JB/T 53029-1999
Hopper-type plastic dryer - Product quality grading (Internal use)
料斗式塑料干燥机 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 hopper-type plastic dryer products. This standard applies to the product quality grading of hopper-type plastic dryers (hereinafter referred to as dryers) as specified in JB/T 6494-1992 "Hopper-type plastic dryer".
本标准规定了料斗式塑料干燥机产品的质量等级、试验方法和抽样与评定方法。 本标准适用于JB/T 6494—1992《料斗式塑料干燥机》规定的料斗式塑料干燥机（以下简称干燥机）产品质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies use this standard to classify and evaluate the quality grades of hopper-type plastic dryers. By defining three grades—qualified, first-class, and premium—it helps users select products with appropriate quality levels and drives product quality improvement.
这个标准由干燥机制造商和质检机构使用，用来对料斗式塑料干燥机进行质量等级划分和评定。它通过设定合格品、一等品和优等品三个等级，帮助用户选择合适质量水平的产品，并促进产品质量提升。
AI Summary AI generated
This standard specifies the product quality grading requirements for hopper-type plastic dryers, including three grades: qualified, first-class, and premium. It covers key assessment indicators such as drying capacity, drying time, temperature accuracy, and noise, and provides corresponding test methods and sampling evaluation rules. The standard applies to dryers defined in JB/T 6494 and aims to promote product quality improvement through graded evaluation.
本标准规定了料斗式塑料干燥机的产品质量分等要求，包括合格品、一等品和优等品三个等级。标准覆盖了干燥能力、干燥时间、恒温精度和噪声等关键考核指标，并给出了相应的试验方法和抽样评定规则。该标准适用于JB/T 6494中定义的干燥机，旨在通过分级评定促进产品质量提升。
Key Sentences extracted from text
本标准规定了料斗式塑料干燥机产品的质量等级、试验方法和抽样与评定方法。
干燥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。
干燥机产品除符合JB/T 6494 规定外，各等级的考核项目、指标要求还应符合表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 hopper-type plastic dryer products.
Dryer products are divided into three grades: qualified product, first-class product, and premium product, based on their quality level and use value.
In addition to complying with JB/T 6494, the assessment items and index 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 shipped but unopened at the user's site; the sample size shall be no less than 2 units, and all test items shall be tested in a single test.
When evaluating the product quality grade, all assessment items for that grade must meet the technical requirements; otherwise, the grade shall be determined by the lowest index 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.