This standard specifies the installation groove type, dimension series and tolerance of coaxial seals for hydraulic cylinder pistons and piston rods. This standard applies to square coaxial seals and stepped coaxial seals installed in reciprocating hydraulic cylinder pistons and piston rods for sealing. GB/T 15242.3-1994 Installation groove dimension series and tolerance of coaxial seals for hydraulic cylinder pistons and piston rods GB/T15242.3-1994 Standard download decompression password: www.bzxz.net

UDC 621.225-242-62-752
National Standard of the People's Republic of China
GB/T 15242. 3 94
Coaxial seals for hydraulic cylinder piston and piston rod dynamic seals installation groove dimensions and tolerancesHydraulic lluid power-Cylinder rod andt pistonseals far reciprocating applications of Co-axial seals Dimensions and tolerances of housingsPublished on October 17, 1994
Implemented on October 1, 1995
Published by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Coaxial seals for hydraulic cylinder piston and piston rod dynamic seals installation groove dimensions and tolerancesHydrnulie fluid power-Cylinder rod andt pistonseals for reciprocating applications of Co-axlal seals and tolerances of hydraulic pistons and piston rods GR/T15242.3—94
This standard refers to and adopts international standards IS74251—1088 Pressure reducing transmission—Elastomers empowered plastic surface energy uniform grooves—Dimensions and tolerances—General—Part 2: Positive transmission—Elastomer membrane energy uniform grooves—Dimensional tolerances—Part 2: Positive transmission rod seat seal grooves. 1 Subject content and scope of application
This standard specifies the installation groove type, size system and tolerances of coaxial seals for hydraulic pistons and piston rods. This standard is applicable to square coaxial seals and stepped shaft seals installed in pressure reducing pistons and positive transmission rods.
2 Reference standard
GB2343 Pneumatic system and components inner diameter and piston rod outer diameter 3 Code
——Inner diameter of hydraulic cylinder (or bottom diameter of piston rod seal groove); 4—Piston rod diameter or bottom diameter of seal groove);
S—Length of seal groove (S-
, ||tt| ... —Corner radius
National willingness,
4 Installation groove type, size series and tolerance 4.1 The type, size series and tolerance of the inner shaft seal for the piston seal 4.1.1 The installation groove type of the coaxial seal for the hydraulic cylinder piston seal is shown in Figure 1. Approved by the State Administration of Technical Supervision on October 17, 1994 and implemented on October 1, 1995
GB/T15242.3—94
The size series and tolerance of the installation groove of the coaxial seal for the hydraulic cylinder piston seal shall comply with the provisions of Table 1. Table 1
12-25
GA/T15242.3—94
Continued Table 1
144-5
Line 0-9
30- 25
±2-25
Waist: with \. \ is not a test light selection period. 1> Billion resistance for old products and accessories
CB/T15242.3-94
4.2 Hydraulic piston support seat seal installation and transmission seal installation type. Size series and tolerance 4.2.1 Hydraulic cylinder piston rod dynamic device coaxial poison seal installation groove type as shown in Figure 2..s
4.2.2 Pressure red cold rod dynamic seal installation diagram old coaxial screen installation groove precision size series and tolerance should comply with Table 2 more specified m
Nominal size
GB/T 15242.3—94
· Male pad
Nominal size
Design 1) Only use ten test products or accessories. Seal installation groove radial beam S
GE/r15242.3—94
Continued 2
When the rear seal is in the radial load range F and is used under high pressure conditions, the radial depth should be selected.
E The radial length C of the fixed part
6.1! The type of the corner position is shown in Figure 1 and Figure 2. E. The radial length C of the No. 2 door part shall not be less than the provisions in Table 3. Table 3
n gap F tightness is divided into high and low positive force products, and F: three gears: the original is and should be in accordance with Table 1,
CD/T 15242.3.94
,(a-1Men)
1. 7--0. 9
2,C~1, D
2. 2~-1. 1
Note, with \ (1" diameter is not preferred. 1) Limited to consider the use of products or repair parts. 7.2 After the plug is busy, the time is paid for F is d. And it should meet the toughness of 5. Fau~2uMPs>
1. 1-- 0. 5
F,t20~40MTa?
0. 4~ 0. 2
. 5 ~5. 2
G, 5~D. 3bZxz.net
Note: The product is used for the purpose of preparation.
Additional instructions:
CD/T 15242.3—94
F,ty~2oMP)
fi. 6~-n. 3
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China. This standard was approved by the National Hydraulic Technology Conference, F
Fizn--4nmPs
U. 8-o. 2
. 1 c. 2
C. 6 -- 0. 4
This is a heat standard month machine control.1 Department of Ocean 1 vibration control research new machine nuclear 1 industry department Guangzhou Li bed research room into the draft. This short chase mainly from ordinary people gold pregnancy, beam image, leaf veins, m
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.