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Hardware product industrial oven is a heat treatment equipment designed specifically for metal parts processing (such as hardware, fasteners, stamping parts, etc.), mainly used for drying, curing, preheating, annealing, quenching and other processes to ensure product rust prevention, wear resistance or surface coating quality.
Main application
. Surface treatment: drying electrophoretic paint, powder coating, electroplating layer, etc.
. Heat treatment: annealing (stress relief), quenching (hardness improvement), tempering (toughness adjustment).
. Rust prevention protection: drying or passivation treatment after applying rust prevention oil.
. Clean and dry: Remove moisture or solvent residue after cleaning.
Core Features
. High temperature performance: Common temperature range * * 80 ℃~400 ℃ * * (special processes can reach above 600 ℃).
. Corrosion resistant design: The inner liner is made of * * stainless steel or plated aluminum plate * *, which is resistant to coating or chemical vapor corrosion.
. Strong wind circulation: The multi fan system ensures even distribution of heat and avoids local overheating and deformation of hardware components.
. Explosion proof option: For processes containing volatile solvents (such as paint drying), equipped with explosion-proof motors and pressure relief devices.
Customized structure:
. Multi layer tray or hanger design, suitable for workpieces of different shapes (such as screws, metal mesh, sheet metal parts).
. Conveyor belt type (tunnel furnace) is suitable for continuous large-scale production.
Common types
| Type | application | advantage |
| Box type oven | Small batch, multi variety hardware components | Flexible temperature control, simple operation |
| Tunnel oven | Continuous drying after assembly line spraying (such as screws, metal brackets) | Efficient and energy-saving, high degree of automation |
| vacuum oven | Precision hardware without oxidation annealing or dehumidification | Prevent metal oxidation and maintain surface smoothness |
The hardware product oven ensures the performance and appearance quality of metal workpieces through precise temperature control and adaptive design, and is a key equipment in the hardware processing industry chain.
Application in PVD
Industrial ovens play an important role in the PVD (Physical Vapor Deposition) vacuum plating process, mainly used in the pre-treatment and post-treatment stages, directly affecting the quality and adhesion of the coating. The following are its specific applications and key points:
1. Application in the preprocessing stage
. Baking degassing
Function: Remove moisture, oil, or volatile organic compounds adsorbed on the surface of the substrate, and prevent coating defects (such as bubbles and peeling) caused by gas release in a vacuum environment.
. Process requirements:
Temperature: usually 100-300 ℃ (adjusted according to the material's temperature resistance, such as plastic substrates requiring a low temperature of 80-120 ℃).
Time: 1-4 hours, slow heating is required to avoid stress cracking.
Inert gas protection (optional): prevents oxidation.
Cleaning and activation
After cleaning with solvent, baking further removes residual solvents and enhances the adhesion of the coating.
2. Application in post-processing stage
. Annealing for solidification
Function: Eliminate internal stress in PVD coatings, improve density and hardness, optimize optical or electrical properties.
. Process requirements:
Metal coating: 200~400 ℃ (such as stainless steel, titanium alloy).
Plastic substrate: Low temperature curing (≤ 150 ℃) to avoid deformation.
Coating aging test
Simulate the coating durability through constant temperature baking (such as 85 ℃/1000 hours) to evaluate the anti-aging performance.
3. Precautions for different substrates
Metal substrate: can be baked at high temperatures (such as above 300 ℃), but attention should be paid to the risk of oxidation.
Plastic substrates (ABS, PC, etc.): Strictly control the temperature (≤ 120 ℃) to avoid deformation or release of gas.
Complex workpieces require the design of specialized fixtures to ensure even circulation of hot air.
4. Common problems and solutions
Poor adhesion of coating: Check if the baking temperature is insufficient or the time is too short.
Substrate deformation: Reduce the heating rate or adjust the fixture support.
Pollution: Regularly clean the inner walls of the oven to avoid cross contamination.
Industrial ovens significantly improve the reliability and appearance quality of coatings through precise temperature control and degassing treatment in PVD technology. When selecting, it is necessary to match the substrate characteristics (temperature resistance, size) and process requirements (such as vacuum compatibility), while combining with automated loading and unloading design can further improve efficiency.
Hardware product industrial oven is a heat treatment equipment designed specifically for metal parts processing (such as hardware, fasteners, stamping parts, etc.), mainly used for drying, curing, preheating, annealing, quenching and other processes to ensure product rust prevention, wear resistance or surface coating quality.
Main application
. Surface treatment: drying electrophoretic paint, powder coating, electroplating layer, etc.
. Heat treatment: annealing (stress relief), quenching (hardness improvement), tempering (toughness adjustment).
. Rust prevention protection: drying or passivation treatment after applying rust prevention oil.
. Clean and dry: Remove moisture or solvent residue after cleaning.
Core Features
. High temperature performance: Common temperature range * * 80 ℃~400 ℃ * * (special processes can reach above 600 ℃).
. Corrosion resistant design: The inner liner is made of * * stainless steel or plated aluminum plate * *, which is resistant to coating or chemical vapor corrosion.
. Strong wind circulation: The multi fan system ensures even distribution of heat and avoids local overheating and deformation of hardware components.
. Explosion proof option: For processes containing volatile solvents (such as paint drying), equipped with explosion-proof motors and pressure relief devices.
Customized structure:
. Multi layer tray or hanger design, suitable for workpieces of different shapes (such as screws, metal mesh, sheet metal parts).
. Conveyor belt type (tunnel furnace) is suitable for continuous large-scale production.
Common types
| Type | application | advantage |
| Box type oven | Small batch, multi variety hardware components | Flexible temperature control, simple operation |
| Tunnel oven | Continuous drying after assembly line spraying (such as screws, metal brackets) | Efficient and energy-saving, high degree of automation |
| vacuum oven | Precision hardware without oxidation annealing or dehumidification | Prevent metal oxidation and maintain surface smoothness |
The hardware product oven ensures the performance and appearance quality of metal workpieces through precise temperature control and adaptive design, and is a key equipment in the hardware processing industry chain.
Application in PVD
Industrial ovens play an important role in the PVD (Physical Vapor Deposition) vacuum plating process, mainly used in the pre-treatment and post-treatment stages, directly affecting the quality and adhesion of the coating. The following are its specific applications and key points:
1. Application in the preprocessing stage
. Baking degassing
Function: Remove moisture, oil, or volatile organic compounds adsorbed on the surface of the substrate, and prevent coating defects (such as bubbles and peeling) caused by gas release in a vacuum environment.
. Process requirements:
Temperature: usually 100-300 ℃ (adjusted according to the material's temperature resistance, such as plastic substrates requiring a low temperature of 80-120 ℃).
Time: 1-4 hours, slow heating is required to avoid stress cracking.
Inert gas protection (optional): prevents oxidation.
Cleaning and activation
After cleaning with solvent, baking further removes residual solvents and enhances the adhesion of the coating.
2. Application in post-processing stage
. Annealing for solidification
Function: Eliminate internal stress in PVD coatings, improve density and hardness, optimize optical or electrical properties.
. Process requirements:
Metal coating: 200~400 ℃ (such as stainless steel, titanium alloy).
Plastic substrate: Low temperature curing (≤ 150 ℃) to avoid deformation.
Coating aging test
Simulate the coating durability through constant temperature baking (such as 85 ℃/1000 hours) to evaluate the anti-aging performance.
3. Precautions for different substrates
Metal substrate: can be baked at high temperatures (such as above 300 ℃), but attention should be paid to the risk of oxidation.
Plastic substrates (ABS, PC, etc.): Strictly control the temperature (≤ 120 ℃) to avoid deformation or release of gas.
Complex workpieces require the design of specialized fixtures to ensure even circulation of hot air.
4. Common problems and solutions
Poor adhesion of coating: Check if the baking temperature is insufficient or the time is too short.
Substrate deformation: Reduce the heating rate or adjust the fixture support.
Pollution: Regularly clean the inner walls of the oven to avoid cross contamination.
Industrial ovens significantly improve the reliability and appearance quality of coatings through precise temperature control and degassing treatment in PVD technology. When selecting, it is necessary to match the substrate characteristics (temperature resistance, size) and process requirements (such as vacuum compatibility), while combining with automated loading and unloading design can further improve efficiency.
