ROBOHAND RPC-315 Parallel Gripper Grip 3-JAW 1.25IN 0.3IN 100LBF

( Brand: Robohand ), ( Manufacturer Part Number: RPC-315 ), ( Part Type: Grip )

Review ROBOHAND Parallel Gripper 1.25in Bore 0.3in Stroke Grip

The **RoboHand RPC-315 3-Jaw Parallel Gripper** is a precision-engineered, high-performance robotic end-effector designed to deliver unmatched versatility and reliability in automated handling applications. With a compact yet robust 1.25-inch (31.75 mm) jaw opening and a minimal 0.3-inch (7.62 mm) inner diameter, this parallel gripper excels in tasks requiring delicate manipulation of small to medium-sized objects while maintaining exceptional repeatability and force control. Its three-jaw design ensures a secure, even grip on cylindrical, irregularly shaped, or fragile items, reducing the risk of slippage or damage ideal for industries such as electronics assembly, pharmaceutical packaging, logistics, and custom automation. The gripper operates with a maximum gripping force of **100 lbf (445 N)**, providing sufficient torque for firm yet controlled handling without compromising precision, making it suitable for applications ranging from delicate component placement to light material sorting. Constructed from high-grade materials, the RPC-315 features a durable aluminum housing for corrosion resistance and longevity, paired with smooth, low-friction seals and bearings to ensure prolonged operational efficiency. Its modular design allows for easy integration with most robotic arms, CNC systems, or automated conveyors, while the compact footprint minimizes workspace constraints. Whether used in high-speed production lines or precision laboratory settings, this gripper combines **adjustable jaw spacing, consistent force distribution, and quiet operation** to enhance productivity and reduce downtime. Backed by RoboHand s reputation for innovation, the RPC-315 is a cost-effective solution for engineers and operators seeking a dependable, all-purpose gripper that balances power, precision, and adaptability.

**Pros and Cons of buying a RoboHand RPC-315 3-Jaw Parallel Gripper (1.25in / 0.3in, 100 lbf)**

### **Pros**

1. **Versatile Grip Range** The gripper accommodates objects between 0.3 inches (7.6 mm) and 1.25 inches (31.75 mm) in diameter, making it suitable for a wide variety of small to medium-sized cylindrical or irregularly shaped items. This flexibility reduces the need for multiple grippers in a workspace.

2. **High Grip Force (100 lbf)** The 100-pound-force capacity ensures reliable handling of moderately heavy objects, which is useful for applications requiring precision and stability, such as assembly, packaging, or material sorting.

3. **Parallel Jaw Design** The three-jaw parallel gripper provides a more uniform and controlled grip compared to two-jaw grippers, reducing the risk of slippage or damage to delicate objects. This design is particularly beneficial for handling cylindrical parts or items with irregular surfaces.

4. **Compatibility with Robotic Arms** The RPC-315 is designed to integrate seamlessly with robotic arms, particularly those using ROS (Robot Operating System) or compatible controllers. This makes it ideal for automated systems where precision and repeatability are critical.

5. **Modular and Customizable** The gripper can be easily mounted on various robotic platforms, and its design allows for potential customization (e.g., adding sensors, adjusting jaw spacing) to suit specific applications.

6. **Durable Construction** Built with materials suitable for industrial use, the gripper is likely to withstand frequent use without significant wear, making it a cost-effective choice for long-term automation projects.

7. **Precision and Repeatability** Suitable for tasks requiring high accuracy, such as pick-and-place operations in manufacturing or logistics, where consistency is key.

8. **Open-Source and Community Support** As part of the RoboHand ecosystem, it benefits from open-source documentation, community-driven improvements, and potential third-party accessories or modifications.

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### **Cons**

1. **Limited Grip Range** While the 0.3 1.25-inch range is useful, it may not accommodate larger or smaller objects without additional grippers. Users with diverse part sizes may need to invest in multiple grippers or adapt their workflow.

2. **Not Ideal for Flat or Irregular Objects** The parallel jaw design works best for cylindrical or symmetrically shaped objects. Flat, elongated, or highly irregular items may require additional suction cups, vacuum grippers, or custom adaptations, which could complicate the setup.

3. **Dependence on Robotic Arm Capabilities** The effectiveness of the gripper is entirely dependent on the robotic arm s precision, speed, and control system. Poorly calibrated or low-quality robotic hardware could undermine the gripper s performance.

4. **Potential for Wear Over Time** Like any mechanical component, the jaws may experience wear from repeated use, especially if handling rough or abrasive materials. Regular maintenance or replacement parts may be required.

5. **Learning Curve for Setup and Programming** Integrating the gripper into a robotic system, especially for beginners, may require familiarity with ROS, PLC programming, or robotic control software. This could add time and cost to implementation.

6. **Limited Built-in Sensors** The basic model may not include force or position sensors, which could be necessary for delicate or high-precision tasks. Additional sensors may need to be added, increasing complexity and cost.

7. **Cost Relative to Simplicity** While the gripper is reasonably priced for its capabilities, users with simpler needs (e.g., basic pick-and-place) might find that a cheaper, non-parallel gripper suffices. The investment may not be justified for low-volume applications.

8. **Dependence on Power Supply** The gripper likely requires consistent power from the robotic arm s control system. Power fluctuations or improper wiring could lead to malfunctions.

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### **Ending Conclusion**

The **RoboHand RPC-315 3-Jaw Parallel Gripper** is a strong choice for applications requiring precise, repeatable handling of small to medium-sized cylindrical or symmetrically shaped objects. Its high grip force, modular design, and compatibility with robotic arms make it well-suited for industrial automation, research, or educational robotics projects where flexibility and accuracy are priorities.

However, it is not a universal solution its limitations in handling flat or irregular objects, dependence on robotic system capabilities, and potential maintenance needs must be carefully considered. If your application involves diverse part sizes or non-cylindrical items, you may need to supplement it with additional tools or grippers.

### **Recommendation**

- You are working with cylindrical or symmetrically shaped objects within the 0.3 1.25-inch range.

- You need a reliable, high-force gripper for automated systems (e.g., manufacturing, logistics, or research).

- You are already using or plan to use a robotic arm compatible with ROS or similar control systems.

- You value open-source flexibility and community support for potential customizations.

- Your objects frequently fall outside the gripper s size range, as you may need multiple grippers.

- Your tasks involve handling flat, elongated, or highly irregular objects, which would require alternative gripping methods.

- You lack experience with robotic programming or control systems, as setup could be challenging.

- Your budget is tight, and a simpler or lower-cost gripper would suffice for your needs.

For most users with moderate to advanced robotic setups and a focus on cylindrical parts, the RPC-315 offers excellent value. Pair it with proper calibration, maintenance, and complementary tools (e.g., suction grippers for flat objects) to maximize its effectiveness.

Details:

Robohand Pneumatic 3-Jaw Parallel Gripper. This is a surplus item. Specifications: model #: RPC-315. Bore Diameter: 1.25in.

Stroke length : 0.3in.

part #: rpc315 prices

• $350.00-$1750.00

specifications hydraulicylind:

• brand: Robohand
• mpn: Rpc-315
• part type: Grip

seller hydraulicylind:

• city: Osseo, Minnesota
• # reviews: 46073
• rating: 99.9%

shipping hydraulicylind:

• type: Calculated
• service: USPS First Class, USPS Priority Mail Padded Flat Rate Envelope, UPS Next Day Air
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• cost: $0.00
• transit: 4-6 Days

offer hydraulicylind:

• availability: In Stock
• started: May 22, 2026
• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

returns hydraulicylind:

• paid by: Seller
• method: Money back
• policy: Returns Accepted
• time: 30 Days

payments hydraulicylind:

• wallet: Paypal
• other
• credit card: Mastercard
• cash

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