Some standard content:
JB | | tt | tt | | C91 | | tt | | JB | |Pharmaceutical eddy type vibration screening machine released on 2004-02-05
Implemented on 2004-06-01
Released by the National Development and Reform Commission
Foreword
1||tt| |Scope
Normative references
2
3 Terms and definitions
Classification and labeling
4
5||tt| |6
7
8
Requirements
Test methods
Inspection rules
Logo, instructions for use, packaging, transportation and storage purposes
times
JB20034—2004
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JB20034—2004
Foreword
This standard is based on GB/T1 .1-2000 "Standardization Work Guidelines Part 1: Structure and Writing Rules of Standards" and GB/T1.2-2002 "Standardization Work Guidelines Part 2: Methods for Determining the Content of Normative Technical Requirements in Standards" Revisions made in YY0098-1992.
This standard replaces YY0098-1992 from the date of implementation. The relevant technical content in this standard is explained as follows: a) The invalidated cited standards have been modified and the preface of the cited standards has been added. b) According to the Pharmaceutical Machinery Product Model Preparation Law, the model has been modified. c) Some terms, symbols and codes have been deleted, and the priority number system without parentheses in the basic parameters has been retained. d) Table 2, Table 3, and Table 4 in the original standard inspection rules have been slightly adjusted. e) Electrical safety performance requirements are implemented in accordance with the content stipulated in the new standards. This standard is proposed by China Pharmaceutical Equipment Industry Association. This standard is under the jurisdiction of the Pharmaceutical Equipment Industry Standardization Technical Committee. This standard was drafted by: Shanghai Far East Pharmaceutical Machinery Factory. The main drafters of this standard: Lin Xiaohua and Gao Yunwei. 28
1 Scope
Pharmaceutical vortex vibrating screening machine
JB20034-2004
This standard specifies the terms, definitions and classification of medicinal vortex vibrating screening machines and markings, requirements, test methods, inspection rules and signs, instructions for use, packaging, transportation, and storage. This standard applies to medicinal vortex vibrating screens (hereinafter referred to as vortex vibrating screens). 2 Normative reference documents
The provisions in the following documents become provisions of this standard through reference in this standard. For referenced documents with a reference period, all subsequent amendments (excluding corrigenda) or revisions do not apply to this standard. However, parties that reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. . For undated referenced documents, the latest edition applies to this standard. GB/T191 Packaging, storage and transportation pictorial signs
Priority number and priority number system
GB/T321
GB5226.1--2002 Mechanical safety mechanical and electrical equipment Part 1: General technology Conditions CB/T9969.1 General principles of industrial product instructions for use CB/T10111
Method of random cat sampling using random numbers GB/T12309
Industrial corn starch
GB/T13306| |tt||5 signs
General technical conditions for mechanical and electrical product packaging
GB/T13384
GB/T16769
Cylinder spiral bomb Poor sampling inspection
JB/T7944
YY/T0216 Pharmaceutical Machinery Product Model Preparation Method 3 Terms and Definitions
The following terms and definitions only apply to this standard. 3.1
minusmesh
The part of the loading that passes through the sieve holes. 3.2
Screen residue plusmesh
The part of the loading that does not pass through the sieve holes. 3.3 | | tt | 3.4
mixing ratio mixingratio
The percentage of the amount of residue that passes through the standard sieve after screening. Classification and labeling
4
4.1 Type
The rotary vibrating screen is a vertical screening equipment that adopts the principle of balanced vibration and can produce rotation and throwing motion. 4.2 Model
4.2.1 The model of the rotary vibrating screen should comply with the regulations of YY/T0216. 4.2.2 Model mark:
（ R10 priority number series. 4.3.2 The basic parameters of the rotary vibrating screen should comply with the provisions of Table 1. Table 1 Basic parameters
Specifications (screen diameter, mm)
Production capacity (single layer), kg/h
5 requirements
5.1 Working conditions||tt ||200
≥50
315
130
400
200
500
325||tt| |630
510
800
≥830
The rotary vibrating screen should be able to operate at an ambient temperature of 0℃~40℃ and a relative humidity of no more than 85% in the air. work normally. 5.2 Material requirements
1000
1300
5.2.1 All parts and components of the rotary vibrating screen that are in contact with the material should be corrosion-resistant and not chemically react or adsorb with the material. Material.
5.2.2 The seals used between sieves at all levels should be made of non-toxic, odorless and non-falling silicone rubber. 5.3 Structural requirements
5.3.1 The screen amplitude of the rotary vibrating screen should be adjustable. 5.3.2 The rotary vibrating screen should be set up as a lifting device for overall hoisting. 5.3.3 The rotary vibrating screen should have reliable sealing components to prevent material leakage. 5.3.4 Component fasteners should not loosen during vibration. 5.3.5 Each group of shock absorbers in the rotary vibrating screen should have equal quotient. The free height limit deviation of the rubber shock absorber should not be greater than 0.5mm; the free height limit deviation of the spring shock absorber should not be greater than 1mm. 5.3.6 The elastic cost of elastic shock absorbers should comply with the relevant regulations in JB/T7944. 5.3.7 The screen mesh should be firmly fixed on the screen plate without ripples. 5.3.8 The surface roughness Ra value of the stainless steel screen frame should not be greater than 0.8jm. 5.4 Performance requirements
5.4.1 The rotary vibrating screen should be stable when working, without horizontal movement or longitudinal movement. JB20034-2004
5.4.2 The maximum radial amplitude of the single-layer rotary vibrating screen when no load should be not less than 4mm, the rated amplitude should be stable, the relative error should not be greater than 0.35mm, and the vibration frequency error should be less than ±2 %. 5.4.3 At the rated operating voltage, the error in vibration frequency should not be greater than 2% of the rated value. 5.4.4 The noise of the rotary vibrating screen during no-load movement should not be greater than 80dB(A). 5.4.5 The temperature rise of the main bearing of the rotary vibrating screen should not be greater than 30°C during no-load operation; it should not be greater than 35°C during load operation. 5.4.6 The maximum temperature of the main shaft of the rotary vibrating screen: it should not be greater than 65°C during no-load operation; it should not be greater than 70°C during load operation. 5.4.7 The sieving rate of the material under the sieve after single-layer sieve screening should not be less than 98%. 5.4.8 The powder mixing rate of the residue after single-layer sieve screening should not be greater than 3%. 5.5 Electrical safety performance requirements
5.5.1 The continuity of the protective grounding circuit of the electrical system shall comply with the provisions of 19.2 of CB5226.1-2002. 5.5.2 The insulation resistance of the electrical system shall comply with the provisions of 19.3 in GB5226.1-2002. 5.5.3 The withstand voltage of the electrical system shall comply with the provisions of 19.4 in CB5226.1-2002. 5.5.4 The protective grounding circuit of the electrical system shall comply with the provisions of 8.2 of CB5226.1-2002. 5.5.5 The buttons of the electrical system shall comply with the provisions of 10.2 in GB5226.1-2002. 5.5.6 The indicators and displays of the electrical system shall comply with the provisions of 10.3 in GB5226.12002. 5.5.7 The wiring of the electrical system should comply with the provisions of Chapter 14 of GB5226.1-2002. 5.5.8 The markings, warning signs and project codes of the electrical system shall comply with the provisions of Chapter 17 of GB5226.1-2002. 5.6 Appearance
5.6.1 The stainless steel surface of the rotary vibrating screen should be flat and smooth, without obvious scratches or dents. 5.6.2 The paint layer on the outer surface of the paint should be uniform and firm, without obvious flow marks, and the surface should be free of defects such as peeling, cracks, wrinkles, and bubbles.
6 Test Methods
6.1 All parts and components in contact with materials and silicone rubber used in seals in the rotary vibrating screen should have a material certificate. 6.2 Production Capacity Test
After the rotary vibrating screen passes the no-load test, use a single sieve with an inner diameter of 0.15mm (No. 6 pharmaceutical sieve) and use 6kg of corn starch in compliance with CB/T12309 for production capacity measurement. The interrogation interval is 10 minutes each time, and a total of three measurements are taken. The arithmetic average is taken to calculate the production capacity according to formula (1).
Q-220.(n-3,.-1,2,3...)
.(1)
31
JB20034-2004|| tt||中：
Q:—The production capacity measured for the first time, kg/h. 6.3 Structural requirements inspection
6.3.1 Use the eccentric block to adjust the screen amplitude. 6.3.2 Check the requirements of 5.3.2, 5.3.3 and 5.3.4 by visual inspection. 6.3.3 Use a height gauge to measure the height limit deviation of the vibration absorber in the rotary vibrating screen. 6.3.4 The elastic materials used in spring shock absorbers shall be in accordance with the provisions in 5.3.6. 6.3.5 Use the comparison sample block to detect the surface roughness of the sieve frame. 6.4 Performance requirement testing
6.4.1 Visually inspect the working stability of the rotary vibrating screen. 6.4.2 Use an amplitude measuring instrument to measure the maximum radial amplitude, amplitude relative error and vibration frequency error of the vibrating screen. 6.4.3 Use a sound level meter to test the no-load noise of the rotary vibrating screen in accordance with the relevant provisions of CB/T16769. 6.4.4 After 1 hour of normal operation, use a point thermometer with an error of less than 1.5% to measure the temperature rise of the main bearing and the maximum temperature of the main shaft of the rotary vibrating screen. 6.4.5 Screening rate of rotary vibrating sieve Use 1.5kg of starch and 0.15mm standard sieve to sieve the under-sieve material after the screening test. Measure three times in total and take the arithmetic mean value according to formula (2) Calculate the screening rate G. Gl | | tt | | Object
S,—the under-sieved object after the i-th sieving test. ..(2)
6.4.6 Mixing rate of rotary vibrating sieve Use 1.5kg starch and 40.15mm standard sieve to sieve the residue after the sieving test. Measure three times in total and take Its arithmetic mean value is used to calculate the powder mixing rate H according to formula (3). H-lP
100%(n=3;im1,2.3...)
element point R
where:
R-first screening test The final sieve residue.
6.5 Electrical safety performance test
(3)
6.5.1 The continuity, insulation resistance and withstand voltage tests of the protective grounding circuit of the electrical system shall be in accordance with CB5226.1 respectively. The provisions of 19.2, 19.3 and 19.4 of 2002 are carried out. 6.5.2 The protective grounding circuit, buttons, indicators and displays, wiring, markings, warning signs and project codes of the electrical system shall be in accordance with 8.2, 10.2, 10.3, Chapter 14 and Chapter 17 of GB5226.1-2002 respectively. stipulations. 6.6 Appearance quality inspection
Inspect the appearance quality of the rotary vibrating screen visually. 7 Inspection Rules
7.1 Each rotary vibrating screen must pass the inspection by the inspection department of the manufacturing unit before it can leave the factory. 7.2 Factory inspection and type inspection of rotary vibrating screening. 32
7.2.1 Factory inspection
7.2.1.1 Factory products must be inspected one by one according to the provisions of Table 2, and product certificates will be issued to qualified products. Table 2 Factory inspection items
Item category
General performance
Main performance
Inspection items
JB 20034—2004
Table 1, 5.3.5,5.3.8,5.4.1,5.4.3,5.4.4,5.4.5,5.4.6,5.5.4,5.5.5,5.5.6,5.5.7, 5.5.8, 5.6| |tt||5.4.2, 5.5.1, 5.5.2, 5.5.3
7.2.1.2 If unqualified products are found during the inspection process, the rotary vibrating screen is allowed to be returned for repair and re-inspection. If it fails, the product will be judged as a defective product.
7.2.2 Type inspection
7.2.2.1 Type inspection Inspection shall be carried out according to all the requirements of this standard. 7.2.2.2 Type inspection shall be carried out when one of the following situations occurs: a) When new products are trial-formulated and identified:
b) When there are major improvements in the structure, materials, and processes of the product; e) Long-term suspension of production 2 When production resumes after the year: d) During quality certification or quality arbitration.
7.2.2.3 Sampling inspection:
The prototypes for type inspection should randomly select 10% (at least one) from the products that have passed the factory inspection for testing according to the method specified in GB/T10111. | |tt | If one item of the rate fails, it will be judged as unqualified. If one of the other items is unqualified, the unqualified item should be re-tested twice. If it is still unqualified, the product will be deemed to have failed the type inspection. 8 Logo, instruction manual, packaging, transportation and storage 8.1 The nameplate of each rotary vibrating screen should be fixed on an obvious part of the machine. The size and technical requirements of the nameplate should comply with the relevant regulations of GB/T13306. The nameplate content is as follows:
a) Product name:
b) Product model and specifications:
Production capacity, total power, rated voltage; e
d) Manufacturing plant Name:
e) product number and date of manufacture;
f) product standard number.
8.2 Instructions for use
Product instructions for use shall comply with the relevant provisions of CB/T9969.1. 8.3 Packaging Marks
The words and marks on the outer wall of the packaging box should be clear and have the following content: 33
2 Production Capacity Test
After the rotary vibrating screen passes the no-load test, use a single sieve with an inner diameter of 0.15mm (No. 6 pharmaceutical sieve), and use 6kg of corn starch in compliance with CB/T12309 for production capacity testing. The interrogation interval is 10 minutes each time, and a total of three measurements are taken. The arithmetic average is taken to calculate the production capacity according to formula (1).
Q-220.(n-3,.-1,2,3...)
.(1)
31
JB20034-2004|| tt||中：
Q:—The production capacity measured for the first time, kg/h. 6.3 Structural requirements inspection
6.3.1 Use the eccentric block to adjust the screen amplitude. 6.3.2 Check the requirements of 5.3.2, 5.3.3 and 5.3.4 by visual inspection. 6.3.3 Use a height gauge to measure the height limit deviation of the vibration absorber in the rotary vibrating screen. 6.3.4 The elastic materials used in spring shock absorbers shall be in accordance with the provisions in 5.3.6. 6.3.5 Use the comparison sample block to detect the surface roughness of the sieve frame. 6.4 Performance requirement testing
6.4.1 Visually inspect the working stability of the rotary vibrating screen. 6.4.2 Use an amplitude measuring instrument to measure the maximum radial amplitude, amplitude relative error and vibration frequency error of the vibrating screen. 6.4.3 Use a sound level meter to test the no-load noise of the rotary vibrating screen in accordance with the relevant provisions of CB/T16769. 6.4.4 After 1 hour of normal operation, use a point thermometer with an error of less than 1.5% to measure the temperature rise of the main bearing and the maximum temperature of the main shaft of the rotary vibrating screen. 6.4.5 Screening rate of rotary vibrating sieve Use 1.5kg of starch and 0.15mm standard sieve to sieve the under-sieve material after the screening test. Measure three times in total and take the arithmetic mean value according to formula (2) Calculate the screening rate G. Gl | | tt | | Object
S,—the under-sieved object after the i-th sieving test. ..(2)
6.4.6 Mixing rate of rotary vibrating sieve Use 1.5kg starch and 40.15mm standard sieve to sieve the residue after the sieving test. Measure three times in total and take Its arithmetic mean value is used to calculate the powder mixing rate H according to formula (3). H-lP
100%(n=3;im1,2.3...)
element point R
where:
R-first screening test The final sieve residue.
6.5 Electrical safety performance test
(3)
6.5.1 The continuity, insulation resistance and withstand voltage tests of the protective grounding circuit of the electrical system shall be in accordance with CB5226.1 respectively. The provisions of 19.2, 19.3 and 19.4 of 2002 are carried out. 6.5.2 The protective grounding circuit, buttons, indicators and displays, wiring, markings, warning signs and project codes of the electrical system shall be in accordance with 8.2, 10.2, 10.3, Chapter 14 and Chapter 17 of GB5226.1-2002 respectively. stipulations. 6.6 Appearance quality inspection
Inspect the appearance quality of the rotary vibrating screen visually. 7 Inspection Rules
7.1 Each rotary vibrating screen must pass the inspection by the inspection department of the manufacturing unit before leaving the factory. 7.2 Factory inspection and type inspection of rotary vibrating screening. 32
7.2.1 Factory inspection
7.2.1.1 Factory products must be inspected one by one according to the provisions of Table 2, and product certificates will be issued to qualified products. Table 2 Factory inspection items
Item category
General performance
Main performance
Inspection items
JB 20034—2004
Table 1, 5.3.5,5.3.8,5.4.1,5.4.3,5.4.4,5.4.5,5.4.6,5.5.4,5.5.5,5.5.6,5.5.7, 5.5.8, 5.6| |tt||5.4.2, 5.5.1, 5.5.2, 5.5.3
7.2.1.2 If unqualified products are found during the inspection process, the rotary vibrating screen is allowed to be returned for repair and re-inspection. If it fails, the product will be judged as a defective product.
7.2.2 Type inspection
7.2.2.1 Type inspection Inspection shall be carried out according to all the requirements of this standard. 7.2.2.2 Type inspection shall be carried out when one of the following situations occurs: a) When a new product is trial-formulated and identified:
b) When there are major improvements in the structure, materials, and processes of the product; e) Long-term suspension of production 2 When production is resumed after the year: d) During quality certification or quality arbitration.
7.2.2.3 Sampling inspection:
The prototypes for type inspection should randomly select 10% (at least one) from the products that have passed the factory inspection for testing according to the method specified in GB/T10111. | |tt | If one item of the rate fails, it will be judged as unqualified. If one of the other items is unqualified, the unqualified item should be retested twice. If the item is still unqualified, the product will be deemed to have failed the type inspection. 8 Logo, instruction manual, packaging, transportation and storage 8.1 The nameplate of each rotary vibrating screen should be fixed on an obvious part of the machine. The size and technical requirements of the nameplate should comply with the relevant regulations of GB/T13306. The nameplate content is as follows:
a) Product name:
b) Product model and specifications:
Production capacity, total power, rated voltage; e
d) Manufacturing plant Name:
e) product number and date of manufacture;
f) product standard number.
8.2 Instructions for use
Product instructions for use shall comply with the relevant provisions of CB/T9969.1. 8.3 Packaging Marks
The words and marks on the outer wall of the packaging box should be clear and have the following content: 33
2 Production Capacity Test
After the rotary vibrating screen passes the no-load test, use a single sieve with an inner diameter of 0.15mm (No. 6 pharmaceutical sieve), and use 6kg of corn starch in compliance with CB/T12309 for production capacity testing. The interrogation interval is 10 minutes each time, and a total of three measurements are taken. The arithmetic average is taken to calculate the production capacity according to formula (1).
Q-220.(n-3,.-1,2,3...)
.(1)
31
JB20034-2004|| tt||中：
Q:—The production capacity measured for the first time, kg/h. 6.3 Structural requirements inspection
6.3.1 Use the eccentric block to adjust the screen amplitude. 6.3.2 Check the requirements of 5.3.2, 5.3.3 and 5.3.4 by visual inspection. 6.3.3 Use a height gauge to measure the height limit deviation of the vibration absorber in the rotary vibrating screen. 6.3.4 The elastic materials used in spring shock absorbers shall be in accordance with the provisions in 5.3.6. 6.3.5 Use the comparison sample block to detect the surface roughness of the sieve frame. 6.4 Performance requirement testing
6.4.1 Visually inspect the working stability of the rotary vibrating screen. 6.4.2 Use an amplitude measuring instrument to measure the maximum radial amplitude, amplitude relative error and vibration frequency error of the vibrating screen. 6.4.3 Use a sound level meter to test the no-load noise of the rotary vibrating screen in accordance with the relevant provisions of CB/T16769. 6.4.4 After 1 hour of normal operation, use a point thermometer with an error of less than 1.5% to measure the temperature rise of the main bearing and the maximum temperature of the main shaft of the rotary vibrating screen. 6.4.5 Screening rate of rotary vibrating sieve Use 1.5kg of starch and 0.15mm standard sieve to sieve the under-sieve material after the screening test. Measure three times in total and take the arithmetic mean value according to formula (2) Calculate the screening rate G. Gl | | tt | | Object
S,—the under-sieved object after the i-th sieving test. ..(2)
6.4.6 Powder mixing rate of rotary vibrating sieve Use 1.5kg starch and 40.15mm standard sieve to sieve the residue after the sieving test. Measure three times in total and take Its arithmetic mean value is used to calculate the powder mixing rate H according to formula (3). H-lP
100%(n=3;im1,2.3...)
element point R
where:
R-first screening test The final sieve residue.
6.5 Electrical safety performance test
(3)
6.5.1 The continuity, insulation resistance and withstand voltage tests of the protective grounding circuit of the electrical system shall be in accordance with CB5226.1 respectively. The provisions of 19.2, 19.3 and 19.4 of 2002 are carried out. 6.5.2 The protective grounding circuit, buttons, indicators and displays, wiring, markings, warning signs and project codes of the electrical system shall be in accordance with 8.2, 10.2, 10.3, Chapter 14 and Chapter 17 of GB5226.1-2002 respectively. stipulations. 6.6 Appearance quality inspection
Inspect the appearance quality of the rotary vibrating screen visually. 7 Inspection Rules
7.1 Each rotary vibrating screen must pass the inspection by the inspection department of the manufacturing unit before it can leave the factory. 7.2 Factory inspection and type inspection of rotary vibrating screening. 32
7.2.1 Factory inspection
7.2.1.1 Factory products must be inspected one by one according to the provisions of Table 2, and product certificates will be issued to qualified products. Table 2 Factory inspection items
Item category
General performance
Main performance
Inspection items
JB 20034—2004
Table 1, 5.3.5,5.3.8,5.4.1,5.4.3,5.4.4,5.4.5,5.4.6,5.5.4,5.5.5,5.5.6,5.5.7, 5.5.8, 5.6| |tt||5.4.2, 5.5.1, 5.5.2, 5.5.3
7.2.1.2 If unqualified products are found during the inspection process, the rotary vibrating screen is allowed to be returned for repair and re-inspection. If it fails, the product will be judged as a defective product.
7.2.2 Type inspection
7.2.2.1 Type inspection Inspection shall be carried out according to all the requirements of this standard. 7.2.2.2 Type inspection shall be carried out when one of the following situations occurs: a) When a new product is trial-formulated and identified:
b) When there are major improvements in the structure, materials, and processes of the product; e) Long-term suspension of production 2 When production resumes after the year: d) During quality certification or quality arbitration.
7.2.2.3 Sampling inspection:
The prototypes for type inspection should randomly select 10% (at least one) from the products that have passed the factory inspection for testing according to the method specified in GB/T10111. | |tt | If the rate fails in one item, it will be judged as unqualified. If one of the other items is unqualified, the unqualified item should be retested twice. If the item is still unqualified, the product will be deemed to have failed the type inspection. 8 Logo, instruction manual, packaging, transportation and storage 8.1 The nameplate of each rotary vibrating screen should be fixed on an obvious part of the machine. The size and technical requirements of the nameplate should comply with the relevant regulations of GB/T13306. The nameplate content is as follows:
a) Product name:
b) Product model and specifications:
Production capacity, total power, rated voltage; e
d) Manufacturing plant Name:
e) product number and date of manufacture;
f) product standard number.
8.2 Instructions for use
Product instructions for use shall comply with the relevant provisions of CB/T9969.1. 8.3 Packaging Marks
The words and marks on the outer wall of the packaging box should be clear and have the following content: 33
3. The provisions of Chapter 14 and Chapter 17 shall be followed. 6.6 Appearance quality inspection
The appearance quality of the rotary vibrating screen shall be inspected visually. 7 Inspection rules
7.1 Each rotary vibrating screen shall be inspected and qualified by the inspection department of the manufacturing unit before it can leave the factory. 7.2 The rotary vibrating screen is divided into factory inspection and type inspection. 32
7.2.1 Factory inspection
7.2.1.1 The products leaving the factory must be inspected one by one according to the provisions of Table 2, and the qualified ones shall be issued with product certificates. Table 2 Factory inspection items
Item category
General performance
Main performance
Inspection items
JB 20034—2004
Table 1,5.3.5,5.3.8,5.4.1,5.4.3,5.4.4,5.4.5,5.4.6,5.5.4,5.5.5,5.5.6,5.5.7, 5.5.8, 5.6
5.4.2, 5.5.1, 5.5.2, 5.5.3
7.2.1.2 If unqualified products are found in the vibration screen during the inspection process, they are allowed to be returned for repair and re-inspection. If they are still unqualified, they are judged as unqualified products.
7.2.2 Type inspection
7.2.2.1 Type inspection is carried out in accordance with all the requirements of this standard. 7.2.2.2 Type inspection should be carried out in any of the following cases: a) When new products are being tested for trial production; b) When the structure, material and process of the product have been greatly improved; e) When production is resumed after a long-term suspension of 2 years; d) When quality certification or quality arbitration is carried out.
7.2.2.3 Sampling inspection:
10% (at least one) of the samples for type inspection shall be randomly selected from the qualified products of factory inspection according to the method specified in GB/T10111 for testing.
7.2.2.4 Judgment rules:
If one of the continuity, insulation resistance, withstand voltage, radial amplitude, screening rate and powder mixing rate of the electrical system protection grounding circuit in the electrical safety performance requirements is unqualified during type inspection, it shall be judged as unqualified. When one of the other items fails to meet the standards, the unqualified item shall be retested at double intervals. If it still fails, the product shall be deemed to have failed the type inspection. 8 Marking, instruction manual, packaging, transportation and storage 8.1 The nameplate of each vibrating screen shall be fixed in a conspicuous position on the machine. The size and technical requirements of the nameplate shall comply with the relevant provisions of GB/T13306. The contents of the nameplate are as follows:
a) Product name:
b) Product model and specifications:
Production capacity, total power, rated voltage; e
d) Manufacturer name:
e) Product number and date of manufacture;
f) Product standard number.
8.2 Instruction manual
The product instruction manual shall comply with the relevant provisions of CB/T9969.1. 8.3 Packaging mark
The text and logo on the outer wall of the packaging box shall be clear and have the following content: 33www.bzxz.net
3. The provisions of Chapter 14 and Chapter 17 shall be carried out. 6.6 Appearance quality inspection
Inspect the appearance quality of the rotary vibrating screen visually. 7 Inspection Rules
7.1 Each rotary vibrating screen must pass the inspection by the inspection department of the manufacturing unit before it can leave the factory. 7.2 Factory inspection and type inspection of rotary vibrating screening. 32
7.2.1 Factory inspection
7.2.1.1 Factory products must be inspected one by one according to the provisions of Table 2, and product certificates will be issued to qualified products. Table 2 Factory inspection items
Item category
General performance
Main performance
Inspection items
JB 20034—2004
Table 1, 5.3.5,5.3.8,5.4.1,5.4.3,5.4.4,5.4.5,5.4.6,5.5.4,5.5.5,5.5.6,5.5.7, 5.5.8, 5.6| |tt||5.4.2, 5.5.1, 5.5.2, 5.5.3
7.2.1.2 If unqualified products are found during the inspection process, the rotary vibrating screen is allowed to be returned for repair and re-inspection. If it fails, the product will be judged as a defective product.
7.2.2 Type inspection
7.2.2.1 Type inspection Inspection shall be carried out according to all the requirements of this standard. 7.2.2.2 Type inspection shall be carried out when one of the following situations occurs: a) When new products are trial-formulated and identified:
b) When there are major improvements in the structure, materials, and processes of the product; e) Long-term suspension of production 2 When production resumes after the year: d) During quality certification or quality arbitration.
7.2.2.3 Sampling inspection:
The prototypes for type inspection should randomly select 10% (at least one) from the products that have passed the factory inspection for testing according to the method specified in GB/T10111. | |tt | If one item of the rate fails, it will be deemed unqualified. If one of the other items is unqualified, the unqualified item should be re-tested twice. If it is still unqualified, the product will be deemed to have failed the type inspection. 8 Logo, instruction manual, packaging, transportation and storage 8.1 The nameplate of each rotary vibrating screen should be fixed on an obvious part of the machine. The size and technical requirements of the nameplate should comply with the relevant regulations of GB/T13306. The nameplate content is as follows:
a) Product name:
b) Product model and specifications:
Production capacity, total power, rated voltage; e
d) Manufacturing plant Name:
e) product number and date of manufacture;
f) product standard number.
8.2 Instructions for use
Product instructions for use shall comply with the relevant provisions of CB/T9969.1. 8.3 Packaging Marks
The words and marks on the outer wall of the packaging box should be clear and have the following content: 33
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