FUJI LATEX FA-3650UD / FWM-3650UBD Adjustable Shock Absorbers

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FUJI LATEX FA-3650UD FWM-3650UBD large adjustable hydraulic shock absorbers
FUJI LATEX FA-3650UD FWM-3650UBD large adjustable hydraulic shock absorbers
FUJI SEIKI_FA-3650UD_FWM-3650UBD

Adjustable Hydraulic Shock Absorbers

  • FUJI LATEX FA-3650UD/FWM-3650UBD shock absorbers offer a 50 mm stroke and 392 J capacity for high- and medium-speed industrial impact control, providing stable end-stop cushioning, reduced vibration, and reliable performance in automation and heavy-duty machinery applications.
  • Brand FUJI SEIKI
：
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Features
  • High- and medium-speed models: FA-3650UD supports high-speed impact from 0.7 to 3 m/s, while FWM-3650UBD covers medium speeds from 0.3 to 2 m/s.
  • 50 mm stroke and 392 J capacity: Both series provide a 50 mm stroke and maximum absorption energy of 392 J for industrial machinery and automation equipment end stops.
  • Different orifice structures: FA-3650UD uses a single-orifice structure for high-speed impact, while FWM-3650UBD uses a multiple-varying-orifice structure for pneumatic drives and medium-speed operation.
  • Adjustable and lockable damping: Damping can be continuously adjusted with the knob at the bottom of the body and secured with a locking screw.
  • Catalog download and selection support: Models can be selected by absorption energy, equivalent mass, impact speed, cycle rate, stroke, and installation space. Catalogs and drawings are available for review.
Specification
ItemFA-3650UD／FWM-3650UBD
Product typeLarge adjustable hydraulic shock absorber
Series modelsFA-3650UD-S
FA-3650UD-C
FWM-3650UBD-S
FWM-3650UBD-C
Model characteristicsHigh-speed and medium/wide-speed-range types
Thread sizeM36×1.5
Stroke50 mm
Max. absorption energy392 J
Absorption energy per minute2,352 J/min
Impact speed range0.3～3 m/s
Max. equivalent mass1,400～2,700 kg
Max. cycle rate30 cycles/min
Operating temperature range-5 ~ 70 ℃
Max. drag23,520 N
Piston rod return force68.6 N or lower
Product massCapless model: 1,330 g
capped model: 1,410 g
End types-S: capless
-C: with cap
Allowable eccentric angleWithin ±2.5°

Specification notes

  • The FA-3650UD / FWM-3650UBD Series consists of M36×1.5 large adjustable hydraulic shock absorbers with a 50 mm stroke for end-stop deceleration and impact absorption.
  • FA-3650UD suits high-speed moving mechanisms. FWM-3650UBD is designed for medium-speed operation, pneumatic cylinder drives, and machines with changing operating speeds.
  • Damping can be continuously adjusted with the knob at the bottom of the body and set between numbered scale positions. Secure the setting with the locking screw after adjustment.
  • Ensure mounting strength of approximately two to three times the listed maximum drag and install an external stopper. Keep the eccentric angle within ±2.5°.
  • Optional parts include the OP-020UB stopper nut, OP-010UB eccentric angle adaptor, and OP-040UB square flange. The eccentric angle adaptor supports angles up to ±10°.
  • Do not turn the oil inlet screw at the bottom of the body. Do not use the product in a vacuum or where it may come into direct contact with oil. Review the catalog and drawings or contact GATO Corporation for selection support.
FAQ

Q1: What is the FUJI LATEX FA-3650UD / FWM-3650UBD Series?
A: The series consists of large adjustable hydraulic shock absorbers for end-stop impact absorption in automation equipment, large slides, transfer systems, and industrial machinery.


Q2: What equipment is this series suitable for?
A: It is suitable for large automation equipment, conveyors, transfer mechanisms, large slides, pneumatic cylinder drives, and industrial machinery requiring end-stop deceleration.


Q3: What is the difference between FA-3650UD and FWM-3650UBD?
A: FA-3650UD supports high-speed impact from 0.7 to 3 m/s. FWM-3650UBD covers 0.3 to 2 m/s for medium-speed operation and pneumatic cylinder drives.


Q4: Is this series fixed or adjustable?
A: The series is adjustable. Damping can be continuously set with the knob at the bottom of the body and secured with the locking screw.


Q5: Which full model numbers are available?
A: Models include FA-3650UD-S, FA-3650UD-C, FWM-3650UBD-S, and FWM-3650UBD-C.


Q6: What is the maximum absorption energy?
A: Both series provide 392 J maximum absorption energy per impact and 2,352 J/min maximum absorption energy per minute.


Q7: How should FA-3650UD and FWM-3650UBD be selected?
A: Select by impact speed first. FA-3650UD covers 0.7–3 m/s, while FWM-3650UBD covers 0.3–2 m/s. Then confirm equivalent mass and drive method.


Q8: What is the difference between the -S and -C suffixes?
A: The -S suffix indicates a capless model, while -C indicates a model supplied with an impact cap.


Q9: What should be checked before installation?
A: Confirm mounting strength, external stopper design, impact speed, equivalent mass, cycle rate, and eccentric angle. Do not use the product in a vacuum or where it may directly contact oil.


Q10: How do I select the correct model?
A: Confirm absorption energy, equivalent mass, impact speed, cycles per minute, drive method, installation space, and impact angle, then contact GATO Corporation for selection support.

File Downloads
File Name
File Type
Download
Adjustable Hydraulic Shock Absorbers FA-3650UD_FWM-3650UBD Series_E
PDF
FA-3650
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