NY/T 646-2002 English PDF

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NY/T 646-2002: Quality appraising standard for screw conveyer

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NY/T 646-2002	319	Add to Cart	3 days	Quality appraising standard for screw conveyer

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Basic data

Standard ID: NY/T 646-2002 (NY/T646-2002)
Description (Translated English): Quality appraising standard for screw conveyer
Sector / Industry: Agriculture Industry Standard (Recommended)
Classification of Chinese Standard: B91
Classification of International Standard: 65.060
Word Count Estimation: 9,95
Date of Issue: 2002-12-30
Date of Implementation: 2003-03-01
Summary: This standard specifies the screw conveyor product quality indicators, test methods and inspection rules. This standard applies to horizontal, inclined and vertical continuous and uniform delivery of food, seeds, loose materials and granular materials and other mobile and stationary conveyor product quality evaluation, test evaluation, and product quality supervision inspection.

NY/T 646-2002: Quality appraising standard for screw conveyer

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Quality appraising standard for screw conveyer ICS 65.060 B91 People's Republic of China Agricultural Industry Standard Screw conveyor quality evaluation specification Released on December 12,.2002 2003-03-01 implementation Published by the Ministry of Agriculture

Foreword

This standard was proposed by the Agricultural Bureau of the Ministry of Agriculture. This standard was drafted. Quality Supervision, Inspection and Testing Center of Drying Machinery and Equipment of the Ministry of Agriculture, Quality Supervision of Agricultural Products Processing Machinery of the Ministry of Agriculture Supervise the test center. The main drafters of this standard. Pan Jiujun, Xing Zuoqun, Gu Bingjie, Liang Zhonghua, Wang Peng, Jiang Xiufu, Wang Yanfeng. Screw conveyor quality evaluation specification

1 Scope

This standard specifies the product quality indicators, test methods and inspection rules for screw conveyors. This standard applies to horizontal, inclined and vertical continuous and uniform transport of grain, seeds, loose materials and granular materials, etc. Product quality evaluation, test identification and product quality supervision and inspection of screw conveyor.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. Basic form and size of GB/T 985 gas welding, manual arc welding and gas shielded weld bevel GB/T 2828-1987 Batch-by-batch inspection sampling procedure and sampling table (for continuous batch inspection) GB/T 3768-1996 Acoustics, sound pressure method for the determination of sound source sound power level GB/T 4064 Safety Design Guidelines for Electrical Equipment GB/T 8170-1987 Digital Rounding Rules GB 9969.1-1998 General instructions for the use of industrial products GB 10395.1-2001 Technical requirements for safety of agricultural and forestry tractors and machinery - Part 1 GB 10396-1999 General rules for safety signs and hazard figures for tractors and machinery, lawn and horticultural machinery JB/T 5673-1991 General technical conditions for painting of agricultural and forestry tractors and implements JB/T 7679-1995 screw conveyor

3 Quality indicators

3.1 Performance The main performance of the screw conveyor should meet the requirements of Table 1. Table 1 Performance indicators Serial number item indicator 1 Productivity/(t/h) Other working conditions ≥ enterprise standard stipulation (or design) value ≥ Enterprise standard specification (or design) value for vertical conveyance 2 Unit power consumption/[kW·h/(t·m)] ≤ Enterprise standard specification (or design) value Breakage rate increase/(%) ≤ 0.2 Brown rice rate increase (rice)/(%) ≤ 0.5 4 noise/dB (A) ≤ 80 5 Reliability Effectiveness/(%) ≥ 96 6 bearing temperature rise/°C ≤ 25 ......

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