This standard specifies the mounting flange and shaft extension dimensions of the internal curve (outward acting) type low speed high torque hydraulic motor. JB/T 5920.1-1991 The mounting flange and shaft extension dimensions of the internal curve (outward acting) type low speed high torque hydraulic motor series 20 ~ 25MPa shaft motor JB/T5920.1-1991 standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB5920.1-91
Dimension series of mounting flanges and shaft extensions of internal curve (outward acting) type low speed and high torque hydraulic motors Part 1 Shaft-rotating motors with a displacement of 20 to 25 MPa Issued on December 11, 1991
Issued by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Implementation on July 1, 1992
Mechanical Industry Standard of the People's Republic of China
Dimension series of mounting flanges and shaft extensions of internal curve (outward acting) type low speed and high torque hydraulic motors Part 1 Shaft-rotating motors with a displacement of 20 to 25 MPa
JB5920.191
This standard adopts the international standard ISO3019.3-1988 "Hydraulic transmission--Positive displacement pumps and motors--Dimension series and marking codes of mounting flanges and shaft extensions--Part 3: Polygonal flanges (including circular flanges)". 1 Subject content and scope of application
This standard specifies the mounting flange and shaft extension dimensions of the inner curve (outward acting) type low speed and high torque hydraulic motor. This standard applies to inner curve (outward acting) type hydraulic motors with a rated pressure of 20-25MPa and a displacement range of 0.25-12L/r.
2 Reference standards
GB1801
3 Mounting flange
Dimension series and markings of mounting flanges and shaft extensions for hydraulic pumps and motors (II) Terms and dimensions of cylindrical spur involute splines (tooth side fit) Calculation of cylindrical spur involute splines (tooth side fit) Dimension table Tolerances and fits
Polygonal flanges (including circular flanges)
The types and dimensions of polygonal mounting flanges (packaging circular mounting flanges) are shown in the following figure and table. 4 Shaft extension
The dimension series of involute spline shaft extensions are shown in the following figure and table. Tolerances and fits shall be in accordance with GB3478.1 and GB3478.2. 5 Markings
shall be in accordance with GB2353.2.
Approved by the Ministry of Machinery and Electronics Industry on December 11, 1991 and implemented on July 1, 1992
JB5920.1—91
JB5920.1—91
(00)（06）(02
(9)0）
009·T
000·T
Additional notes:
JB5920.191
This standard was proposed and managed by the National Hydraulic and Pneumatic Standardization Technical Committee. This standard was drafted by the Beijing Institute of Automation of the Machinery Industry of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are He Guomin and Hao Zhenhua. People's Republic of China
Mechanical Industry Standard
Dimensional Series of Mounting Flange and Shaft Extension of Outward-acting Low-speed High-torque Hydraulic Motor Part 1 Shaft-rotating Motor of 20-25MPawwW.bzxz.Net
JB5920.1-91
Published and distributed by the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry (P.O. Box 8144, Beijing
Copyright
Postal Code 100081 ）
No reproduction
Printed by Qinghe County Printing Factory, Hebei Province
Format 880×1230
Printing sheet 1/2
Number of words 6000
First printing in March 1992
First edition in March 1992
Print run 00.001--1000
Price 1.00 yuan
No. 0536
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