line
(mm)		 Electrical
Capacity
(KVA)
LF-AN2-104 2000  1000  850  400（350）  1470  1150±25  14  
LF-AN2-154 2500  1500  850  400（350） 1470  1150±25  21 
LF-AN2-157 2500  1500 1150  700（650）  1470  1150±25 28 
LF-AN2-307 4000  3000  1150  700（650） 1470  1150±25  52 
LF-HA2-154 2500  1500  850  400（350）  1985  1150±25  25 
LF-HA2-157 2500 1500  1150  700（650）  1985  1150±25 44 
LF-HA2-307 4000 3000  1150  700（650） 1985  1150±25 58 

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