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- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Shock Absorbers, Preset(Fixed) Damping, Two-Stage Absoption Type
- Volume Discount
- Shock Absorbers, Two-Stage Absoption Typefrom MISUMI
- Simple structure and easy installation.
- Miniaturized design and strong space adaptability.
- Absorb energy smoothly and softly.
- Extend mechanical life, The service life of Shock Absorbers from MISUMI is up to 800,000 times.
- Max. Collision Velocity(m/s): 5 m/s
- Operating Environment Temperature: -5 to 70℃
- The products of M08 to M14 are equipped with two anti-loosening washers, and the mounting hole effectively prevents loosening without tapping.
Part Number
Configured Part Number is shown.
Economy Shock Absorbers
- Shock absorbers feature a unique two-stage absorption system that provides smooth and controlled energy dissipation.
- With a miniaturized design, MISUMI's shock absorbers can be easily integrated into various equipment without compromising space. This flexibility makes them suitable for a wide range of applications.
- Built to withstand a high number of cycles.
- By absorbing impact energy, MISUMI's shock absorbers significantly reduce noise levels, creating a quieter working environment.
- Capable of handling high maximum collision velocities.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Depending on different collision velocities, there are high speed (H), medium speed (M),and low speed (L). There are single hole overflow type and multiple hole overflow type according to the change in the overflow area.
The advantages of using Fixed Type:
1. Improve production efficiency: equipment can be operated at high frequency and high speed to improve production efficiency because the Fixed Type can stop the impact object smoothly.
2. Extend mechanical life: the buffer can absorb the energy generated by the impact, greatly reduce the impact and vibration caused by the object to the machine, and avoid damage due to impact vibration.
3. Improve product quality: the buffer eliminates the shock caused by impact objects and the damaging impact, allowing the smooth operation of the machine and equipment, and improving the product quality.
4. Significantly reduce noise, and provide a quiet working environment.
5. Improve the safety of mechanical running.
·Simple structure, strong stability
·Soft cushioning effect throughout the entire stroke
■ The products Fixed Type are divided into
| Collision Velocity Type | Maximum Collision Velocity | Operating environment temperature | Reference number of replacements |
| Two-stage | ～5.0m/s | -5~70℃ | 800,000 cycles |
■Product material
| Mounting Screw Nominal (M) |  Material |  Surface Treatment | |
| M8～M12 | Body | 12L14 | Black oxide |
| M14～M27 | STKM11A | ||
| M8 | Cap | Nylon | |
| M10～M27 | Urethane | ||
Stopper Nut
It can be used with both cap and capless type of Shock Absorbers. Setting buffer improves the service life of the Absorber.
| Specification | Mounting Screw Nominal | S | H | L | Shock Absorber Type | |||
| M | mm | mm | mm | Fixed | Two-stage | Adjusting | Heavy Load Absorption | |
| Stopper Nut | M8×1.0 | 11 | 12.6 | 14 | ○ | ○ | None | None |
| M10×1.0 | 12.7 | 14.5 | 16 | ○ | ○ | None | None | |
| M12×1.0 | 14 | 16 | 20 | ○ | ○ | ○ | None | |
| M14×1.5 | 19 | 21.6 | 27 | ○ | ○ | ○ | None | |
| M16×1.5 | 19 | 21.6 | 27 | None | None | ○ | None | |
| M20×1.5 | 26 | 29.7 | 35 | ○ | ○ | ○ | None | |
| M25×1.5 | 32 | 36.7 | 45 | ○ | ○ | ○ | None | |
| M25×1.5 | 32 | 36.7 | 65 | ○ | None | ○ | None | |
| M27×1.5 | 32 | 36.7 | 45 | None | ○ | ○ | None | |
| M36×1.5 | 46 | 53 | 80 | ○ | None | ○ | None | |
| M42×1.5 | 50 | 57.7 | 100 | None | None | None | ○ | |
| Part Number |  Cap |  Stopper Nut | Mounting Screw Nominal (M) | Stroke (S) | Max. Energy Absorbed (E') | Max. Equivalent Mass (me') (kg) | Max.Collision Velocity (M/S) | Total Length (L) | L1 | L2 | T | t | d | d1 | B (Both Surface Width) | |||
 Type |  No. | Per Cycle (J) | Per Minute (J) | Cap provided | Cap not provided | |||||||||||||
| C－AC | 0806S | None (Not provided) N (Provided | None (Not provided) SC (Provided) | M8×1.0 | 6.0 | 3.0 | 116.0 | 6.0 | 2.5 | 52.0 | 46.0 | 34.5 | 5.5 | 4.0 | 6.0 | 6.0 | 2.9 | 11.0 |
| 1007S | M10×1.0 | 7.0 | 6.0 | 206.0 | 12.0 | 3.5 | 63.0 | 54.5 | 42.5 | 5.0 | 4.0 | 8.5 | 8.5 | 3.0 | 12.9 | |||
| 1210S | M12×1.0 | 10.0 | 12.0 | 341.0 | 25.0 | 5.0 | 71.5 | 62.5 | 46.5 | 6.0 | 4.0 | 9.0 | 10.5 | 3.0 | 14.0 | |||
| 1412S | M14×1.5 | 12.0 | 20.0 | 550.0 | 40.0 | 5.0 | 91.5 | 79.5 | 62.5 | 5.0 | 5.0 | 12.0 | 11.8 | 4.0 | 19.0 | |||
| 2015S | M20×1.5 | 15.0 | 59.0 | 635.0 | 120.0 | 5.0 | 103.8 | 88.0 | 66.0 | 7.0 | 8.0 | 15.8 | 18.0 | 6.0 | 26.0 | |||
| 2525S | M25×1.5 | 25.0 | 105.0 | 950.0 | 220.0 | 5.0 | 141.5 | 123.0 | 90.0 | 8.0 | 10.0 | 18.5 | 22.0 | 8.0 | 32.0 | |||
| 2725S | M27×1.5 | 25.1 | 147.0 | 1200.0 | 270.0 | 5.0 | 141.5 | 123.0 | 90.0 | 8.0 | 10.0 | 18.5 | 22.0 | 8.0 | 32.0 | |||
M4 to M14 shock absorbers are equipped with 2 anti-loosening washer.2. Fixed Type miniaturized design and strong space adaptability.
3. Fixed Type absorb energy smoothly and softly.
4. Fixed Type, Abundant stock and fast delivery.
5. Fixed Type has long life with 800,000 times being used for reference.
6. The products Fixed Type of M08 to M14 are equipped with two anti-loosening washers, and the mounting hole effectively prevents loosening without tapping.
| Coarse Outer Diameter (mm) | M4ⅹ0.5 | M6ⅹ0.75 | M8ⅹ1.0 | M10ⅹ1.0 | M12ⅹ1.0 | M14ⅹ1.5 | M20ⅹ1.5 | M25ⅹ1.5 | M36ⅹ1.5 | M42ⅹ1.5 |
| Tightening torque of nut (N.m) | 0.35 | 0.85 | 3.9 | 7.8 | 7.8 | 9.8 | 29.4 | 49 | 98 | 392 |
2. Fixed Type, Pay attention to check whether the head circlip is off.
■ Overloaded buffer will cause abnormal increase in the internal pressure of the buffer tube, making the head circlip off, and internal parts may pop up and cause injury.
■ When the buffer with the head circlip is working, please keep your face and other parts away from it.
3. Fixed Type, Please pay attention to the splash of the broken buffer head due to impact.
■ Overload use will cause damage to the head, resulting in injury.
■ It is recommended to install an anti-splashing cover.
4. Fixed Type, Please pay attention to lateral misalignment load and lateral misalignment angle.
■ When the lateral misalignment load exceeds ±2.5 degrees, it will cause piston rod bending, bad reset, and internal lateral misalignment friction, resulting in performance degradation and even product breakage.
Please aim at the center line of the buffer piston rod for impact. (If the lateral misalignment angle is greater than ±2.5 degrees, please use the angular misalignment absorber (the range of lateral misalignment:± within 10 degrees)
5. Fixed Type, Operating Temperature Range
■ Please use the buffer within the specified temperature range.
▪ Use outside the specified range will reduce the life of the seal packing and the pressure accumulating sponge, and cause the buffer to break.
6. Fixed Type, Operating Environment Requirements
■ Please do not use it under medium or high pressure in a vacuum environment.
■ Keep the guide shaft clean, and avoid cutting powder, cutting fluid, water, etc. from being attached to the guide shaft, otherwise it will cause seal damage, oil leakage, poor buffer action, and buffer damage.
※ If you need to use it in the cutting fluid environment, please choose Misumi’s cutting fluid resistant buffer series products. See Misumi's official website.
8. Fixed Type, To prevent the buffer from increasing lateral load, the distance between the installation position of the buffer and the fulcrum should be equal to or greater than 6 times of the buffer stroke.
And when the side load and the buffer center line form an angle of 5°, the absorbed energy is the maximum.
Drawings of Examples of Use are for informational purposes onlyPart Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Stroke (mm) | Nominal Mounting Screw [M] | Max. Absorbed Energy (J) | Body Material | Max. Collision Velocity (m/s) | Overall Length (mm) | Equivalent Mass (kgf) | Max. Absorbed Energy (per Minute) (J/min) | Cap | Mating Accessories 1 - Stopper Nut |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 19.76 | 1 Piece(s) | Available | Same day | 6 | 8 | 3 | [Steel] 12L14 | 2.5 | 52 | 6 | 116 | Provided | Not Provided | |
SGD 19.76 | 1 Piece(s) | Available | Same day | 6 | 8 | 3 | [Steel] 12L14 | 2.5 | 46 | 6 | 116 | Not Provided | Not Provided | |
SGD 25.40 | 1 Piece(s) | Available | 5 Day(s) | 6 | 8 | 3 | - | - | - | - | - | Not Provided | Provided | |
SGD 25.40 | 1 Piece(s) | Available | 5 Day(s) | 6 | 8 | 3 | - | - | - | - | - | Provided | Provided | |
SGD 19.82 | 1 Piece(s) | Available | Same day | 7 | 10 | 6 | [Steel] 12L14 | 3.5 | 63 | 12 | 206 | Provided | Not Provided | |
SGD 19.82 | 1 Piece(s) | Available | Same day | 7 | 10 | 6 | [Steel] 12L14 | 3.5 | 54.5 | 12 | 206 | Not Provided | Not Provided | |
SGD 25.50 | 1 Piece(s) | Available | 5 Day(s) | 7 | 10 | 6 | - | - | - | - | - | Not Provided | Provided | |
SGD 25.50 | 1 Piece(s) | Available | 5 Day(s) | 7 | 10 | 6 | - | - | - | - | - | Provided | Provided | |
SGD 19.82 | 1 Piece(s) | Available | Same day | 10 | 12 | 12 | [Steel] 12L14 | 5 | 71.5 | 25 | 341 | Provided | Not Provided | |
SGD 19.82 | 1 Piece(s) | Available | Same day | 10 | 12 | 12 | [Steel] 12L14 | 5 | 62.5 | 25 | 341 | Not Provided | Not Provided | |
SGD 26.30 | 1 Piece(s) | Available | 5 Day(s) | 10 | 12 | 12 | - | - | - | - | - | Not Provided | Provided | |
SGD 26.30 | 1 Piece(s) | Available | 5 Day(s) | 10 | 12 | 12 | - | - | - | - | - | Provided | Provided | |
SGD 23.12 | 1 Piece(s) | Available | Same day | 12 | 14 | 20 | [Steel] STKM12C | 5 | 91.5 | 40 | 550 | Provided | Not Provided | |
SGD 23.12 | 1 Piece(s) | Available | Same day | 12 | 14 | 20 | [Steel] STKM12C | 5 | 79.5 | 40 | 550 | Not Provided | Not Provided | |
SGD 30.70 | 1 Piece(s) | Available | 5 Day(s) | 12 | 14 | 20 | - | - | - | - | - | Not Provided | Provided | |
SGD 30.70 | 1 Piece(s) | Available | 5 Day(s) | 12 | 14 | 20 | - | - | - | - | - | Provided | Provided | |
SGD 36.60 | 1 Piece(s) | Available | Same day | 15 | 20 | 59 | [Steel] STKM12C | 5 | 103.8 | 120 | 635 | Provided | Not Provided | |
SGD 36.60 | 1 Piece(s) | Available | Same day | 15 | 20 | 59 | [Steel] STKM12C | 5 | 88 | 120 | 635 | Not Provided | Not Provided | |
SGD 48.10 | 1 Piece(s) | Available | 5 Day(s) | 15 | 20 | 59 | - | - | - | - | - | Not Provided | Provided | |
SGD 48.10 | 1 Piece(s) | Available | 5 Day(s) | 15 | 20 | 59 | - | - | - | - | - | Provided | Provided | |
SGD 39.36 | 1 Piece(s) | Available | Same day | 25 | 25 | 105 | [Steel] STKM12C | 5 | 141.5 | 220 | 950 | Provided | Not Provided | |
SGD 39.34 | 1 Piece(s) | Available | Same day | 25 | 25 | 105 | [Steel] STKM12C | 5 | 123 | 220 | 950 | Not Provided | Not Provided | |
SGD 54.40 | 1 Piece(s) | Available | 5 Day(s) | 25 | 25 | 105 | - | - | - | - | - | Not Provided | Provided | |
SGD 54.40 | 1 Piece(s) | Available | 5 Day(s) | 25 | 25 | 105 | - | - | - | - | - | Provided | Provided | |
SGD 40.44 | 1 Piece(s) | Available | Same day | 25 | 27 | 147 | [Steel] STKM12C | 5 | 141.5 | 270 | 1200 | Provided | Not Provided | |
SGD 40.42 | 1 Piece(s) | Available | Same day | 25 | 27 | 147 | [Steel] STKM12C | 5 | 123 | 270 | 1200 | Not Provided | Not Provided | |
SGD 57.30 | 1 Piece(s) | Available | 5 Day(s) | 25 | 27 | 147 | - | - | - | - | - | Not Provided | Provided | |
SGD 57.30 | 1 Piece(s) | Available | 5 Day(s) | 25 | 27 | 147 | - | - | - | - | - | Provided | Provided |
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Basic Information
| Main Body, Related Components | Main Body | Structure | Fixed Type | Orifice Type | Multi Orifice |
|---|---|---|---|---|---|
| Operating Environment | Standard | Operating Temperature Range(°C) | -5::70 |
Specification/Dimensions
-
Stroke(mm)
-
Nominal Mounting Screw [M]
-
Max. Absorbed Energy(J)
-
Body Material
- Steel
- Steel
-
Max. Collision Velocity(m/s)
-
Overall Length(mm)
-
Equivalent Mass(kgf)
-
Max. Absorbed Energy (per Minute)(J/min)
-
Cap
- Not Provided
- Provided
-
Mating Accessories 1 - Stopper Nut
- Not Provided
- Provided
-
type
- C-AC□□□□S
- C-AC□□□□S-N
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- Same day
- 5 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What kind of thread does model C-AC0806H match?
- Answer: Buffer model C-AC0806H, product with M8 thread and 6 mm stroke, where the thread type is M8X1.0, please note that the product is fine thread.
- Question: Is the model C-AC0806L a product with a lid, is the lid connected with thread?
- Answer: Buffer model C-AC0806L, the lid is press-fit type, not of thread connection, and cannot be disassembled by yourself.
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