上工 单刃枪钻

评测依据

• review_count：450
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 01:50:33","to":"2026-06-26 01:50:33"}
• intros：{"brand_intro":"上海工具厂有限公司（上工）是中国历史最悠久的刀具制造商之一，成立于1949年，被誉为\"中国工具工业的摇篮\"。上工枪钻产品覆盖通用及精密深孔加工领域，以高性价比和稳定的质量在国内市场拥有极高占有率，尤其受中小型机械加工企业青睐。","product_intro":"上工SG-1D系列单刃枪钻采用国产优质硬质合金刀头与40Cr合金钢刀杆，直径6-12mm，标准长度300mm。加工深度比可达60:1，适用于普通钢件、铸铁及有色金属的深孔加工。内冷通道设计保证基本排屑需求，表面粗糙度可达Ra0.8μm，是经济型深孔加工的理想选择。","key_specs":["直径范围：8.0mm","总长：300mm","刀头材质：YG8硬质合金","加工深度比：60:1","冷却方式：单内冷孔","适用材料：碳钢、铸铁、铜铝"]}
• alt_products：[{"product_name":"上工 单刃枪钻","brand":"上海工具厂","model":"SG-1D-8.0-300","price":280}]
• kol_quotes：["机械加工老师傅王建国：上工枪钻是国产里的老牌子，普通活用它足够了。","刀具测评UP主小刀：百元级枪钻里上工的质量最稳定，适合新手入门。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":78.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价以\"便宜好用\"为主，性价比极高。天猫评价中92%为好评，有用户称\"几十块钱的枪钻能加工出合格深孔，超出预期\"。部分用户反馈在加工不锈钢时寿命明显下降，建议用于普通材料。整体适合预算有限的小型工厂和教学实训使用。","source_count":2}},{"source":"objective","score":61.87432160804019,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.5,"price":280,"wom_score":78.6}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":450,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["机械加工老师傅王建国：上工枪钻是国产里的老牌子，普通活用它足够了。","刀具测评UP主小刀：百元级枪钻里上工的质量最稳定，适合新手入门。"]}}]
• method_version：v2
• search_visual：null