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Dual-Tube Gold Infrared Heating Lamp for Plastic Welding

YFR dual-tube gold infrared heating lamps are designed for plastic welding, heat sealing, localized preheating, thermoforming, and custom industrial heating systems.

The twin quartz tube structure provides a compact heating profile, while the gold reflector coating helps direct radiant energy toward the working side. Custom length, voltage, power, end caps, lead wires, terminals, and mounting structures are available for OEM equipment and replacement applications.
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Product Overview

YFR dual-tube gold infrared heating lamps are quartz infrared emitters designed for plastic welding, heat sealing, localized preheating, forming, bonding, edge heating, and custom industrial heating systems.

The dual-tube structure provides a compact and stable lamp geometry, making it suitable for heating modules where space is limited and a defined heating area is required. The gold reflector coating helps direct infrared radiation toward the working side, supporting more focused radiant heating for plastic parts, films, sheets, and molded components.

YFR can manufacture dual-tube gold infrared lamps according to customer drawings, original samples, machine requirements, or application conditions. Length, voltage, power, tube size, coating direction, end cap, lead wire, terminal, and mounting structure can be customized.

                                             twin tube heater


Key Product Features

Feature Description
Product Type Dual-tube gold infrared heating lamp
Heating Type Short-wave infrared radiant heating
Tube Structure Twin / dual quartz tube
Reflector Type Gold reflector coating
Typical Application Plastic welding, heat sealing, localized heating, forming
Tube Material Quartz glass
Lamp Shape Short dual-tube structure or customized design
Voltage Customized according to equipment requirement
Power Customized according to heating zone and material
End Structure Ceramic cap, metal cap, lead wire, pin, or custom terminal
Lead Wire High-temperature wire with customized length
Replacement Support Available according to samples, photos, drawings, or machine structure

Why Use a Dual-Tube Gold Infrared Lamp?

Plastic welding and sealing processes often require a controlled heating zone. If the heat area is too wide, the surrounding plastic may deform. If the heat is too weak or uneven, welding strength and sealing consistency may be affected.

A dual-tube infrared lamp can provide a more compact and stable heating form than many single-tube layouts. The gold reflector coating helps guide more radiant energy toward the target area, reducing unnecessary rear-side radiation when the lamp is installed in a one-sided heating module.

This structure is suitable for equipment where the heating element must be compact, directional, and easy to integrate into a plastic welding or sealing system.

                                                      twin tube lamp length



Main Advantages

Advantage Practical Benefit
Dual-tube quartz structure Compact lamp geometry for localized heating modules
Gold reflector coating Helps direct radiant heat toward the working side
Short-wave infrared output Fast heat response for welding, sealing, and forming
Custom voltage and power Matches different equipment and regional power systems
Custom end structure Supports OEM installation and replacement lamp requirements
High-temperature lead wire Suitable for industrial heating module wiring
Replacement support Can be produced based on original lamp photos or samples
OEM manufacturing Suitable for machine builders and heating module suppliers

Typical Applications

Application Typical Use
Plastic welding Localized heating before pressing or joining plastic parts
Heat sealing Heating film, sheet, packaging edges, or sealing zones
Plastic forming Preheating small areas before shaping or bending
Automotive plastic parts Heating bumpers, trims, panels, ducts, and plastic components
Medical plastic packaging Controlled heating for selected sealing applications
Electronics housings Local heating for plastic shells and enclosure parts
Packaging machinery Heat sealing or preheating of packaging materials
Custom IR heating modules Integrated into OEM welding, forming, or sealing equipment

Gold Reflector and Directional Heating

The gold reflector coating is used to support one-sided radiant heating. In plastic welding or sealing equipment, this can help focus heat toward the part rather than radiating equally in all directions.

Reflector Design Typical Purpose
Gold reflector coating Directional heating toward the target surface
Partial gold coating Customized heating direction according to lamp position
Clear quartz section Used where all-around radiation or visual inspection is required
Custom coating length Matched to effective heating area
Custom coating angle Matched to machine holder and target direction

The correct reflector direction should be confirmed before production. For replacement lamps, photos showing the original coating direction and installation position are important.


Customization Options

YFR can customize dual-tube gold infrared heating lamps according to your machine and process requirements.

Custom Item Available Options
Lamp Length Short type or customized length
Heating Length Designed according to the effective welding or sealing area
Voltage 24V, 110V, 120V, 220V, 230V, 240V, 380V, 400V, 480V or customized
Power Customized according to heating load
Tube Structure Dual tube / twin tube quartz structure
Reflector Coating Gold coating, partial coating, or custom coating direction
End Cap Ceramic cap, metal cap, or special end design
Lead Wire High-temperature cable with customized length
Terminal Bare wire, ring terminal, spade terminal, pin, plug, or custom connector
Mounting Method According to lamp holder, clamp, or heating module
Packaging Standard export packaging, neutral packaging, or OEM packaging

Replacement Lamp Support

YFR can produce replacement dual-tube gold infrared lamps for existing plastic welding machines, sealing systems, heating modules, and custom industrial equipment.

To check compatibility, please provide:

Required Information Example
Complete lamp photo Full lamp photo and both end details
Total lamp length Overall length including terminals
Heating length Effective heated section
Voltage and power 230V 1000W, 400V 3000W, etc.
Tube section Dual-tube size or measured dimensions
Coating direction Gold reflector side and working side
End cap style Ceramic cap, metal cap, pin, lead wire, or special connector
Lead wire length Standard or customized
Terminal type Ring terminal, spade terminal, bare wire, plug, or pin
Application Plastic welding, sealing, forming, preheating
Installation photo Holder, bracket, wiring position, and heating module

If the original lamp marking is unclear, clear photos of the lamp body, both ends, coating side, and installation position can help confirm the correct replacement design.


Integration with Plastic Welding Equipment

Dual-tube gold IR lamps can be installed as individual heating elements or arranged in heating modules. A complete infrared plastic welding or sealing system may include:

  1. Dual-tube gold infrared lamps.

  2. Reflector housing or lamp cassette.

  3. Ceramic holders or metal mounting supports.

  4. SCR power controller or thyristor regulator.

  5. PID temperature controller.

  6. Infrared thermometer or thermocouple feedback.

  7. Pressing, clamping, or positioning structure.

  8. PLC or HMI control interface.

  9. Cooling or air extraction structure when required.

For plastic welding, the lamp should be selected together with the pressing method, heating distance, exposure time, plastic material, and temperature control method.


Plastic Welding Process Considerations

Before selecting the lamp, confirm the actual welding or heating process.

Process Factor Why It Matters
Plastic Material PP, PE, PVC, ABS, PC, PET, and filled materials absorb heat differently
Part Thickness Thicker parts may need more heating time or power
Welding Width Determines lamp length and heating zone width
Heating Distance Affects intensity and uniformity
Cycle Time Determines required response speed and power density
Pressing Method Affects final welding strength and deformation control
Surface Color Dark and light plastics absorb infrared differently
Temperature Feedback Helps improve repeatability in production

Manufacturing and Quality Control

YFR manufactures quartz infrared lamps for plastic welding, sealing, drying, curing, forming, and industrial heating applications. For dual-tube gold infrared lamps, production focuses on quartz tube quality, filament positioning, reflector coating, end sealing, electrical performance, lead wire assembly, and mechanical consistency.

Main inspection points include:

  1. Quartz tube visual inspection.

  2. Filament and support structure inspection.

  3. Tube sealing process control.

  4. Gold reflector coating appearance and orientation check.

  5. End cap and lead wire assembly inspection.

  6. Electrical resistance and power matching.

  7. Insulation and safety inspection according to order requirements.

  8. Final visual inspection and packaging protection.


Frequently Asked Questions

What is a dual-tube gold infrared heating lamp?

It is a quartz infrared heating lamp with a twin-tube structure and gold reflector coating. It is used for focused radiant heating in plastic welding, sealing, forming, and custom industrial heating systems.

Why use a gold reflector coating?

The gold reflector helps direct infrared radiation toward the working side of the lamp. This is useful when the heating system needs one-sided or localized heating.

Is this lamp suitable for plastic welding?

Yes. It can be used for plastic welding, heat sealing, localized preheating, forming, and bonding applications. The final result depends on material, distance, power, exposure time, and process control.

Can YFR customize the lamp?

Yes. Length, voltage, power, tube structure, coating direction, end cap, lead wire, terminal, and mounting method can be customized according to your machine.

Can this replace my existing welding lamp?

Yes, if the dimensions, voltage, power, coating direction, end structure, and terminals match. Please send the original lamp photos, markings, dimensions, and installation pictures for checking.

What information should I provide for quotation?

Please provide lamp length, heating length, voltage, power, tube section, coating direction, end cap type, lead wire length, terminal type, quantity, and application.



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