Shock Absorber, RB Series
Caution
- Please refer to the catalog for specification details.
- Product images are representative images. Please refer to the catalog for detailed shapes.
Product Description
Shock absorber by SMC.
[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.
· Automatically adjusts to the most appropriate energy absorption performance.
Shock Absorber RB Series Specifications
Shock Absorber RB Series (Basic Type) external appearance
Shock Absorber RB Series (With Cap) external appearance
| Specifications | Model | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Basic Type | RB0604 | RB0805 | RB0806 | RB1006 | RB1007 | RB1411 | RB1412 | RB2015 | RB2725 | |
| With Cap | - | RBC0805 | RBC0806 | RBC1006 | RBC1007 | RBC1411 | RBC1412 | RBC2015 | RBC2725 | |
| Max. Absorbed Energy (J)* | 0.5 | 0.98 | 2.94 | 3.92 | 5.88 | 14.7 | 19.6 | 58.8 | 147 | |
| Outer Diameter Thread Size | M6 × 0.75 | M8 × 1.0 | M10 × 1.0 | M14 × 1.5 | M20 × 1.5 | M27 × 1.5 | ||||
| Stroke (mm) | 4 | 5 | 6 | 6 | 7 | 11 | 12 | 15 | 25 | |
| Collision Speed (m/s) | 0.3 to 1.0 | 0.05 to 5.0 | ||||||||
| Max. Operating Frequency (cycle/min) | 80 | 80 | 80 | 70 | 70 | 45 | 45 | 25 | 10 | |
| Max. Allowable Thrust (N) | 150 | 245 | 245 | 422 | 422 | 814 | 814 | 1,961 | 2,942 | |
| Ambient Temperature Range (°C) | -10 to +80 (provided that it does not freeze) | |||||||||
| Spring Force (N) | Extended | 3.05 | 1.96 | 1.96 | 4.22 | 4.22 | 6.86 | 6.86 | 8.34 | 8.83 |
| Compressed | 5.59 | 3.83 | 4.22 | 6.18 | 6.86 | 15.30 | 15.98 | 20.50 | 20.01 | |
| Weight (g) | Basic Type | 5.5 | 15 | 15 | 23 | 23 | 65 | 65 | 150 | 350 |
| With Cap | - | 16 | 16 | 25 | 25 | 70 | 70 | 165 | 400 | |
*Max. absorbed energy, max. equivalent mass and max. operating frequency are the values at room temperature (20 to 25°C).
Structural Diagram / Component Parts
RB0604 structural diagram
| Number | Part Name | Material | Treatment |
|---|---|---|---|
| 1 | Outer tube | Free-cutting steel | Nitriding treatment |
| 2 | Piston | Copper alloy | - |
| 3 | Spring guide | Stainless steel | - |
| 4 | Piston rod | Carbon steel | Nitriding treatment |
| 5 | Stopper | Stainless steel | - |
| 6 | Bearing | Copper alloy | - |
| 7 | Return spring | Piano wire | Zinc trivalent chromate |
| 8 | Rod seal | NBR | - |
| 9 | Accumulator | NBR | Foam rubber |
| 10 | Steel ball | Bearing steel | - |
| 11 | Hex socket set screw | Special steel | Nickel plating |
| 12 | Hex nut | Carbon steel | Nickel plating |
RB□0805 to RB□2725 structural diagram
| Number | Part Name | Material | Treatment |
|---|---|---|---|
| 1 | Outer tube | Rolled steel | Gray coating |
| 2 | Inner tube | Special steel | Heat treated |
| 3 | Piston rod | Special steel | Electroless nickel plating |
| 4 | Piston | Special steel | Heat treated |
| 5 | Bearing | Special bearing steel | - |
| 6 | Spring guide | Carbon steel | Zinc chromate |
| 7 | Lock ring | Copper | - |
| 8 | Return spring | Piano wire | Zinc chromate |
| 9 | Seal holder | Copper alloy | - |
| 10 | Stopper | Carbon steel | Zinc chromate |
| 11 | Steel ball | Bearing steel | - |
| 12 | Set screw | Special steel | - |
| 13 | Accumulator | NBR | Foam rubber |
| 14 | Rod seal | NBR | - |
| 15 | Scraper | NBR | - |
| 16 | Gasket | NBR | - |
| 17 | Gasket | NBR | RB(C)2015/2725 only |
Dimensional Outline Drawing
(Units: mm)
RB0604 dimensional drawing
Hex nut (2 pcs. as standard) dimensional drawing
Basic Type: RB0805/RB0806/RB1006/RB1007 dimensional drawing
With cap: RBC0805/RBC0806/RBC1006/RBC1007 dimensional drawing
*Dimensions other than those listed below are the same as the Basic Type.
(Units: mm)
| Model | Basic Type Dimensions | *With Cap | Hex Nut Dimensions | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic Type | With Cap | D | E1 | E2 | F | H | a | L | LL | MM | S | E3 | LL | Z | B | C | h |
| RB0805 | RBC0805 | 2.8 | 6.8 | 6.6 | 2.4 | 5 | 1.4 | 33.4 | 45.8 | M8 × 1.0 | 40.8 | 6.8 | 54.3 | 8.5 | 12 | 13.9 | 4 |
| RB0806 | RBC0806 | 2.8 | 6.8 | 6.6 | 2.4 | 6 | 1.4 | 33.4 | 46.8 | M8 × 1.0 | 40.8 | 6.8 | 55.3 | 8.5 | 12 | 13.9 | 4 |
| RB1006 | RBC1006 | 3 | 8.8 | 8.6 | 2.7 | 6 | 1.4 | 39 | 52.7 | M10 × 1.0 | 46.7 | 8.7 | 62.7 | 10 | 14 | 16.2 | 4 |
| RB1007 | RBC1007 | 3 | 8.8 | 8.6 | 2.7 | 7 | 1.4 | 39 | 53.7 | M10 × 1.0 | 46.7 | 8.7 | 63.7 | 10 | 14 | 16.2 | 4 |
Basic Type: RB1411/RB1412/RB2015/RB2725 dimensional drawing
With cap: RBC1411/RBC1412/RBC2015/RBC2725 dimensional drawing
*Dimensions other than those listed below are the same as the Basic Type.
(Units: mm)
| Model | Basic Type Dimensions | *With Cap | Hex Nut Dimensions | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic Type | With Cap | D | E1 | E2 | F | H | K | L | LL | MM | S | E3 | LL | Z | B | C | h |
| RB1411 | RBC1411 | 5 | 12.2 | 12 | 3.5 | 11 | 12 | 58.8 | 78.3 | M14 × 1.5 | 67.3 | 12 | 91.8 | 13.5 | 19 | 21.9 | 6 |
| RB1412 | RBC1412 | 5 | 12.2 | 12 | 3.5 | 12 | 12 | 58.8 | 79.3 | M14 × 1.5 | 67.3 | 12 | 92.8 | 13.5 | 19 | 21.9 | 6 |
| RB2015 | RBC2015 | 6 | 18.2 | 18 | 4 | 15 | 18 | 62.2 | 88.2 | M20 × 1.5 | 73.2 | 18 | 105.2 | 17 | 27 | 31.2 | 6 |
| RB2725 | RBC2725 | 8 | 25.2 | 25 | 5 | 25 | 25 | 86 | 124 | M27 × 1.5 | 99 | 25 | 147 | 23 | 36 | 41.6 | 6 |
- *Please see catalog for information other than the above.
- *Image is of a representative model.