5 operation, 6 maintenance and care, 7 disassembly and repairs – Festo YSRW Benutzerhandbuch
Seite 3: 8 accessories, 9 technical data, Ysrw 液压缓冲器 中文, 1 功能和应用, 2 产品使用条件, 3 安装, 4 调试

5
Operation
If the operating conditions are modified:
Note
Modifications to the effective load may cause the mass to strike hard against the
end position (load peaks).
• Repeat the setting of the YSRW (
chapter “Commissioning”).
Hard knocking requires the following remedy:
• Reduce the impact speed; measure the cushioning length (s)
6 ( Fig. 3) as
a check (
Technical data Fig. 13).
Insufficient cushioning indicates a considerable loss of oil. In this case the
YSRW must be replaced.
Maximising the service life of the YSRW:
If the shock absorber is not used to its full extent, there will be an increase in the
oil leakage.
• Make sure that the shock absorber is operated with an energy utilisation of at
least 25 % to max. 100 %. The recommended range lies between 50 and 80 %.
• Make sure that the extent of utilisation of the YSRW is as follows:
0
25
50
80
100
125 %
D
B
B
C
A
A = unfavourable
B = permissible
C = optimal
D = impermissible
Fig. 12
• Take into account that the viscosity of the hydraulic oil diminishes during opera-
tion due to the frictional heat which arises.
The shock absorber can therefore break through after a long period of operation.
At temperatures below 0 °C:
• Observe that the resetting times of the YSRW become longer (approx. 1 s).
Low temperatures cause an increase in the viscosity of the hydraulic oil.
6
Maintenance and care
• Examine the YSRW for loss of oil after approximately every 2 million load
changes. At the same time, you should check the cushioning length (s)
(
Fig. 3) of the YSRW.
Otherwise the YSRW does not require any maintenance.
7
Disassembly and repairs
• Observe environmental protection requirements when disposing of the YSRW
(hazardous waste disposal). The YSRW is filled with hydraulic oil.
Due to the design, the hydraulic oil cannot be refilled.
8
Accessories
Note
• Please select the appropriate accessories from our catalogue
www.festo.com/catalogue
9
Technical data
YSRW
5-8
7-10 8-14 10-17 12-20 16-26 20-34
Cushioning length (s)
6
(
Fig. 3)
[mm]
8
10
14
17
20
26
34
Mode of operation
Single-acting, pushing
Cushioning
Self-adjusting, progressive characteristic
Mounting position
Any
Thread
M8
M10
M12
M14
M16
M22
M26
Lead
[mm]
1
1
1
1
1
1.5
1.5
Width across flats
Lock nut
[mm]
10
13
15
17
19
27
32
Housing
[mm]
7
9
11
13
15
20
24
Impact speed
[m/s] 0.1 … 2
0.1 … 3
Product weight
[g]
8
18
34
54
78
190
330
Ambient temperature
[°C]
–10 … +80
Reset time at room
temperature
[s]
≤ 0.2
≤ 0.3
Resetting force F
1
[N]
0.9
1.2
2.5
3.5
5
6
10
Insertion force F
2
[N]
7.5
10
18
25
35
60
100
Max. stop force in end position
[kN]
0.2
0.3
0.5
0.7
1
2
3
Max. energy absorption
per stroke
1)
[J]
1.3
2.5
4
8
12
35
70
Max. energy absorption
per hour
1)
[kJ]
10
15
21
30
41
68
100
Max. mass
1)
[kg]
2
5
10
20
30
50
80
Information on materials
Housing
High-alloy steel
Galvanised steel
Piston rod
High-alloy steel
Buffer
Polyamide
Seals
Nitrile rubber
1)
The specified technical data refers to ambient temperature. At higher temperatures in the 80 °C range,
the max. mass and the cushioning work must be reduced by approx 50 %.
Fig. 13
YSRW
液压缓冲器
中文
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1
功能和应用
YSRW 型液压缓冲器充满了液压油。
质量的冲击导致液压油流经受行程控制的节流阀而排出。冲击动能转化为
热能。通过压缩弹簧的作用使活塞杆复位。
YSRW 设计用于承受负载力,并且缓冲方向仅限于轴向,在许用负载范围内,
YSRW 也可作为止动挡块使用。
YSRW 不得用于旋转与转动应用以及潮湿环境中。
2
产品使用条件
注意
操作不当会导致功能故障。
•
请确保始终遵守本章规定。
•
请将本操作指南中各项参数极限值与您使用场合的实际值(例如:力、
频率、质量、温度、速度等)相比较。 只有遵守负载极限值才能确保 YSRW
按照相关的安全规程安全运行。
•
请考虑到产品应用地点的环境条件。
•
请注意遵守使用地点(例如:同业公会或所在国相关机构)的有关规定。
•
不得对 YSRW 的原始状态擅自进行任何改动。
3
安装
•
请按照具体应用要求选择合适的安装方式。
钻孔
螺纹(通孔)
Fig. 14
当超过最大许用冲击力时:
•
除了液压缓冲器外,还需额外使用止动挡块。
•
安装 YSRW 就位时请注意以下几点:
–确保负载尽可能沿着轴向撞向缓冲垫 5 (
Fig. 1
),
(最大偏差 3°, Fig. 2)。
–利用外部止动挡块 8 (
Fig. 3
)来防止由于冲力过大而导致 YSRW
过载,同时还有助于提高终端定位的精度( Fig. 3)。
•
按照所选固定方式拧紧锁紧螺母 3 ( Fig. 1)。
拧紧时必须遵守下表中的紧固扭矩:
YSRW
5-8
7-10
8-14
10-17 12-20 16-26 20-34
外部止挡距离(k)
的最小尺寸 7
[mm]
6.2
7.7
8.7
10.9
12.9
16.9
20.9
最大紧固扭矩 3
[Nm]
2
3
5
8
20
35
60
Fig. 15
4
调试
•
请注意以下各力的允许值:
–压入力(F2)(
技术数据 Fig. 18)
–复位力(F1)(
技术数据 Fig. 18)
Fig. 16
•
压入力应至少达到(F2),为使液压
缓冲器能够完全地压入到终端位置。
对于前置的外部终端位置,此值应相
应地减小。
•
作用在活塞杆上的最大复位力 F1
应保证缓冲器能够完全复位
(例如:活塞杆完全伸出)。
•
先用较小的运行速度启动运动部件进行测试。
试运行时:
•
将工作负载逐步加速至所需运行速度。
请根据具体的负载情况选定合适的运行速度。正确的终端缓冲是:液压缓冲
器的活塞杆到达终端位置(止动挡块)时不会发生强烈撞击。