This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and manufacturing guarantee of YKR circular vibrating screen. This standard is applicable to circular vibrating screens for screening bulk materials such as coal, ore and coke. JB/T 6388-1992 YKR circular vibrating screen JB/T6388-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6388..-92
YKR Circular Vibrating Screen
Published on 1992-07-14
Implementation of the Ministry of Machinery and Electronics Industry of the People's Republic of China on 1993-0701
Mechanical Industry Standard of the People's Republic of China
YKR Circular Vibrating Screen
Subject Content and Scope of Application
JB/T6388-92
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and manufacturing guarantee of YKR circular vibrating screen (hereinafter referred to as circular vibrating screen). This standard applies to circular vibrating screens for screening bulk materials such as coal, ore and coke. 2 Reference standards
GB3768
GB4064
GB11352
GB/T13306
GB/T13384
JB2299
JB4042
JB/ZQ4000.3
JB/ZQ4000.7
JB /ZQ4000.10
3 Product classification
3.1 Model representation
3.2 Type structure
Packaging, storage and transportation diagrams
Technical conditions for high-quality carbon structural steel
Carbon cable structural steel
Determination of sound power level of noise source
Simplified method
Safety guide for electrical equipment
General Cast carbon steel parts for engineering
General technical conditions for packaging of electromechanical products
Painting colors and safety signs for mining, engineering, lifting and transportation machinery productsVibrating screen test methods
General technical requirements for welded parts
General technical conditions for forgings
General technical conditions for coating
Screen surface length, dm
Screen surface width, dm
Flexible connection
Block eccentric vibrator
Circular vibrating screen
Number of screen layers (single layer is not marked)
Circular vibrating screen is seat-type, left-mounted or right-mounted (looking at the direction of material flow, the motor is on the left for left-mounted and the right for right-mounted). Structural type as approved by the Ministry of Machinery and Electronics Industry on July 14, 1992 and implemented on July 1, 1993
3.3 Basic parameters|| tt||JB/T638892
1-screen box; 2-support spring and front support; 3-vibrator; 4-motor and support; 5-support spring group and rear support; (+)-logistics direction Basic parameters should comply with the provisions of the following table
Basic parameters
Screen box specifications
Width × length
Screen surface area
Number of screen surface layers
Screen hole Size
Screen inclination
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
YKR1022
2YKR1022
1000×2250
27~135
y132s-4
y160M -4 | |tt | |YKR1237||tt ||1200×3750
54~270
y132M-4
Basic parameters
Screen box specifications
Width×length
Screen surface area
Number of screen layers
Screen hole size
Screen surface inclination
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
Screen box specifications
Width×length
Screen surface area
Number of screen layers
Screen hole size
Screen surface inclination
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
2YKR1237|| tt||1200 × 3750 ||tt | tt||13.67~15.0 0 | |tt | tt||75~378||tt ||y160M-4
YKR1645
75~378
y180M-4
2YKR1645
1600×4500
13.67~15.00
72~360
y180M-4
86~432
y16 0L-4
86~432
y180M-4
Screen box specifications
Width×length
Screen surface area
Number of screen layers
Screen hole size
Screen surface angle
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Motor|| tt||Machine weight
Screen box specifications
Width×length
Screen area
Number of screen layers
Screen hole size
Screen surface inclination
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
YKR1837
1800 ×3750
y160L-4
YKR2037
2000×3750
90~450
y160L4
JB/T638892
YKR1845
2YKR1845
1800×4 500
97~48 6 | | tt | | y160L-4 | | tt | | YKR2045 |
13.67~15.00
108~540
YKR1852
2YKR1852
1800×5250
113567
y180M-4
YKR2052
113~567
y200L-4
2YKR2052
2000×5250
126~630
y180M-4
126~630
y200h-4
Basic parameters
Screen box specifications
Width×Length
Screen surface area
Number of screen layers
Screen hole size
Screen angle
Double amplitude
Maximum
Feeding particle size
Processing capacity
Machine weight
Screen box specifications
Width×length
Screen area
Number of screen layers
Screen hole size
Screen inclination
Double amplitude
Maximum
Feeding particle size
Processing capacity
Motor
Machine weight
YKR2060
JB/T6388—92
2YKR2060|| tt | |tt||y2001,4
2YKR2452
2400×5250
151~756
y180t-4
151~756
YKR2460
129~648
y18 0M-4
2YKR2460
2400×6000
13.67~15.00
172~864
y180L-4
172~864
y225S4
129~648
y200L-4
YKR3045
3000×4500
162~810
y180t-4
Screen box specifications
Width×Length
Screen surface area
Number of screen layers
Screen hole size
Screen surface angle|| tt||Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
Screen box specifications
Width×length
Screen surface area
Number of screen layers
Screen hole size
Screen surface angle
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Motor
Machine weight
2YKR3045
3000×4500
162~810
y225s-4
YKR3645
JB/ T6388-92 | | tt | -4
194~972
y225S-4
13.67~15.00
189~945
y225s-4
YKR3652
YKR3060
2YKR3060||tt ||3000×6000
216~1080
y200L-4
2YKR3652
3600×5250
13.67~15.00
227~1134
y2001-4
y225M- 4
YKR3660
216~1080
y225s-4
2YKR3660
3600×6000
259~1296
y225S-4
y225M-4
base This parameter
Screen box specifications
Width×Length
Screen surface area
Screen surface layers
Screen hole size
Screen surface angle
Double amplitude
Maximum allowable
Feeding particle size
Processing capacity
Machine weight
YKR3675
JB/T6388--92
Product type
2YKR3675
3600×7500
324~1620
y225S4
y250M-4
Note: ①Processing capacity and machine weight are reference values. ②The motor can use the corresponding specification of yB series motor. YKR4252
4200×5250
13.67~15.00
264~1323
y225M-4
③The weight of the machine does not include the weight of the motor and the support and the front and rear supports of the screen machine. 4 Technical requirements
YKR4260
4200×6000
302~1512
y225M-4
Circular vibrating screens shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. General technical requirements
Carbon steel castings shall comply with the provisions of GB11352. Ordinary carbon steel parts shall comply with the provisions of GB700. High-quality carbon steel parts shall comply with the provisions of GB699. Welded parts shall comply with the provisions of JB/ZQ4000.3. Forgings shall comply with the provisions of JB/ZQ4000.7. Purchased parts shall have a certificate of conformity. Outsourced parts shall be inspected by the quality management department before assembly. The materials used for each part shall have a material certificate or laboratory inspection report. Machine performance requirements
Requirements for normal operation:
The double amplitude difference of the symmetrical points of the two side plates shall not exceed 1mm; the lateral swing of the screen box shall not exceed 1mm;
The frequency deviation of the screen machine shall not exceed ±2.5%;
The bearing temperature rise shall not exceed 45℃, and the maximum temperature shall not exceed 85℃; The no-load noise shall not exceed 85dB(A).
YKR4275bzxZ.net
4200×7500
378~1890
y250M-4
4.3.2 Requirements during shutdown:
JB/T6388-92
The shutdown amplitude (resonance amplitude) of the screen machine shall not be greater than 5 times the working amplitude; a.
b. The shutdown time shall not exceed 308.
4.3.3 The screen plate shall be firmly fixed on the screen frame and shall not be loose. 4.4 Requirements for main components
4.4.1 Screen box
4.4.1.1 Both side plates and crossbeam steel pipes shall not be spliced, and the side plates shall be bent as a whole plate.4.4.1.2 The connecting parts of each connecting part of the screen frame shall use high-strength bolts or ring groove rivets, and their tensile strength shall not be less than 900MPa. 4.4.1.3 After the screen frame is formed, the difference in the length of the two diagonals shall not exceed 1mm for every 1000mm. 4.4.1.4 The flatness tolerance of each screen surface is 2mm4.4.1.5 The screen plate only uses two sizes (600mm×750mm and 400mm×750mm). It should be interchangeable and universal in screen boxes of various specifications.
4.4.1.6 Screen plates of various materials should be interchangeable. 4.4.2 Vibrator
4.4.2.1 The vibrator is eccentric and external. 4.4.2.2 The vibrator should rotate flexibly after assembly, and the axial movement should not exceed 2mm. 4.4.3 The supporting spring should be a rubber spring or a composite spring, and the two should be interchangeable. The springs used for each screen should be selected in groups, with a front-to-back height difference of no more than 5mm and a stiffness difference of no more than 5%. 4.5 Painting requirements
4.5.1 The painted surface should comply with JB/ZQ4000.10, all non-machined surfaces must be free of rust and oil before painting, and the exposed machined surfaces must be coated with anti-rust oil.
4.5.2 The paint color should comply with the provisions of JB2299. 4.6 Safety requirements
4.6.1 The electrical equipment of the circular vibrating screen should comply with the provisions of GB4064. 4.6.2 The distance between the vibrating part and the surrounding fixed facilities should not be less than 80mm. 4.7 Completeness
4.7.1 The complete set of vibrating screen includes the screen body, support spring group and support, motor and support, coupling, V-belt. Spare parts and wearing parts are provided according to the order contract. 4.7.2
Technical documents, installation and use instructions, certificates, installation drawings, complete set delivery list and wearing parts drawings, test methods and inspection rules
The test methods of circular vibrating screens shall comply with the provisions of JB4042. 5.1
The manufacturer shall conduct no-load tests for no less than 4 hours before the vibrating screens leave the factory, and shall meet the following requirements: The performance of the whole machine shall meet the relevant provisions of Article 4.3; a.
b. All lubrication points and oil seals shall not leak oil; C. After idling, check all connecting bolts and tighten them. 5.3 Noise measurement shall comply with the provisions of GB3768. 5.4 Surface quality visual inspection.
Use a point thermometer to measure the bearing temperature at the oil hole. 5.6
Measure the overall dimensions and dimensions with a steel ruler, vernier caliper and feeler gauge. 5.7
Assembly type shall meet the ordering requirements.
The product can only leave the factory after passing the inspection, and it shall be accompanied by documents proving the quality of the product. 5.9
The user has the right to check whether the product quality and indicators meet the requirements of this standard. 6 Marking, packaging, transportation, storage
6.1 Product marking
JB/T638892
6.1.1 Each circular vibrating screen shall be fixed with a product label in an obvious place that is not easy to be damaged or fall off. The type and size of the label shall comply with the provisions of JB/T13306.
6.1.2 The label shall include the following contents:
a. Model, specification and name;
Main technical parameters;
Factory number and date;
Name of the manufacturing unit.
Products that have won the National Quality Award may be accompanied by a quality mark, and products that have won the Ministry of Excellence may also be accompanied by a corresponding mark. The text mark on the outside of the packaging body shall comply with the provisions of GB191. Complete sets of circular vibrating screens shall be packaged according to the packing list and shall comply with the provisions of 4.7 on complete sets. 6.4
The screen body shall be partially wrapped, the exposed processed surface shall be coated with anti-rust oil and wrapped with plastic cloth. Other packaging shall comply with the provisions of GB/T13384. For export products, the requirements of foreign trade departments and foreign merchants shall be considered. 6 Products shall be shipped in accordance with the requirements of land and water transportation. 6.6
6.7 Products shall be stored flat and stable, with a certain distance from the ground, and shall not be stacked. When stored in the open air, measures shall be taken to prevent sun exposure, rain and water accumulation.
6.8 Products shall be maintained once they have been stored for more than half a year. 7.1 The manufacturer shall ensure that the vibrating screen meets the requirements of this standard when it leaves the factory. 7.2 Under the premise that the user complies with the instruction manual and the relevant clauses of this standard, if the product fails to work properly due to poor manufacturing quality within 2 years from the date of delivery or within 1 year from the date of installation by the user, the manufacturer shall repair or replace parts (excluding wearing parts) free of charge. Additional notes:
This standard was proposed and approved by the Luoyang Mining Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by Nanchang Mining Machinery Factory, and the main drafters of this standard were Gan Dengtan and Yang Longchang.
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