This standard adopts ISO 6431-1981. This standard specifies the installation dimensions of detachable single-rod cylinders. This standard applies to detachable single-rod cylinders with a maximum operating pressure of 1MPa and a cylinder bore diameter of 32~320mm. JB/T 6379-1992 Installation dimensions of detachable single-rod cylinders with a cylinder bore diameter of 32~320mm JB/T6379-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 6379-1992
Installation dimensions of detachable single-rod cylinders with a cylinder bore diameter of 32~320mm
Published on July 15, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Mechanical Industry Standard of the People's Republic of China
Installation dimensions of detachable single-rod cylinders with a cylinder bore diameter of 32~320mm
This standard refers to the international standard ISO6431-1981 Pneumatic series - Cylinder bore diameter 32~320mm
1 Subject content and scope of application
Installation dimensions".
This standard specifies the installation dimensions of detachable single-rod cylinders. - Single-rod cylinder with detachable installation -
This standard applies to detachable single-rod cylinders with a maximum operating pressure of 1MPa and a cylinder inner diameter of 32~320mm. Reference standards
GB2349
GB2350
3 Terms
Hydraulic cylinder piston stroke
Parameter series
Hydraulic cylinder cylinder piston rod thread
Detachable installation
JB/T63791992
10bar (1000kPa)
Detachable installation means that the mounting accessories used to fix the cylinder can be removed from the cylinder body without damaging the installation of the cylinder body. 4
Installation type and size
Installation type
The installation type and code are as follows:
Front end rectangular flange installation (see Figure 3 and Table 6); MF2-Rear end rectangular flange installation (see Figure 4 and Table 7)MPZ-
-Rear end detachable double earring installation (see Figure 5 and Table 8): MP4-
Rear end detachable single earring installation (see Figure 6 and Table 9); End footrest installation (see Figure 7 and Table 10): Middle fixed or movable ear shaft installation (see Figure 8 and Table 11);-Extended tie rod or stud installation at both ends (see Figure 9 and Table 12). MX1-
4.2 Size
Select the installation size of the cylinder according to the values ​​specified in Tables 6 to 13. 5
Nominal stroke
The nominal stroke of the cylinder shall be selected as specified in Table 1. If the series specified in Table 1 cannot meet the requirements, it may be selected according to the provisions of GB2349. 5.1
Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 15, 1992, and implemented on January 1, 1993
JB/T 6379-1992
The limit deviation of the nominal stroke of the cylinder shall be as specified in Table 2. Cylinder piston stroke series
Cylinder bore
Nominal stroke limit deviation
Nominal stroke S
≤500
>500-1250
≤500
>500~1250
≤500
>500~1250
Nominal stroke limit deviation\\
Note: 1) When the nominal stroke of the selected cylinder is greater than 1250mm, the nominal stroke limit deviation shall be agreed upon by the supplier and the buyer. 6bzxz.net
Cylinder bore
The cylinder bore shall be selected according to the provisions of Table 3.
Cylinder inner diameter series
Cylinder piston rod characteristics
The characteristics of the piston rod with shoulder external thread are shown in Figure 1. 100
Center step product
Cylinder piston rod characteristics and theoretical reference point
The cylinder piston rod external thread size should be selected according to the long series in GB2350 (see Figure 2 and Table 4). 7.2
Inner diameter of cylinder
Note: Determined by the manufacturer.
8Theoretical reference point
M27×2
M36X×2
M36×2
M42X×2
M48×2
JB/T 63791992
Figure 2 Basic dimensions
Table 4 Basic dimensions
Basic dimensions
Limit deviation
M10×1
M27×2
M33×2
M33×2
For all cylinders, regardless of the installation type, their axial dimensions are measured using the same reference point. The theoretical reference point for the cylinder installation size is located at the external thread shoulder of the cylinder piston rod (see Figure 1). Cylinder installation dimension marking code
Cylinder installation dimension marking code is shown in Table 5.
Meaning
Diameter of front guide step (overall dimension)Side view dimension (overall dimension)
Earring rotation space dimension
Ear shaft root arc radius (accessory)
Distance between mounting holes (accessory)
Cylinder stroke
JB/T 6379-1992
Table 5 Cylinder installation dimension marking code
Theoretical reference point to the installation surface height (overall dimension) Axial distance between installation holes
Theoretical reference point to the rear end installation hole distance (overall dimension) Installation hole diameter (accessory)
Extension rod or stud bolt size
Double earring groove width (accessory)
Mounting hole diameter (accessory)
Overall dimensions (accessory)
Theoretical reference Distance from point to the outermost point at the rear end (overall dimension) Pin hole diameter (accessory)
Thread size
Guide length of positioning step (overall dimension) Ear shaft diameter (accessory)
Marking description
Meaning
Distance from theoretical reference point to the axis of earring pin (overall dimension) Air port thread size
Distance between mounting holes (accessory)
Overall dimensions (accessory)
Theoretical reference point to rear flange mounting surface Distance (overall dimension) such as the distance between the axes of long tie rods or studs (overall dimension) Center height (overall dimension)
Distance from the theoretical reference point to the mounting surface (overall dimension) External thread size of piston rod
Length of trunnion pin (accessory)
Thread length of piston rod
Distance between trunnions (accessory)
Distance from mounting hole to the outer end of the tripod (accessory) Radius of earring (accessory)
Distance between mounting holes (accessory)
|Distance from theoretical reference point to the outermost point of the rear end extension rod or stud (overall dimension)
Distance from theoretical reference point to the axis of ear shaft (overall dimension)Ear ring width (accessory)
Overall dimensions (accessory)
When the installation dimensions of the cylinder that meets the interchangeability requirements comply with the provisions of this standard, the following statement should be made in the technical documents: "The installation dimensions of the cylinder comply with JB/T6379-92 "Installation dimensions of detachable single-rod cylinders with cylinder inner diameter of 32~320mm"". FE
Figure 3 Front rectangular flange installation diagram (MF1) Cylinder inner diameter
Cylinder inner diameter
JB/T6379-1992
Front rectangular flange installation dimensions (MF1)
Basic dimensions
Rear rectangular flange installation diagram (MF2)
Table 7 Rear rectangular flange installation dimensions (MF2) TF
Limit deviation
Basic dimensions
Limit deviation
Cylinder inner diameter
JB/T6379-1992
Figure 5 Rear detachable double earring installation diagram (MP2) Table 8 Rear detachable double earring installation dimensions (MP2) CB||tt ||Figure 6 Installation diagram of the removable single earring at the rear end (MP4) Basic dimensions
Limit deviation
Cylinder inner diameter
Cylinder inner diameter
Basic dimensions
Limit deviation
JB/T6379-1992
Installation dimensions of the removable single earring at the rear end (MP4) CD
Simplified installation diagram of the end bracket
(MS1)
Installation dimensions of the end bracket (MS1)
Basic dimensions
Limit deviation
Basic dimensions
Basic dimensions
Limit deviation
Limit deviation
Cylinder inner diameter
JB/T 6379-1992
Figure 8 Schematic diagram of intermediate fixed or movable trunnion installation (MT4)Table 11 Dimensions of intermediate fixed or movable trunnion installation (MT4)TD
Basic dimensions
Limit deviations
Note: 1》The dimension XV given corresponds to the daily trunnion position equidistant from the theoretical reference point when the cylinder stroke is zero. Only with the consent of the manufacturer can the user choose other positions
When the stroke is not zero: xV=(ZF+S)+W
Figure 9 Installation diagram of the extended rod or stud at both ends (MX1) Inner diameter
Basic dimensions
Note: Determined by the manufacturer,
Additional instructions:
JB/T6379-1992
Installation dimensions of the extended rod or stud at both ends (MX1) Table 12
Limit deviation
This standard is proposed and managed by the National Hydraulic and Pneumatic Standardization Technical Committee. TG
This standard is drafted by the Beijing Institute of Automation of the Mechanical Industry of the Ministry of Machinery and Electronics Industry. WH
People's Republic of China
Mechanical Industry Standard
Installation dimensions of detachable single-rod cylinder with cylinder inner diameter of 32~320mm
JB/T 63791992
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2 Shouti South Road, Beijing
Postal Code 100044)
Format 880×12301/16
5 sheets 3/4 Number of words 18,000
First edition in January 1993
First printing in January 1993
Print run 1-500
Price 10.00 yuan
Mechanical Industry Standard Service Network: http=//www.JB.ac.cn61_69
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