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Shock absorber that can automatically adjust to the most appropriate energy absorption performance.
[Features]
· Absorbs impact and noise.
· Compact type that has been shortened lengthwise.
· Allowable deviation angle is 5°.
· Ideal for absorption of rotational energy.
· Can be used without an external stopper.
· The robust body can be positioned directly.
· RBQ: Basic type.
· RBQC: With damper.
Part Number
Configured Part Number is shown.
RBQC3213SJ
RBQ Series (Basic Type) / RBQC Series (With Damper) external appearance
Allowable deviation angle is 5° allowing effective absorption of rotational energy
Specifications | Model | |||||
---|---|---|---|---|---|---|
Basic Type | RBQ1604 | RBQ2007 | RBQ2508 | RBQ3009 | RBQ3213 | |
With cap | RBQC1604 | RBQC2007 | RBQC2508 | RBQC3009 | RBQC3213 | |
Max. absorbed energy (J)Note) | 1.96 | 11.8 | 19.6 | 33.3 | 49.0 | |
Outer diameter thread size | M16 × 1.5 | M20 × 1.5 | M25 × 1.5 | M30 × 1.5 | M32 × 1.5 | |
Stroke absorption mm | 4 | 7 | 8 | 8.5 | 13 | |
Collision speed (m/s) | 0.05 to 3 | |||||
Max. operating frequency (cycle/min) | 60 | 60 | 45 | 45 | 30 | |
Max. allowable thrust (N) | 294 | 490 | 686 | 981 | 1,177 | |
Ambient temperature range °C | -10 to 80 | |||||
Spring force (N) | Extended | 6.08 | 12.75 | 15.69 | 21.57 | 24.52 |
Compressed | 13.45 | 27.75 | 37.85 | 44.23 | 54.23 | |
Weight g | 28 | 60 | 110 | 182 | 240 | |
Optional: Stopper nut | RBQ16S | RBQ20S | RBQ25S | RBQ30S | RBQ32S |
Note) Max. absorbed energy and max. operating frequency values are at room temperature (20 to 25°C).
Structural diagram at collision
When a colliding object strikes against the piston rod end, it applies pressure to the oil inside the piston. This pressurized oil then jets out through the orifice inside the piston. This generates hydraulic resistance that absorbs the energy of the colliding object.
The oil that shoots out of the orifice is collected inside the outer tube by means of the accumulator expanding and contracting.
Structural diagram at return
When the colliding object is removed, the return spring pushes out the piston rod. At the same time, negative pressure causes the check ball to unseat to allow oil to return to the piston rod and the piston, ready for the next impact.
Number | Part Name | Material | Treatment |
---|---|---|---|
1 | Outer tube | Rolled steel | Black electroless nickel plating |
2 | Piston rod | Special steel | Heat treated, Hard chrome plating |
3 | Piston | Special steel | Heat treated |
4 | Bearing | Special bearing material | - |
5 | Return spring | Piano wire | Zinc chromate |
6 | Stopper | Carbon steel | Zinc chromate |
7 | Check ball | Bearing steel | - |
8 | Accumulator | Fluororubber | Foam rubber |
9 | Rod gasket | NBR | - |
10 | Scraper | NBR | - |
11 | Damper | Polyurethane | Only with damper |
RBQ Series (Basic Type) dimensional drawing
RBQC Series (With Damper) dimensional drawing
RBQ Series Common dimensional drawing
(Units: mm)
Model | Shock Absorber Main Body Dimensions | Hex nut dimensions | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic Type | With damper | D | E | F | H | K | G | LL | MM | S | B | C | h |
RBQ1604 | RBQC1604 | 6 | 14.2 | 3.5 | 4 | 14 | 7 | 31 | M16 × 1.5 | 27 | 22 | 25.4 | 6 |
RBQ2007 | RBQC2007 | 10 | 18.2 | 4 | 7 | 18 | 9 | 44.5 | M20 × 1.5 | 37.5 | 27 | 31.2 | 6 |
RBQ2508 | RBQC2508 | 12 | 23.2 | 4 | 8 | 23 | 10 | 52 | M25 × 1.5 | 44 | 32 | 37 | 6 |
RBQ3009 | RBQC3009 | 16 | 28.2 | 5 | 8.5 | 28 | 12 | 61.5 | M30 × 1.5 | 53 | 41 | 47.3 | 6 |
RBQ3213 | RBQC3213 | 18 | 30.2 | 5 | 13 | 30 | 13 | 76 | M32 × 1.5 | 63 | 41 | 47.3 | 6 |
Kinetic energy E₁ or energy absorption E calculation graph
Thrust energy at load m·g·s calculation graph
Equivalent mass graph
*The equivalent mass graph shows values at room temperature (20 to 25°C).
Part Number |
---|
RBQC3213SJ |
Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Stroke S (mm) | Mounting Screw Nominal M | Nominal Mounting Screw [M] | Max. Absorbed Energy (J) | Max. Collision Velocity (m/s) | Overall Length L (mm) | Max. Resisting Force Value (N) | Max. Operating Cycle (cycle/min) | Allowable Angular Misalignment (deg) | Option | With damper |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | 13 | M32 | 32 | 49 | 3 | 76 | 1,177 | 30 | 5 | Hex nut: 3 pcs. / Stopper nut: 1 pc. | With damper |
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Main Body, Related Components | Main Body | Structure | Fixed Type | Orifice Type | Multi Orifice Type |
---|---|---|---|---|---|
Operating Environment | Standard | Body Material | Rolled Steel | Min. Collision Velocity(m/s) | 0.05 |
Operating Temperature Range(°C) | -10 to 80 | Collision speed range(m/s) | 0.05 to 3 |
Please check the type/dimensions/specifications of the part RBQC3213SJ in the Shock Absorber, Short Type, RBQ Series series.
Part Number |
---|
RBQ1604J |
RBQ1604N |
RBQ1604S |
RBQ1604SN |
RBQ2007 |
RBQC3213SN |
Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Stroke S (mm) | Mounting Screw Nominal M | Nominal Mounting Screw [M] | Max. Absorbed Energy (J) | Max. Collision Velocity (m/s) | Overall Length L (mm) | Max. Resisting Force Value (N) | Max. Operating Cycle (cycle/min) | Allowable Angular Misalignment (deg) | Option | With damper |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | 4 | M16 | 16 | 1.96 | 3 | 31 | 294 | 60 | 5 | Hex nut: 3 pcs. | None | ||
- | 1 Piece(s) | Quote | 4 | M16 | 16 | 1.96 | 3 | 31 | 294 | 60 | 5 | None | None | ||
SGD 97.30 | 1 Piece(s) | 32 Day(s) | 4 | M16 | 16 | 1.96 | 3 | 31 | 294 | 60 | 5 | Hexagon nut: 2 pcs. / Stopper nut: 1 pc. | None | ||
- | 1 Piece(s) | Quote | 4 | M16 | 16 | 1.96 | 3 | 31 | 294 | 60 | 5 | Stopper nut: 1 pc. | None | ||
SGD 121.57 | 1 Piece(s) | 31 Day(s) | 7 | M20 | 20 | 11.8 | 3 | 44.5 | 490 | 60 | 5 | Hexagon nut: 2 pcs. | None | ||
- | 1 Piece(s) | Quote | 13 | M32 | 32 | 49 | 3 | 76 | 1,177 | 30 | 5 | Stopper nut: 1 pc. | With damper |
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