JB/T 53277-1999
Centrifugal Blower for Sintering Plant - Product Quality Grading (Internal Use)
烧结厂用离心式鼓风机 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 鼓风机产品的质量等级 → 4 抽样、评定方法 Foreword → 1 Scope → 2 Normative References → 3 Quality Grades of Blower Products → 4 Sampling and Evaluation Methods
Scope
This standard specifies the quality grades, sampling, and evaluation methods for centrifugal blower products used in sintering plants. This standard applies to the quality assessment of centrifugal blowers for sintering plants (hereinafter referred to as blowers).
本标准规定了烧结厂用离心式鼓风机产品的质量等级和抽样、评定方法。本标准适用于烧结厂用离心式鼓风机（以下简称鼓风机）的质量评定。
Normative References
Keywords
Application Summary AI generated
Quality inspectors and technical personnel in sintering plants use this standard to evaluate the quality grade of centrifugal blowers. They apply the specified inspection items and indicators to sample and test products, determining whether they are qualified, first-class, or premium. This standard is crucial for ensuring the performance reliability and service life of blowers used in sintering operations.
烧结厂的质量检验人员和技术人员使用本标准来评定离心式鼓风机的质量等级。他们依据本标准中的考核项目和指标，对产品进行抽样和检验，以确定产品属于合格品、一等品还是优等品。本标准对于确保烧结厂用鼓风机的性能可靠性和使用寿命具有重要意义。
AI Summary AI generated
This standard JB/T 53277-1999 specifies the quality grading requirements for centrifugal blowers used in sintering plants, including three grades: qualified, first-class, and premium. It details inspection items such as pressure deviation, shaft power deviation, balance quality grade, vibration values, first major overhaul period, and pass rate of main items, with specific indicators for each grade. The standard also defines sampling and evaluation methods, requiring that products meet all inspection items to be graded, with the grade determined by the lowest indicator. It applies to quality assessment of centrifugal blowers for sintering plants, providing a basis for product quality control.
本标准JB/T 53277-1999规定了烧结厂用离心式鼓风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。标准详细列出了各等级的考核项目，如压力偏差、轴功率偏差、平衡品质等级、振动值、首次大修期和主要项目合格率等，并给出了具体指标。同时，标准还规定了抽样和评定方法，要求产品必须满足所有考核项目才能定等，按最低指标确定等级。该标准适用于烧结厂用离心式鼓风机的质量评定，为产品质量控制提供了依据。
Key Sentences extracted from text
本标准规定了烧结厂用离心式鼓风机产品的质量等级和抽样、评定方法。
鼓风机应符合JB/T 7259 的规定，按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。
鼓风机产品应符合JB/T 7259 的规定，各等级考核项目、指标要求按表1 规定。
鼓风机零部件的关键项目合格率应达到100%，其项目为：转子平衡品质等级；与滚动轴承的配合尺寸；轴承巴氏合金的浇铸质量，轴承合金与壳体的结合度。
判定产品的质量等级，应符合本标准规定的全部考核项目的要求，否则，按达到的最低一项指标定等，缺项不能定等。
This standard specifies the quality grades, sampling, and evaluation methods for centrifugal blower products used in sintering plants.
Blowers shall comply with the provisions of JB/T 7259 and be classified into three grades: qualified product, first-class product, and premium product, according to their quality level and use value.
Blower products shall comply with the provisions of JB/T 7259, and the inspection items and indicator requirements for each grade shall be as specified in Table 1.
The pass rate of key items for blower components shall reach 100%, and the items are: rotor balance quality grade; fit dimensions with rolling bearings; casting quality of bearing babbit, and bonding degree between bearing alloy and housing.
The determination of product quality grade shall meet the requirements of all inspection items specified in this standard; otherwise, the grade shall be determined by the lowest indicator achieved, and missing items cannot be graded.
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.