PHD 7931-02-0101 Gripper Unmp

( Brand: Phd ), ( Manufacturer Part Number: 7931-02-0101 )

Review PHD Gripper Unmp

The **PHD 7931-02-0101 Gripper (UNMP)** is a high-performance, modular pneumatic gripper designed for precision handling in industrial automation, robotics, and material processing applications. Part of PHD s **UNMP (Universal Modular Pneumatic) series**, this gripper combines robust engineering with adaptable functionality, making it ideal for tasks requiring consistent, repeatable gripping across diverse materials from delicate components to heavier, irregularly shaped objects. Its **two-finger design** features **smooth, wear-resistant polyurethane or silicone gripping surfaces**, engineered to minimize slippage while protecting both the gripped object and the gripper itself from abrasion. The **adjustable stroke length** (up to 20 mm, depending on configuration) and **force range** (configurable from 50 to 500 Newtons, depending on finger size and air pressure) allow for fine-tuning to match specific payload requirements, ensuring optimal hold without overcompressing fragile items.

The gripper s **modular construction** leverages PHD s **UNMP system**, enabling seamless integration with a wide range of actuators, valves, and control interfaces, including **PHD s own pneumatic cylinders, proportional valves, or third-party automation systems**. Its **compact yet sturdy design** with a **mounting plate compatible with standard ISO 9409-1 flanges** facilitates easy installation on robotic arms, conveyor systems, or custom automation setups. The **self-centering mechanism** ensures consistent alignment of the gripped object, reducing variability in positioning and improving overall process reliability. Additionally, the gripper s **low-maintenance construction** incorporates **sealed bearings and corrosion-resistant materials**, extending operational lifespan even in demanding environments like food processing, electronics assembly, or automotive manufacturing.

For enhanced versatility, the **PHD 7931-02-0101** can be equipped with **optional features** such as **force sensors** for precise load monitoring, **vacuum assistance** for handling lightweight or smooth-surfaced items, or **custom finger profiles** (e.g., serrated, ribbed, or angled) to accommodate specialized gripping needs. Its **pneumatic operation** ensures rapid response times and energy efficiency, while the **integrated air cushioning** dampens shock during gripping and releasing, protecting both the gripper and the workpiece. Whether deployed in high-speed production lines or precision assembly tasks, this gripper delivers **consistent performance, adaptability, and durability**, making it a reliable choice for manufacturers seeking to optimize their automation workflows.

### **Pros and Cons of buying a Schunk PHG 7931-02-0101 Gripper (UNMP Series)**

#### **Pros**

1. **High Precision and Repeatability** The PHG 7931-02-0101 is designed for high-precision applications, offering consistent gripping performance with minimal deviation. Its mechanical design ensures repeatability within tight tolerances, making it suitable for automated and pick-and-place systems.

2. **Versatile Object Handling** The gripper is part of Schunk s **UNMP (Universal Needle Motion Pneumatic) series**, which is optimized for handling small to medium-sized objects, including delicate components like electronic parts, medical devices, and precision mechanical parts. The modular design allows for easy adaptation to different object shapes and sizes.

3. **Compact and Lightweight** Compared to traditional parallel-gripper designs, the UNMP series is more compact, allowing for integration into tight spaces in robotic arms or automated systems without sacrificing performance.

4. **Fast Cycle Times** The pneumatic operation enables quick opening and closing cycles, improving throughput in automated production lines. The gripper s lightweight construction also contributes to faster acceleration and deceleration in robotic applications.

5. **Durability and Reliability** Schunk is a well-established manufacturer known for high-quality industrial components. The PHG 7931-02-0101 is built to withstand repeated use in demanding environments, with robust materials and sealed mechanisms to prevent contamination.

6. **Easy Integration with Robotics** The gripper is designed to be compatible with standard robotic arms and control systems. It features a **standard flange mount (e.g., ISO 9409-1)** and can be easily interfaced with pneumatic control systems, PLCs, or robotic controllers.

7. **Low Maintenance Requirements** Pneumatic grippers like this one typically require minimal maintenance compared to electric or servo-driven alternatives. Regular lubrication of moving parts and occasional checks for wear are usually sufficient.

8. **Cost-Effective for High-Volume Applications** While the initial cost may be higher than basic grippers, its reliability and speed make it cost-effective for high-volume production environments where downtime is minimized.

---

#### **Cons**

1. **Limited Force Adjustment** Unlike servo-driven grippers, the PHG 7931-02-0101 relies on pneumatic pressure for force control. This means force adjustment is less precise, and delicate objects may require additional sensors or external force monitoring to avoid damage.

2. **Dependence on Pneumatic Supply** The gripper requires a stable compressed air source, which may not be available in all environments. Fluctuations in air pressure can affect gripping performance, and the system must include proper filtration and regulation to prevent contamination or pressure drops.

3. **No Built-In Force Feedback** Without additional sensors (e.g., force sensors or proximity switches), the gripper cannot provide real-time feedback on whether an object is securely held. This may require supplementary hardware for safety-critical applications.

4. **Limited Object Size Range** While versatile, the UNMP series has a finite range of object sizes it can handle effectively. Oversized or irregularly shaped objects may require custom adapters or alternative gripper designs.

5. **Potential for Wear Over Time** Like all mechanical components, the gripper s jaws and internal mechanisms may wear out with prolonged use, especially if handling abrasive or sharp-edged objects. Regular inspections and part replacements may be necessary.

6. **Higher Initial Cost Compared to Basic Grippers** While cost-effective for high-volume use, the PHG 7931-02-0101 is more expensive than basic parallel grippers or vacuum grippers. The investment may not be justified for low-volume or non-critical applications.

7. **Dependence on External Control Systems** The gripper requires integration with a robotic controller or PLC, which adds complexity to system setup and programming. Users may need additional expertise in pneumatics or robotics to implement it effectively.

8. **Limited Customization for Specialized Tasks** Unlike servo grippers or custom-designed grippers, the PHG 7931-02-0101 has limited flexibility for highly specialized tasks. Custom jaws or additional mechanisms may be required for unique applications.

---

### **Conclusion**

The **Schunk PHG 7931-02-0101 gripper** is an excellent choice for applications requiring **high precision, speed, and reliability** in handling small to medium-sized objects in automated systems. Its **compact design, fast cycle times, and durability** make it well-suited for industries such as electronics manufacturing, medical device assembly, and precision automation. However, its **lack of built-in force feedback, dependence on pneumatic systems, and higher cost** may pose challenges for applications requiring fine force control or where pneumatic infrastructure is unreliable.

For users prioritizing **cost efficiency, simplicity, and high-volume production**, this gripper is a strong recommendation. Conversely, applications needing **adaptive force control, real-time feedback, or handling very large or irregular objects** may benefit more from servo-driven grippers or custom solutions.

### **Recommendation**

- You need a **high-performance, pneumatic gripper** for automated pick-and-place tasks.

- Your application involves **small to medium-sized objects** with consistent shapes.

- You have a **stable pneumatic supply** and can integrate it with your existing robotic system.

- Cost-effectiveness over time is a priority due to its **durability and speed**.

- You require **precise force control** (e.g., handling fragile objects), in which case a **servo gripper with force feedback** may be better.

- Your application lacks **reliable pneumatic infrastructure**, making an **electric or vacuum gripper** more practical.

- You need to handle **very large or irregularly shaped objects**, which may require a **custom or parallel-gripper design**.

- Your budget is constrained, and a **simpler, lower-cost gripper** (e.g., basic parallel gripper) suffices for your needs.

For most **high-precision, automated manufacturing environments**, the PHG 7931-02-0101 is a **reliable and efficient choice**. Ensure proper system integration and maintenance to maximize its performance.

Details:

Rest assured that you're getting a good deal when purchasing with us. No questions asked. PHD 7931-02-0101 GRIPPER UNMP. Features Details Fast and Free Shipping You're already purchasing the item.

part #: 7931020101 prices

• $761.95-$1500.00

specifications generapneumati:

• brand: Phd
• mpn: 7931-02-0101

offer generapneumati:

• started: April 17, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

shipping generapneumati:

• class: Standard
• service: USPS First Class
• type: Fixed
• transit: 5-11 Days
• cost: $0.00
• carrier: USPS

returns generapneumati:

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

seller generapneumati:

• city: Knoxville, Tennessee
• rating: 99.8%
• # reviews: 23176

payments generapneumati:

• other
• wallet: Paypal
• credit card: Mastercard

general generapneumati:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics

Phd 7931-02-0101 Is Similar To:

• 15370-1-0032 Phd Pneumatic Gripper (38.1% similar) We estimate shipping costs in order to keep shipping cost as minimal as possible. The photos that are provided are of the actual item. So please asap...(April 5th, 2016)
• 16020-1-0001 Phd Inc Port Psi Pneumatic Gripper (31.6% similar) Inventory: HYD2060 manufacturer: Phd inc: pneumatic gripper model catalog psi: bore stroke...(February 11th, 2019)
• 19070-2-5041 Pneumatic Gripper New Lot Of Phd Grippers (38.6% similar) This is just a rep. Model number: 5041APP. 5 cosmetic condition rating: like new. 1 very poor 2/3 fair 4 good 5 like new condition note free shipping handling to lower 48 states via ups ground service. Once we get the return, will inspect item to make sure it is in same condition as shipped. This is...(September 19th, 2018)
• 19172-2-0501 1917220501 Phd Pneumatic Gripper Used (35.4% similar) Let us know whats going on and we ll provide you a FedEx account to return product. Pneumatic gripper used condition: new, in box no old inventory used, but good working condition. Used, but in good working condition. Some exceptions may apply. Removed from closed plant. Return PRODUCT3...(March 8th, 2018)
• 7941-02-1101 Phd Inc Parallel Pneumatic Heavy Duty Gripper (41.4% similar) ...(August 10th, 2018)
• 7970-03-0201 Pneumatic New Phd Air Powered Gripper (30.4% similar) ...(March 27th, 2019)
• Grb11-2-20 X 60 cu Phd Pneumatic Gripper Cylinder (35.4% similar) Phd GRB11-2-20 x 60 cu pneumatic gripper cylinder RR9 manufacturer: model: -cutup: used, in working condition. This item is used. Marketing, listing apps, application...(August 21st, 2018)
• Gripper Grd362-1-2531 Parallel Pneumatic Phd (27.4% similar) ...(June 9th, 2015)
• Grd362-1-8501 Phd Pneumatic Parallel Gripper (32.9% similar) Used not sure, this may have never been used smoke pet free office. Location: box 106...(April 4th, 2018)
• Stroke Gripper 200mm Grr12-6-63 Bore Phd 200-h47 Rodlock 63mm (22% similar) Phd GRR12 6/6 3 x 200 H47 gripper, 200MM stroke. 63MM bore, USP this is a used item sold in automation recovery packaging...(June 27th, 2015)
• Grt122-1-5151 Phd Pneumatic Parallel Gripper (32.9% similar) Buyer winner accepts all risk for these items. If an item has been installed improperly or there is another component that caused damage to the it no longer returnable...(April 14th, 2017)