JB/T 54839-1999
Shakeout Machine - Product Quality Grading
落砂机 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品质量的等级 → 4 产品质量分等要求 → 5 试验方法 → 6 抽样、评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Product Quality Grading Requirements → 5 Test Methods → 6 Sampling and Evaluation Methods
Scope
This standard specifies the product quality grades, product quality grading requirements, test methods and evaluation methods for shakeout machines. This standard is applicable to the evaluation of product quality levels of batch-produced inertial vibration shakeout machines, inertial vibration conveying shakeout machines, impact-type inertial vibration shakeout machines and eccentric vibration shakeout machines (hereinafter collectively referred to as shakeout machines).
本标准规定了落砂机产品质量等级、产品质量分等要求、试验方法和评定方法等。本标准适用于评定批量生产的惯性振动落砂机、惯性振动输送落砂机、冲击式惯性振动落砂机和偏心振动落砂机（以下统称落砂机）的产品质量水平。
Normative References
Keywords
Application Summary AI generated
Foundry machinery manufacturers and quality inspection agencies use this standard to grade and evaluate the quality of shakeout machines. By defining three quality levels—qualified, first-class, and superior—it establishes clear technical requirements for different quality tiers, helping to improve overall product quality and market competitiveness.
铸造机械制造企业和质量检验机构使用该标准，对落砂机产品进行质量分等和评定。该标准通过设定合格品、一等品、优等品三个等级，明确了不同质量水平的技术要求，有助于提升落砂机产品的整体质量和市场竞争力。
AI Summary AI generated
This standard JB/T 54839-1999 specifies the product quality grading requirements for shakeout machines, applicable to inertial vibration, conveying, impact-type, and eccentric vibration types. It classifies products into three grades: qualified, first-class, and superior, covering aspects such as operational performance, precision, reliability, safety, and packaging. Through strict indicators like shakeout efficiency, noise limits, and spring life, it ensures product quality levels. The standard also provides test methods and sampling evaluation procedures, offering a unified quality assessment basis for the foundry machinery industry.
本标准JB/T 54839-1999规定了落砂机产品的质量分等要求，适用于惯性振动落砂机、输送落砂机、冲击式落砂机和偏心振动落砂机。标准将产品质量分为合格品、一等品和优等品三个等级，涵盖使用性能、运行性能、精度、可靠性、安全卫生、包装等多个方面。通过严格的指标要求，如落砂效率、噪声限值、弹簧寿命等，确保产品质量水平。标准还规定了试验方法和抽样评定方法，为铸造机械行业提供了统一的质量评价依据。
Key Sentences extracted from text
本标准规定了落砂机产品质量等级、产品质量分等要求、试验方法和评定方法等。
本标准按落砂机产品的成品检验、生产过程的质量检验和使用过程的质量检验三方面的质量水平和使用价值进行质量分等。
落砂机应能在额定有效负荷工况下正常对铸型进行落砂，输送式落砂机还应达到输送性能。
落砂机空载正常运行后的振动加速度不小于设计值。
落砂机产品在正常使用条件下，首次大修期（不包括更换弹簧，下同）不应少于6000工作小时。
This standard specifies the product quality grades, product quality grading requirements, test methods and evaluation methods for shakeout machines.
This standard grades the quality based on the quality level and use value of shakeout machines in three aspects: finished product inspection, production process quality inspection, and use process quality inspection.
The shakeout machine shall be able to normally shake out the mold under rated effective load conditions, and the conveying shakeout machine shall also achieve conveying performance.
The vibration acceleration of the shakeout machine after normal no-load operation shall not be less than the design value.
Under normal use conditions, the first major overhaul period (excluding spring replacement, the same below) of the shakeout machine product shall not be less than 6000 working hours.
Standard Timeline
Changes from replaced version:
- 仅按有关规定重新进行了编辑，主要技术内容没有改变
- Only editorial revisions were made according to relevant regulations; the main technical content remained unchanged.