Related Products. Technical Data

Transcription

1 est Pneuatics Related Products Related Products ock Absorber: P..- Floating oint: P..- Auto witc: P..3- Made to Order: -X P..- opper Free: 0- P..- Tecnical ata Tecnical ata P..- -X 0- Tecnical ata.0-0

2 ock Absorber eries Ipact and noise absorption apening to eet te ig speed requireents of te odern world. ock Absorber: eries oolant Resistant: eries L Autoatic adjustent to te ost appropriate absorption perforance pecially designed orifice can absorb energy copreensively and ost appropriately in any different applications. Tis ranges fro ig speed low loads, to low speed ig loads; witout requiring additional adjustent of te sock absorber. Usable witout a stopper nut Te strong body can be positioned directly. ort tyle ock Absorber: eries Q A copact style tat as been sortened lengtwise Allowable eccentric angle uitable for absorption of rotation energy. Usable witout a stopper nut Te strong body can be positioned directly. rag aspot Rubber daper M sock absorber (Large energy) troke M sock absorber (all energy) Variations eries eries eries Wit cap or buper (Option) topper nut Lock nut Foot bracket Page (Option).- eries Q oolant resistant eries L (xcept 08 type).- eries Q.-.- lock nuts are attaced for series and standard odels Q.

3 ock Absorber eries Wit cap pecifications Wit cap Max. energy absorption () troke absorption () Ipact speed (/s) 0.0 to Max. operation (cycle/in) Max. allowable trust energy (N) Allowable tep. range ( ) to 80 (No freezing) pring force (N) Weigt (g) xtended opressed Option topper nut Wit cap At ax. energy absorption per cycle. Max. operation cycle/in can increase in proportion to energy absorption. How to Order onstruction ock absorber tyle Wit cap Replaceent /ap (Resin part only) , 080 0, 0, Option 08 Applicable odel 0 0 None Wit stopper nut Add'l ex. nut (Total: 3 pcs. ) ounting ex. nuts are attaced as standard O.. tread-troke ap -X 0- xtended opressed oponent Parts No. q w e r t y u i o!0!!!3!!! escription Outer tube Inner tube Piston rod Piston earing pring guide Pusing nut Return spring eal older topper teal ball et screw Accuulator Rod seal craper Gasket Material Rolled steel pecial steel pecial steel pecial steel pecial bearing aterial Rolled steel teel for spring Piano wire opper alloy arbon steel earing steel pecial steel Note Gray coated Heat treatent Hard croe plated Heat treatent Zinc croated Zinc croated Zinc croated Foa rubber Tecnical ata.-

4 eries How to elect election Procedure lassification of ipact ylinder stroke at load (orizontal) ylinder stroke at load (downward) ylinder stroke at load (upward) onveyor stroke at load (orizontal) Free orizontal ipact Free dropping ipact Rotation ipact (wit torque) etails of applications ybol ω r d P F T n t µ ondition of application Ipacting object/weigt Ipacting object/speed ropping eigt Angle/speed istance between axis of cylinder and ipact point ore size ylinder operating pressure Trust energy Torque Operation cycle Abient teperature Friction coefficient Unit kg /sec rad/sec 3 pecifications and Operational instructions nsure tat te ipact speed, trust energy, operation cycle, abient teperature and atospere fall witin te specifications. e aware of te in. installation radius in te case of oscillating ipacts. alculation of kinetic energy Using te equation suitable for te classification of ipact. In te case of cylinder stroke at load and free orizontal ipact, substitute respective figures for ata A in order to calculate. alculation of trust energy elect any sock absorber as a provisional odel. In te case of trust energy of cylinder, substitute respective figures for ata or. alculation of corresponding weigt of ipacting object Me election of applicable odel MPa N N cycle/in nergy absorption =+ orresponding weigt of ipacting object Me= ubstitute bot energy absorption and ipacting object speed V for ata A in order to calculate te corresponding weigt of te ipacting object. Taking into consideration te corresponding weigt of te ipacting object Me, calculated using ata and ipacting object speed V, ceck provisional odel copatibility wit te condition of application. If tis is satisfactory, ten te said provisional odel will be te applicable one. aution To enable te sock absorber to operate accurately for long ours, it is necessary to select a odel tat is well-suited to your operating conditions. If te ipact energy is saller tan % of te axiu absorption energy, select a odel tat is one class lower..-3 xaple of election lassification of ipact Ipact object () /speed U Kinetic energy Trust energy nergy absorption Ipacting object/ corresponding () weigt Me etails of applications 3 pecifications Operational instructions alculation of kinetic energy alculation of corresponding weigt of ipacting object Me election of applicable odel ylinder stroke at load (Horizontal) =0kg =0.3/s d=0 p=0.mpa n=0cycle/in t = 0.3< (ax.) t (in.)<<80 (ax.) F F 8<9 (ax.) Y Use Forula to calculate. ubstitute 0 for and 0.3 for..3 Use ata to calculate. ubstitute alculation 0 for d.alculation of corresponding of trust weigt of ipacting object. energy 9. F + Use te forula "nergy absorption =+=.3+9.=." to calculate Me. ubstitute. for and 0.3 for. Me 0kg According to ata, te tentatively selected 0 satisfies Me= 0kg<00kg at =0.3. Ultiately, it will result in an operating frequency of n... 0<, witout causing a proble. Y elect 0 lassification of Ipact lassification of ipact Ipact object /speed () Kinetic energy Trust energy nergy absorption Ipacting object/ corresponding weigt Me (ownward) Note ) Ipacting object speed is oentary velocity at wic object is ipacting against sock absorber. () F+gs + ata A Kinetic energy or nergy absorption

5 ock Absorber eries (Upward) F g + onveyor driving at load (Horizontal) g µ + Free dropping ipact g g g + Rotation ipact (Wit torque) ω R I ω T R + Note ) An "Ipact body equivalent weigt" is te weigt of an ipact body witout involving trust, into wic an object's total energy as been converted. Note 3) Refer to te catalog of rotary actuator for te forula of oent of inertia (Kg ). <<ybol table>> ybol peciflcations d ore size nergy absorption Kinetic energy Trust energy F g I (3) n p R T t Me ω µ ylinder trust Acceleration of gravity ropping eigt Moent of inertia around te center of gravify Operation cycle ylinder operation pressure istance between axis of cylinder and ipact point ock absorber stroke Torque Abient teperature Ipacting object speed Ipacting object weigt orresponding weigt of ipacting object Angle speed Friction coefficient Unit N /s kg cycle/in MPa N /s kg kg rad/s - (Operating pressure 0.MPa) Trust energy of cylinder F Unit: troke absorption () ore size d () ata ata Trust energy at load (gs) 00 0 Trust energy at load (gs) 0. ata Ipacting object corresponding weigt Ipact object corresponding weigt Me (kg) X 0- Tecnical ata Operating pressure oter tan 0.MPa: Multiply by te following coefficient Operating press (MPa) oefficient Load weigt (kg) Ipact object speed (/s).-

6 eries iensions /080, 080, 0, 0 Wit cap/080, 080 0, 0 Oter diensions are te sae as te basic style Wit cap F.... H a.... L MM M8 X.0 M8 X.0 M X.0 M X Wit cap Z Hexagon nut /,, 0, Wit cap/, 0, Oter diensions are te sae as te basic style. 0 Wit cap 0 8 Hexagon Nut ( pcs. as standard) F Option topper nut For basic style H K 8 L MM M X. M X. M0 X. M X. For cap style Wit cap Z Hexagon nut Replaceent Part ap ( ) Tese are te replaceent parts for te cap style. Not available for te basic style iensions MM M8 X.0 M X.0 M X. 9 M0 X. M X Wit cap iensions MM 3 M8 X.0 3 M X.0 3 M X. 0 M0 X. M X. d f Material: Polyuretane iensions A R

7 ock Absorber eries Precautions e sure to read before andling. Refer to Pages p.0-39 to 0-3 for afety Instructions and coon precautions. Warning qte installation ust be designed so tat te ipact body is perpendicular to te sock absorber s axial centre. An angle of deviation tat exceeds 3 will place an excessive load on te bearings, leading to oil leaks witin a sort period of operation. wif oscillating ipacts are involved, te installation ust be designed so tat te direction in wic te load is applied is perpendicular to te sock absorber s axial center. Te allowable oscillating angle until te stroke end ust be θ < 3. In tis case, te iniu installation radius will be as sown in te table below. If te angle exceeds 3, it could lead to oil leaks. ea guide is necessary if te ipact body involves vibrations. If te ipact body involves vibrations and if a force tat is perpendicular to te axis is applied to te piston rod, a secure guide ust be provided for te ipact body. rte rigidity of te ounting frae ust be taken into consideration. If te ounting frae lacks rigidity, te sock absorber will vibrate after an ipact, causing bearing wear and daage. Apply te following forula to calculate te force tat is applied to te ounting frae: (absorption energy ) Force applied to te ounting frae N (stroke ) aution qte axiu absorption energy indicated in te specifications for bot eries and L cannot be brougt into full play unless te entire stroke is used. wte contact surface of te ipact body wit wic te piston rod coes in contact ust be igly rigid. In te case witout a cap, a ig surface copression load is applied to te contact surface of te ipact body wit wic te piston rod coes in contact. Terefore, te contact surface ust be igly rigid(ardness of HR3 or ore). ee aware of te return force of te ipact body. If used in a conveyor drive, after te sock absorber as absorbed energy, it could be pused back by te spring tat is built in. Refer to te colun for te spring force in te specifications (P..-). Warning election Installation conditions for rotation ipact () θ R (troke) (Allowable rotation angle) (Min. installation radius) nvironent qo not expose te sock absorber to acining oil, water, or dust. eries cannot be used under conditions in wic fluids suc as acining oil or water are present in atoized for or coe in direct contact wit te piston rod, or in wic dust could adere to te piston rod. uc conditions would cause alfunction. wo not operate te sock absorber in an environent tat poses te risk of corrosion. Refer to te respective structural drawing for te type of aterial tat is used in te sock absorbar. eo not use te sock absorber in a clean roo, as it could containate te clean roo. Warning qefore perforing installation, reoval, or stroke adjustent, ake sure to cut te power supply to te equipent and verify tat te equipent as stopped. aution qtigtening torque of ounting nut sould be as follows O.. tread () M8 X.0 Tread prepared bore () ø Tigtening torque (N) If te tigtening torque tat is applied to te nut exceeds te value given above, te sock absorber itself could becoe daaged. wo not scratc te sliding portion of te piston rod or te outside Failure to observe tis precaution could scratc or gouge te sliding portion of te piston rod, or daage te seals, wic could lead to oil leakage and alfunction. Furterore, daage to outside treaded portion of te outer tube could prevent te sock absorber fro being ounted onto te frae, or its internal coponents could defor, leading to a alfunction. enever turn te screw on te botto of te body it is not an adjustent screw, as tis will cause oil leakage. radjust te stopping tie troug te use of te stopper nut, as follows: ontrol te stopping tie of te ipact body by turning te stopper nut in or out (tus canging lengt a ). After establising te stopper nut position, use a exagon nut to secure te stopper nut in place. aution. Mounting 0 0 M X.0 M X. ø ø Maintenance 0 M0 X. ø M X. ø qmake sure tat te retaining nut is not loose. Te sock absorber could becoe daaged if it is used in a loose state. wpay attention to any abnoral ipact sounds or vibrations. If te ipact sounds or vibrations ave becoe abnorally ig, te sock absorber ay ave reaced te end of its service life. If tis is te case, replace te sock absorber. If use is continued in tis state, it could lead to equipent daage. einspect te cap for any cracks or wear. If te sock absorber coes wit a cap, te cap could wear first. To prevent daage to te ipact body, replace te cap often..- -X 0- Tecnical ata

8 oolant Resistant ock Absorber eries L an be operated in an environent exposed to nonwater soluble cutting oil. pecifications L0 L0 L L L0 L Wit cap L0 L0 L L L0 L Max. energy absorption () troke absorption () Ipact speed (/s) 0.0 to Max. operation (cycle/in) Max. allowable trust energy (N) Allowable teperature range ( ) ffective atospere to 80 Water-iiscible cutting oil pring force (N) xtended opressed Weigt (g) 30 Option topper 0 nut Wit cap 0 At ax. energy absorption per cycle. Max. operation cycle/in can increase in proportion to energy absorption. How to Order L onstruction Wit cap ock absorber oolant resistant tyle Wit cap Replacecent / ap (Resin part only) Option O.. tread-troke Applicable odel L0, 0 0 L0 L, L None Wit stopper nut Add'l ex. nut (Total: 3 pcs. ) ounting exagon nuts are attaced as standard. ap.- oponent Parts No. q w e r t y u i o!0!!!3!!!! escription Outer tube Inner tube Piston rod Piston earing pring guide Pusing nut Return spring eal older topper teal ball et screw Accuulator Rod seal craper Gasket pacer Material Note Rolled steel lack coated pecial steel Heat treatent pecial steel Hard croe plated pecial steel Heat treatent pecial bearing aterial Rolled steel Zinc croated teel for spring Piano wire Zinc croated opper alloy arbon steel Zinc croated earing steel pecial steel Foa rubber Rolled steel Zinc croated

9 ooler Resistant tyle ock Absorber eries L iensions /L0, L0 Wit ap/l0, L0 Oter diensions are te sae as te basic style. Wit ap F H a L0 L0 L0 L Note) L, and diensions of L()0/0 are different fro tose of ()0/0. /L, L, L0, L L MM M X.0 M X Wit cap. 8. Z Hexagon nut.. Wit ap/l, L L0, L Oter diensions are te sae as te basic style. Wit ap F H K L L L0 L L L L0 L Note) L, and diensions of L()0/0 are different fro tose of ()0/0. Hexagon Nut ( pcs. as standard) Option topper Nut For basic style L MM M X. M X. M0 X. M X. For cap style Wit cap Z Hexagon nut Replaceent Part ap ( Tese are te replaceent part for te cap style. Not available for te basic style. ) -X 0- Tecnical ata 0 iensions MM M X.0 M X. 9 M0 X. M X Wit ap iensions MM 3 M X.0 3 M X. 0 M0 X. M X. d 3 3 f Material: Polyuretane iensions A R

10 eries, L Made to Order pecifications ontact M for te detailed diensions, specifications and delivery. Order Made Foot racket for ock Absorber Available for te foot ounting bracket of series. Applicable absorber 08-X33 80, 080 -X33 0, 0 -X33, 0-X33 0 -X33 Order te foot bracket separately. iensions H L MM T X Mounting bolt 08-X33 -X33 -X33 0-X33 -X rill, 8 ept of counter bore...rill, 9. ept of counter bore. 9. 9rill, ept of counter bore8.. rill,. ept of counter bore rill, 0 ept of counter bore M8 X.0 M X.0 M X. M0 X. M X M M M8 M M.-9

11 ock Absorber ort tyle eries Q Allowable eccentric angle is Ideal for absorption of rotation energy pecifications Wit daper Q Q Q00 Q00 Q08 Q08 Q3009 Q3009 Q33 Q33 Max. energy absorption () troke absorption () Ipact speed (/s) 0.0 to 3 Max. operation (cycle/in) Max. allowable trust (N) Abient teperature ( ) to 80 pring force (kgf) xtended opressed Weigt (g) Option/topper nut Q 0 Q Q30 Q3 At ax. energy absorption per cycle. Max. operation cycle/in can increase in proportion to energy absorption. Mounting nut: pcs. (tandard). How to Order Wit buper eries Q eries Q Q 0 0 Replaceent /aper onstruction ock absorber ort tyle tyle Wit daper O.. tread-absorption stroke Option None Wit stopper nut Add'l of ex. nut (Total: 3 pcs. ) Q Applicable odel -Q 0-Q00 -Q08 30-Q Q33 ounting ex. nuts are attaced for standard. uper -X 0- opressed Returning Tecnical ata An ipacting object tat strikes against te piston rod end pressurizes oil inside te piston. Tus, pressurized oil jets out troug te orifice inside te piston, tereby generating ydraulic resistance to absorb te energy of te ipacting object. Te oil jetted out troug te orifice is collected inside te outer tube by eans of te stretcing action of te accuulator. Wen te ipacting object is reoved, te return spring puses out te piston rod, and negative pressure, generated at te sae tie, opens te ceck ball to perit oil to return to te inside of te piston rod and te piston, tus aking te sock absorber ready for te next ipact. oponent Parts No. q w e r t y escription Outer tube Piston rod Piston earing Return spring topper Material Rolled steel pecial steel pecial steel pecial bearing aterial Piano wire arbon steel Note lack nickel plated Heat treatent Hard croe plated Heat treatent Zinc croated Zinc croated No. u i o!0! escription eck ball Accuulator Rod packed craper uper Material earing steel Polyuretane Note Foa rubber Only wit buper.-

12 eries Q How to elect election Procedure lassification of ipact ylinder stroke at load (Horizontal) ylinder stroke at load (ownward) ylinder stroke at load (Upward) onveyor stroke at load (Horizontal) Free dropping ipact Rotation ipact (Wit torque) etails of applications ybol u w r d P F T n t µ ondition of application Ipacting object/weigt Ipacting object/speed ropping eigt Angle/speed istance between axis of cylinder and ipact point ore size ylinder operatina pressure Trust Torque Operation cycle Abient teperature Friction coefficient Unit kgf /sec rad/sec 3 pecifications and Operational instructions nsure tat te ipact speed, trust, operation cycle, te abient teperature and atospere fall witin te specifications. e aware of te in. installation radius in te case of oscillating ipacts. alculation of kinetic energy Using te equation suitable for te classification of ipact. In te case of cylinder stroke at load and free orizontalipact, substitute respective figures for ata A in order to calculate. alculation of trust energy elect any sock absorber as a provisional odel. In te case of trust energy of cylinder, substitute respective figures for ata or. alculation of corresponding weigt of ipacting object Me nergy absorption =+ orresponding weigt of ipacting object Me-= ubstitute bot energy absorption and ipacting object speed U for ata A in order to calculate te corresponding weigt of te ipacting object. election of applicable odel MPa kgf N cycle/in Taking into consideration te corresponding weigt of te ipacting object Me, calculated using ata and ipacting object speed V, ceck provisional odel copatibility wit te condition of application. If tis is satisfactory, ten te said provisional odel will be te applicable one. aution To enable te sock absorber to operate accurately for long ours, it is necessary to select a odel tat is well suited to your operating conditions. If te ipact energy is saller tan % of te axiu absorption energy, select a odel tat is one class lower..- xaple of election ylinder stroke at load (Horizontal) lassification of ipact () Ipact object /speed U Kinetic energy Trust energy nergy absorption () Ipacting object /corresponding weigt Me etails of applications 3 pecifications Operational instructions alculation of kinetic energy alculation of trust energy Use te forula "nergy absorption alculation of =+=.9+.0=9.9" to calculate corresponding Me. uitable 9.9 for and 0. for. weigt of ipacting Me 0kg object Me election of applicable odel F + =0kg =0./s d=0 p=0.mpa n=30cycle/in t= 0.<3 (ax.) t (in.)<<80 (ax.) F F 8<8 (ax.) Y Use Forula to calculate. uitable 0 for and 0. for..9 elect Q08 as provisional odel. Use ata to calculate. ubstitute d for 0..0 According to ata, te tentatively selected Q08 satisfies Me=0 kg<0kg at =0.. Ultiately, it will result in an operating frequency of n 30<, witout causing a proble. Y elect Q08 lassification of Ipact lassification of ipact Ipact object/ speed () Kinetic energy Trust energy nergy absorption Ipacting object/ corresponding weigt Me () (ownward) F +gs + Note ) Ipacting object speed is oentary velocity at wic object is ipacting against sock absorber. ata A Kinetic energy or nergy absorption

13 ort tyle ock Absorber eries Q (Upward) F g + onveyor stroke at load (Horizontal) g µ + Free dropping ipact g g g + Rotation ipact (Weigt torque) ω R I ω T R + Note ) An "Ipact body equivalent weigt"is te weigt of an ipact body witout involving trust, into wic an object's total energy as been converted. Hence, = / Me v Note 3) Refer to te catalogue of rotary actuator for te forula of oent of inertia I (kg ) <<ybol table>> ybol peciflcations d ore size nergy absorption Kinetic energy F g I (3) n p R T t Me ω µ Trust energy ylinder trust Acceleration of gravity ropping eigt Moent of inertia around te centre of gravity Operation cycle ylinder operation pressure istance between axis of cylinder and ipact point ock absorber stroke Torque Abient teperature Ipacting object speed Ipacting object weigt orresponding weigt of ipacting object Angle speed Friction coefficient Unit N /s kg cycle/in MPa N /s kg kg rad/s - ata ata Trust energy of cylinder F Q Q 00 ore size d () (Operating press. 0.MPa) Unit: Q 08 Q 3009 Q 33 troke absorption Operating pressure oter tan 0.MPa: Multiply by te following coefficient Operating pressure (MPa) oefficient ata Trust energy at load (gs) Trust energy at load (gs) Q 33 Load weigt (kg) Q Q 3009 Q 08 Q 00 ata Ipacting object corresponding weigt Me Ipact object corresponding weigt Me (kg) Q 33 Q 3009 Q 08 Q 00 Q Ipact object speed (/s) -X 0- Tecnical ata.-

14 eries Q iensions eries Q eries Q Wit daper Q Q00 Q08 Q3009 Q33 Wit daper Q Q00 Q08 Q3009 Q F 3. H ock absorber K G MM M X. M0 X. M X. M30 X. M3 X Hexagon nut Hexagon nut ( pcs. as standard) Option topper nut Replaceent Part uper Tese are te replaceent parts for te cap style. Not available for ( te basic style. ) Unit: Material: arbon steel MM MM Q 0 () Q Q30 Q3 M X. M0 X. M X. M30 X. M3 X Q 0 () Q Q30 Q M X. M0 X. M X. M30 X. M3 X. Note ) In case of 0, and Q are coon. Note ) In case of 0, and Q are coon. Q Q0 Q Q30 Q3 A 3... Material: Polyuretane

15 ort tyle ock Absorber eries Q Precautions e sure to read before reading. Refer to p.0-39 to 0-3 for afety Instructions and coon precautions. Warning qload sould always be aligned wit te axis of piston rod. An angle of deviation tat exceeds will place an excessive load on te bearings, leading to oil leaks witin a sort period of operation. wif oscillating ipacts are involved, te installation ust be designed so tat te direction in wic te load is applied is perpendicular to te sock absorber s axial centre. Te allowable oscillating angle until te stroke end ust be θ. In tis case, te iniu installation radius will be as sown in te table below. If te angle exceeds, it could lead to oil leaks. ea guide is necessary if te ipact body involves vibrations. Installation conditions for rotation ipact Q Q 00 Q 08 Q 3009 Q 33 (troke) θ (Allowable rotation angle) () R (Min. installation radius) If te ipact body involves vibrations and if a force tat is perpendicular to te axis is applied to te piston rod, a secure guide ust be provided for te ipact body. rte rigidity of te ounting frae ust be taken into consideration. If te ounting frae lacks strengt, te sock absorber will vibrate after an ipact, causing bearing wear and daage. Load on ounting plate can be calculated as follows. (nergy absorption) Load on ounting plate N (troke ) aution qte axiu absorption energy indicated in te specifications cannot be brougt into full play unless te entire stroke is used. wte contact surface of te ipact body wit wic te piston rod coes into contact ust be igly rigid. In te case witout a cap, a ig surface copression load is applied to te contact surface of te ipact body wit wic te piston rod coes into contact. Terefore, te contact surface ust be igly rigid (ardness of HR3 or ore). ee aware of te return force of te ipact body. If used in a conveyor drive, after te sock absorber as absorbed energy, it could be pused back by te spring tat is built in. For details on tis return force, refer to te colun for te spring force in te specifications (P..-). Warning election nvironent qo not expose te sock absorber to acining oil, water, or dust. eries Q cannot be used under conditions in wic fluids suc as acining oil or water are present in atoized for or coe in direct contact wit te piston rod, or in wic dust could adere to te piston rod. uc conditions would cause alfunction. wo not operate te sock absorber in an environent tat poses te risk of corrosion. Refer to te respective structural drawing for te type of aterial tat is used in te sock absorber. eo not use te sock absorber in a clean roo, as it could containate te clean roo. Warning Mounting qefore perforing installation, reoval, or stroke adjustent, ake sure to cut off te power supply to te equipent and verify tat te equipent as stopped. aution O.. tread () Max. tigtening torque (N) Q Q00 Q08 Q3009 Q33 M M0 M30 M30 M qtigtening torque of ounting nut sould be as follows. If te tigtening torque tat is applied to te nut exceeds te value given above, te sock absorber itself could becoe daaged. wo not scratc te sliding portion of te piston rod or te outside treads of te outer tube. Failure to observe tis precaution could scratc or gouge te sliding portion of te piston rod, or daage te seals, wic could lead to oil leakage and alfunction. Furterore, daage to te outside treads of te outer tube could prevent te sock absorber fro being ounted onto te frae, or its internal coponents could defor, leading to a alfunction. enever turn te screw on te botto of te body (it is not an adjustent screw), as tis will cause oil leakage. radjust te stopping tie troug te use of te stopper nut, as follows: ontrol te stopping tie of te ipact body by turning te stopper nut in or out (tus canging lengt a ). After establising te stopper nut position, use a exagon nut to secure te stopper nut in place. aution Maintenance qmake sure tat te retaining nut is not loose. Te sock absorber could becoe daaged if it is used in a loose state. wpay attention to any abnoral ipact sounds or vibrations. If te ipact sounds or vibrations ave becoe abnorally ig, te sock absorber ay ave reaced te end of its service life. If tis is te case, replace te sock absorber. If use is continued in tis state, it could lead to equipent daage. einspect te buper for any cracks or wear. If te sock absorber coes wit a buper, te daper could wear first. To prevent daage to te ipact body, replace te buper often. Te buper inserted into te piston rod can be reoved easily by a sall screwdriver. Wen reassebling, pus te saller end of te buper inside te piston..- -X 0- Tecnical ata

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