JB/T 8556-1998 This standard is formulated with reference to NF-22-614-81 "Technical data required for coupling selection". This standard specifies the unified content format of technical data provided by coupling manufacturers and is applicable to the selection of various couplings. JB/T 8556-1997 Technical data for selecting couplings JB/T8556-1997 Standard download decompression password: www.bzxz.net

JB/T8556-1997
This standard is formulated with reference to NFE22-614--81 "Technical data required for selecting couplings for couplings". This standard is proposed by the National Technical Committee for Standardization of Machine Shafts and Accessories and is under the jurisdiction of the drafting units of this standard: Machinery Standardization Research Institute of the Ministry of Machinery Industry, Tongji University, and Guizhou Metallurgical Transmission Machinery Factory. The main drafters of this standard are Zhou Mingheng, Lian Xiangjiao, Chen Zhulin, and Cheng Guogang. 131
1 Scope
Machinery Industry Standards of the People's Republic of China
Technical data for selecting couplings
JB/T 8556 -- 1997
This standard specifies the unified content and format of technical data provided to coupling manufacturers and selectors, and is applicable to the selection of various couplings. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB1144--87 Rectangular spline dimensional tolerances and inspection GB/T3478.1~3478.9-1995 Cylindrical spur involute spline GB/T3852-1997 Coupling shaft hole and connection type and size GB12458-90 Mechanical coupling classification
JB/T7511-94 Mechanical coupling selection calculation JB/T7934-95 Expansion connection sleeve type and basic size 3 Driving machine
3.1 Type
3.1.1 Motor
Frequency:
3.1.1.1 DC
(single-phase
3.1.1.2 AC:
3. 1.2 Hydraulic motor
3.1.3 Gas turbine
3.1.4 Internal combustion engine
3.2 Technical parameters
3.2.1 Maximum power
3.2.2 Theoretical torque
3.2.3 Maximum torque at the drive end
3.2.4 Maximum speed of the coupling
3.2.5 Working speed of the coupling
4 Driven machine
4.1 Type
Product manual
or detailed list
4.2 Technical parameters
Approved by the Ministry of Machinery Industry of the People's Republic of China on April 15, 1997 132
ntun x
1998-01~01Implementationbzxz.net
4.2.1 Maximum power
4.2.2 Theoretical braking torque
4.2.3 Maximum torque at the driven end
4.2.4 Moment of inertia at the braking end of the coupling
4.2.5 Daily working hours
4.2.6 Number of starts per hour
4.2.7 Reversal: yes or no
4.2.8 Frequency
5 Installation
5.1 Transmission system diagram or instruction manual
JB/T 8556-1997
Briefly describe the transmission system diagram between the driver and the driven machine, and specify the type of coupling required. Example: Transmission system diagram, see Figure 1.
1-Driver, 2-Elastic coupling; 3-Reducer; 4-Universal coupling; 5-Driver Figure 1
Transmission system diagram or instructions
5.2 Technical parameters for installation
5.2.1 Angular displacement error
5.2.2 Radial displacement error| |tt||5.2.3 Axial displacement error
5.2.4 Torsion angle
5.2.5 Position of shaft: vertical
{horizontal
5.2.6 Change of load transmitted by coupling: yes
【axial
radial
(refer to the instruction manual
5.2.7 Is it necessary to move the relevant machine when disengaging the coupling in the axial direction: yes or no. 5.2.8 Is it necessary to disassemble the relevant machine when disassembling the coupling: yes or no. 5.2.9 Distance between the driving and driven shaft ends
5.3 Technical parameters of coupling
5.3.1 Driving end
5.3.1.1 Cylindrical shaft hole: shaft diameter
5.3.1.2 Conical shaft hole: in accordance with the provisions of GB/T3852. , shaft extension L
kg·m2
[Type
5.3.1.3 Key
JB/T 8556—1997
Key dimensions
I None According to the provisions of GB/T3852.
5.3.1.4 Involute spline: According to the provisions of GB/T3478. 5.3.1.5 Rectangular spline: According to the provisions of GB1144. 5.3.1.6 Clamping sleeve: According to the provisions of JB/T7934. 5.3.2 Driven end
5.3.2.1 Cylindrical shaft hole: Shaft diameter
5.3.2.2 Conical shaft hole: According to the provisions of GB/T3852 {with type
built (without type according to the provisions of GB/T3852.
5.3.2.4 Involute spline: According to the provisions of GB/T3478. 5.3.2.5 Rectangular spline: According to the provisions of GB1144. 5.3.2.6 Clamping sleeve: According to the provisions of JB/T7934. 6 Working environment
Minimum temperature
6.1 Ambient temperature
(Maximum temperature
(Temperature of the coupling environment, considering radiant heat)6.2
Storage temperature
6.3 Air
【Minimum temperature
Maximum temperature
Humid air
Dust-containing air
[Acidic
Air containing chemical media?Alkaline
Oil-containing air
(Salty
Air containing explosive gas: with or without required service life
Required service life
8 Coupling specifications
Determine the coupling specifications after calculation according to JB/T7511. 9 Coupling marking
According to the provisions of GB12458.
10 Other technical requirements
, shaft extension 1
, key size
Relative humidity
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