1 Scope
This standard specifies terms and definitions, general design criteria, design basis, basic structure, determination of technical parameters, and design and calculation of main components and parts of vibrating screen.
This standard is applicable to design of linear vibrating screen and circular vibrating screen (hereinafter referred to as the vibrating screen).
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document.
GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts, Plain Washers for Steel Structures
GB/T 3632 Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures
GB/T 7679.6 Mining Machinery Terminology - Part 6: Screening Equipment
JB/T 3687.1 Vibrating Screen with Base Type Installation - Part 1: Serial Type
3 Terms and Definitions
For the purposes of this document, the terms and definitions established in GB/T 7679.6 and the following ones apply.
3.1
Efficiency of screening
An index used to evaluate the screening effects, counted as the sum of coarser material placement efficiency (Ec) and finer material placement efficiency (Ef) minus 100.
[Definition 3.11, GB/T 15716-2005]
3.1.1
Coarse material
Material greater than the reference size.
[Definition 3.2, GB/T 15716-2005]
3.1.2
Fine material
Material smaller than the reference size.
[Definition 3.3, GB/T 15716-2005]
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 General Design Criteria
5 Design Basis
6 Basic Structure
6.1 Vibrator
6.2 Screen Surface and its Clamp Device
6.3 Screen Frame
6.4 Driving Device
6.5 Support Device
7 Determination of Technical Parameters
7.1 Process Parameters
7.2 Kinematics Parameters
7.3 Dynamic Parameters
7.4 Calculation and Selection of Motors
8 Design and Calculation of Main Components and Parts
8.1 Bearing
8.2 Checking of Shaft Strength
8.3 Spring
8.4 Screen Frame
References
