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The Shechitah Knife: Difference between revisions
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# A knife that is heated till it glows (incandescent) may not be used, as the heat from the sides of the blade burns the simanim before the blade finishes severing them, resulting in a piercing instead of a shechitah. The meat would be prohibited on a Torah level. Some are lenient bediavad if the shochet was aware and maneuvered the knife in a way that avoids the sides touching the simanim, but the halacha follows the strict view. Some say the minimum temperature of the metal is Yad Soledet Bo.<ref>Simla Chadasha 9:1</ref> | # A knife that is heated till it glows (incandescent) may not be used, as the heat from the sides of the blade burns the simanim before the blade finishes severing them, resulting in a piercing instead of a shechitah. The meat would be prohibited on a Torah level. Some are lenient bediavad if the shochet was aware and maneuvered the knife in a way that avoids the sides touching the simanim, but the halacha follows the strict view. Some say the minimum temperature of the metal is Yad Soledet Bo.<ref>Simla Chadasha 9:1</ref> | ||
===Non-Kosher Knives=== | ===Non-Kosher Knives=== | ||
''See [Koshering a Kitchen] for more details.'' | ''See [[Koshering a Kitchen]] for more details.'' | ||
# Due to the temperature of the animal neck and potentially also to the pressure of the knife, one may not use a non-Jew's knife before kashering it or sanding down a layer from both sides of the knife. Hagala is sufficient unless there are holes in the blade, which would then require libun.<ref>Simla Chadasha 10:4</ref> | # Due to the temperature of the animal neck and potentially also to the pressure of the knife, one may not use a non-Jew's knife before kashering it or sanding down a layer from both sides of the knife. Hagala is sufficient unless there are holes in the blade, which would then require libun.<ref>Simla Chadasha 10:4</ref> | ||
# If the animal was shechted with non-kosher knife that was not used for non-kosher food in the past twenty-four hours (eino ben yomo); although, the knife should have ideally been kashered, the meat is kosher. The same is true if one is unsure if it was used in the past twenty-four hours. If there is any visible non-kosher substance on the blade, as knives are often not perfectly clean, then the rules of an actual ben yomo must be followed as below. Even if one thinks it was clean, there's room to be strict as below, unless one made sure to do a thorough job or it is a pressing situation.<ref>Simla Chadasha 10:7</ref> | # If the animal was shechted with non-kosher knife that was not used for non-kosher food in the past twenty-four hours (eino ben yomo); although, the knife should have ideally been kashered, the meat is kosher. The same is true if one is unsure if it was used in the past twenty-four hours. If there is any visible non-kosher substance on the blade, as knives are often not perfectly clean, then the rules of an actual ben yomo must be followed as below. Even if one thinks it was clean, there's room to be strict as below, unless one made sure to do a thorough job or it is a pressing situation.<ref>Simla Chadasha 10:7</ref> | ||
