Local and Full Length Tube Annealing Equipment

Zhaoqing Feihong Machinery & Electrical Co., Ltd, established in 1992, is a professional manufacturer dedicated to full-set heating tube processing equipment R&D and production. The customized Local and Full Length Tube Annealing Equipment is one of our core heat treatment devices, perfectly matching the post-forming processing of various industrial and civil heating tubes. Cooperated with our pipe shrinking machines, tube filling machines and bending equipment, this annealing equipment greatly improves the yield and processing precision of heating tube products for global manufacturing enterprises.

Equipment Core Functions

Engineered for post-shrinking and post-filling heating tube modification, this professional annealing equipment focuses on solving common production defects of metal heating tubes, realizing flexible heat treatment for different processing scenarios.

1. Full-length integral annealing: Realize uniform heating and softening for the entire heating tube, thoroughly eliminate overall metal stress and surface hardness
2. Precise local segmented annealing: Target fixed areas of tubes for partial softening, avoiding excessive softening of non-processing areas
3. Defect repair optimization: Effectively improve tube brittleness, micro-bending and tube explosion risks caused by cold shrinking processing

With flexible switching of two annealing modes, the equipment meets the diversified production standards of ordinary mass-produced heating tubes and customized special-shaped heating tubes.

Structural Design Advantages

Different from single-functional traditional annealing devices on the market, Feihong Local and Full Length Tube Annealing Equipment adopts optimized short-circuit heating structure and modular design, bringing outstanding practical advantages for industrial production:

● Modular assembly design: Support independent installation of automatic feeding structure according to production line demands, realizing semi-automatic or fully automatic production switch
● Stable power output: 35-80KW adjustable power configuration, ensuring uniform heating temperature and consistent annealing effect for tubes of different specifications
● High compatibility: Adapt to all conventional heating tubes processed by Feihong pipe shrinking equipment, compatible with industrial, civil and aerospace heating tube production
● Space-saving structure: Compact body design, reasonable internal layout, suitable for various factory workshop installation environments

Complete Technical Parameters

All technical parameters of this equipment are standardized and tested in Feihong’s 6 professional workshops, with stable and verifiable data, fully meeting industrial large-scale production requirements.

Technical Parameter	Standard Specification
Equipment Model	FH-147
Rated Power Range	35KW - 80KW
Annealing Processing Length	100mm - 4000mm
Single Operation Quantity	1-4 branches per time
Working Voltage	Three-phase 380V
Working Air Pressure	0.6Mpa
Overall Dimension (1m tube)	1100*650*800mm
Net Weight	500KG

Product Differentiation Comparison

We have sorted out the core differences between Feihong Local and Full Length Tube Annealing Equipment and ordinary single-mode annealing machines on the market, helping customers quickly select high-cost-performance heat treatment equipment.

Comparison Item	Feihong Dual-Mode Annealing Equipment	Ordinary Single-Mode Annealing Machine
Annealing Mode	Support local & full-length dual annealing, free switching	Only single full-length annealing, unable for partial processing
Processing Adaptability	Suitable for standard and customized special heating tubes	Only applicable for unified standard tube products
Automation Expansion	Support customized automatic feeding assembly	Fixed manual feeding, no automation expansion space
Product Yield	Low defective rate, precise stress removal	High local softening failure rate for special tubes
Service Life	Long service life with self-produced precision accessories	Short service life with purchased ordinary accessories

Industrial Application Fields

Relying on dual-mode annealing performance,the equipment is widely used in multiple fields covered by Feihong heating tube equipment, realizing targeted heat treatment for different heating element products:

1. Civil daily electrical appliance heating tubes: Softening treatment for electric oven, water heater and electric heating tube after shrinking forming
2. Industrial cable supporting heating tubes: Stress relief and hardness reduction for industrial special cable heating tubes
3. Hot runner system heating tubes: Precise local annealing for bending reserved areas of precision hot runner heating tubes
4. Aerospace and military mechanical heating tubes: Whole tube uniform softening for high-standard special alloy heating tubes

The equipment can form a complete automated production line with Feihong pipe straightening machines, pipe bending machines and magnesium oxide powder filling machines, greatly improving overall production efficiency.

Manufacturing & Quality Guarantee

As a professional equipment supplier with 30 years of manufacturing experience, Feihong has complete factory configuration and quality control systems to ensure every set of Local and Full Length Tube Annealing Equipment reaches industrial high standards.

● Complete factory layout: 6 professional workshops including pipe shrinking workshop, machining center and equipment assembly workshop, realizing one-stop production from parts processing to finished machine assembly
● Precision processing equipment: Equipped with more than 8 sets of professional manufacturing equipment to ensure the precision of equipment accessories and assembly accuracy
● Mature R&D system: Long-term commitment to the R&D of special heating tube equipment, capable of developing customized annealing solutions for customers’ special product needs
● Global service system: Recruit global cooperative agents to provide localized after-sales service and technical support for overseas customers

Common Customer FAQ

Q1: What tube length range is suitable for this dual-mode annealing equipment?

A1: Feihong Local and Full Length Tube Annealing Equipment supports a wide annealing length range of 100mm to 4000mm, covering short precision heating tubes and long industrial heating tubes. Whether it is small-size household heating elements or large-size industrial supporting tubes, it can complete stable annealing processing, meeting the production needs of different specifications of heating tubes.

Q2: Does local annealing affect the structural stability of the unprocessed tube area?

A2: No. The equipment adopts precise short-circuit fixed-point heating technology, which can accurately control the heating range and temperature. It only softens and removes stress in the designated local area, will not cause temperature diffusion and deformation of non-processing areas, and effectively maintains the overall structural strength and surface quality of the heating tube.

Q3: Is the equipment suitable for mass continuous industrial production?

A3: Absolutely. The equipment supports 1-4 tubes simultaneous processing in a single operation, with stable 380V three-phase voltage and 0.6Mpa standard air source configuration. It can be equipped with an automatic feeding structure to realize uninterrupted continuous production. It is specially designed for medium and large heating tube factories, effectively improving mass production efficiency and reducing manual operation costs.

Q4: Can the equipment be adjusted for different tube hardness requirements?

A4: Yes. The equipment adopts 35-80KW adjustable power design. According to the raw material hardness, tube wall thickness and processing requirements of different heating tubes, the staff can flexibly adjust the heating power and annealing time to achieve the best softening and stress removal effect, meeting diverse product quality standards.

Equipment Overall Value

Feihong Local and Full Length Tube Annealing Equipment breaks through the limitation of single annealing mode of traditional equipment, perfectly balances precision local processing and efficient full-length processing. With reliable factory manufacturing strength, flexible customized functions and stable technical performance, it effectively solves various quality problems in heating tube post-processing, helps manufacturing enterprises reduce defective product rate, optimize production processes, and create higher production benefits.