Copper Annealing Furnace

Copper Annealing Furnace for Stress Relief and Bright Finish Processing | Industrial Gas-Fired Thermal Solution

JIANGSU YINUO THERMAL ENERGY TECHNOLOGY CO., LTD builds advanced Copper Annealing Furnace systems. They are made for precise heat processing of copper and copper alloys. On our gas-fired bogie hearth furnace, working temperatures run from 550℃ to 950℃. Temperature uniformity holds at ≤±8℃, and control precision stays at ≤±2℃. A 350mm refractory fiber lining comes as part of the build, and furnace chamber dimensions can be customized. Wire drawing, tube manufacturing, and electrical component production all bring hard problems that this product solves. Our 20,000㎡ production facility backs the work, along with 80 million yuan in fixed assets. Over 100 specialized engineers sit on the team. Complete thermal solutions come with it, from design through commissioning.

What Makes Our furnace Different?

Your production line needs heat treatment it can count on. Work-hardening has to go, and surface oxidation has to be kept off the parts. Smart design inside our system takes on both of those problems directly.

Loading stays flexible with the bogie hearth layout, whatever size the workpieces happen to be. Copper tubes go in. So do wire coils and electrical components. No rigid dimensional limits get in the way. Your requirements shape the furnace chamber. Products never have to be squeezed into standard sizes.

Material properties depend on steady temperature. Heat stays even across the whole chamber, thanks to our multi-zone independent control system. Conventional furnaces get hardness variations and deformation problems. Ours does not. Copper comes out with ductility you can predict and a grain structure that stays consistent.

Lower energy use means much lower operating costs for you. Heat radiation loss shrinks because of the multi-layer composite fiber lining. Next to ordinary heating furnaces, this product cuts energy consumption by 25%–48%. Cheaper fuel shows up right away in better profit margins on every production run.

You get operational flexibility from the switchable combustion system. Rapid heating calls for pulse combustion. Longer soaking cycles work better in regenerative mode. One furnace platform can then handle many different heat treatment processes.

Technical Specifications

Key Applications in Industrial Processing

The right heat treatment for your copper parts depends on what they will be used for. Three main jobs in industry are handled by our Copper Annealing Furnace.

Wire and Cable Manufacturing: Drawing makes copper wire hard and brittle. Annealing brings the ductility back. Later steps, such as stranding or putting on insulation, then go ahead without trouble. A controlled atmosphere keeps the surface from oxidizing. Oxidation would cut electrical conductivity.

HVAC and Plumbing Tubing: Copper tube has to be soft enough to install on site. Technicians bend and flare it, and it must not crack. Stress relief annealing takes out the internal stresses. The tube still keeps the structural strength that high-pressure refrigerant systems need.

Power Electronics Components: Battery busbars and semiconductor connectors need surfaces free of oxygen. Oxidation, even at a microscopic level, pushes resistance up. Higher resistance then makes heat when high currents flow. Tight temperature control relieves stress completely, and the copper's electrical properties stay intact.

Strong Performance Features of the Copper Annealing Furnace

You need consistent outcomes from batch to batch in manufacturing. Through strong engineering our system offers.

The boiler door is propelled by electric hoist with speed of 6m/min and wedge lock structure. Rapid cycling leads to less non-productive time between batches. Your operators can run with higher throughput without compromising safety or temperature stability.

The self-propelled bogie design facilitates full withdrawal from the furnace chamber. Workpieces can be loaded outside the hot zone, increasing operator comfort and lowering heat exposure. The chain drive technology ensures steady mobility even in big weights.

The furnace has several exhaust outlets on the top and side walls to enable efficient disposal of combustion gas. The chimney of the Copper Annealing Furnace rises at least 2 meters above the roof of your factory in an effort to meet environmental standards and to provide ideal draft conditions.

FAQ

Q: How does the furnace prevent surface discoloration on copper?

A: The controlled heating rate of 50–200℃/h combined with proper exhaust management minimizes oxidation. For bright finish requirements, you can integrate inert gas purging systems based on your specific quality standards.

Q: Can the system handle varying coil sizes in the same batch?

A: Yes, the customizable chamber dimensions and bogie loading method accommodate mixed workpiece configurations. Temperature uniformity remains consistent regardless of loading pattern variations.

Q: What maintenance intervals should we expect?

A: The refractory fiber lining typically requires inspection every 500 operating hours. Control thermocouples need calibration every 3–6 months depending on usage intensity to maintain the ≤±2℃ precision.

Q: How quickly can the furnace change between temperature setpoints?

A: Heat can be ramped in a controlled way, because the heating rate is adjustable. Process changes are handled too. Inside the parameters you set, the system moves from 550℃ to 950℃ safely, and workpieces take no thermal shock.

Q: Do you offer customization for special processes?

A: Yes, no question. Chamber sizes get built around your process. So do the temperature control zones and the burner setup. Your heat treatment requirements drive all of it, and our engineering team does the design work.

Partner With Thermal Processing Experts

Ready to improve your Copper Annealing Furnace processing quality and efficiency? Contact our engineering team at info@yinuofurnaces.com to discuss your specific application requirements.