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In the field of precious metal processing, CDOCAST wire annealing furnace is an advanced solution specifically designed for annealing fine wires with diameters ranging from 0.03 mm to 2 mm. Ideal for annealing gold, silver, platinum, palladium, and other special alloys, this furnace plays a crucial role in industries such as jewelry manufacturing, electronics, and high-precision engineering.
*1. Precision Heating Process
The furnace utilizes an advanced resistance heating system to achieve a highly uniform temperature distribution. Depending on the material, the annealing temperature can be precisely set—typically 300°C to 600°C for gold and silver, and up to 800°C for platinum and palladium. A user-friendly touchscreen HMI allows operators to program custom temperature profiles based on different wire types and production requirements.
*2. Soaking Stage for Optimized Structure
Upon reaching the target temperature, the system maintains a stable soaking time to ensure complete recrystallization of the metal. This eliminates internal stresses induced during wire drawing or forming, thereby enhancing ductility and structural uniformity.
*3. Rapid Water Cooling System
An integrated water tank enables direct quenching of the annealed wire, facilitating rapid cooling, refining the grain structure, and improving mechanical properties.
*4. Servo-Controlled Wire Tension System
To prevent tangling and ensure smooth processing, servo motors automatically regulate wire tension throughout the annealing and coiling processes. This is particularly critical for ultra-fine wires where consistency is paramount.
*5. Ammonia Dissociation Bright Annealing (Optional)
For applications requiring superior surface finish, an ammonia dissociation unit can be integrated. This system generates a hydrogen-rich atmosphere, reducing surface oxides to produce bright, clean wire free from discoloration or oxidation.
Interested in optimizing your wire annealing process? Contact us today for a solution tailored to your needs!
| Model number | CDO-WA1 |
| Voltage | Single phase 220V, 50/60Hz |
| Power | 6.5kw |
| Heating current | 18A |
| Gas consumption | Nitrogen 2-3L/M |
| Maximum temperature | 1000℃ |
| Application metal | Gold, silver, copper, platinum, etc. |
| Wire diameter | 0.03-2mm |
| Dimension | 2100*850*1830mm |
| Weight | 350KG |
1. An annealing furnace is usually capable of reaching higher temperatures to anneal metal. Depending on the needs of different precious metals, the stripping furnace can be heated to hundreds of degrees Celsius or even 1000°C.
2. The stripping furnace is usually equipped with a high-precision temperature control system to ensure that the temperature in the furnace is maintained within a stable and accurate range. This is crucial for the annealing process, because the physical properties and performance of metals vary significantly at different temperatures, and precise temperature control can ensure the consistency and effectiveness of metal annealing treatments.
3. The CDOCAST stripping furnace is equipped with an automated control system. Users can monitor and adjust parameters such as temperature, time and atmosphere through the touch screen. Automated control not only improves production efficiency, but also reduces errors and safety hazards in manual operations.
4. Modern stripping furnaces are usually designed to be easy-to-maintain structures. The heating elements and atmosphere control systems in the furnace can be easily inspected and replaced to ensure long-term stable operation of the equipment.
From ultra-fine precious metal wires to a broader range of industrial alloys, CDOCAST wire annealing furnace offers unparalleled flexibility, precision, and ease of operation. With its programmable controls, tension management, and optional bright annealing capabilities, it is the ideal choice for manufacturers pursuing quality, repeatability, and efficiency.
1. Enhanced Ductility and Formability
Annealing restores the metal’s ductility, making it easier to shape, coil, or braid—which is especially important in the production of jewelry and microelectronic components.
2. Elimination of Internal Stresses
By removing stresses caused by cold working, the furnace minimizes the risk of cracking or breakage in fine, delicate wires, thereby improving yield and reliability.
3. Superior Surface Quality
Equipped with optional atmosphere control and rapid cooling, the system prevents oxidation and contamination, delivering a clean, bright finish ready for immediate use.
✔ Jewelry Manufacturing: Annealing gold and silver wires for chains, filigree, and decorative elements.
✔ Electronics & Micro-engineering: Production of bonding wires, lead frames, and conductive components.
✔ Special Alloy Processing: Annealing platinum and palladium wires for sensors, catalysts, and medical devices.
CDOCAST Provide 2 Warranty time , and during the warranty time we will be responsible for the all aftersales service & spare parts for free
CDOCAST Provide more value & turnkey Solution to Metal Melting & Casting According to Each Customer
We owe it to each of our customers, CDOCAST adopt world famous brand components to improve our machine working performance.
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