JB/T 9005.10-1999 JB/T 9005.10-1999 Technical requirements for cast pulleys for cranes JB/T9005.10-1999 Standard download decompression password: www.bzxz.net

JB/T9005.10:1999
The wooden standard adopts DIN15063:1977 "Technical Conditions for Supply of Wire Rope Pulleys for Lifting Equipment".
This standard is a revision of ZBJ80006.1087 "Technical Conditions for Cast Pulleys for Cranes". During the revision, only editorial changes were made to the original standard, and the main technical content remained unchanged. This standard is a part of the JB/T9005 series of standards "Cast Pulleys for Cranes", which includes the following 10 parts: JB/T 9005.1—1999
Cast Pulleys for Cranes
JB/T 9005. 2-1999
JB/T 9005. 3-1999
JB/T 9005.4--1999
JB/T 9005.5
JB/T 9005. 6
JB/T 9005. 7--1999
JB/T 9005.8 - 1999
JB/T 9005. 9--1999
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
JB/T9005.10-1999
This standard replaces ZBJ80006.10---87 from the date of implementation. Selection series and matching
type of rope groove section
, hub and bearing size
technical conditions
This standard is proposed and managed by the National Technical Committee for Standardization of Hoisting Machinery. The responsible drafting unit of this standard: Dalian Daqi Group Co., Ltd. The main drafters of this standard are Zhou Yu'an and Cui Zhenyuan. 452
1 Scope
Machinery Industry Standard of the People's Republic of China
Casting sheaves for cranes
Technical conditions
Casting sheaves for cranes--Technical requirementsJB/T 9005.10-1999
Replaces ZBJ80006.1087
This standard applies to the cast wire rope sheaves (hereinafter referred to as sheaves) specified in JB/T9005.4~~9005.9. 2 Cited standards
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. Technical conditions for high-quality carbon structural steel
GB/T 699—1988
GB/T 700-
—1988
GB/T 1031
GB/T 1176—1987
GB/T 1348—1988
GB/T 1804- -1992
GB/T 9439---1988
GB/T 11352-
Carbon structural steel
Surface roughness
Parameters and values
Technical conditions for cast copper alloys
Ductile iron castings
General tolerances for linear dimensions without tolerances
Grey iron castings
Casting carbon steel parts for general engineering
GB/T 13384
JB/T 9005. 4-—1999
General technical conditions for packaging of electromechanical products
Casting pulleys for cranes
JB/T 9005.5--1999
JB/T 9005. 6--1999
JB/T 9005.7-
JB/T 9005. 8---1999www.bzxz.net
JB/T 9005. 9-1999
3 Technical requirements
3.1 Materials
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
The materials for the relevant parts of the pulley shall conform to the provisions of Table 1. 3.2 Appearance
The surface of the pulley shall be smooth and flat, and sharp edges and risers shall be removed. The pulley shall not have defects that affect the performance and damage the appearance (such as pores, cracks, looseness, slag inclusions, casting scars, etc.).
Approved by the State Bureau of Machinery Industry on 1999-06-28, implemented in 2000-0101
Parts name
Inner bushing
JB/T9005.10-1999
Cast steel shall not be lower than ZG270-500 in GB/T11352Cast steelCast iron shall not be lower than HT200 in GB/T9439Gray cast ironNodular cast iron shall not be lower than QT400-18 in G13/T1348Structural steel shall not be lower than 45 steel in GB/T699Structural steel shall not be lower than Q235A steel in GB/T700Cast iron shall not be lower than HT250 gray cast iron Cast iron should not be lower than HT150 gray cast iron in GB/I9439 Structural steel should not be lower than Q215A steel in FGB/T700
Structural steel should not be lower than Q235B steel in GB/T700: Cast iron should not be lower than HT150 gray cast iron in GB/T9439 Structural steel should not be lower than 45 steel in G13/T699 [Copper alloy should not be lower than ZCuAl10Fe3 bronze in GB/T1176 Note: For cranes with higher working levels (such as metallurgical cranes), cast iron pulleys are not allowed. 3.3 Heat treatment
The pulley should be annealed to eliminate casting or welding stress. 3.4 Dimensional tolerance and surface roughness
The tolerance grade of the machining surface card tolerance size shall be m grade (medium grade) in GB/T1804, and the unmarked machining surface roughness Ru value shall be 25μm in GB/T1031.
3.5 Form and position tolerances
The shape and position tolerances of the pulley shall comply with the provisions of Table 2. 3.6 Assembly
The assembled pulley shall be able to rotate flexibly. 3.7 Others
The processed parts (inner hole, rope groove surface, etc.) and the exposed parts of the pulley shall be coated with anti-corrosion anti-rust oil; the unprocessed parts shall be coated with anti-rust paint.
Type
Roundness
Line profile
Symbol description
Hub hole
Cross section
Allowed geometric tolerance
Roundness tolerance!
Tolerance zone of wheel support
Line profile within the tolerance zone of rope groove radius
1: Limit deviation of three rope groove radius
4 Inspection rules
Circular runout
JB/T9005.10--1999
Table 2 (end)
Symbol description
Allowed geometric tolerance
Rope groove bottom circular runout tolerance 1:
Pulleys should be inspected by the technical inspection department of the manufacturer. For each set of pulleys manufactured, The dimensions, technical requirements and markings shall be checked and shall comply with the requirements of this standard.
5 Marking, packaging, transportation and storage
5.1 Marking
Each pulley shall have a permanent and clear mark of the pulley standard number and the trademark of the manufacturer, and the mark shall be located in a conspicuous position on the pulley.
5.2 Packaging
The packaging of the pulley shall ensure that it is not damaged or corroded and shall comply with the provisions of GB/T13384. 5.3 Transportation
Pulleys shall be strictly prohibited from being bumped during transportation and shall not be damaged. 5.4 Storage
Pulleys shall be stored in a dry and ventilated place and shall not come into contact with acidic, alkaline or other corrosive substances; and shall be protected from rain, snow, water and long-term exposure to the sun.
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