JB/T 20053-2021Flexible-supported inclined screening machines (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces JB/T 20053-2005. Compared with JB/T 20053-2005, the main technical changes of this standard are as follows.

--- Delete the term flexible support (see 3.1 of the 2005 edition);

--- Delete the term of inclined plane screening machine (see 3.2 of the 2005 edition);

--- Deleted the product classification (see 4.1 of the 2005 edition);

--- Modified the model compilation (see 4.1, 4.2.1 of the 2005 edition);

--- Modified the mark example (see 4.2, 4.2.2 of the 2005 edition);

--- Modified the stability requirements (see 5.6, 5.6 of the 2005 edition);

--- Revised the requirements for the rotation speed of the sieve bed (see 5.8, 5.7 of the 2005 edition);

--- Modified the electrical safety requirements (see 5.10, 5.9 and 5.10 of the 2005 edition);

--- Modified the screening test requirements (see 6.8 and 6.9, 6.8 of the 2005 edition);

--- Modified the electrical safety test (see 6.10, 6.9 and 6.10 of the 2005 edition);

--- Modified the factory inspection (see 7.2, 7.2 of the 2005 edition);

--- Modified sampling (see 7.3.3, 7.3.2 of the 2005 edition).

1 Scope

This standard specifies the markings, requirements, test methods, inspection rules and markings, instruction manuals, packaging, transportation Loss and storage.

This standard applies to the flexible support inclined plane screening machine (hereinafter referred to as the "screening machine") for the net screening of Chinese herbal medicines.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 Graphical signs of packaging, storage and transportation

GB/T 3768-2017 Determination of sound power level and sound energy level of noise source by acoustic sound pressure method using the envelope measurement surface above the reflecting surface simple method

GB/T 6388 Receipt and Delivery Marks for Transport Packaging

GB/T 9969 General Principles of Instruction Manual for Industrial Products

GB/T 10111 Generation of random numbers and its application in product quality sampling inspection

GB/T 13306 Signs

GB/T 13384-2008 General technical conditions for packaging of mechanical and electrical products

GB/T 17492 Technical requirements and inspection of metal wire braided mesh for industrial use

GB/T 36035 General Requirements for Electrical Safety of Pharmaceutical Machinery

JB/T 20188-2017 Preparation method of pharmaceutical machinery product model

3 Terms and Definitions

The following terms and definitions apply to this document.

4 Marks