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HOT RUNNER COIL HEATERS


1) AVAILABLE IN FOLLOWING CROSS SECTION 4) TYPICAL LEAD ORIENTATION
2) TECHNICAL SPECIFICATION AND TOLERANCE 5) HOW TO ORDER MICRO TUBULAR HEATER
3) CONNECTION LEADS OPTION  



Elmec hot runner heaters are made of nickel chrome resistance wire placed inside chrome nickel steel tube filled with Mgo powder and compacted for faster and efficient heat transfer. The heaters are annealed to acquire malleability for bending into any shape. Hot runner heaters with built in thermo couple are also available. Hot runner bushes are produced with hot runner heaters of different cross section with inner brass and outer stainless steel cover.

 

APPLICATION

Moulds & dies
Manifolds
Hot runner nozzles and spruce bushes
Packaging machineries
Manifolds
Injection moulding machine nozzle



AVAILABLE IN FOLLOWING CROSS SECTION

3.0 * 3.0, 3.30 * 3.30, 4.50 * 4.50 mm
4.20 * 2.20, 4.50 * 2.50, 3.20 * 1.80, 1.30 * 2.30 mm
3.30, 1.80, 1.60 mm



TECHNICAL SPECIFICATION AND TOLERANCE

Sheath Material Cr Ni-Steel
Insulation Material Mgo
Resistance Wire Ni Cr 80-20
Maximum Sheath Temperature 700°C
Die Electrical Strength 800V A/C
Insulation > 5 M W
Thermocouple J type (Standard) or K type
Length Tolerance (Straight) + 5%
Wattage Tolerance + 10% (+ 5% Available Upon Request)
Resistance Tolerance + 10% (+ 5% Available Upon Request)
Unheated Length 35mm (Standard)
Dimensional Tolerance Coil I.D + 0.1 to 0.2mm
Coil Length + 1mm

 




CONNECTION LEADS OPTION

PTFE Insulated nickel lead protected with thick silicon coated fiberglass sleeve


 

PTFE Insulated nickel lead protected with flexible stainless steel metal braid

     


PTFE Insulated nickel lead protected with flexible stainless steel metal hose


   


PTFE Insulated nickel lead protection


   



TYPICAL LEAD ORIENTATION




HOW TO ORDER MICRO TUBULAR HEATER

Cross Section
Outer dia of coiled heater : O.D

Inner dia of coiled heater : I.D (Or) Outer diameter of nozzle to be heated

Number of coils in L1,L2,L3
Coil total length TL =
  L1=   , L2=    , L3=
Connection lead option and lead length
Connection lead orientation Refer-Fig-1
Drawing or sample for special type configuration
Volts
Watts
Type of the thermocouple  (J type or K type)
Quantity

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