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  3. GRAYHILL 70-OAC24A

GRAYHILL 70-OAC24A Module Unmp

70-oac24a Grayhill Module Lot Of 2 Unmp

( Brand: Grayhill ), ( Manufacturer Part Number: 70-OAC24A ), ( Part Type: Module )

Review GRAYHILL Module Lot Of Unmp

The **Grayhill 70-OAC24A** is a high-performance, modular optical encoder module designed for precision motion control applications where compact form factor, reliability, and seamless integration are critical. This encoder module operates within Grayhill s **Opto-Axis** series, delivering exceptional accuracy and repeatability through advanced optical encoding technology. The **70-OAC24A** features a **24-bit absolute position resolution**, enabling it to provide highly precise feedback with minimal error margins, making it ideal for demanding industrial, robotics, or automation systems where fractional increments of motion must be tracked with confidence. Its **modular design** allows for easy installation and replacement, reducing downtime and simplifying maintenance in dynamic environments. The module incorporates a **high-precision optical grating** paired with a robust readhead, ensuring durability even in harsh conditions where dust, vibration, or temperature fluctuations could compromise performance. The **absolute encoding** capability eliminates the need for homing routines, as the module retains its position data even after power loss, making it a reliable choice for continuous operation in manufacturing, CNC machining, or automated assembly lines. Additionally, the **compact and lightweight** construction of the 70-OAC24A allows for integration into tight spaces without sacrificing performance, while its **sealed housing** protects internal components from contaminants, extending the module s operational lifespan. Whether deployed in linear or rotary applications, this encoder module delivers consistent, high-resolution feedback, making it a versatile solution for engineers seeking precision without complexity.

### **Grayhill 70-OAC24A Module (UNMP) Pros and Cons**

#### **Pros:**

1. **High Performance and Reliability** The 70-OAC24A is a high-quality, industrial-grade linear actuator designed for demanding applications. It features a robust construction with a sealed, corrosion-resistant housing, making it suitable for harsh environments.

2. **Precision and Smooth Operation** This module uses a precision-ground lead screw mechanism, ensuring smooth, accurate linear motion with minimal backlash. It is ideal for applications requiring precise positioning, such as automation, medical equipment, or laboratory instruments.

3. **Compact and Space-Efficient Design** The compact size of the 70-OAC24A allows for installation in tight spaces where larger actuators would not fit. This makes it versatile for applications with limited real estate.

4. **High Load Capacity** With a maximum load rating of **24 lbs (10.9 kg)**, this actuator can handle moderate to heavy loads, making it suitable for industrial automation, material handling, and other demanding tasks.

5. **Adjustable Stroke Length** The stroke length can be customized (up to 24 inches in standard configurations), allowing for flexibility in different application requirements.

6. **Low Maintenance** The sealed design minimizes dust, moisture, and debris ingress, reducing the need for frequent lubrication or maintenance. This contributes to longer operational life.

7. **Compatibility with Control Systems** The actuator can be integrated with various control systems, including PLCs, CNC machines, and motor drivers, making it adaptable to different automation setups.

8. **Durability in Harsh Environments** The housing is typically made from aluminum or stainless steel, providing resistance to corrosion, temperature fluctuations, and mechanical stress.

9. **Quiet Operation** Compared to some pneumatic or hydraulic actuators, this electric linear actuator operates quietly, reducing noise in sensitive environments.

10. **Versatile Mounting Options** It can be mounted in multiple orientations (vertical, horizontal, or angled), offering flexibility in system design.

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#### **Cons:**

1. **Higher Initial Cost** Compared to some basic pneumatic or hydraulic actuators, the 70-OAC24A is more expensive upfront, which may be a barrier for budget-conscious projects.

2. **Limited Stroke Length in Standard Configurations** While adjustable, the maximum stroke length (24 inches) may be insufficient for applications requiring longer travel distances. Custom extensions would increase cost and complexity.

3. **Power Requirements** The actuator requires an electrical power source, which may not be available in all environments. Additionally, it consumes more power than some pneumatic alternatives, potentially increasing operational costs.

4. **Sensitivity to Overloading** Exceeding the specified load capacity can lead to premature wear, reduced lifespan, or failure. Proper sizing and load management are essential.

5. **Potential for Wear Over Time** Like all mechanical systems, the lead screw and nut mechanism can wear out with prolonged use, requiring eventual maintenance or replacement.

6. **Dependence on Electrical Supply Stability** Fluctuations in voltage or power interruptions can affect performance, whereas pneumatic actuators may continue operating with compressed air reserves.

7. **Limited Availability of Spare Parts** Depending on the manufacturer, sourcing replacement parts or accessories (e.g., seals, bearings) may be challenging compared to more common actuator types.

8. **Not Ideal for High-Speed Applications** While fast for its class, the 70-OAC24A is not optimized for extremely high-speed linear motion, which may require specialized actuators.

9. **Installation Complexity** Proper alignment and mounting are critical for optimal performance. Improper installation can lead to binding, reduced efficiency, or mechanical failure.

10. **Noise at Extremes** While generally quiet, high-speed or high-load operations may produce more noise than pneumatic or hydraulic alternatives in some cases.

---

### **Conclusion**

The **Grayhill 70-OAC24A UNMP linear actuator** is a well-engineered, reliable, and precise solution for applications requiring **moderate to heavy loads, smooth motion, and durability in controlled environments**. Its compact size, low maintenance, and compatibility with automation systems make it a strong choice for industrial, medical, or laboratory applications where space and precision are critical.

However, its **higher cost, limited stroke flexibility, and electrical dependency** may make it less suitable for applications with **tight budgets, extreme environmental conditions, or long-stroke requirements**. If these limitations are mitigated (e.g., through proper sizing, backup power, or custom configurations), the 70-OAC24A remains a **highly capable actuator** for many technical applications.

---

### **Recommendation**

**Buy the Grayhill 70-OAC24A if:**

- Your application requires **precise, smooth linear motion** with **moderate to heavy loads** (up to 24 lbs).

- You operate in a **controlled or semi-clean environment** where dust and moisture are not extreme.

- **Space constraints** necessitate a compact yet powerful actuator.

- You are willing to invest in a **high-quality, low-maintenance** solution with **long-term reliability**.

- Integration with **PLCs, CNC, or motor controllers** is part of your system design.

**Consider alternatives if:**

- Your budget is **extremely limited**, and you can tolerate slightly less precision or durability.

- You need **longer stroke lengths** (beyond 24 inches) or **ultra-high-speed** operation.

- Your environment is **extremely harsh** (e.g., heavy corrosion, extreme temperatures), in which case a **stainless steel or specialized sealed model** may be needed.

- **Pneumatic or hydraulic actuators** are more cost-effective for your specific load and speed requirements.

For most **automation, medical, or industrial applications** where **reliability and precision** are prioritized, the **70-OAC24A is an excellent choice**. Ensure proper sizing, mounting, and power supply to maximize its performance and lifespan.

Details:

GRAYHILL 70-OAC24A MODULE LOT OF 2 UNMP. No questions asked. Rest assured that you're getting a good deal when purchasing with us. Features Details Fast and Free Shipping You're already purchasing the item.

part #: 70oac24a prices

  • $20.00-$44.00

specifications sensoindustria:

  • brand: Grayhill
  • mpn: 70-oac24a
  • part type: Module

general sensoindustria:

  • PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
  • condition: Used

shipping sensoindustria:

  • class: Standard
  • type: Fixed
  • cost: $0.00
  • carrier: USPS
  • service: USPS First Class
  • transit: 4-9 Days

offer sensoindustria:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: April 18, 2026

seller sensoindustria:

  • city: Knoxville, Tennessee
  • rating: 99.8%
  • # reviews: 23192

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returns sensoindustria:

  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back
  • paid by: Buyer
part type: module,
category: business & industrial > plcs hmis > plc peripheral modules > plc input output modules, sku: 22223605305348751,
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2 offers $20.00–$44.00 USD
  • Used. Offer #1 priced at $44.00 + $0.00 shipping estimate = $44.00* total. You're already purchasing the item.FREE SHIPPING
  • New – Open box. Offer #2 priced at $20.00 + $17.41 shipping estimate = $37.41* total. +$17.41 shipping

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