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Product Detail
Body Material
Max. Collision Velocity
Overall Length
Equivalent Mass
Max. Absorbed Energy (per Minute)
type
Stroke
Nominal Mounting Screw [M]
Max. Absorbed Energy
Cap
Mating Accessories 1 - Stopper Nut
CAD
Days to Ship
Specification/Dimensions
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Body Material
- Steel
- Steel
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Max. Collision Velocity(m/s)
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Overall Length(mm)
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Equivalent Mass(kgf)
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Max. Absorbed Energy (per Minute)(J/min)
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type
- C-AC□□□□S
- C-AC□□□□S-N
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Stroke(mm)
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Nominal Mounting Screw [M]
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Max. Absorbed Energy(J)
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Cap
- Not Provided
- Provided
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Mating Accessories 1 - Stopper Nut
- Not Provided
- Provided
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CAD
- 2D
- 3D
Days to Ship
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- All
- Same day
- 8 Day(s) or Less
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Shock Absorbers, Preset(Fixed) Damping, Two-Stage Absoption Type (C-AC2525S-SC)
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MiSUMi Economy
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Product DetailProduct Description
- 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.
Economy Shock Absorbers
Two-Stage AbsorptionCompact DesignNoise Reduction
- 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
Product Overview
Fixed Type Simple structure, commonly used in the mechanism to absorb impact energy. The product is not adjustable. Different buffering characteristics can be obtained by changing the size of the internaloverflow hole, the number and position of the overflow hole.
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.
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.
Dimensional Drawing
Specification Overview
■Product features
·Simple structure, strong stability
·Soft cushioning effect throughout the entire stroke
■ The products Fixed Type are divided into
■Product material
Stopper Nut
It can be used with both cap and capless type of Shock Absorbers. Setting buffer improves the service life of the Absorber.
※ The stopper nut must be ordered together with the shock absorber, and cannot be ordered separately.
·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 | ○ | |
Specification Table
| 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.Product Features
1. Fixed Type Simple structure and easy installation.
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.
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.
Precautions
1. Fixed Type, Do not exceed the specified locking torque value during installation as shown in the following table for details:
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.
| 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.
7. Fixed Type, The buffering oil inside the buffer will cause pollution to the environment, and can not be handled at will. Please follow the pollutant treatment method for treatment.
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.
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.
Example of Use
Drawings of Examples of Use are for informational purposes onlyPart Number
- Incomplete part number.
Please use left hand selections to complete a part number.
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| Part Number |
|---|
| C-AC2525S-SC |
| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to Ship | RoHS | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
₹ 3,509.00 | 1 Piece(s) | Available | 8 Day(s) | 10 | 25 | 25 | 105 | - | - | - | - | - | 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 |
Please check the type/dimensions/specifications of the part C-AC2525S-SC in the Shock Absorbers, Preset(Fixed) Damping, Two-Stage Absoption Type series.
- 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.
Product variants
| Part Number |
|---|
| C-AC0806S-SC |
| C-AC1007S |
| C-AC1007S-N |
| C-AC2725S |
| C-AC2725S-N |
| C-AC2725S-N-SC |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
₹ 1,353.00 | 1 Piece(s) | Available | 8 Day(s) | 10 | 6 | 8 | 3 | - | - | - | - | - | Provided | Provided | |
₹ 1,794.00 | 1 Piece(s) | Available |
Same day
Stock | 10 | 7 | 10 | 6 | [Steel] 12L14 | 3.5 | 63 | 12 | 206 | Provided | Not Provided | |
₹ 1,794.00 | 1 Piece(s) | Available |
Same day
Stock | 10 | 7 | 10 | 6 | [Steel] 12L14 | 3.5 | 54.5 | 12 | 206 | Not Provided | Not Provided | |
₹ 3,005.00 | 1 Piece(s) | Available |
Same day
Stock | 10 | 25 | 27 | 147 | [Steel] STKM12C | 5 | 141.5 | 270 | 1200 | Provided | Not Provided | |
₹ 3,005.00 | 1 Piece(s) | Available |
Same day
Stock | 10 | 25 | 27 | 147 | [Steel] STKM12C | 5 | 123 | 270 | 1200 | Not Provided | Not Provided | |
₹ 3,674.00 | 1 Piece(s) | Available | 8 Day(s) | 10 | 25 | 27 | 147 | - | - | - | - | - | Not Provided | Provided |
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