The SMC MHF2-16D1 is a low-profile, double-acting pneumatic air gripper developed for compact automation systems that require stable gripping performance, precise finger motion, and efficient use of installation space. It belongs to SMC’s MHF2 Series, a product family designed around a space-saving body structure with parallel finger movement and linear guide support. In the official SMC web catalog, the model is identified as part of the MHF2 Series Air Gripper, Parallel Style, Linear Guide Type, Compact Type.
For users building pick-and-place units, handling fixtures, transfer mechanisms, or compact assembly stations, the MHF2-16D1 is a practical choice because it balances gripping force, footprint, and repeatability. SMC’s catalog and operation manual show that this model uses a 16 mm bore, middle stroke configuration, double-acting operation, and a 32 mm opening/closing stroke on both sides. The official weight for the MHF2-16D1 is 445 g, excluding auto switch weight.
Key Specifications
| Item | Specification |
|---|---|
| Brand | SMC |
| Model | MHF2-16D1 |
| Product Type | Low profile air gripper |
| Series | MHF2 Series |
| Operating Style | Double acting |
| Bore Size | 16 mm |
| Stroke Type | Middle stroke |
| Opening / Closing Stroke | 32 mm both sides |
| Effective Gripping Force per Finger | 90 N |
| Operating Pressure | 0.1 to 0.7 MPa |
| Fluid | Air |
| Ambient / Fluid Temperature | -10 to 60°C, no freezing |
| Repeatability | ±0.05 mm |
| Maximum Operating Frequency | 120 c.p.m. for middle stroke |
| Lubrication | Not required |
| Net Weight | 445 g |
| Weight Condition | Excluding auto switch weight |
These values come directly from SMC’s official MHF2 series catalog and operation manual. The specification tables show that the 16 mm bore versions have an effective gripping force per finger of 90 N, and the D1 middle-stroke version has a 32 mm opening/closing stroke and 445 g weight. The manual also states that the weight figure excludes the auto switch.
Product Overview
The SMC MHF2-16D1 is engineered for machine builders who need a gripper that is compact without being weak. In many automation projects, the problem is not only whether a gripper can hold a part, but whether it can fit into a crowded mechanism without introducing unnecessary height, overhang, or bending load. The MHF2 series addresses that issue with a low-profile design, and SMC states that the structure is intended to save space and reduce bending moments compared with bulkier alternatives.
That mechanical layout matters in real equipment. A lower profile generally improves packaging density, reduces interference with nearby tooling, and can help maintain better rigidity in fast transfer systems. For indexing tables, robotic end effectors, compact assembly slides, and handling units installed inside enclosures, those advantages are often more important than just having a high nominal force number. The MHF2-16D1 is therefore well suited to users who care about space efficiency, repeatable motion, and stable finger guidance as much as raw gripping strength.
Why the MHF2-16D1 Is a Useful Mid-Range Option
Within the MHF2 family, the 16 mm bore version sits in a practical middle position. It is stronger than the smaller 8 mm and 12 mm models, but it is still much more compact than larger 20 mm, 25 mm, or 32 mm units. According to SMC’s specification table, the MHF2-16D1 provides 90 N effective gripping force per finger at the stated reference condition, which gives it enough capacity for a wide range of medium-duty handling tasks.
The D1 suffix is also important. In this series, the three common stroke variants are short, middle, and long stroke. For the 16 mm bore models, SMC lists those as 16 mm, 32 mm, and 64 mm opening/closing stroke respectively. The MHF2-16D1 is the middle-stroke version, which is often the most balanced option. It offers more jaw travel than the short-stroke type, while avoiding the larger body movement and potential cycle penalties associated with the long-stroke version.
That balance makes the MHF2-16D1 especially suitable when the workpiece range is moderate and the design needs some flexibility without oversizing the actuator. It is a practical selection for gripper fingers that need enough travel to clear the part during approach and release, but not so much travel that cycle optimization becomes difficult.
Weight and Mechanical Integration
For many industrial users, weight is not a trivial parameter. It directly affects moving-axis load, robot payload calculations, mounting bracket sizing, and cycle response. SMC’s official documentation lists the MHF2-16D1 weight as 445 g, excluding the auto switch. This is the number that should be used first in mechanical estimation when no switch is installed, while additional allowance should be added if optional accessories are fitted.
A 445 g gripper in this performance class is a useful figure because it remains manageable for compact pneumatic slides, small Cartesian axes, and many end-of-arm applications. It also helps maintain a better inertia profile than larger grippers that may provide unnecessary stroke or force. In practice, this supports faster acceleration, lower structural stress, and easier overall machine balancing.
Technical Performance Summary
| Performance Aspect | Practical Meaning |
|---|---|
| Low profile body | Easier installation in narrow or height-limited machine spaces |
| 16 mm bore | Mid-range gripping capacity for general automation tasks |
| 32 mm middle stroke | Good balance between travel range and cycle efficiency |
| 90 N per finger | Suitable for secure gripping of medium-size components |
| 445 g weight | Favorable for moving assemblies and compact end effectors |
| ±0.05 mm repeatability | Supports stable, repeatable part handling |
| 0.1 to 0.7 MPa operating pressure | Compatible with standard industrial pneumatic systems |
| No lubrication required | Simplifies maintenance planning |
The repeatability specification is particularly relevant when the gripper is used in systems that require consistent placement or repeated cycling. SMC states a ±0.05 mm repeatability value under the specified condition, while also noting that offset loads on the finger can increase variation due to rack-and-pinion backlash. That means the gripper is well suited to precision-oriented handling, but finger design and load position still matter.
Typical Applications
The MHF2-16D1 is suitable for a broad range of factory automation uses, especially where compactness and guided finger motion are required.
| Application | Typical Use Case |
|---|---|
| Pick and place | Gripping and transferring machined or molded parts |
| Assembly equipment | Holding components during insertion or positioning |
| Packaging machinery | Repetitive product handling in compact modules |
| Transfer units | Part movement between stations on automated lines |
| Fixture loading | Loading or unloading components into jigs and nests |
| End-of-arm tooling | Pneumatic gripping on small robotic or gantry systems |
Because the product is double-acting and designed for air operation, it fits standard industrial pneumatic control architecture. SMC’s manuals specify air as the fluid, 0.1 to 0.7 MPa operating pressure for the 16 mm bore group, and an ambient/fluid temperature range of -10 to 60°C without freezing. Lubrication is listed as not required, which is useful for maintenance reduction and for cleaner, simpler pneumatic system design.
Selection Considerations
When selecting the MHF2-16D1, the main engineering checks should be:
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Actual workpiece mass and gripping point distance
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Finger design and offset load
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Required stroke
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Cycle rate
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Available air pressure
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Mounting space
SMC’s catalog explicitly recommends selecting a gripping force at least 10 to 20 times the workpiece weight, depending on conditions, and adding further safety margin where high acceleration or impact exists. That is an important point: nominal gripper force alone should not be treated as the final selection basis. Real gripping security depends on finger length, friction, workpiece geometry, and dynamic loads.
So the MHF2-16D1 is a sound choice when the user needs more travel than a short-stroke model and more compact packaging than a larger gripper. It is not automatically the best option for every part, but it is a very solid general-purpose specification inside the MHF2 family.
Conclusion
The SMC MHF2-16D1 is a compact, low-profile pneumatic air gripper designed for precise and space-efficient industrial handling. Official SMC data identifies it as a double-acting MHF2 series gripper with a 16 mm bore, 32 mm middle stroke, 90 N effective gripping force per finger, 0.1 to 0.7 MPa operating pressure, and 445 g product weight excluding the auto switch.
For OEM equipment, automation fixtures, transfer devices, and compact end-of-arm applications, this model is commercially attractive because it offers a good compromise between size, grip capability, stroke length, and mechanical integration. In plain terms: it is a practical mid-size gripper for users who need stable guided gripping without wasting installation space.
