JB/T 51213-1999
Feed Grinder - Product Quality Grading (Internal Use)
饲料粉碎机 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量指标 → 4 试验方法 → 5 检验规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Indicators → 4 Test Methods → 5 Inspection Rules
Scope
This standard specifies the quality grade indicators, test methods, and inspection rules for feed grinder products. This standard applies to the quality grading of feed grinder products.
本标准规定了饲料粉碎机产品的质量等级指标、试验方法和检验规则。本标准适用于饲料粉碎机产品的质量分等。
Normative References
Keywords
Application Summary AI generated
Feed grinder manufacturers and quality inspection agencies use this standard to grade products into qualified, first-class, or premium levels. It helps ensure product performance meets defined criteria such as power consumption, noise, and reliability, thereby improving user satisfaction. This standard is important for regulating the feed grinder market and promoting technological advancement.
饲料粉碎机制造商和质检机构使用本标准来对产品进行质量分等，确保产品达到合格、一等或优等水平。它通过设定明确的性能指标（如电耗、噪声、可靠性）和检验规则，帮助提升产品质量和用户满意度。该标准对于规范饲料粉碎机市场、促进技术升级具有重要意义。
AI Summary AI generated
This standard JB/T 51213-1999 specifies quality grading requirements for feed grinder products, including three grades: qualified, first-class, and premium. It details performance indicators such as power consumption per ton, feed temperature rise, bearing temperature rise, noise, dust concentration, particle size, reliability, mean time to first failure, and hammer and screen life, along with corresponding test methods and inspection rules. Safety requirements emphasize protective devices for exposed rotating parts. The standard applies to quality grading of feed grinders, providing a unified basis for production and inspection.
本标准JB/T 51213-1999规定了饲料粉碎机产品的质量分等要求，包括合格品、一等品和优等品三个等级。标准详细列出了性能指标如吨料电耗、饲料温升、轴承温升、噪声、粉尘浓度、粒度、有效度、首次故障前平均工作时间、锤片和筛片寿命等，并给出了相应的试验方法和检验规则。安全要求强调外露转动部件需有防护装置。该标准适用于饲料粉碎机的质量分等，为生产和检验提供了统一依据。
Key Sentences extracted from text
本标准规定了饲料粉碎机产品的质量等级指标、试验方法和检验规则。
饲料粉碎机产品质量按其技术水平和质量水平分为合格品、一等品和优等品。
饲料粉碎机在粉碎含水率为12%~14%的饲料用二级玉米及含水率为8%~14%的秸蔓类时，性能指标应符合表1的规定。
各外露的转动部件应有可靠的安全防护装置，如带轮的安全防护罩等。
采用逐项目考核，按类判定，以各类所能达到的最低等级定为该批产品的质量等级。
This standard specifies the quality grade indicators, test methods, and inspection rules for feed grinder products.
Feed grinder products are classified into qualified, first-class, and premium products according to their technical level and quality level.
When grinding feed-grade second-class corn with moisture content of 12% to 14% and straw vines with moisture content of 8% to 14%, the performance indicators of the feed grinder shall comply with the provisions of Table 1.
All exposed rotating parts shall have reliable safety protection devices, such as safety guards for belt pulleys.
Adopt item-by-item assessment, judge by category, and take the lowest grade achievable in each category as the quality grade of the batch of products.
Standard Timeline
Changes from replaced version:
- 对原标准作了编辑性修改，主要技术内容没有变化
- Editorial modifications were made to the original standard, with no changes to the main technical content.