hydraulic cylinders

Transcription

hydraulic cylinders

Hydraulic cylinders
Maintenance manual
Hydraulic cylinders
Maintenance manual
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46
© Herbert Hänchen GmbH & Co. KG
3
HYDRAULIC CYLINDER
Maintenance manual
5.
Dismantling and assembly of Hänchen products��63
5.1 Single rod hydraulic cylinders ��63
5.2 Double rod hydraulic cylinders��65
5.3 Large cylinders ��65
5.4 Cushioning��66
5.5 Position transducers��66
5.6 Clamping device Ratio-Clamp® ��66
5.6.1 Clamping device dismantling from the rod ��66
5.6.2 Dismantling of the clamping device ��67
5.7
Proximity sensors��68
6.
6.1
6.2
6.2.1 6.2.2 6.2.3 6.2.4 6.3
6.3.1 6.3.2 6.3.3 6.3.4 6.4
6.4.1 6.4.2 6.5
6.6
6.7
6.7.1 6.7.2 46
Changing of seals��68
Storage��68
Removal of the wearing parts of the cover��69
Standard quality / Servoslide® quality ��70
Servocop® quality ��70
Servofloat® quality ��70
Servobear® quality ��71
Fitting of the new seals��71
Standard quality / Servoslide® quality ��71
Servocop® quality ��72
Servofloat® quality ��72
Servobear® quality ��73
Clamping device Ratio-Clamp®��73
Removal of the wearing parts ��74
Fitting of new seals��74
Cushioning��74
Proximity sensor ��75
Piston rod ��75
Removal��76
Installation ��76
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7.
7.1
7.2
7.3
7.3.1 7.3.1.1
7.3.1.2.
7.3.2 7.3.3 7.3.4 Accessories��76
Hook wrench��76
Venting set��77
Hänchen assembly tool��77
Changing Cover Seals ��78
Dismantling of Seals ��78
Assembly of Seals��79
Assembly of Piston Seals��80
Installation of Piston Rod��82
Assembly of Cover��82
8.
Product range��83
Attention:
Please observe the Instructions of any documents attached to the cylinder.
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5. Dismantling and assembly of Hänchen products
Note: In order to avoid soiling the cylinder must be emptied. We also recommend to open the venting screw (avoiding of a vacuum in the cylinder).
5.1 Single rod hydraulic cylinder
Dismantling:
• Check if the piston rod is damaged. These damages might be caused by mounting or
dismounting of mounting parts. Remove the damages, if necessary.
• Remove the fastening screws (hexagon socket) in the cover on the piston rod side (1).
• Screw two of these screws evenly back into the corresponding pressure-thread bores.
• Pull off cover (1) over the piston rod.
• Pull piston rod with piston out of the cylinder.
Port
Wear rings (9)
Compact
piston seal (7)
Venting screw
O-ring (8)
Cover (1)
Piston (3)
Fastening screw
Piston rod (10)
Wiper ring (4)
O-ring (6)
Dismantling thread (2)
Rod lip seal (5)
Note:: In case of hydraulic cylinders with position transducers ensure that
the position transducer is removed before dismantling the cylinder since
the sensor could otherwise be damaged. You can also send the cylinder to
Hänchen for changing the wearing parts.
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63
Assembly:
Fitting the piston rod
Note: Lightly wet all parts with oil. Do not fit the ends of the wear rings flush
with the connecting bores since they will otherwise shear off in the connecting bores. Make sure that the previously deformed sealing elements
have resumed their original shape. In order to avoid damage of the sealing
elements we recommend to use the suitable Hänchen assembly tool (see
chapter 7.3).
Press together the mud scraping wear rings (9) and insert the piston and piston rod (10)
into the cylinder tube in line with the centre axis of the cylinder. In the case of cylinder
tubes without an insertion slope we recommend pressing the ends of the wear rings into
the groove with a blunt object whilst pushing the piston rod into the cylinder tube.
5.2 Double rod cylinders
Cover on the
rod side (2)
Cover on the
piston rod side (1)
For disassembling and assembling the cover on the rod side (2) proceed as for disassembling and assembling of the cover on the piston rod side (1), see Chapter 5.1 Single
rod hydraulic cylinder.
Note: Always push piston rod in end position before tightening the screws
crosswise to avoid misalignment.
Piston with grooved ring seals variant
Place the piston at an angle to the cylinder tube so that the part of the first seal‘s circumference rests in the cylinder tube. Press the seal into the cylinder tube with a blunt
object. Slide the piston rod with a slight twisting movement and gentle pressure into the
cylinder tube. Once the entire circumference of the seal has been inserted into the cylinder tube slowly press the piston rod inwards. Remember to press the lip of the seal
down with a blunt object when it passes the connection bore whilst slowly pushing the
piston rod into the tube.
5.3 Large cylinders
Note: Provide for handling means which are suitable for the part weight to
avoid damage to the components.
Guide bush (1)
Cylinder tube (2)
(Series 120 starting with piston Ø 200 mm, series 300 starting with piston
Ø 160 mm). Additional information to Chapter 5.2 - Double rod cylinders
Fitting cover (1)
Push cover (1) and the piston rod guide onto the piston rod and press into the cylinder
tube by hand.
Attention: Make sure that when you push the cover over a piston rod thread
or wrench flat the lip seals are not damaged by sharp thread edges or wrench
flats. We recommend using the appropriate Hänchen assembly tools (see
chapter 7.3). You should also make sure that the lip of the rod lip seal (5)
does not turn up when it is pressed into place. The O-ring (6) that seals the
cover from the cylinder tube may not be twisted.
Dismantling:
The guide bush (1) has no thread lock unless otherwise specified.
Remove the guide bush (1) by means of a suitable pin wrench. Do this by unscrewing
the guide bush (1) counterclockwise.
Pull out the piston rod carefully and avoid damage to female thread of cylinder tube and piston.
Assembly:
After insertion of the piston rod screw the guide bush (1) into the cylinder tube (2) counterclockwise by using a suitable pin wrench.
Double rod cylinders are provided with another guide bush (1) on the opposite piston rod
side which can be disassembled or assembled as described above.
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5.4 Cushioning
Dismantling:
The adjustable final stroke cushioning is available for single rod and double rod cylinders.
In hydraulic cylinders with adjustable final stroke cushioning the setting screw for the
final stroke cushioning is located on a level with the venting screw. Loosen the locknut
and unscrew the throttle screw. We recommend that you remove the O-ring and replace
it immediately, screw down the throttle screw and secure this with the locknut. The
exact setting (adjustment) of the cushioning must be carried out in the machine. The
O-ring may not be twisted.
To remove the transport rod or the working rod of the clamping unit please proceed as
follows:
Attention: These parts are spring-loaded!
• Loosen the screws on the cover crosswise.
RC 10 – RC 25
7 rotations
RC 28 – RC 140
9 rotations
• Apply a brief hydraulic releasing pressure to the release port (EE) until the cover rests
in the fastening screws or the clamping device is unlocked.
• Shut off the pressure and remove the connecting line at the release port (EE).
• Remove clamping device from the rod.
• Drain oil from the clamping device.
Returning to the factory
Please send us the Ratio-Clamp® in an assembled state. If you have a shipping shaft it
should be inserted into the clamping device from the release side.
Setting screw
Assembly:
5.5 Position transducer
The instructions for dismounting and mounting position transducers can be downloaded
from our homepage at www.haenchen.de under the category "Service / Downloads".
The Ratio-Clamp® clamping device can be assembled on the rod in reverse order to that
described above.
5.6.2 Dismantling the clamping device Ratio-Clamp®
5.6 Clamping system Ratio-Clamp®
Attention: These parts are spring-loaded!
>RC90
VI
L
I
III
II
IV
EE
Dismantling:
V
1
B
B
1
A
2
6
1
2
7
4
5
10
3
8 7
3
8
2
9
7
3
I - Cover
II - Casing
III- Clamping piston
IV- Spring washers
V - Cover with split ring
VI- Stop tube
1 - Strip
2 - Piston rod lip seal
3 - O-ring
4 - Compact piston seal
5 - O-ring
6 - Compact rod seal
7 - O-ring
9 - O-ring
10 - Wear ring
The Ratio-Clamp® clamping device can be assembled in reverse order to that described
above. Please ensure correct mounting position and orientation of the components.
Attention: Depressurize the cylinder and/or the Ratio-Clamp® before dismantling.
Attention: Briefly apply pressure to the hydraulic release port (EE) until the
cover (I) rests in the fastening screws. Shut off the pressure and remove the
connecting line at the release port. Drain oil from the clamping device.
Remove locking screws and cover (I). Remove loose distance sleeve (VI) and
spring washers (IV) (ensure correct mounting position of the spring washers).
Remove clamping piston (III), the thread bores on both ends facilitate removal. Collect the oil that drains off when pulling out the piston in a suitable container. Loosen the fastening screws on the cover (V) and remove the casing
(II). Remove the cover with the clamping cone (V). The RC 90 to RC 140 models have a two-part cover, you do not normally have to dismantle both parts.
Assembly:
5.6.1 Clamping device Ratio-Clamp®
Dismantling from the rod
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Loosen the screws on the cover crosswise.
RC 10 – RC 25
7 rotations
RC 28 – RC 140
9 rotations
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Hint: Oiling the individual mounting parts beforehand makes the assembly easier. Make
sure that the seals are not damaged when the corresponding part is slid over the rod.
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67
General
Ensure perfect fit of the spring washers (IV) on the distance sleeve (VI).
Tighten the loose screws on the cover (A-side) crosswise until the cover rests against
the Ratio-Clamp® casing without a gap.
The physical properties of rubber products (seals) normally can change through the
effect of oxygen, ozone, heat, light, moisture, solvents or storage under stress.
Storage room
5.7 Proximity sensors
Note: Compression-proof, inductive proximity sensors are non-contact sensors to determine the position and may only be used for this purpose. The
optional additional diagnosis output monitors the function of the switching
devices and lead.
Dismantling:
• Remove plug connector.
• Loosen locknut and unscrew switch.
Assembly:
Oil the O-ring and back ring (e.g. with the cylinder‘s operating medium). Screw the
Hänchen proximity sensor (identified by a marking on the proximity sensor itself) into the
marked screw thread on the cylinder until it stops mechanically and then slacken by a
1/4 turn rotation otherwise specified. Then retighten the lock nut (max. 70 Nm). The
switching point can be marginally adjusted by changing the screw-in depth of the proximity sensor.
Note: A warranty can only be assumed if the product has been purchased
from Hänchen. The proximity sensor used by Hänchen have been optimised
for use in hydraulic products which means a constructional change to the
standard product.
• Seals should be stored in cool, dry, dust-free and slightly ventilated rooms, preferably
in the temperature range of –10° to +15°C, the upper limit may be exceeded by up to
+ 25°C, though temperatures above this are only allowed for a short period of time.
• Seals should be kept at least one metre from sources of heat.
• Avoid storing seals in moist storage rooms. Special care should be taken to ensure
that no condensation forms in these rooms. We recommend the most favourable
relative air humidity of 65%.
• Protect seals against light (particularly direct sunlight).
• You should never keep products such as solvents, fuels or lubricants, chemicals, acids,
disinfectants, etc. in rooms that are used to store rubber products.
• Seals must be stored without pressure, tension or other deformations, in other words
without stress, since this could cause lasting deformations or cracks.
• Seals should preferably be cleaned with a clean, soft cloth and lukewarm water. They
can be cleaned with a 1.5% sodium carbonate solution for storage over a longer period
of time. Rinse the remaining cleaning agent with water.
• Never use solvents such as trichloroethylene, carbon tetrachloride, hydrocarbon and
tools such as wire brushes or abrasive paper to clean the products.
6.2 Removing the wearing parts of the cover
Attention: Do not damage the base and edges of the thread with hard or
pointed tools.
Port
Wear rings (9)
Protection against
destruction
by limiting the
screw-in depth
Compact
piston seal (7)
Venting screw
O-ring (8)
6. Changing of seals
Cover (1)
Piston (3)
Fastening screw
6.1 Storage
Piston rod (10)
Wiper ring (4)
Field of application (extract from DIN 7716)
O-ring (6)
The following requirements mainly apply for long-term storage, generally over six
months. These requirements relate to products of unvulcanised and vulcanised rubber
(pure or mixed with other substances, i.e. elastomers of natural rubber and/or synthetic
rubber) as well as adhesives and solutions with rubber.
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Rod lip seal (5)
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Note: Place the dismantled parts and seals on a surface in exactly the same
way as they were installed and place the new seals in the correct position.
Pay special attention to the fitting position. This facilitates assembly and
you can also check whether all necessary seals are available. We recommend to use the suitable Hänchen assembly tool for removing the wearing
parts (see chapter 7.3).
We recommend that you fit a subassembly, e.g. a cover or piston rod, with new seals
immediately after removing the old seals and cleaning the installation spaces.
easily removed by hand to
remove the O-rings (12+ 13).
The wiper ring (4), rod lip
seal (5) and O-ring (6) on part
1 of the cover are removed
as described in 6.2.1. The
O-ring in part 2 of the cover
can be removed in this way,
too.
Cover Part 2
O-ring (6)
Cover Part 1
Wiper ring (4)
Rod lip seal (5)
6.2.1 Standard quality / Servoslide quality
®
Cover (1)
Cover (1)
Wiper ring (4)
O-ring, slit (12)
Annular gap seal
O-ring (13)
The seals, wiper ring (4) and rod lip seal (5) are pressed into grooves in Servoslide®
quality covers (with plastic guide for optimum friction properties). Pick the seal (4+5)
with a sharp object (e.g. scriber, etc.) and twist it out of the groove. Do the same with
the O-ring on the outer diameter (6).
O-ring (6)
Rod lip seal (5)
6.2.4 Servobear® quality
In case of the cover in Servobear®
quality (with hydrostatic piston rod
guide for minimum friction) the wiper
ring (4) pressed in a groove and the
rod lip seal (5) are removed in this
way. Pick the seal (4+5) with a sharp
object (e.g. scriber, etc.) and twist it
out of the groove. Do the same with
the O-ring on the outer diameter (6).
O-ring (7)
Cover
Wiper ring (4)
O-ring (6)
Rod lip seal (5)
Rod lip seal (5)
6.3 Fitting the new seals
6.2.2 Servocop® quality
Proceed as described in 6.2.1. The
Servocop® cover (with plastic guide
and leak oil port with optimised friction
properties) also has an additional compact rod seal (11) with corresponding
O-ring. Both of these are removed by
picking and twisting.
Attention: Ensure that the base of the thread is clean and not damaged. Please
clean the mounting parts, installation spaces and seals thoroughly, dirt inevitably leads to faults and damage.
Cover (1)
O-ring (6)
O-ring (7)
Wiper ring (4)
Compact rod
seal (11)
Rod lip seal (5)
Note: To facilitate assembly wet the assembly components with the operating fluid. Warming the seals (lukewarm) makes them more supple and easier to install. Check the position of the seals before fitting them. To avoid
damaging the sealing elements we recommend using the appropriate
Hänchen assembly tools (see chapter 7.3).
6.3.1 Standard quality / Servoslide® quality
6.2.3 Servofloat® quality
The cover in Servofloat® quality (with patented annular gap seal for extremely low friction
movements of the cylinder – domestic and foreign patents US pat. 4406463) consists of
two parts. Only the first part of the cover is released by screwing the screws into the pressure-thread bore. Removing this part exposes two further pressure-thread bores to release
the second part of the cover. The annular gap seal is in part 1 of the cover. This can be
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For covers in standard quality or Servoslide® quality (with plastic guide with optimised
friction properties) the rod lip seal (5) has to be pressed together and inserted into the
groove in the cover (1) or piston rod guide. Check the fit in the groove and press the seal
into the groove. The seal lips must point towards the inside of the cylinder.
Insert the wiper ring (4) into the cover
(1) as described above. The seal lip
must point outwards. The O-ring (6)
can be pushed over the outer diameter of the cover (1) after it has been
slightly stretched by hand and then
pressed into the groove. Make sure
that the O-ring is not twisted.
Cover (1)
Wiper ring (4)
6.3.4 Servobear® quality
For the cover in Servobear® quality
(with hydrostatic bearing for minimum
friction) the seals, wiper ring (4), rod
lip seal (5) and O-ring (6) are fitted
into the cover. Make sure that the
O-ring is not twisted!
Cover
Wiper ring (4)
O-ring (6)
Rod lip seal (5)
6.3.2 Servocop® quality
Cover (1)
For covers in Servocop® quality (with
O-ring (6)
plastic guide and leak oil port with
optimised friction properties) a compact rod seal (11) is fitted in addition
to the wiper ring (4) and rod lip seal
(5). Use the groove closest to the pisCompact rod
Wiper ring (4)
seal (11)
ton chamber. First insert the corresponding O-ring (7) in the groove,
p
Rod lip seal (5)
making sure that it is not twisted.
Press the compact rod seal together
O-ring (7)
as described in 6.3.1 and insert it into
the groove. Check the fit in the groove and press the seal into the groove, if necessary.
Insert the further seal elements as described in 6.3.1.
Attention: Make sure that the
Rod lip seal (5)
lip seals are not damaged when
O-ring (6)
they are pushed through the
piston rod thread. We recommend using the appropriate Hänchen assembly
tools (see chapter 7.3).
6.4. Clamping device Ratio-Clamp®
Attention:
•The clamping device may only be dismantled when depressurized.
•Seals should only be replaced by trained experts.
•Check the clamping forces of the Ratio-Clamp® after changing wearing
parts (e.g. seals) for safety reasons.
• If other individual parts of the clamping device have to be replaced after
a longer period of use you should send the clamping device in to the
works.
>RC90
VI
L
I
III
II
IV
EE
V
1
B
B
6.3.3 Servofloat quality
®
For the cover in Servofloat® quality
(with patented annular gap seal for
exceptionally low friction movements of the cylinder - domestic
and foreign patents US-pat.
4406463) the seals, wiper ring (4),
rod lip seal and O-ring (7) are fitted
into part 1 of the cover as
described in 6.3.1. The O-rings
that contact the annular gap seal
are placed in the grooves and then
inserted into the annular gap seal
in part 1 of the cover. The O-ring
facing the pressure side (12) is cut
to leave a slit of 2-4 mm.
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O-ring (6)
Cover Part 2
O-ring (7)
1
A
2
Cover Part 1
6
Wiper ring (4)
1
2
7
4
5
10
3
8 7
3
8
7
2
9
3
I - Cover
II - Casing
III- Clamping piston
IV- Spring washers
V - Cover with split ring
VI- Stop tube
1 - Strip
2 - Piston rod lip seal
3 - O-ring
4 - Compact piston seal
5 - O-ring
7 - O-ring
9 - O-ring
10 - Wear ring
O-ring, slit (12)
Rod lip seal (5)
O-ring (13)
Annular gap seal
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The instructions assume that the Ratio-Clamp® has been mounted on a cylinder or other
part with its B-side.
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6.4.1 Removing the wearing parts
6.6 Proximity sensors
This is best done by picking the seals with a pointed
object (small screwdriver or scriber). Twist the seal out of
the groove.
Changing the O-ring (1) at the eccentric
• Remove retaining nut for eccentric and con necting piece and unscrew the eccentric.
• Replace O-ring (2).
• Screw in eccentric and tighten with max.
70 Nm.
Hint: Replace the removed seal immediately by a new
one, this greatly reduces the risk of incorrect installation. Carefully clean the installation spaces for the seals.
Dirt inevitably leads to faults and damage.
Note: Do not damage the base of the groove.
We recommend using the appropriate Hänchen assembly tools (see chapter
7.3).
6.4.2 Fitting new seals
Cover (I) and cover with clamping sleeve (V)
Place the piston rod lip seal (2) in the corresponding
groove.
Attention: The seal lip must always point
towards the inside of the Ratio-Clamp®.
Stretching the seal as shown in the illustration
makes it easier to press it into the groove. Press
the seal into the groove with a blunt object. The
wiper ring (1), the compact rod seal with O-ring
(8) and the O-rings (3 & 9) are inserted into the
corresponding grooves in the same way. Do not
twist the O-rings!
Proximity sensor
O-ring (1)
Locknut
Changing the O-ring (1) at the
proximity sensor
• Remove plug connector
Eccentric with
O-ring (2)
retaining nut
• Loosen locknut
• Unscrew switch
• Lever the O-ring (1) out of the groove with a blunt object and cut it carefully. Do not
damage the base of the groove.
• Insert the O-ring (1) into the groove. Do not twist the O-ring!
• Screw the Hänchen proximity sensor (identified by a marking on the proximity sensor
itself) into the marked screw thread on the cylinder until it stops mechanically and
then slacken by a 1/4 rotation unless otherwise specified. The switching point can be
marginally adjusted by changing the screw-in depth of the proximity sensor.
• Re-tighten locknut (max. 70 Nm).
6.7 Piston rod
Port
Wear rings (9)
Clamping piston (III)
Compact
piston seal (7)
Insert the O-ring (7) into the groove without twisting!
Stretch the compact rod seal (6) and press in. Check
the fit in the groove and press the ring into the groove.
Venting screw
Slightly stretch the O-ring (5) by hand and insert into the groove without twisting!
Slightly stretch the compact piston seal (4) by hand and slide it over the clamping piston, slip into the groove and press into place. Pay attention to a perfect fit.
Restretch the compact piston seal and the compact rod seal (4 + 6), if necessary. We
recommend to use the suitable Hänchen assembly tools (see chapter 7.3).
O-ring (8)
Cover (1)
Piston (3)
Fastening screw
Piston rod (10)
Wiper ring (4)
O-ring (6)
6.5 Cushioning
Rod lip seal (5)
The adjustable final stroke cushioning is available for single rod and double rod cylinders.
Information about the replacement of wearing parts is to be found in Chapter 5.4 Cushioning
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6.7.1 Removal
7.2 Venting system
Piston (3)
Free air in the hydraulic cylinder affects the physical
properties of the hydraulic oil and has other disadvantageous consequences for the components, operating performance and the fluid. The Hänchen venting set is used
for the functionally vital venting of hydraulic cylinders. It
is screwed directly into the vent connection on every
Hänchen cylinder using a Minimess coupling. A hydraulic
cylinder can be quickly and easily vented without any
additional tools using the Hänchen venting set.
Remove the slotted mud-scraping wear rings (9). Lever the compact piston seal(7) and
O-ring below (8) out of the groove with a blunt object and cut it carefully.
Piston with grooved ring seals variant
Twist the grooved ring seals out of the grooves with a blunt object (e.g. bending pliers, etc.).
Note: Do not damage the base of the groove.
6.7.2 Installation
Note: We recommend to use the suitable Hänchen assembly tool for installation (see chapter 7.3).
Compact piston seal type
O-ring (6)
7.3 Hänchen assembly tool
We recommend the suitable Hänchen assembly tool for an easy and correct assembly of
sealing elements. We would be pleased to advice you.
Compact piston seal (11)
Basic Assembly Tool Set
Wear rings (9)
Slightly stretch the O-ring (6) by hand and insert into the corresponding groove in the
piston. The O-ring may not be twisted. Place part of the compact piston seal (11) in the
groove and push the remainder over the edge of the piston and then press into the
groove. Slightly spread the slotted mud-scraping wear rings and place them into the
grooves.
Montagedorn Stange
Assembly pin
for piston rod
Mon
Kolb
Plain compression ring type
Place part of the plain compression ring in
the groove and push the remainder over the
edge of the piston.
Montagedorn Stange
Montagehülse für
Kolbendichtung
Assembly bushing and
Assembly sleeve for piston seal
7. Accessories
7.1 Hook wrench
Our hydraulic cylinders are designed with bore holes for hook wrenches on the piston
rod. We recommend a hook wrench according to DIN 1810 to hold the rod in place during assembly (e.g. when fitting a rod eye with spherical plain bearing) . Hook wrenches
are available for diameters from 12 mm up to 200 mm (other sizes on request).
Assembly bushing
for cylinder tube
Mo
Ko
Montagebüchse Zylinderrohr
Montagebüchse für
Montagebüchse Zylinderrohr
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Kolbendichtung
77
7.3.1 Changing Cover Seals
Turn curved plugging tool (13). Remove O-ring (14). Check groove of lip seal and the
compact rod seal for damage or contamination (15). If necessary re-polish the sealing
grooves and clean them. Do not polish with a grinding cloth as finishing particles can
deposit themselves on the guiding elements.
With the Hänchen assembly tools
7.3.1.1 Dismantling of Seals
Qualities: Standard / Servoslide® / Servocop®
Remove wiper ring by hand (1-3).
13
14
15
7.3.1.2. Assembly of Seals
Only for Servocop® quality
1
2
Pierce the centre of the lip seal with a straight plugging tool (4).
Attention: do not pierce the base of the groove (5).
4
5
Compact rod seal
Place O-ring in the groove of the compact rod seal (16). Squeeze
compact rod seal as shown in illustration (kidney-shaped) (17).
Place compact rod seal in the corresponding groove with the
sealing edge in direction of the cylinder chamber and reshape (18).
3
6
16
Push the lip seal inwards with the plugging tool (6) assisted by the rounded screwdriver
(7-8). Remove the lip seal (9).
17
p
O-ring
18
Below for qualities: Standard / Servoslide® / Servocop®
Place lip seal into the central groove (19-20) with the open side in direction of the cylinder chamber. The seal should be flush at the back (21).
7
8
9
Below only for Servocop® Quality!
19
Dismantle the compact rod seal (10) as well as the lip seal with the plugging tool.
Remove compact rod seal (11). Pierce the O-ring with a curved plugging tool (12).
Attention: do not damage the groove.
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11
21
Insert wiper ring (22-23)
22
10
20
23
12
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79
Resize the piston seal with the "assembly bushing cylinder tube" (36). Push bushing
over the piston (37-38). (Time to resize approx. 10 seconds)
Grease all seals with operating fluid and introduce assembly pin (24-25).
24
25
36
37
38
Remove "Assembly bushing cylinder tube" (39-40).
7.3.2 Assembly of Piston Seals
Place teflon seal (piston seal) on the assembly bushing for the piston seal (26). Push the
piston seal to the end of the assembly bushing (28) with the assembly sleeve (27).
39
26
27
28
Mount O-ring in the piston
groove with a rounded
screw driver (29) and ensure
untwisted mounting: when
the O-ring is in the groove,
turn 1-2x by 360º around
29
30
the piston with the screw
driver (30).
Place assembly bushing on piston (31) until the edge of the bushing is flush with the
first edge of the piston groove. The O-ring must still be visible (32). Push the piston seal
into the groove with the sleeve (33).
Pre-size wear ring (wiper) on piston (41).
Insert into first groove of piston, with the opening positioned downwards (42).
Then push "assembly bushing cylinder tube" over the piston rod up to the last groove of
the piston (43).
41
32
42
43
Also pre-size the second wear ring on the piston-Ø (44) and then insert the wear ring
into the groove with the opening facing upwards (45)
The two wear ring openings should always be spaced at 180º.
44
31
40
45
33
Slide "assembly bushing
cylinder tube" completely
over the piston until the first
wear ring is half visible
(46-47).
Remove assembly bushing
(34-35). Grease the piston
seal with operating fluid.
46
34
47
35
Attention: If it slips through do not slide back as the wear ring may be
destroyed.
80
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81
7.3.3 Installation of Piston Rod
8. Product range
Slightly grease the initial portion of the cleaned tube (48) and insert the piston rod with
mounted assembly bushing into the cylinder tube (49).
Please take care that the teflon seal is not sheared. Hold "assembly bushing cylinder
tube" firmly so that the piston rod is not damaged (50). The "assembly bushing cylinder
tube" shall not fall on the piston rod.
You are looking for optimum hydraulic or electromechanical linear drive systems or
cushioning or you are needing hydraulic cylinders for punching machines or test cylinders for simulation of real situations - you will find everything you need in the electronic
Hänchen catalogue.
From individual cylinder components (standard parts and Hänchen standards) over the
safety clamping device Ratio-Clamp®, cushioning elements and industrial shock absorbers, electronic components, proximity sensors and the corresponding plug connectors as
well as add-on parts/fastening elements up to all screws - every part for your individual
solution is to be found here.
48
49
Push piston rod into final
position (51-52). In case of
very long cylinders fit the
cover first before pushing
piston rod into final position,
as otherwise there is the risk 51
of tilting.
50
For your safety: All parts are checked for quality and function and match.
52
7.3.4 Assembly of Cover
Position the seal-fitted cover with assembly pin on piston rod (53-54).
First remove all fastening parts from the piston rod, especially locking pins and the like.
Attention: Careful of squashing fingers! Secure assembly pin against falling. Remove
assembly pin (55).
53
54
55
Adjust cover according to hole pattern, i.e. rotate into correct installation position (56).
Make sure that the O-ring is fitted correctly.
Tighten cover with at least 2 turns crosswise to cylinder tube (57).
Then tighten all screws crosswise according to the specified tightening torque (58).
56
82
57
58
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83
Hydraulic cylinder
Hydraulic cylinder
with proximity sensors
Ratio-Test®
Test cylinder
Ratio-Clamp®
Rod clamping device
Best quality is our
standard
Industrial shock absorbers
40 year troublefree operation is no ra-
Pressure intensifier
rity for Hänchen cylinders. Reliability,
Air filter
compact design, long service life etc.
Accessories/
fastening elements
Special-purpose cylinder
Ratio-Drive®
System solutions
are the properties of the Hänchen
standard hydraulik cylinders. This also
applies to the most today‘s applications. For more information, please visit our homepage.
Electronic catalogue
www.haenchen.de
84
www.haenchen.de
Herbert Hänchen GmbH & Co. KG
Brunnwiesenstr. 3
73760 Ostfildern
Postfach 41 40
73744 Ostfildern
Doedijns Fluidap NV/SA
Parc Industriel d‘Amay
Allée II no. 4
4540 Amay
Fon +32 (0) 85-51.96.96
Fax +32 (0) 85-51.96.97
[email protected]
Nevija d.o.o
Gregorciceva ulica 29a
2000 Maribor
SLOWENIEN
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
Haenchen (Shanghai)
hydraulic equipment Co.,Ltd
Room 1006, North Building
#1839 Qi Xin Road
201101 Shanghai
Fon +86 21 52967720
Fax +86 21 51564120
[email protected]
www.haenchen.cn
Hänchen Hydraulik AG
Postfach 415
Hungerbüelstr. 17
8501 Frauenfeld
SCHWEIZ
Fon +41(0)52 / 7 20 56 00
Fax +41(0)52 / 7 20 56 08
[email protected]
www.haenchen.ch
Abacus Hydraulics Ltd.
2034 Bord du Lac
Ile Bizard, Montreal
CANADA H9C 1A4
Fon +1 514 / 6 20-31 13
Fax +1 514 / 6 20-31 15
[email protected]
Nevija d.o.o
2000 Maribor
SLOWENIEN
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
ATOY OY ATOCO
Hydraulik-Division
Ruukintie 7-9
02330 Espoo
Fon +358 9 6827 281
Fax +358 9 6827 305
[email protected]
Nevija d.o.o
2000 Maribor
SLOWENIEN
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
Hänchen Hydraulique S.A.R.L.
Espace Européen de l’Entreprise
2 Allée d´Oslo –Schiltigheim
67013 Strasbourg Cedex
Fon +33 (0) 3.88.26.18.08
Fax +33 (0) 3.88.26.85.13
[email protected]
www.haenchen.fr
Nevija d.o.o
2000 Maribor
SLOWENIEN
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
T.A. Savery & Co. Limited
Grovelands · Longford Road
Exhall · Coventry · CV7 9NE
Fon +44 (0)2476 64 5555
Fax +44 (0)2476 36 6879
[email protected]
Esspee Impex Pvt. Ltd.
28/9, Nehru Nagar (EAST)
Bhilai 490 020 (C.G.)
Fon +91-9302822175
Fax +91-788-2292175
[email protected]
338
Fon +49 711 44139-0
Fax +49 711 44139-100
[email protected]
www.haenchen.de
R&S Hydrauliek B.V.
Ohmstraat 42
3335 LT Zwijndrecht
Fon +31/78623-1818
Fax +31/78623-1819
[email protected]
Egil Eng & Co. AS
Jernkroken 7
0976 Oslo
Fon +47 / 22 90 05 60
Fax +47 / 22 16 15 55
[email protected]
www.haenchen.de
Postfach 415
Hungerbüelstr. 17
8501 Frauenfeld
SCHWEIZ
Fon +41(0)52 / 7 20 56 00
Fax +41(0)52 / 7 20 56 08
[email protected]
www.haenchen.ch
Biuro Handlowe Kurant-trade
ul. Kolejowa 24
59-100 Polkowice
Fon +48 663 022-829
Fax +48 76 84564-94
[email protected]
SAICIPO Lda.
Av.Joaquim Ferreira dos Santos, 384
4415 - 707 Olival – VNG
Fon +351 229 437 140
Fax +351 229 437 149
[email protected]
PLURITECH srl Romania
sc.2, et.1, ap.25, sector 3,
str. Aleea Budacu nr.3.bl.M5
030461Bucuresti
Fon +40-7 44 31 15 35
Fax +40-21-3 40 58 10
[email protected]
SWEDEC PNEUMATIC AB
Hedeforsvägen 2
44361 Stenkullen
Fon +46(0)302 / 23650
Fax +46(0)302 / 22854
[email protected]
Postfach 415
Hungerbüelstr. 17
8501 Frauenfeld
Fon +41(0)52 / 7 20 56 00
Fax +41(0)52 / 7 20 56 08
[email protected]
www.haenchen.ch
Nevija d.o.o
2000 Maribor
SLOWENIEN
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
Nevija d.o.o
2000 Maribor
Fon +386 2234-8557
Fax +386 2234-8551
[email protected]
HRE Hidraulic, S.L.
C/ Ibaitarte, 21
20870 Elgoibar - Gipuzkoa
Fon +34 943 74 21 30
Fax +34 943 74 27 08
[email protected]
Dynatec System Co., Ltd.
Rm. 1109, Samhomulsan A B/D
275-1, Yangjae-Dong, Seocho-GU
Seoul 137-940
Fon +82-2-579-2744
Fax +82-2-579-2745
[email protected]
Verkaufsbüro
Hauptstrasse 133
09249 Taura
DEUTSCHLAND
Mobil +420 724 762 329
Fon / Fax +49 (0) 37 24 / 34 24
[email protected]
Gencpa Ithalat & Ihracat
Ziya Gokalp Bul.No:22/6
35220 Alsancak-Izmir
Fon +90 232 479 13 38
Fax +90 232 479 14 92
[email protected]
Hydro Max Fluid Power
3-a Osvoboditeley Ave.
02125 Kiev
Fon +380 44 594 0091
Fax +380 44 594 0098
[email protected]
IC Fluid Power, Inc.
P.O.Box 97
Rossford, Ohio 43 460
Fon +1 419 / 661-88 11
Fax +1 419 / 661-88 44
[email protected]
Verkaufsbüro
Hauptstrasse 133
09249 Taura
DEUTSCHLAND
Mobil +420 724 762 329
Fon / Fax +49 (0) 37 24 / 34 24
[email protected]
www.haenchen.de
339
Internationales Adressverzeichnis
der Hänchen-Vertretungen Seite 338
International Address Directory
of the Hänchen Agencies Page 338
Liste d’adresses internationales
des représentations de Hänchen page 338
Elenco degli indirizzi internazionali
delle filiali Hänchen a pagina 338
Lista de direcciones de las representaciones
internacionales de Hänchen ver página 338
Adresy mezinárodních poboček a zastoupení
společnosti Hänchen Strana 338
Адреса международных
филиалов фирмы Hänchen стр 338
Hänchen 国际代理名单见 338 页
Brunnwiesenstr. 3 · 73760 Ostfildern
Postfach 4140 · 73744 Ostfildern
GERMANY
Fon + 49 711 44139 - 0
Fax + 49 711 44139 - 100
info @ haenchen.de
www.haenchen.de
© Hänchen HH 2581 / 08-2013
Herbert Hänchen GmbH & Co. KG

hydraulic cylinders

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