JB/T 9005.8-1999 JB/T 9005.8-1999 Casting pulley for crane E type JB/T9005.8-1999 Standard download decompression password: www.bzxz.net

JB/T9005.8-1999
This standard is a revision of ZBJ80006.8-
87 "Cast Pulley for Crane
E Type". During the revision, only editorial changes were made to the original standard, and the main technical content remained unchanged. This standard is part of the JB/T9005 series of standards "Cast Pulley for Crane", which includes the following 10 parts; Rope groove section
JB/T9005.1--1999
Cast Pulley for Crane
JB/T 9005.2-- 1999
JB/T 9005.3-1999
JB/T 9005.4—1999
JB/T 9005.5—1999
JB/T 9005.6--1999
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
JB/T 9005.10 --1999
Cast pulley for crane
Selection series and matching of diameter
Type, hub and bearing size
Technical conditions
This standard replaces ZBJ80006.8—87 from the date of implementation. 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: Zhou Yu'an and Cui Zhenyuan. 440
1 Scope
Machinery Industry Standard of the People's Republic of China
Casting sheaves for cranes
Type E--Casting sheaves for cranesJB/T9005.8—1999
Replaces ZB J80 006. 887
This standard applies to cast wire rope pulleys (hereinafter referred to as pulleys) with rolling bearings and no inner sleeves that require general sealing within the scope of crane movable pulley blocks.wwW.bzxz.Net
Other pulleys in wire rope transmission, such as fixed pulleys or other load-bearing parts except movable pulley blocks, can also use pulleys specified in this standard.
2 Referenced 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 parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T276-1994 Rolling bearings Deep groove ball bearings Dimensions GB/T283--1994 Rolling bearings Cylindrical roller bearings Dimensions 3 Types and dimensions
3.1 E-type pulleys are divided into E: type (with deep groove ball bearings) and E: type (with cylindrical roller bearings) according to the different types of rolling bearings used. The types and dimensions of E-type pulleys are detailed in Figure 1 and Table 1. B:/2
Approved by the State Machinery Industry Bureau on June 28, 1999
Implementation on January 1, 2000
JB/T9005.8--1999
Marking example:
E, type pulley with wire rope diameter d=25mm, pulley diameter D=630mm and diameter D,-130mm, marked as: Pulley E,25X630-130 JB/T 9005.8--1999 Table 1
3.2 For the dimensions of spacers (AT or BT) for E type pulleys, please refer to the provisions in Figures 2, 3 and Table 2. ar
(Used when installing a pulley on the pulley shaft) Figure 2 Spacer (AT)
Rolling bearing code
According to GB/T276According to GB/T283
(Used when installing multiple pulleys in parallel on the pulley shaft) Figure 3 Spacer (BT)
Marking example:
JB/T 9005.8-1999
For E-type pulley with diameter D=130mm, use spacer (AT), marked as: spacer AT130JB/T9005.8—1999
For E-type pulley with diameter D=130mm, use spacer (BT), marked as: spacer BT130JB/T9005.8--1999
Note: B=2B.
Single piece weight kg
I3T type
3.3For the dimensions of the cover (G) for F pulley, please refer to Figure 4 and Table 3. Figure 4 Block cover (G)
Marking example:
Block cover (G) for E-type pulley with diameter 1D)=1.30mm, marked as: Block cover G130JB9005.8-1999
Single piece weight kg
AT type BT type
JB/T 9005.8-
Single piece weight base
3.4For the dimensions of the spacer ring (H) for E-type pulley, please refer to the provisions of Figure 5 and Table 4. 1XD
cx45°/
Figure 5 Spacer ring (H)
Marking example:
The spacer ring (H) for E-type pulley with a diameter of 1)J30mm is marked as: 1)
Spacer ring H130JB/T9005.8-1999
Single piece weight
JB/T9005.8---1999
5For the dimensions of the expansion ring for F-type pulley, please refer to the provisions of Figure 6 and Table 5. Marking example:
Diameter D, 230mm E-type pulley with expansion ring, marked as: 10
Expansion ring 230JB/T9005.8—1999
Single piece weight
JB/T 9005.8--- 1999
Figure 6 Expansion ring
Single piece weight
Single piece weight
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