Spheroidizing Annealing Furnace for Fastener Wire Parameter Table
| Item | Specification |
|---|---|
| Furnace Type | Vertical Spheroidizing Annealing Furnace |
| Application | Fastener wire heat treatment |
| Process | Spheroidizing annealing |
| Heating Method | Natural gas heating |
| Protective Atmosphere | Nitrogen + Methanol decomposition gas |
| Loading Capacity | 16-36 tons/batch |
| Effective Loading Size | Φ2400-3600mm |
| Furnace Control | PLC automatic control |
| Customization | Available according to production requirements |
Spheroidizing Annealing Furnace Advantages
Improved Cold Heading Performance
After spheroidizing annealing, the internal structure of the wire becomes more suitable for cold forming.
- Reduce forming resistance
- Improve material ductility
- Lower the risk of cracking during heading operations
Better Machining and Forming Consistency
The controlled annealing process helps maintain consistent hardness and improves production reliability during:
- Heading
- Thread rolling
- Secondary machining processes
Spheroidizing Process Control
The furnace is designed for long-cycle spheroidizing annealing processes.
Heating, soaking, and cooling parameters can be adjusted according to:
- Material grade
- Wire diameter
- Production requirements
Large Capacity Coil Processing
The vertical furnace structure is suitable for processing wire coils.
Compared with batch furnaces for individual parts, this design allows:
- Convenient coil loading
- Better utilization of furnace space
- Processing of large quantities of wire materials
This furnace is mainly used for spheroidizing annealing of steel wires before cold forming processes.
- Typical materials include:
- Carbon steel wire
- Medium carbon steel wire
- Alloy steel wire
- Cold heading quality wire (CHQ wire)
- Common applications:
- Automotive bolts
- Nuts
- Screws
- Stud bolts
- Threaded fasteners
Why Choose CHTEE's Well Type Annealing Furnace
Experience in Fastener Heat Treatment Equipment
CHTEE develops industrial heat treatment furnaces for applications including fasteners, wire materials, bearings, and mechanical components.
The equipment is designed around actual production requirements rather than standard furnace configurations.
Designed for Wire Processing Manufacturers
For fastener manufacturers, furnace selection depends on:
- Wire diameter range
- Coil weight
- Required output
- Annealing cycle
- Material grade
CHTEE provides customized solutions based on these production factors.
Complete Technical Support
From furnace design and manufacturing to installation and commissioning, CHTEE provides technical support to help customers establish reliable annealing processes.
FAQ
1. Why does fastener wire need spheroidizing annealing?
Spheroidizing annealing improves the structure of steel wire and reduces hardness, making the material easier to form during bolt, nut, and screw production.
2. What types of fastener wire can this furnace process?
It can process carbon steel wire, alloy steel wire, cold heading quality wire, and other materials used for fastener manufacturing.
3. Is this furnace suitable for bolt and nut production?
Yes. It is commonly used for wire materials before cold heading production of bolts, nuts, and screws.
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