JB/T 5496-1991 General Technical Requirements for Vibrating Screen Manufacturing JB/T5496-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T5496-91
General Technical Conditions for Vibrating Screen Manufacturing
Published on July 22, 1991
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Implemented on July 1, 1992
Mechanical Industry Standard of the People's Republic of China
General Technical Conditions for Vibrating Screen Manufacturing
Subject Content and Scope of Application
This standard specifies the general technical conditions for the manufacture and inspection of vibrating screens and their components. This standard applies to vibrating screens with linear, circular and elliptical motion trajectories. 2 Reference standards
JB/ZQ4000.1
JB/ZQ4000.2
JB/ZQ4000.3
JB/ZQ4000.4
JB/ZQ4000.5
JB/ZQ4000.7
JB/ZQ4000.9
JB/ZQ4000.10
JB/ZQ4286
3 Cutting parts| |tt||General Technical Requirements for Product Inspection
General Technical Requirements for Cutting Parts
General Technical Requirements for Welding Parts
General Technical Requirements for Flame Cutting Parts
General Technical Requirements for Castings
General Technical Requirements for Forgings
General Technical Conditions
General Technical Conditions
General Technical Conditions
Where there are no special provisions in product drawings or design documents, they shall comply with the provisions of JB/ZQ4000.2. 3.1
JB/T549691
3.2 The holes for connecting vibration motors and box-type vibrators to the mounting beams and the holes for connecting bearing seats to the side plates shall ensure interchangeability requirements. 4
Welding Parts
Where there are no special provisions in product drawings or design documents, they shall comply with the provisions of JB/ZQ4000.3. 4.1
The flatness tolerance of steel plate is 1mm for every 1000mm length. 4.3. The straightness tolerance of angle steel, I-beam and channel steel is 1mm for every 1000mm length. 4.4 The cutting of steel plate, angle steel, I-beam and channel steel shall be processed by cutting, shearing, contour cutting and automatic cutting. 4.5 Plates and profiles shall not be spliced ​​in general.
Note: When the side plate exceeds 1800mm, it shall be spliced ​​according to the requirements of the drawing, but the weld must be inspected by flaw detection. 4.6 Spot welding and arcing on the surface of plates and profiles are not allowed. 4.7 Horizontal welding shall not be performed when welding crossbeams.
4.8 Welding shall not be performed within 13mm of the overlapped end. 4.9 Profiles shall be pre-treated before welding.
The vibrator mounting beam and crossbeam shall be stress relieved after welding. 5 Flame-cut parts
When there are no special provisions in the product drawings or design documents, flame-cut parts shall comply with the provisions of JB/ZQ4000.4. Approved by the Ministry of Machinery and Electronics Industry on July 22, 1991 and implemented on July 1, 1992
JB/T5496-91
When there are no special provisions in the product drawings or design documents, castings shall comply with the provisions of JB/ZQ4000.5. 6.2
The roughness of the non-machined surface shall comply with the provisions of Table 1. Table 1
Casting weight
Surface roughness value R
Visible defects include the following:www.bzxz.net
≤500
>500~1000
Key parts such as eccentric block, balance wheel, pulley, housing, sealing plate, etc. shall not have cracks: For all castings, casting defects should be controlled according to Table 2 without affecting their strength properties. Table 2
Weight of castings
Maximum allowable defects
Number (pieces)
≤500
Note: ①The number of defects refers to the number within the area of ​​100mm×100mm;>500~2000
②Maximum depth of defects: less than 30% of the thickness for steel castings, less than 15% of the thickness for iron castings, and forgings
When there are no special provisions in the product drawings or design documents, forgings shall comply with the provisions of JB/ZQ4000.7. Assembly requirements
>1 000
>2 000
When there are no special provisions in the product drawings or design documents, the product assembly shall comply with the provisions of JB/ZQ4000.9. 8.2
The contact surface should be cleaned before fastening and riveting, and there should be no burrs, burrs, intermediate inclusions, etc. Before riveting, the joints shall not be fixed by spot welding. When welding, arc shall not be struck on the screen. 8.3
When riveting with annular groove rivets, the following provisions shall be met:8.4
When the nail sleeve has not reached the predetermined deformation and the nail tail is pulled off, the waste nails shall be removed and riveted again. When the nail sleeve has reached the predetermined deformation and the nail tail has not been pulled off, it shall be cut off with a grinding wheel and shall not be hammered. 8.5 Support springs shall be selected in groups.
Coating requirements
When there are no special provisions in the product drawings or design documents, the product coating shall comply with the provisions of JB/ZQ4000.10. 10 Packaging requirements
When there are no special provisions in the product drawings or design documents, the product packaging shall comply with the provisions of JB/ZQ4286. 11. Inspection requirements
Product inspection shall comply with the provisions of JB/ZQ4000.1. 2
Additional Notes:
JB/T549691
This standard was proposed by the National Technical Committee for Standardization of Mining Machinery. This standard is under the jurisdiction of Luoyang Mining Machinery Research Institute. This standard was drafted by Anshan Mining Machinery Factory. The main drafters of this standard are Zheng Shaoli, Xu Weiyao, Wu Wancai, Wang Qingzhang and Jiang Fuxiang. 3
People's Republic of China
Mechanical Industry Standard
General Technical Conditions for Vibrating Screen Manufacturing
JB/T5496-91
Published and distributed by the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry (P.O. Box 8144, Beijing
Postal Code 100081)
Copyright reserved
Reproduction prohibited
Printed by Qinghe County Printing Factory, Hebei Province
Format 880×1230
Sheet 1/2
Word count 6000
First edition in August 1991
First printing in August 1991
Print count 00.001-1000
Price 0.80 yuan
No. 0102
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.