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14537759
YASSIAN or Your's
Replacement cycle of the knife plate
The replacement cycle of the knife plate should be comprehensively evaluated based on the material, usage scenario and maintenance conditions. The specific suggestions are as follows:
1. Kitchen cutting boards
Wooden chopping board
High-quality wooden chopping boards cut from whole wood (such as ebony) can be used for more than three years, but they need to be regularly disinfected with high-proof liquor. If cracking occurs or wood chips fall off, replace immediately .
Bamboo/plastic cutting board
It is recommended that household users replace it every 6 to 12 months, while the catering industry requires a mandatory replacement every 1 to 2 months. When mold, deformation or knife mark depth > 0.5mm occurs, should be eliminated in advance.
Special material
Stainless steel cutting boards (such as those for sashimi) have a relatively long service life, but it is necessary to avoid scratching with hard objects to prevent the coating from peeling off .
Ii. Industrial Machinery knife plates
Leather shredder blade
Hard alloy blades: For high-frequency use (8 hours per day), replacement is required every 1-2 years; for low-frequency use, the replacement period can be extended to 3-5 years .
High-speed steel inserts: The replacement cycle for cutting hard materials is shortened to 2-3 weeks .
Single-shaft agitator flying knife
When operating continuously for 8 hours per day, materials containing hard particles (such as quartz sand) need to be replaced every 1 to 2 months. Intermittent use can be extended to 3-6 months .
Iii. Key signal replacement
Hygiene indicators : Moldy area greater than the size of a 1-yuan coin or detected salmonella .
Physical damage : crack depth ≥2mm (for industrial tools) or tool mark > 0.5mm (for cutting boards) .
Performance decline : cutting efficiency drops by more than 30% or abnormal vibration occurs .
Note: The replacement of industrial knife plates should be in accordance with the mechanical safety standard "GB/T 3811-2008"
Replacement cycle of the knife plate
The replacement cycle of the knife plate should be comprehensively evaluated based on the material, usage scenario and maintenance conditions. The specific suggestions are as follows:
1. Kitchen cutting boards
Wooden chopping board
High-quality wooden chopping boards cut from whole wood (such as ebony) can be used for more than three years, but they need to be regularly disinfected with high-proof liquor. If cracking occurs or wood chips fall off, replace immediately .
Bamboo/plastic cutting board
It is recommended that household users replace it every 6 to 12 months, while the catering industry requires a mandatory replacement every 1 to 2 months. When mold, deformation or knife mark depth > 0.5mm occurs, should be eliminated in advance.
Special material
Stainless steel cutting boards (such as those for sashimi) have a relatively long service life, but it is necessary to avoid scratching with hard objects to prevent the coating from peeling off .
Ii. Industrial Machinery knife plates
Leather shredder blade
Hard alloy blades: For high-frequency use (8 hours per day), replacement is required every 1-2 years; for low-frequency use, the replacement period can be extended to 3-5 years .
High-speed steel inserts: The replacement cycle for cutting hard materials is shortened to 2-3 weeks .
Single-shaft agitator flying knife
When operating continuously for 8 hours per day, materials containing hard particles (such as quartz sand) need to be replaced every 1 to 2 months. Intermittent use can be extended to 3-6 months .
Iii. Key signal replacement
Hygiene indicators : Moldy area greater than the size of a 1-yuan coin or detected salmonella .
Physical damage : crack depth ≥2mm (for industrial tools) or tool mark > 0.5mm (for cutting boards) .
Performance decline : cutting efficiency drops by more than 30% or abnormal vibration occurs .
Note: The replacement of industrial knife plates should be in accordance with the mechanical safety standard "GB/T 3811-2008"
