JB/T 9005.6-1999 JB/T 9005.6-1999 Casting pulley for crane, type C JB/T9005.6-1999 Standard download decompression password: www.bzxz.net

JB/T 9005.6 1999
This standard adopts DIN15421:1982 Part 1 to Part 3 "B-type wire rope pulley" and DIN15422:1982 Part 1 to Part 3 "A-type wire rope pulley". This standard is a revision of ZBJ80006.6--87 "Cast pulley type C for crane". Only editorial changes were made to the original standard during the revision, 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
JB/T 9005. 2-1999
JB/T 9005.3- 1999
JB/T 9005.4-
JB/T 9005.5--1999
JB/T 9005.6:-1999
JB/T 9005.7--1999
JB/T 9005.8 --1999
JB/T9005.9-1999
Rope groove section of cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Selection series and matching of diameter
Type, hub and bearing size
Cast pulley for crane D type
Cast pulley for crane
Cast pulley for crane
JB/T9005.10--1999Cast pulley for craneThis standard replaces ZBJ80006.6-87 from the date of implementation. Technical conditions
This standard is proposed and assigned 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. 428
1 Scope
Machinery Industry Standard of the People's Republic of China
Casting sheaves for cranes
Type C. Casting sheaves for cranesJB/T9005.6---1999
Replaces 7BJ80006.6--87
This standard applies to cast wire rope sheaves (hereinafter referred to as sheaves) with rolling bearings and inner bearing sleeves that require tight sealing within the scope of the movable sheave block of the crane.
Other sheaves in wire rope transmission, such as fixed sheaves or other load-bearing parts except movable sheave blocks, can also use sheaves 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. The versions shown are valid when this standard is published. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T68-1985 Slotted countersunk screws
GB/T276-1994 Rolling bearings Deep groove ball bearings Dimensions GB/T283--1994 Rolling bearings Cylindrical roller bearings Dimensions GB/T819-1985+ Slotted countersunk screws
3 Types and dimensions
3.1 C-type pulleys are divided into C, type (with deep groove ball bearings) and C type (with cylindrical roller bearings) according to the different types of rolling bearings used. For the types and dimensions of C-type pulleys, please refer to the provisions of Figure 1 and Table 1. B/2
Approved by the State Machinery Industry Bureau on June 28, 1999
Implementation on January 1, 2000
Marking example:
JB/T9005.6—1999
C-type pulley with wire rope diameter d=25mm, pulley diameter L)=630mm and diameter D1-90mm, marked as: JB/T9005.6-1999
Pulley C25X630-90
Rolling bearing code
According to GB/T276
According to GB/T283
Note: To facilitate the installation of the pulley, the axial clearance on each side should be specified to be at least 1mm in the connection structure. The dimensions of the inner sleeve (T) and spacer (H) for C-type pulleys are detailed in Figures 2, 3 and Table 2. 3.2
Marking example:
Inner sleeve (T) for C-type pulleys with a diameter LD of 90 mm and a length B of 125 mm is marked as: inner sleeve
T90X125 JB/T 9005.6--[999
Spacer (H) for C-type pulleys with a diameter D of 200 mm is marked as: Spacer H200 JB/T 9005.6---1999
Countersunk screw
GB/T 68
GB/T819
M8×20
M8×20
M10X25
MI0×25
M10X25
M10X25
M12X30
tt||M12 × 30
1999
Figure 2 (T) Inner bushing
Picture: Spacer ring (H)
H-Da-De
201140
130150Www.bzxZ.net
1400160
170190204
180/200214
19022 0234
200220
JB/T9005.6—1999
【Piece weight
For the dimensions of the cover (G) for C-type pulley, please refer to the provisions of Figure 4 and Table 3. 3.3
Marking example:
Groove-type sealing cover (G) for a C-type pulley with a diameter D of 200mm is marked as: cover G200
JB/T 9005.6-.1999
Piece weight
JB/T9005. 6.- 1999
Groove-type sealing cover (G)
Piece weight
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