JB/T 53545-1999

Manufacturers of YA type circular vibrating screens use this standard to grade product quality and conduct factory inspections. Quality inspection agencies and customers also rely on it for product acceptance and evaluation. By defining clear criteria for qualified, first-grade, and premium products, the standard helps companies improve quality and competitiveness.

本标准由生产YA型圆振动筛的制造企业使用，用于对其产品进行质量等级评定和出厂检验。质检部门和用户也可依据本标准对产品进行验收和评价。该标准通过明确合格品、一等品和优等品的指标，帮助企业提升产品质量，增强市场竞争力。

This standard specifies quality grades, test methods, and inspection rules for YA type circular vibrating screens, applicable for evaluating product quality. Products are classified into qualified, first-grade, and premium grades based on finished product inspection, production quality checks, and user feedback. Key indicators include pass rates for finished product inspection, assembly/painting/packaging quality, and critical/main items. Test methods cover vibrator assembly, amplitude, frequency, temperature, and noise. Inspection rules define sampling and judgment procedures.

本标准规定了YA型圆振动筛产品的质量等级、试验方法和检验规则，适用于评定该产品的质量等级。标准将产品分为合格品、一等品和优等品三个等级，依据成品检验、生产过程质量检查、用户评价等综合确定。质量等级指标包括成品检验项目合格率、装配涂漆包装质量合格率、关键项目和主要项目合格率等。试验方法涵盖振动器装配、振幅、频率、温度、噪声等检测，检验规则规定了抽样方法和判定规则。