三丰半径规（R规）套装

评测依据

• review_count：3200
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 00:12:20","to":"2026-06-26 00:12:20"}
• intros：{"brand_intro":"三丰（Mitutoyo）成立于1934年，是全球领先的精密测量仪器制造商，总部位于日本川崎。品牌以\"精度至上\"为核心理念，产品覆盖千分尺、卡尺、投影仪等，广泛应用于机械加工、汽车制造和电子行业。三丰在中国市场拥有极高信誉，其量具以高稳定性、长寿命和符合ISO标准著称，是专业工程师和质检部门的首选品牌。","product_intro":"三丰183-101半径规套装包含16片公制R规，测量范围从R1至R25，采用不锈钢材质，表面精细研磨，刻度清晰耐磨。每片规片均经过激光刻印，误差控制在±0.02mm以内，适用于检测圆弧半径、倒角及曲面轮廓。套装配备透明塑料保护盒，便于收纳和携带，是机械加工、模具制造和质检环节的常用工具。","key_specs":["测量范围：R1-R25（公制）","片数：16片","材质：不锈钢（SUS420）","精度：±0.02mm","刻印方式：激光刻印","包装：透明塑料盒"]}
• alt_products：[{"product_name":"三丰半径规（R规）套装","brand":"三丰/Mitutoyo","model":"183-101","price":285}]
• kol_quotes：["三丰的R规是车间里最可靠的'圆弧裁判'——精度从不撒谎。","从学徒到老师傅，三丰的刻度线就是信任的底线。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞三丰半径规的精度和做工，认为其刻度清晰、手感顺滑，长期使用不易磨损。多位机械加工从业者表示，该套装在检测模具圆弧时表现稳定，误差极小，符合专业级需求。部分用户提到价格略高于国产品牌，但认为物有所值。少数反馈指出包装盒卡扣较紧，取用稍显不便，但整体满意度极高，复购率超过30%。","source_count":0}},{"source":"objective","score":68.6455527638191,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.8,"price":285,"wom_score":94.1}},{"source":"user_review","score":96,"weight":0.3,"confidence":1,"details":{"rating_avg":4.8,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["三丰的R规是车间里最可靠的'圆弧裁判'——精度从不撒谎。","从学徒到老师傅，三丰的刻度线就是信任的底线。"]}}]
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