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Infrared Heating to Remove Burrs From Injection Molded Parts
- Categories:IR Heating Applications
- Author:E-DEN Lighting
- Origin:E-DEN IR Lighting
- Time of issue:2025-04-16
- Views:0
(Summary description)During the injection molding process, burrs (flash) may form on the edges of parts due to mold gaps or excessive material fluidity. Traditional methods for deburring include mechanical trimming (knife, stamping), freezing deburring (low temperature embrittlement) or manual grinding, but these methods have problems such as low efficiency, damage to the surface of parts or high costs.
Infrared heating technology uses non-contact precision heating to avoid mechanical damage, soften or melt burrs, making them easy to remove or automatically fall off, especially suitable for precision parts or thermoplastic materials (such as ABS, PP, PC, etc.).
1. Part positioning: The robot removes the injection molded part from the mold and fixes it to the infrared heating station to achieve fully automatic deburring.
2. Local heating: Heating is only for the burr area, and energy consumption is more than 50% lower than traditional hot air heating.
Use short-wave infrared lamps (wavelength 0.8-1.4μm) to radiate the burr area in a directional manner, and the heating time is usually 1-5 seconds (adjusted according to the material thickness).
Temperature control: The infrared lamp power is adjustable, and it is monitored in real time with a thermocouple or infrared thermometer to ensure that the burr temperature rises to the softening point of the material (such as about 105-120°C for ABS), but avoid overheating of the main body of the part.
3. Burr removal: The softened burrs are automatically removed by slight mechanical vibration, air flow blowing or a touch of the robot. For complex structural parts, laser cutting or robot flexible grinding can be combined for secondary processing.
Infrared Heating to Remove Burrs From Injection Molded Parts
(Summary description)During the injection molding process, burrs (flash) may form on the edges of parts due to mold gaps or excessive material fluidity. Traditional methods for deburring include mechanical trimming (knife, stamping), freezing deburring (low temperature embrittlement) or manual grinding, but these methods have problems such as low efficiency, damage to the surface of parts or high costs.
Infrared heating technology uses non-contact precision heating to avoid mechanical damage, soften or melt burrs, making them easy to remove or automatically fall off, especially suitable for precision parts or thermoplastic materials (such as ABS, PP, PC, etc.).
1. Part positioning: The robot removes the injection molded part from the mold and fixes it to the infrared heating station to achieve fully automatic deburring.
2. Local heating: Heating is only for the burr area, and energy consumption is more than 50% lower than traditional hot air heating.
Use short-wave infrared lamps (wavelength 0.8-1.4μm) to radiate the burr area in a directional manner, and the heating time is usually 1-5 seconds (adjusted according to the material thickness).
Temperature control: The infrared lamp power is adjustable, and it is monitored in real time with a thermocouple or infrared thermometer to ensure that the burr temperature rises to the softening point of the material (such as about 105-120°C for ABS), but avoid overheating of the main body of the part.
3. Burr removal: The softened burrs are automatically removed by slight mechanical vibration, air flow blowing or a touch of the robot. For complex structural parts, laser cutting or robot flexible grinding can be combined for secondary processing.
- Categories:IR Heating Applications
- Author:E-DEN Lighting
- Origin:E-DEN IR Lighting
- Time of issue:2025-04-16
- Views:0
During the injection molding process, burrs (flash) may form on the edges of parts due to mold gaps or excessive material fluidity. Traditional methods for deburring include mechanical trimming (knife, stamping), freezing deburring (low temperature embrittlement) or manual grinding, but these methods have problems such as low efficiency, damage to the surface of parts or high costs.
Infrared heating technology uses non-contact precision heating to avoid mechanical damage, soften or melt burrs, making them easy to remove or automatically fall off, especially suitable for precision parts or thermoplastic materials (such as ABS, PP, PC, etc.).
1. Part positioning: The robot removes the injection molded part from the mold and fixes it to the infrared heating station to achieve fully automatic deburring.
2. Local heating: Heating is only for the burr area, and energy consumption is more than 50% lower than traditional hot air heating.
Use short-wave infrared lamps (wavelength 0.8-1.4μm) to radiate the burr area in a directional manner, and the heating time is usually 1-5 seconds (adjusted according to the material thickness).
Temperature control: The infrared lamp power is adjustable, and it is monitored in real time with a thermocouple or infrared thermometer to ensure that the burr temperature rises to the softening point of the material (such as about 105-120°C for ABS), but avoid overheating of the main body of the part.
3. Burr removal: The softened burrs are automatically removed by slight mechanical vibration, air flow blowing or a touch of the robot. For complex structural parts, laser cutting or robot flexible grinding can be combined for secondary processing.
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