JB/T 51208-1999
Agricultural Hydraulic Oil Press - Product Quality Grading
农用液压榨油机 产品质量分等
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 indicators, test methods, and inspection rules for agricultural hydraulic oil press products. This standard applies to the product quality grading of agricultural hydraulic oil presses.
本标准规定了农用液压榨油机产品的质量指标、试验方法、检验规则。本标准适用于农用液压榨油机产品质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection departments of agricultural hydraulic oil presses use this standard to grade product quality and determine conformity. It sets performance indicators, test methods, and inspection rules to ensure that presses meet specified levels in residual oil rate, oil extraction efficiency, and reliability. This standard is important for improving product quality and regulating the market.
农用液压榨油机的生产企业和质量检验部门使用本标准，对产品进行质量分等和合格判定。它通过规定性能指标、试验方法和检验规则，确保榨油机在干饼残油率、出油效率、可靠性等方面达到相应等级要求。该标准对于提升农用榨油机产品质量、规范市场秩序具有重要意义。
AI Summary AI generated
This standard JB/T 51208-1999 specifies the product quality grading requirements for agricultural hydraulic oil presses, including performance indicators (such as residual oil rate in dry cake, oil extraction efficiency, power consumption per ton of material, time to first failure, etc.), assembly and appearance quality, test methods, and inspection rules. It classifies products into two grades: qualified and first-grade, with specific numerical indicators and sampling inspection plans. It is applicable to quality assessment and grading of agricultural hydraulic oil presses.
本标准JB/T 51208-1999规定了农用液压榨油机的产品质量分等要求，包括性能指标（如干饼残油率、出油效率、吨料耗电、首次故障前工作时间等）、整机装配与外观质量、试验方法和检验规则。标准将产品分为合格品和一等品两个等级，并给出了具体的指标数值和抽样检验方案。适用于农用液压榨油机的质量评定和分级。
Key Sentences extracted from text
本标准规定了农用液压榨油机产品的质量指标、试验方法、检验规则。
干饼残油率 % 花生仁 合格品 ≤ 9.5 一等品 ≤ 8.5
首次故障前工作时间 h 合格品 ≥ 300 一等品 ≥ 350
整机耐压试验 压力表读数下降值不大于试验压力的4%
采用随机抽样，在工厂近一年内生产的合格产品中随机抽取。
This standard specifies the quality indicators, test methods, and inspection rules for agricultural hydraulic oil press products.
Residual oil rate in dry cake % Peanut kernel: qualified product ≤ 9.5, first-grade product ≤ 8.5
Time to first failure h: qualified product ≥ 300, first-grade product ≥ 350
Whole machine pressure test: pressure gauge reading drop not greater than 4% of test pressure
Random sampling shall be adopted, and samples shall be randomly selected from qualified products produced within the past year.
Standard Timeline
Changes from replaced version:
- 更改和增加了油漆质量指标内容
- 更改了零部件、整机抽样母体量规定数
- 更改了抽样产品有效的生产保存日期
- 可靠性指标考核改为首次故障前工作时间的考核，并且提出了具体指标要求
- Changed and added paint quality indicator content
- Changed the specified number of sampling parent population for parts and complete machines
- Changed the valid production storage period for sampled products
- Changed the reliability index assessment to assessment of time to first failure, and proposed specific indicator requirements