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NB/T 10951-2022Vibrating and overturning arc-shaped sieve for coal (English PDF)

煤用振动翻转弧形筛

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

May 13, 2022

Implementation date

November 13, 2022

Scope

NB/T 10951-2022 is the English-translated version of 煤用振动翻转弧形筛.

NB/T 10951-2022 covers vibrating and overturning arc-shaped sieves for coal, curved screens made up of a feed box, a screen box, a vibrating motor and a machine base.

It sets product composition, model coding and basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage.

Supporting references include structural steels, welding grooves, general tolerances, the vibrating screen test method, curved screen and vibrating screen manufacturing requirements, three-phase vibration motors and noise measurement.

Manufacturers and inspectors of this screening equipment work to it. Issued on 13 May 2022, it has applied since 13 November 2022.

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Document preview — NB/T 10951-2022

National Standard of the People's Republic of China

ICS: 73.120
Classification: D 95

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Product composition, coding and basic parameters
5 Technical requirements
6 Test method
7 Inspection rules
8 Labeling, packaging, transportation and storage

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

1 Scope

This document specifies the composition, coding, basic parameters, technical requirements, test methods, inspection rules, and standards Marking, packaging, transportation and storage requirements.

This document is applicable to the inspection and manufacture of vibrating tilting curved screens for coal.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 699 High Quality Carbon Structural Steel

GB/T 700 carbon structural steel

GB/T 985.1 Recommended grooves for gas welding, electrode arc welding, gas shielded welding and high energy beam welding

GB/T 1804 General tolerances Tolerances of linear and angular dimensions without tolerances

GB/T 1184 Shape and position tolerance without tolerance value

GB/T 3768-2017 Acoustic sound pressure method for the determination of sound power level and sound energy level of noise sources using the envelope measurement surface above the reflecting surface simple method

GB/T 3785.1-2010 Electroacoustic sound level meter Part 1: Specification

GB/T 5782 hexagon head bolts

GB/T 13306 Signage

GB/T 10111 Generation of Random Numbers and Its Application in Product Quality Sampling Inspection

GB/T 13384 General Technical Specifications for Packaging of Mechanical and Electrical Products

JB/T 4042-2018 Vibrating sieve test method

JB/T 4266 curved screen

JB/T 5000.12 General Technical Conditions for Heavy Machinery Part 12: Coating

JB/T 5330 Three-phase asynchronous vibration motor technical conditions (exciting force 0.6kN~210kN)

JB/T 5496 General Technical Specifications for Vibrating Screen Manufacturing

MT/T 154.9-1996 Coal Screening Equipment Model Compilation Method

3 Terms and Definitions

This document does not have terms and definitions that need to be defined.

4 Product composition, coding and basic parameters

4.1 Product Composition

The vibrating flip arc screen for coal is mainly composed of a feed box, a screen box, a vibrating motor, and a machine base. The structure is shown in Figure 1, the feeding box is installed on the screen

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

MT/T 154.9-1996

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