Box-type furnace unit tempering (normalizing) heat treatment automatic line
This production line consists of a box-type heating furnace, a box-type tempering furnace, a quenching tank, a rapid cooling platform for normalizing, loading and unloading platforms, a three-axis quenching machine, and a fully automatic control system for the entire production line. It is equipped with a protective atmosphere supply function. The entire production line adopts centralized control, enabling batch processing of workpieces without the need for material trays. The system automatically retrieves workpieces from the upper platform into the heating furnace, then automatically performs the quenching (normalizing), tempering, and further normalizing processes once the required procedures are completed. On the touch-screen interface, users can program multiple process sequences and record all furnace data—including workpiece numbers, material numbers, operator information, temperatures, process durations, alarm records, and process curves. Operators can access and review both current and historical data at any time.
Category:
Box (Well) Type Furnace Unit – Automatic Line for Quenching and Tempering (Normalizing) Heat Treatment
Keywords:
box-type heat Fire troug
Product Description
I. Overview
This production line comprises a box-type heating furnace, a box-type tempering furnace, a quenching tank, a rapid cooling platform for normalizing, loading and unloading platforms, a three-axisquenching machine, and a fully automatic control system for the entire production line. It is equipped with a protective atmosphere supply function. The entire production line adopts centralized control, enabling batch processing of workpieces without the need for material trays. The system automatically retrieves workpieces from the upper platform into the heating furnace, then automatically carries out the entire process—including quenching (normalizing), tempering, and further normalizing—once the process is complete. On the touch-screen interface, operators can program multiple process sequences and record all furnace data (including workpiece numbers, material numbers, operator information, temperatures, process durations, etc.), as well as alarm notifications and process curves. Operators can access and review both current and historical data at any time.
The box-type heating furnace (tempering furnace) consists of a furnace body, furnace lining, furnace door, furnace door lifting mechanism, furnace door closing and sealing pressurization device, electric heating (or gas heating) system, forced air circulation system inside the furnace, gas supply control system, heating control system, safety guard, and maintenance platform. The equipment will automatically carry out the entire process—from loading workpieces into the furnace, to heating, holding at temperature, and finally unloading—according to the programmed process sequence.
II. Equipment Control Features
1. Includes floor plans of the entire production line and individual equipment units, with areas delineated by different colors. The diagrams also show the operational status of each individual piece of equipment, its processing steps, basic position status, temperature setpoints, and real-time temperature values.
2. Process parameters: Includes part name, process number, and various process parameters such as temperature and time.
3. Fault Alarm: Includes displaying current faults and displaying historical faults.
4. Data Recording: By moving the cursor left or right, you can display the data at the cursor’s position and also zoom in and out.
III. Multi-axis X-Y-Z Three-Axis Interlinked Transfer Machine (Quenching Machine)
The three-axis transfer machine, featuring a 3D fork-type X-Y-Z configuration and controlled by a PLC, enables fully automatic lateral movement of the large carriage, longitudinal movement of the material-fork trolley, and vertical lifting and lowering of the material fork. It facilitates the transfer of workpieces between the heating furnace, quenching tank, rapid cooling platform, and preparation table. The heating furnace’s workpiece quenching process and all quenching tanks consist of a tank body, a circulating cooling system, an underwater forced-agitation system, a liquid-level detection device, a temperature-measurement device, and a control system. Multiple sets of underwater forced-agitation devices are installed inside the tank (around the sides and at the bottom). The underwater agitators mounted on the tank walls can adjust their agitation speed according to the direction of liquid flow, and their variable-frequency speed control enables precise regulation of fluid flow velocity and flow rate. The circulating cooling system is used to cool the quenching liquid, thereby ensuring that the quenching liquid maintains a controlled temperature range during the quenching process of the workpieces.
4. The normalizing rapid-cooling chamber is used for normalizing workpieces after heating, or for the temporary storage of workpieces awaiting heating. The normalizing rapid-cooling chamber consists of a material platform, support frame, air-collection hood, and fan, among other components.
V. Complete Set of Components for the Box-Type Heat Treatment Machine
One or more sets of box-type heating furnaces, one or more sets of box-type tempering furnaces, one loading and unloading platform, one normalizing rapid-cooling chamber, one multi-fork X-Y-Z three-axis联动 transfer machine (quenching machine), one or more sets of PAG (water-based) quenching tanks with stirring mechanisms, one or more sets of quenching oil tanks with stirring mechanisms. Each set of box-type furnace comprises: temperature control system, mechanical control system; each set of quenching tank includes: temperature control system, liquid-level mechanical control system, central control system, track system, drag chain, and other auxiliary systems.
VI. Complete Set of Components for Well-Type Heat Treatment Machine
One or more pit-type heating furnaces, one or more pit-type tempering furnaces, one set of loading and unloading platforms, one set of normalizing rapid-cooling chambers, one set of semi-gantry multi-claw transfer machines (quenching machines), one or more sets of PAG (water-based) quenching tanks with stirring mechanisms, one or more sets of quenching oil tanks with stirring mechanisms. Each pit-type furnace comprises: temperature control system, mechanical control system; each quenching tank comprises: temperature control system, liquid-level mechanical control system, central control system, track system, drag chain, and other auxiliary systems.
7. Specifications and Technical Parameters of the Automatic Heat Treatment Line for Tempering (Normalizing) of Box-Type Units
| Model | AXXL-3 | AXXL-4 | AXXL-5 | AXXL-8 | AXXL-10 |
| Maximum loading capacity of the furnace (including tooling) | 3 tons | 4 tons | 5 tons | 8 tons | 10 tons |
| Common production capacity (including tooling) | 2.5 tons | 3.4 tons | 4.2 tons | 6.8 tons | 8.5 tons |
| Heating furnace model | AXXL9-100×180×50 | AXXL9-120×200×60 | AXXL9-120×240×60 | AXXL9-140×260×80 | AXXL9-140×280×80 |
| Heating furnace working dimensions | 1000×1800×500mm | 1200×2000×600mm | 1200×2400×600mm | 1400×2600×800mm | 1400×2800×800mm |
| Electric heating power of the furnace | 210kw | 270kw | 320kw | 400kw | 480kw |
| Natural gas heating capacity of the furnace | 400kw | 400kw | 720kw | 720kw | 1080kw |
| Tempering furnace model | AXXL6-100×180×50 | AXXL6-120×200×60 | AXXL6-120×240×60 | AXXL6-140×260×80 | AXXL6-140×280×80 |
| Tempering furnace working dimensions | 1000×1800×500mm | 1200×2000×600mm | 1200×2400×600mm | 1400×2600×800mm | 1400×2800×800mm |
| Tempering furnace electric heating power | 150kw | 180kw | 210kw | 270kw | 320kw |
| Tempering furnace natural gas heating capacity | 240kw | 360kw | 400kw | 600kw | 720kw |
| Inner cavity dimensions of quenching oil (PAG, water) tank | 3000×3900×2700mm | 3500×4400×2800mm | 4000×4900×2800mm | 5500×5000×3200mm | 6500×5000×3200mm |
| Maximum transfer capacity of multi-claw semi-gantry cranes | 4 tons | 5 tons | 6 tons | 10 tons | 12 tons |
| Heating furnace to quenching tank transfer time | ≥30S | ≥35S | ≥40S | ≥45S | ≥50S |
| Working dimensions of the normalizing rapid cooling chamber | 1000×1800×500mm | 1200×2000×600mm | 1200×2400×600mm | 1400×2600×800mm | 1400×2800×800mm |
| Loading and unloading platform working dimensions | 1000×1800×500mm | 1200×2000×600mm | 1200×2400×600mm | 1400×2600×800mm | 1400×2800×800mm |
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