A food manufacturer spent $85,000 on a collaborative robot system, installed a $1,200 two-finger pneumatic gripper, and ran production for three months before discovering the gripper was contaminating product from hydraulic fluid mist. The $800 fix — switching to an electric servo gripper — should have been the first conversation. End-of-arm tooling (EOAT) is the component that actually touches your product, yet it receives a fraction of the engineering attention given to the robot arm itself.
This guide covers every major gripper category, gives you specific price ranges, and helps you match the right gripper to your application before you spend a dollar on hardware.
Why Gripper Selection Matters More Than Robot Selection
The gripper is the most application-specific component in your robot system. A poorly matched gripper can:
- Reduce cycle time by 30–60% compared to an optimized gripper
- Cause product damage that eliminates ROI
- Require safety guarding that defeats the purpose of a collaborative robot
- Fail in environmental conditions (food-safe, cleanroom, high-temperature) that the robot arm handles fine
Budget guidance: allocate 8–20% of total robot system cost to end-of-arm tooling. For a $70,000 robot cell, that means $5,600–$14,000 for the gripper subsystem. Underspending here is one of the top causes of automation project failure.
Gripper Type 1: Pneumatic Grippers
How they work: Compressed air actuates fingers open and closed. The most common gripper type in industrial automation.
Price range: $500–$3,000 for standard models; $3,000–$8,000 for specialized (high-force, multi-finger)
Key specifications:
- Gripping force: 20–5,000 N depending on model and air pressure
- Speed: Fastest actuation (50–200 ms cycle)
- Grip states: Open/closed only (no position control)
- Air requirement: 4–8 bar supply pressure
Leading brands:
| Brand | Model | Payload | Price |
|---|---|---|---|
| SCHUNK | MPG-plus 40 | 5 kg | $800–$1,200 |
| SMC | MHZ2-20D | 3 kg | $400–$700 |
| Festo | DHPS-25-A | 4 kg | $600–$1,000 |
| PHD | GRW series | 10 kg | $1,200–$2,500 |
| Zimmer Group | GP series | 15 kg | $1,500–$3,500 |
Pros:
- Lowest cost per unit
- Fastest actuation speed
- High grip forces available
- Proven reliability in industrial environments
- Simple to maintain
Cons:
- Requires compressed air infrastructure ($5,000–$20,000 if not already present)
- Binary open/closed — no position or force control
- Not food-safe without special versions
- Mist from pneumatic systems can contaminate products
- Cannot compensate for part position variation
Best applications: High-speed packaging, machine tending, stamping/press tending, assembly of rigid parts with consistent positioning.
Not suitable for: Collaborative robot applications (force limitation difficult), delicate products, food contact, cleanroom environments.
Gripper Type 2: Electric Servo Grippers
How they work: Electric motor drives finger movement, enabling precise position and force control. Programmable for different grip states, speeds, and forces.
Price range: $2,000–$15,000
Key specifications:
- Force control: Programmable from 5 N to 200 N+ (model dependent)
- Position control: ±0.03–0.1mm repeatability on position
- Speed: Moderate (100–400 ms cycle)
- Communication: Digital I/O, RS-485, EtherCAT, DeviceNet
Leading brands:
| Brand | Model | Payload | Price | Best for |
|---|---|---|---|---|
| Robotiq | 2F-85 | 5 kg | $4,200 | UR cobots, general purpose |
| Robotiq | Hand-E | 5 kg | $4,800 | Narrow spaces, assembly |
| OnRobot | RG2 | 2 kg | $3,900 | UR, collaborative apps |
| OnRobot | RG6 | 6 kg | $4,500 | General purpose |
| SCHUNK | EGL series | 15 kg | $6,000–$12,000 | Industrial precision |
| FIPA | EGK series | 8 kg | $5,000–$8,000 | Electronics assembly |
Pros:
- Full position and force control
- No pneumatics required
- Safe for collaborative robot applications
- Can detect part presence, size, and grip quality
- Programmable for multiple grip configurations
Cons:
- Higher cost than pneumatic
- Slower than pneumatic
- Lower maximum grip force than pneumatic
- Requires robot controller integration for advanced features
Best applications: Collaborative robot cells, quality inspection integration, assembly of varied part sizes, applications requiring grip confirmation, machine learning-guided picking.
Gripper Type 3: Vacuum Grippers
How they work: Suction cups create negative pressure to lift parts. Ideal for flat, non-porous surfaces.
Price range: $1,000–$8,000 for complete vacuum systems (pump + cups + manifold)
Key specifications:
- Lifting capacity: 0.1 kg to 50+ kg (scales with cup area and vacuum level)
- Cup materials: Nitrile (general), Silicone (food/temp), Polyurethane (rough surfaces)
- Cup types: Flat, bellows (uneven surfaces), oval (narrow objects)
Leading brands:
| Brand | System | Max Payload | Price Range |
|---|---|---|---|
| Piab | piGRIP | 20 kg | $2,500–$6,000 |
| Festo | VASB series | 15 kg | $2,000–$5,000 |
| SMC | ZP series | 10 kg | $1,500–$4,000 |
| Schmalz | FMP series | 50 kg | $3,000–$8,000 |
| OnRobot | VGC10 | 15 kg | $3,200 |
Pros:
- Handles fragile items without mechanical gripping
- Large payload capacity with large cup arrays
- Very fast actuation (vacuum on/off)
- Inexpensive cups replaceable easily
- Handles wide variety of flat surfaces
Cons:
- Requires non-porous surface (wood, cardboard can be problematic without special foam cups)
- Cannot handle wet, oily, or very dusty surfaces without special cups
- Vacuum generator can be noisy
- Not suitable for high-temperature parts (>80°C standard, >150°C with silicone)
- Cup replacement adds to operating cost
Best applications: Box and carton handling, sheet metal, glass, electronics PCBs, food packaging (sealed packages), tile and stone handling.
Gripper Type 4: Magnetic Grippers
How they work: Permanent magnets or electromagnets attract ferrous metal parts.
Price range: $500–$5,000
Types:
- Permanent magnet: Always on, de-energize to release — fail-safe grip, needs mechanical release
- Electromagnet: Electrically switched on/off — flexible but loses grip on power failure
- Electropermanent magnet (EPM): Best of both — electronic control with permanent magnet strength and fail-safe behavior
Leading products:
| Brand | Type | Holding Force | Price |
|---|---|---|---|
| Goudsmit | Permanent series | 100–2,000 N | $600–$2,500 |
| OnRobot | MG10 EPM | 100 kg | $4,200 |
| Schmalz | EMV series | 200–800 N | $800–$3,500 |
| Magswitch | EOAT series | 50–500 N | $500–$2,000 |
Pros:
- Zero contact marks on metal surfaces
- Can handle perforated, stamped, or irregular metal parts
- Very high holding force relative to gripper size
- Works with oily, dirty, or hot metal parts
Cons:
- Ferrous metals only
- Risk of attracting adjacent parts or metal debris
- Not suitable for thin sheet metal (magnets can attract multiple layers)
- Temperature limits on permanent magnets (above 80°C, magnetic strength degrades)
Best applications: Metal stamping/press tending, sheet metal handling, automotive body panels, steel coil handling.
Gripper Type 5: Soft Grippers
How they work: Flexible, compliant fingers (silicone, rubber, or inflatable) conform to irregular part geometry. Based on soft robotics principles.
Price range: $3,000–$20,000
Leading brands:
| Brand | Product | Payload | Notes | Price |
|---|---|---|---|---|
| Soft Robotics (acquired by UR) | mGrip M | 5 kg | Food-safe, irregular items | $6,000–$10,000 |
| Festo | Bionic Soft Hand | 3 kg | Research-oriented | $8,000–$15,000 |
| Empire Robotics | VERSABALL | 1.5 kg | Granule-based jamming | $5,000–$8,000 |
| SoftGripping | SG series | 8 kg | Food processing | $4,000–$12,000 |
| Shadow Robot | Dexterous Hand | 2 kg | High-DOF research | $15,000–$25,000 |
Pros:
- Handles fragile, irregular, and variable-size objects
- Inherently safe in human contact
- Food-safe versions widely available
- Can grip items too delicate for rigid grippers (baked goods, ripe fruit, glass)
Cons:
- Lower speed than rigid grippers
- Lower maximum force/payload
- Higher cost for limited performance
- Shorter lifespan than rigid grippers (silicone degrades over cycles)
- Limited integration with standard robot peripherals
Best applications: Food handling (fresh produce, baked goods, meat), cosmetics packaging, irregular products, applications where damaging the product is unacceptable.
Gripper Type 6: Collaborative/Multi-Function Grippers
Designed specifically for cobots, these combine electric actuation with force/torque sensing and seamless integration with UR, FANUC CRX, ABB GoFa, and other collaborative robot platforms.
Price range: $4,000–$12,000
Top products:
| Brand | Product | Payload | Key Feature | Price |
|---|---|---|---|---|
| Robotiq | 2F-85 | 5 kg | UR plug-and-play, force sensing | $4,200 |
| Robotiq | 2F-140 | 5 kg | Wide stroke (140mm) | $4,200 |
| OnRobot | RG2-FT | 2 kg | Force/torque sensing built-in | $5,500 |
| OnRobot | Gecko | 2.5 kg | No pneumatics, gecko adhesion | $4,800 |
| Schunk | Co-act EGP | 6 kg | ISO/TS 15066 certified | $6,000–$8,000 |
| ATI | Axia80 | varies | High-precision F/T sensor | $7,000–$12,000 |
Compatibility Matrix: Gripper × Robot Brand
| Gripper Brand | UR Compatible | FANUC CRX | ABB GoFa | Techman | Notes |
|---|---|---|---|---|---|
| Robotiq 2F-85 | Native URCap | Adapter | Adapter | Native | Best UR integration |
| OnRobot RG2 | Native | Adapter | Native | Adapter | ABB certified |
| SCHUNK EGP | Adapter | Adapter | Adapter | Adapter | Universal, manual setup |
| Festo EHPS | Adapter | Adapter | Adapter | Adapter | Industrial grade |
| ATI F/T | All | All | All | All | Sensor only, needs gripper |
| Soft Robotics | UR native | Custom | Custom | Custom | UR partnership |
"Native" means plug-and-play with robot-specific software plugin. "Adapter" means physical mounting works but requires manual configuration.
Selection Decision Tree
- Is your part ferrous metal? → Consider magnetic gripper first
- Is your part flat, smooth, and non-porous? → Vacuum gripper likely best value
- Is your part fragile or irregular? → Soft gripper
- Do you need force feedback or collaborative safety? → Electric servo gripper
- Is speed (>200 picks/min) and cost primary? → Pneumatic gripper
- Multiple part types or sizes? → Electric servo (adaptive) or tool changer with multiple grippers
Tool Changers: The Flexible Alternative
When no single gripper handles all your parts, a robotic tool changer lets the robot swap grippers automatically. Cost: $3,000–$12,000 for the changer mechanism + cost of each gripper set.
Leading tool changer brands: ATI Industrial Automation, Schunk SWS, OnRobot Quick Changer. The Quick Changer (OnRobot, $2,800) is popular for collaborative robot applications — swap in under 1 second without tools.
For collaborative robots, a tool changer enabling 2–3 gripper types can effectively make one robot do the job of three specialized cells.
For industrial robots in high-speed applications, tool changers add cycle time — usually avoided unless absolutely necessary.
Operating Cost Comparison
| Gripper Type | Unit Cost | Annual Maintenance | Annual Consumables | 3-Year Total |
|---|---|---|---|---|
| Pneumatic | $1,500 | $200 | $300 (seals, cups) | $3,000 |
| Electric Servo | $4,500 | $300 | $150 (brushes) | $5,550 |
| Vacuum | $3,000 | $150 | $600 (cups) | $5,250 |
| Magnetic (EPM) | $4,500 | $100 | $50 | $4,950 |
| Soft Gripper | $8,000 | $500 | $1,500 (fingers) | $12,500 |
| Collaborative | $5,000 | $300 | $200 | $6,500 |
Pneumatic wins on TCO when compressed air is already available. Soft grippers carry the highest operating cost due to finger replacement.
Frequently Asked Questions
Q: What is the most common robot gripper type?
Pneumatic two-finger parallel grippers account for approximately 55–60% of installed industrial grippers globally. Electric servo grippers are the fastest-growing segment, driven by cobot adoption.
Q: Do I need a different gripper for different robot brands?
Physically, most grippers use ISO 9409-1 standard mounting flanges (50mm or 100mm), compatible with virtually all robots. Software integration varies — Robotiq and OnRobot offer brand-specific plugins (URCaps for UR, ABB wizard for GoFa), while SCHUNK and Festo typically require manual I/O configuration.
Q: How do I determine required grip force?
Calculate: Grip force = (Part weight × Safety factor 2–4) / Coefficient of friction. For a 1 kg part with rubber pads (μ = 0.6): Grip force = (1 × 9.81 × 3) / 0.6 = 49 N minimum. Select a gripper rated for at least 50–60 N at your available pneumatic pressure or servo setting.
Q: Are there gripper options for very small parts (under 10g)?
Yes. For micro-assembly, specialized options include: vacuum tweezers (down to 1mm diameter), Bernoulli grippers (non-contact, for delicate electronics), electrostatic grippers (for flat nano-parts), and precision servo grippers with ±0.005mm repeatability from companies like Smac and Festo.
Q: What certifications should I look for in food-grade grippers?
Look for: FDA-compliant materials (food-contact safe), IP67 or higher water/wash resistance, no pneumatic lubricants (oil-free operation), EHEDG certification (European hygienic engineering standard), and NSF/ANSI 51 certification. Piab, Schmalz, and Soft Robotics have strong food-grade product lines.
