JB/T 53112-1999
Internal Mixer for Plastics - Product Quality Grading (Internal Use)
密闭式炼塑机 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品质量等级 → 4 试验方法 → 5 抽样与评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Test Methods → 5 Sampling and Evaluation Methods
Scope
This standard specifies the quality grades, test methods, and sampling and evaluation methods for internal mixer for plastics products. This standard applies to the product quality grading of internal mixers for plastics as specified in GB/T 9707-1988 'Internal Mixer for Plastics and Rubber - Technical Conditions' and HG/T 3107-1988 'Internal Mixer for Plastics and Rubber - Series and Basic Parameters'.
本标准规定了密闭式炼塑机产品的质量等级、试验方法和抽样与评定方法。本标准适用于GB/T 9707—1988《密闭式炼塑机炼胶机 技术条件》和HG/T 3107—1988《密闭式炼塑机炼胶机 系列与基本参数》规定的密闭式炼塑机产品质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies use this standard to classify and test the quality grades of internal mixers for plastics. It helps users select products based on their quality level and ensures compliance with industry requirements. This standard is important because it provides a unified evaluation basis, promoting product quality improvement and market standardization.
该标准由密闭式炼塑机制造商和质检机构使用，用于对产品进行质量等级划分和检验。它帮助用户根据质量水平选择合适的产品，并确保产品符合行业要求。该标准的重要性在于它提供了统一的评定依据，促进了产品质量的提升和市场的规范化。
AI Summary AI generated
This standard specifies quality grades, test methods, and sampling/evaluation procedures for internal mixers for plastics. Products are classified into three grades: qualified, first-grade, and premium, with assessment items covering mixing chamber structure, rotor structure, filling factor, no-load motor power, and load noise. It applies to mixers defined in GB/T 9707 and HG/T 3107, requiring a sample size of at least 2 units and grading based on the lowest indicator achieved.
本标准规定了密闭式炼塑机产品的质量等级、试验方法和抽样与评定方法。产品分为合格品、一等品和优等品三个等级，考核项目包括密炼室结构、转子结构、填充系数、空运转电机功率和负荷运转噪声等指标。标准适用于GB/T 9707和HG/T 3107规定的密闭式炼塑机，要求抽样不少于2台，评定以最低指标定等级。
Key Sentences extracted from text
本标准规定了密闭式炼塑机产品的质量等级、试验方法和抽样与评定方法。
密闭式炼塑机产品根据其质量水平和使用价值分为合格品、一等品和优等品三个等级。
密闭式炼塑机产品除符合GB/T 9707 和HG/T 3107 规定外，各等级的考核项目、指标要求还应按表1 的规定。
抽样产品必须是制造厂检验部门检查合格入库或出厂在用户处未开箱的批量产品，抽检样本不少于2 台，全部检测项目采用一次检测。
评定产品质量等级，必须符合该等级全部考核项目的技术要求，否则按达到的最低一项指标定等级。
This standard specifies the quality grades, test methods, and sampling and evaluation methods for internal mixer for plastics products.
Internal mixer for plastics products are classified into three grades: qualified product, first-grade product, and premium product, based on their quality level and use value.
In addition to complying with GB/T 9707 and HG/T 3107, the assessment items and indicator requirements for each grade shall also comply with the provisions of Table 1.
Sampled products must be batch products that have passed inspection by the manufacturer's inspection department and are in storage or delivered but unopened at the user's site; the sample size shall be no less than 2 units, and all test items shall be tested once.
When evaluating the product quality grade, it must meet the technical requirements of all assessment items for that grade; otherwise, the grade shall be determined based on the lowest indicator achieved.
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.