Le Airtac HFCY25 is a HFC series double-acting parallel open-close 3-jaw pneumatic finger. It adopts an internal wedge structure, suitable for parallel clamping of workpieces in automated equipment.
- Informations de base & Model Definition
| Article | Contenu |
| Modèle | HFCY25 |
| Série | HFC Series (Double-acting Parallel Open-close Pneumatic Finger) |
| Gripper Type | Type Y (3-mâchoire) |
| Bore Diameter | 25mm |
| Mode de fonctionnement | Double-acting (bidirectional) |
| Configuration standard | Magnets equipped for the whole series, easy for magnetic switch mounting |
| Port Size | M5×0.8 |
- Core Performance Parameters
| Paramètre | Valeur | Remarques |
| Opening & Closing Stroke | 6mm (both sides) | Parallel open-close type |
| Opening Clamping Force | 47N | At 0.5MPa, clamping point L=20mm |
| Closing Clamping Force | 42N | At 0.5MPa, clamping point L=20mm |
| Operating Pressure Range | 0.2~0.7MPa (2.0~7.0bar) | Recommended working pressure |
| Minimum Operating Pressure | 0.15MPa (1.5bar) | For basic operation |
| Température de fonctionnement | -20~70℃ | Avoid freezing and overheating |
| Repeat Accuracy | ±0.01mm | High-precision positioning |
| Max Operating Frequency | 120 c.p.m. | Cycles per minute |
| Applicable Medium | Compressed air (filtered by 40μm or finer filter) | Clean and dry air source |
| Lubrication Requirement | Non-lube design | Long-term operation without oil lubrication |
| Compatible Sensors | CMSH, DMSH, EMSH | Circular sensor mounting groove |
- Dimensions de montage (Unit: mm)
| Symbol | Valeur | Symbol | Valeur |
| UN | 41 | E | 5 |
| AB | 3 | EA | 8 |
| B | 42 | EB | 3 |
| C | 6 | EC | 4.5 |
| CA | 12 | J. | 34 |
| CB | 14 | JA | 8 |
| D | 6 | JB | 9 |
| DA | 2+0.02 | JC | 34 (P.C.D) |
| DB | 2+0.02 | K | 3+0.01 |
| Le | 3 | LE | 8 |
| Ko | 5 | LB | 34 |
| KC | 14.5 | N | 26+0.05 |
| KD | 17 | NA | 1.5 |
| P. | M4×0.7 | PA | 7.5 |
| PB | 14.5 | UA | 10 |
| UB | 7 | — | — |
- Méthodes de montage & Torque Specifications
- Rear End Mounting
Bolt Size: M4×0.7
Max Locking Torque: 2.1Nm
Max Bolt Insertion Depth: 8mm
Locating Hole: Φ26+0.05mm, Depth 1.5mm
- Front Through-hole Mounting
Bolt Size: M4×0.7
Max Locking Torque: 2.1Nm
- Gripper Accessory Mounting
Bolt Size: M3×0.5
Max Locking Torque: 0.59Nm
Installation Note: Fix the gripper with an open-end wrench before tightening screws with an hex wrench. Do not apply external force directly to the gripper body.
- Caractéristiques du produit
- Internal Wedge Structure: Delivers powerful clamping force with compact and stable structure.
- Anti-collision Pad Design: TPU buffer pad at piston front end effectively reduces metal collision noise during gripper release.
- High Positioning Accuracy: Dowel holes at the bottom ensure high mounting precision and consistent re-installation positioning.
- Multiple Mounting Options: Supports rear tapped hole mounting and front through-hole mounting for diverse application layouts.
- Premium Material Configuration: Aluminum alloy for body and piston, stainless steel for jaws and piston rod, NBR O-rings for sealing.
- Operation Precautions
- Low circuit pressure may cause clamping force attenuation and workpiece dropping. Anti-drop devices must be installed mandatorily.
- Avoid operation under excessive external force or impact to prevent internal component damage.
- Prevent dropping, collision and surface damage during installation and fixation.
- Clean pipeline debris before piping to avoid foreign matter entering the cylinder.
- Take anti-freezing measures in low-temperature environments to prevent moisture freezing inside the system.
- For long-term storage after disassembly, perform rust protection on surfaces, install dust plugs on air ports, and apply anti-rust oil on moving parts.
- Référence de sélection
Recommended safety factor: a=4. The clamping force shall be 10 à 20 times greater than the workpiece weight.
Clamping Force Formula: F > mg/(n×μ)×a
(n = number of jaws, μ = friction coefficient, m = workpiece mass, g=9.8m/s²)
If friction coefficient μ>0.2, follow the 10~20 times weight standard for clamping force selection.
Reserve a higher safety factor for high acceleration and heavy impact working conditions.
Airtac HFC Series Pneumatic Finger (Parallel Open-close Type) Model List
La série Airtac HFC fait référence à des doigts pneumatiques parallèles à double effet ouvert-fermé avec structure en coin interne. Les aimants sont préinstallés sur toute la série pour l'installation de capteurs magnétiques. Classé par quantité de mâchoire: 2-mâchoire (Je tape), 3-mâchoire (Type Y), 4-mâchoire (Type X), avec 7 tailles d'alésage: 16/20/25/32/40/50/63mm.
- Model Naming Rule
| Code | Définition |
| HFC | Basic code for double-acting parallel open-close pneumatic finger |
| je | 2-jaw type (HFCI Series) |
| Y | 3-jaw type (HFCY Series) |
| X | 4-jaw type (HFCX Series) |
| Number | Bore diameter (mm) |
Exemple: HFCY25 = 3-jaw parallel open-close pneumatic finger, bore 25mm
- Liste complète des modèles
- 2-Jaw Type (HFCI Series)
| Modèle | Bore(mm) | Single-side Stroke(mm) | Opening Clamping Force(N) | Closing Clamping Force(N) |
| HFCI16 | 16 | 4 | 23 | 21 |
| HFCI20 | 20 | 5 | 34 | 30 |
| HFCI25 | 25 | 6 | 47 | 42 |
| HFCI32 | 32 | 8 | 80 | 71 |
| HFCI40 | 40 | 10 | 125 | 111 |
| HFCI50 | 50 | 12 | 195 | 173 |
| HFCI63 | 63 | 15 | 309 | 275 |
- 3-Jaw Type (HFCY Series)
| Modèle | Bore(mm) | Single-side Stroke(mm) | Opening Clamping Force(N) | Closing Clamping Force(N) |
| HFCY16 | 16 | 4 | 23 | 21 |
| HFCY20 | 20 | 5 | 34 | 30 |
| HFCY25 | 25 | 6 | 47 | 42 |
| HFCY32 | 32 | 8 | 80 | 71 |
| HFCY40 | 40 | 10 | 125 | 111 |
| HFCY50 | 50 | 12 | 195 | 173 |
| HFCY63 | 63 | 15 | 309 | 275 |
- 4-Jaw Type (HFCX Series)
| Modèle | Bore(mm) | Single-side Stroke(mm) | Opening Clamping Force(N) | Closing Clamping Force(N) |
| HFCX16 | 16 | 4 | 23 | 21 |
| HFCX20 | 20 | 5 | 34 | 30 |
| HFCX25 | 25 | 6 | 47 | 42 |
| HFCX32 | 32 | 8 | 80 | 71 |
| HFCX40 | 40 | 10 | 125 | 111 |
| HFCX50 | 50 | 12 | 195 | 173 |
| HFCX63 | 63 | 15 | 309 | 275 |
- General Technical Parameters
| Paramètre | Spécification | Remarques |
| Mode de fonctionnement | Double-acting | Bidirectional air supply for opening & clôture |
| Pression de service | 0.2~0.7MPa | Min. pression: 0.15MPa |
| Température de fonctionnement | -20~70℃ | Anti-freezing & overheat protection |
| Repeat Accuracy | ±0.01mm | High precision positioning |
| Max Cycle Frequency | 120 c.p.m. | Cycles per minute |
| Port Size | M5×0.8 | Standard pneumatic port |
| Lubrification | Non-lube | Maintenance-free long service life |
| Sensor Type | CMSH / DMSH / EMSH | Circular groove installation |
| Buffer Structure | TPU front anti-collision pad | Noise reduction during release |
- Conseils de sélection
- Safety Factor: Set safety factor a=4; clamping force ≥ 10~20 times workpiece weight.
- Calculation Formula: F > mg/(n×μ)×a
- Working Condition Adaptation: Increase safety factor for high acceleration and impact loads.
- Mounting Flexibility: Rear tapped hole and front through-hole mounting for various automated equipment layouts.
Airtac HFC Series Pneumatic Finger Cross-Brand Model Comparison Table
The Airtac HFC series are double-acting parallel open/close pneumatic fingers (2-jaw Type I, 3-jaw Type Y, 4-jaw Type X). Below is the comparison of functional replacement models with mainstream brands (SMC, FESTO, CKD, Koganei, Chelic), covering all bore sizes (16/20/25/32/40/50/63mm).
- Overview of Core Correspondence
| Airtac Series | Structure Type | Main Replacement Brand Series | Remarques |
| HFCI (2-Jaw) | Parallel Open/Close 2-Jaw | SMC MHZ2, FESTO DHRS, CKD MCH2, Koganei PFG, Chelic HC | Internal wedge structure; pay attention to mounting dimension differences after replacement |
| HFCY (3-Jaw) | Parallel Open/Close 3-Jaw | SMC MHS3, FESTO DHRT, CKD MCH3, Koganei PFG3, Chelic HC3 | Clamping force and stroke are basically matched for interchangeable use |
| HFCX (4-Jaw) | Parallel Open/Close 4-Jaw | SMC MHS4, FESTO DHRS-4, CKD MCH4, Koganei PFG4, Chelic HC4 | Four jaws open and close synchronously, suitable for clamping circular workpieces |
- Detailed Model Comparison Table (By Jaw Type)
2-Jaw Type (HFCI Series)
| Airtac Model | SMC | FESTO | CKD | KOGANEI | CHELIC |
| HFCI16 | MHZ2-16D | DHRS-16-A | MCH2-16D | PFG-16 | HC-16S |
| HFCI20 | MHZ2-20D | DHRS-20-A | MCH2-20D | PFG-20 | HC-20S |
| HFCI25 | MHZ2-25D | DHRS-25-A | MCH2-25D | PFG-25 | HC-25S |
| HFCI32 | MHZ2-32D | DHRS-32-A | MCH2-32D | PFG-32 | HC-32S |
| HFCI40 | MHZ2-40D | DHRS-40-A | MCH2-40D | PFG-40 | HC-40S |
| HFCI50 | MHZ2-50D | DHRS-50-A | MCH2-50D | PFG-50 | HC-50S |
| HFCI63 | MHZ2-63D | DHRS-63-A | MCH2-63D | PFG-63 | HC-63S |
3-Jaw Type (HFCY Series)
| Airtac Model | SMC | FESTO | CKD | KOGANEI | CHELIC |
| HFCY16 | MHS3-16D | DHRT-16-A | MCH3-16D | PFG3-16 | HC3-16S |
| HFCY20 | MHS3-20D | DHRT-20-A | MCH3-20D | PFG3-20 | HC3-20S |
| HFCY25 | MHS3-25D | DHRT-25-A | MCH3-25D | PFG3-25 | HC3-25S |
| HFCY32 | MHS3-32D | DHRT-32-A | MCH3-32D | PFG3-32 | HC3-32S |
| HFCY40 | MHS3-40D | DHRT-40-A | MCH3-40D | PFG3-40 | HC3-40S |
| HFCY50 | MHS3-50D | DHRT-50-A | MCH3-50D | PFG3-50 | HC3-50S |
| HFCY63 | MHS3-63D | DHRT-63-A | MCH3-63D | PFG3-63 | HC3-63S |
4-Jaw Type (HFCX Series)
| Airtac Model | SMC | FESTO | CKD | KOGANEI | CHELIC |
| HFCX16 | MHS4-16D | DHRS-16-A-4 | MCH4-16D | PFG4-16 | HC4-16S |
| HFCX20 | MHS4-20D | DHRS-20-A-4 | MCH4-20D | PFG4-20 | HC4-20S |
| HFCX25 | MHS4-25D | DHRS-25-A-4 | MCH4-25D | PFG4-25 | HC4-25S |
| HFCX32 | MHS4-32D | DHRS-32-A-4 | MCH4-32D | PFG4-32 | HC4-32S |
| HFCX40 | MHS4-40D | DHRS-40-A-4 | MCH4-40D | PFG4-40 | HC4-40S |
| HFCX50 | MHS4-50D | DHRS-50-A-4 | MCH4-50D | PFG4-50 | HC4-50S |
| HFCX63 | MHS4-63D | DHRS-63-A-4 | MCH4-63D | PFG4-63 | HC4-63S |
- Key Notes for Replacement & Sélection
3.1 Structural Difference Comparison
| Article de comparaison | Airtac HFC Series | SMC MHZ2 / MHS Series | FESTO DHRS / DHRT Series |
| Structure de base | Internal wedge mechanism | Rack & pinion + linear guide | Rack & pinion + guide mechanism |
| Clamping Force Feature | Opening force > Closing force (environ. 1.1 fois) | Closing force > Opening force (environ. 1.2 fois) | Closing force > Opening force (environ. 1.2 fois) |
| Repeat Accuracy | ±0.01mm | ±0.01mm | ±0.02mm |
| Méthode de montage | Rear tapped holes + front through holes | Three-sided mounting (côté / bas / front) | Three-sided mounting (côté / bas / front) |
| Configuration standard | Built-in magnet | With magnet (suffix -D) | Optional magnet (special order required) |
3.2 Sélection & Replacement Guidelines
- Function Matching: The HFC series are double-acting type. Lors du remplacement, select the double-acting models of corresponding brands (par ex., SMC suffix `-D`, FESTO suffix `-A`).
- Mounting Compatibility:
Mounting hole positions, dimensions and bolt specifications may vary; please check the mounting dimension drawing before replacement.
Airtac HFC rear positioning hole: Φ26⁺⁰·⁰⁵ mm, depth 1.5mm, different from some competitor brands.
- Performance Parameter Verification:
| Article de comparaison | Airtac HFC Series | SMC MHZ2 / MHS Series | FESTO DHRS / DHRT Series |
| Structure de base | Internal wedge mechanism | Rack & pinion + linear guide | Rack & pinion + guide mechanism |
| Clamping Force Feature | Opening force > Closing force (environ. 1.1 fois) | Closing force > Opening force (environ. 1.2 fois) | Closing force > Opening force (environ. 1.2 fois) |
| Repeat Accuracy | ±0.01mm | ±0.01mm | ±0.02mm |
| Méthode de montage | Rear tapped holes + front through holes | Three-sided mounting (côté / bas / front) | Three-sided mounting (côté / bas / front) |
| Configuration standard | Built-in magnet | With magnet (suffix -D) | Optional magnet (special order required) |
- Special Working Condition Adaptation:
High-speed & high-cycle operation: Prioritize SMC (maximum 180 c.p.m.) or FESTO (maximum 150 c.p.m.); Airtac: 120 c.p.m.
High-precision positioning: All brands meet ±0.01~±0.02mm for interchangeable use.
Corrosion-resistant environment: Select stainless steel jaw models (par ex., Airtac HFCQ series, SMC -M9B series).
- Procurement Suggestions for Replacement Models
- Remplacement direct: For non-high-precision mounting and moderate performance requirements, direct replacement according to the table is available, reducing overall cost by 30%~50%.
- Fully Compatible Replacement:
Pour 100% dimensional matching, use the same brand series or custom mounting brackets.
If sensor interfaces differ, replace with brand-specific magnetic switches (par ex., SMC D-M9 series, FESTO SME series).
- Cost Optimization Solution:
Bulk procurement: Marques nationales (Airtac, Chelic) offer higher cost performance to replace imported products.
Small-batch trial: Purchase 1~2 replacement units for mounting and performance testing before mass adoption.
Airtac HFC series and mainstream brand parallel open/close pneumatic fingers share consistent core functions and are mutually replaceable. Prioritize verifying four key parameters: mounting dimensions, clamping force, stroke and port specifications to guarantee system compatibility and stability. It is recommended to refer to the official technical manuals of corresponding brands for accurate specifications before replacement。
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