JB/T 3566.3-1999 This standard is a revision of JB 3566.31-84 "Technical conditions for guide wheels of SH circulating freight aerial ropeway". During the revision, only editorial changes were made according to relevant regulations, and the main technical content remained unchanged. This standard is applicable to various specifications of guide wheels specified in JB/T 2790-1994 "Types and basic parameters of guide wheels of circulating freight aerial ropeway". This standard was first issued on April 17, 1984. JB/T 3566.3-1999 Technical conditions for guide wheels of circulating freight aerial ropeway JB/T3566.3-1999 Standard download decompression password: www.bzxz.net

ICS45.100
Machinery Industry Standard of the People's Republic of China
JB/T3566.3-1999
Circulating material ropeway Sheave Specifications
Published on 1999-06-28
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3566.3—1999
This standard is a revision of JB3566.3-84 "Technical Conditions for Guide Wheels of SH Circulating Material Ropeway". During the revision, the original standard was edited, and the main technical content remained unchanged. This standard replaces JB3566.3—84 from the date of implementation. This standard is proposed and managed by Beijing Hoisting and Conveying Machinery Research Institute. The drafting unit of this standard: Sichuan Mining Machinery Factory. The main drafters of this standard: Guo Linzhi, Zhang Jingxiang. 1
1 Scope
Machinery Industry Standard of the People's Republic of China
Circulating Material Ropeway
-Sheave Specifications
This standard applies to various specifications of guide wheels specified in JB/T2790 2 Reference Standards
JB/T3566.3—1999
Replaces JB3566.3—84
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699—1988
GB/T1184—1996
GB/T1804—1992
GB/T9439—1988Www.bzxZ.net
GB/T11352—1989
GB/T13306—1991
GB/T13384—1992
JB/T2790—1994
JB47301994
3 Technical requirements
3.1 General requirements
High-quality carbon structure Steel technical conditions
Tolerances of shape and position without tolerance value
General tolerances without tolerance of linear dimensions
Gray iron castings
Casting carbon steel parts for general engineering
General technical conditions for packaging of electromechanical products
Types and basic parameters of guide wheels for circulating freight aerial ropewaysNon-destructive testing of pressure vessels
3.1.1 Products shall comply with the requirements of this standard and be manufactured according to drawings and technical documents approved by the prescribed procedures3.1.2 All materials of parts shall be accompanied by certificates of conformity, otherwise they shall be tested and assayed and can only be used after they are qualified. 3.1.3 After annealing, cast iron parts shall not have defects such as scarring, shrinkage, pores, sand inclusions, etc. that affect strength. The performance shall comply with the provisions of GB/T9439.
3.1.4 Steel castings shall be annealed. For defects that are allowed to be repaired, they shall be repaired before finishing. After welding, the welding internal stress should be eliminated. Performance should comply with the provisions of GB/T11352
3.1.5 All dimensions without tolerances marked on the drawings should comply with the provisions of Class m in GB/T1804. 3.2 Main parts
3.2.1 Sheaves and rollers
3.2.1.1 The material should comply with the provisions of ZG270-500 steel in GB/T11352. 3.2.1.2 The radial runout and end face runout of the outer circle and the reference end face to the inner hole axis should comply with the provisions of Class 11 in GB/T1184. Approved by the State Bureau of Machinery Industry on June 28, 1999 and implemented on January 1, 2000
JB/T3566.3-1999
3.2.1.3 The cylindrical tolerance of the inner hole should comply with the provisions of Class 8 in GB/T1184. 3.2.2 Shaft
3.2.2.1 The material shall comply with the provisions of 45 steel in GB/T699. 3.2.2.2 After quenching and tempering, the hardness shall be 220~250HB. 3.2.2.3
After rough machining, ultrasonic flaw detection shall be carried out according to the third level specified in JB4730. 3.2.2.4 At the assembly of rolling bearings, the cylindrical tolerance of the journal shall comply with the provisions of level 7 in GB/T1184. 3.2.3 Bushing
3.2.3.1 The cylindrical tolerance of the inner hole and outer circle shall comply with the provisions of 3.2.1.3 and 3.2.2.4. 3.2.3.2 The circular runout of the outer circle to the inner hole axis shall comply with the provisions of level 8 in GB/T1184. 3.3 Assembly
3.3.1 All parts can be assembled only after they have passed the inspection. 3.3.2 Each fastener must be fastened securely and not loose. 3.3.3 Turn the rope wheel by hand, the rope wheel should be able to rotate flexibly and without abnormal noise. 3.4 Paint
3.4.1 The guide wheel must be free of burrs, rust and oil stains before painting. 3.4.2 The painted surface should be uniform and complete, and no roughness or unevenness is allowed. 3.4.3
The non-machined surface of the rope wheel (or roller) is painted with red paint, and the non-machined surface of other parts is painted with gray paint. 4 Inspection rules
4.1 The radial circular runout and end circular runout of the outer circle and reference end face of the guide wheel to the axis shall comply with the provisions of Class 12 in GB/T1184.
4.2 After the guide wheel passes the inspection, the quality inspection department of the manufacturer shall issue a product quality certificate. 5 Marking and packaging
5.1 Each guide wheel shall be fixed with a product label in an obvious position, and its type and size shall comply with the provisions of GB/T13306, and the following contents shall be marked:
a) Product name;
b) Product model:
c) Main technical parameters:
d) Production date:
e) Production number:
f Manufacturer name.
5.2 The packaging shall comply with GB/T13384 and the relevant transportation requirements of railways, roads and shipping. 5.3 The following technical documents are attached: a) Packing list; b) Quality certificate; c) Installation and maintenance instructions, assembly drawings, wearing parts drawings 2 Mechanical industry standards Circulating freight aerial ropeway Technical conditions for guide wheels JB/T35663—1999 Published by the Mechanical Science Research Institute Printed by the Mechanical Science Research Institute (Beijing Capital) No. 2, Ti-nan Road, Postal Code 100044)*
K Number of words XXX,XXX
Book size 880×1230
Printing sheet x/X
Edition X, XX, 19XX
Printing, xX, 19XX
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Price XXXXX Yuan
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