Essential details
Quantity(pieces):1
MOQ:1
Lead time:10-15 DAYS
Shipping:Express Delivery, Air freight, Land freight, Ocean freight
Specification Number:SKR14G-C1-S256-H-G-C3-Z-1
Product Introduction
### **Product Introduction: High-Performance Linear Motors**
**Title: Unleash Peak Performance with Our Direct Drive Linear Motor Technology**
**Subtitle: Unmatched Speed, Precision, and Reliability for Your Most Demanding Automation Applications**
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#### **1. Overview & Value Proposition**
Our series of high-performance linear motors represent the pinnacle of direct-drive motion technology. By fundamentally eliminating the mechanical components found in traditional systems like ball screws and belts, we deliver a revolutionary solution that pushes the boundaries of speed, accuracy, and reliability. Engineered for the most challenging automation tasks, our linear motors are the key to unlocking new levels of productivity and quality in your machinery.
**Core Value: Direct Drive Advantage**
* **Higher Throughput:** Achieve faster cycle times with extreme accelerations and velocities.
* **Superior Precision:** Execute flawless, jitter-free motion with sub-micron positioning accuracy.
* **Maximum Uptime:** Non-contact operation ensures virtually zero mechanical wear and maintenance.
#### **2. Key Features & Benefits**
| Feature | Benefit to Your Application |
| :--- | :--- |
| **Direct Drive Design** | Eliminates backlash, elasticity, and wear from gears, screws, or belts. Enotes flawless motion quality and consistent performance over time. |
| **Exceptional High Speed & Acceleration** | Capable of speeds over 5 m/s and accelerations exceeding 10 G, drastically reducing cycle times and increasing throughput. |
| **High Precision & Accuracy** | Integrated high-resolution feedback compatibility allows for precise positioning with repeatability down to sub-micron levels. Perfect for applications like semiconductor manufacturing and laser processing. |
| **Smooth Operation at All Speeds** | Cog-free operation (ironless models) ensures buttery-smooth motion even at very low speeds, essential for inspection, dispensing, and polishing. |
| **Zero Maintenance & Long Service Life** | The primary drive system is non-contact, meaning no lubrication or replacement of mechanical components is required. |
| **High Stiffness & Dynamic Response** | Provides incredible rigidity for immediate response to control commands, resulting in minimal settling times and higher accuracy during complex motion profiles. |
| **Modular & Scalable Design** | Our motors are available in a range of sizes and force ratings. The modular track can be extended for virtually any stroke length, offering unparalleled design flexibility. |
| **Robust Construction** | Designed to perform reliably in demanding environments, including cleanroom and washdown conditions (specific models). |
#### **3. Product Series & Models**
We offer a comprehensive portfolio to meet your specific force, precision, and budget requirements:
* **Ironcore Series:**
* **Ideal for:** High-force, high-duty cycle applications.
* **Characteristics:** Highest force density, excellent thermal management through the steel laminations.
* **Applications:** CNC machining, heavy-duty gantry systems, injection molding machines.
* **Ironless (Aircore) Series:**
* **Ideal for:** Ultra-smooth, precise motion with zero cogging.
* **Characteristics:** No attractive forces, zero cogging, lightweight forcer.
* **Applications:** Semiconductor wafer steppers, precision metrology, laser micromachining, medical devices.
* **Slotless Series:**
* **Ideal for:** A balance of smooth operation and high force.
* **Characteristics:** Moderate force density, reduced cogging compared to ironcore, and improved thermal performance over ironless.
* **Applications:** Pick-and-place, general automation, high-speed packaging.
#### **4. Technical Specifications (Example)**
| Parameter | Ironcore Model LMC-300 | Ironless Model LMA-150 |
| :--- | :--- | :--- |
| **Peak Force** | 1,200 N | 450 N |
| **Continuous Force (at 40°C)** | 450 N | 150 N |
| **Peak Current** | 15 A | 10 A |
| **Force Constant** | 80 N/A | 45 N/A |
| **Continuous Power Dissipation** | 350 W | 200 W |
| **Thermal Resistance** | 0.5 °C/W | 1.2 °C/W |
| **Mover Mass** | 4.2 kg | 0.9 kg |
| **Recommended Air Gap** | 0.8 mm | 0.5 mm |
| **Cooling Method** | Liquid / Conduction | Natural / Forced Air |
*Note: Specifications are illustrative. Please refer to the specific model's datasheet.*
#### **5. Target Applications**
Our linear motors are engineered to excel in a wide range of high-performance industries:
* **Semiconductor & Electronics:** Wafer inspection, wire bonding, die attach, PCB drilling.
* **Factory Automation:** High-speed gantry robots, precision assembly, 3D printing.
* **Medical & Life Sciences:** DNA sequencing, automated diagnostics, sample handling.
* **Machine Tool & CNC:** High-speed machining, EDM, laser cutting, waterjet cutting.
* **Packaging:** High-speed pick-and-place, sorting, and labeling.
* **Precision Metrology:** Coordinate Measuring Machines (CMM), vision inspection systems.
#### **7. Complete System Solution**
To achieve optimal performance, our linear motors are designed to work seamlessly with:
* **High-Fidelity Servo Drives:** Optimized for linear motor control.
* **High-Resolution Linear Encoders:** For direct position feedback and ultra-precise control.
* **Linear Guides & Bearings:** Recommended for supporting and guiding the load.
* **Cable Management Systems:** Robust solutions for continuous flexing.
**Call to Action:**
**Ready to transform your machine's performance?**
Contact our engineering sales team today for a free application review and motor sizing recommendation. Let us help you select the perfect linear motor to outperform your competition.
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**Download Datasheets | Request a Quote | Contact an Engineer**
Product details
### **Frequently Asked Questions (FAQ) About Linear Motors**
#### **1. Basic Principles & Design**
**Q1: What is a linear motor?**
A: A linear motor is essentially a rotary motor that has been "unrolled." Instead of producing torque (rotation), it produces a direct linear force along its length. It operates on the same electromagnetic principles as its rotary counterpart but delivers motion in a straight line.
**Q2: How does a linear motor work?**
A: It consists of two primary components: a **forcer** (or mover) and a **track** (or stator). The forcer contains permanent magnets, and the track contains a series of copper windings. By sequentially energizing the windings with a controlled AC current, a traveling electromagnetic field is created. This field interacts with the permanent magnets on the forcer, generating a linear force that pushes or pulls the forcer along the track.
**Q3: What are the main types of linear motors?**
A: The most common types are:
* **Ironcore:** Coils are wound around a laminated iron core. They offer high force density but have cogging (force ripple) and attraction forces.
* **Ironless (or Aircore):** Coils are encapsulated without an iron core. They provide smooth, cog-free motion but have lower force density and require better cooling.
* **Slotless:** A hybrid design with an iron backplate for better magnetic return but no teeth, offering a compromise between ironcore and ironless types.
* **Linear Synchronous Motors (LSM):** The type described above, where the forcer's speed is synchronized with the traveling magnetic field.
* **Linear Induction Motors (LIM):** The forcer is a simple conductor (like an aluminum plate). Motion is induced by a moving magnetic field, making it robust but less efficient and precise than LSMs.
#### **2. Advantages & Applications**
**Q4: What are the key advantages of linear motors over traditional rotary-to-linear systems (e.g., ball screws)?**
* **High Speed and Acceleration:** No mechanical linkages to stretch or whip, allowing for extremely high speeds and accelerations.
* **High Precision and Accuracy:** Direct drive eliminates backlash, elasticity, and other errors from mechanical components like screws, belts, or gears.
* **Smooth Operation:** Capable of very smooth motion at low speeds, even down to micron-level movements.
* **Minimal Maintenance:** Non-contact operation means no mechanical wear on the primary drive components, leading to high reliability and long life.
* **Stiffness:** Very high mechanical stiffness, resulting in fast response times.
**Q5: Where are linear motors typically used?**
A: They are ideal for high-performance applications, including:
* CNC machining centers (high-speed gantries)
* Semiconductor manufacturing (wafer steppers, wire bonders)
* Precision metrology and inspection systems
* Laser and waterjet cutting machines
* Packaging and assembly automation
* Magnetic levitation (Maglev) trains
#### **3. Selection & Sizing**
**Q6: How do I select the right linear motor for my application?**
A: Motor selection is based on your application's key requirements:
1. **Continuous Force:** The force required to move the load against friction, gravity, and process forces at a constant velocity.
2. **Peak Force:** The force needed for acceleration and deceleration.
3. **Speed:** The maximum travel speed required.
4. **Accuracy & Repeatability:** The level of precision needed.
5. **Duty Cycle:** The ratio of move time to total time, which affects thermal management.
6. **Available Space & Mounting Constraints.**
Most manufacturers provide sizing software that uses these parameters to recommend a specific motor model.
**Q7: What is "cogging" and which motor types have it?**
A: Cogging (or detent force) is a reluctance force that causes a rippling effect in the motion, making it non-smooth, especially at low speeds. It is most prominent in **ironcore linear motors** due to the magnetic attraction between the forcer's iron laminations and the permanent magnets in the track. **Ironless motors are inherently cog-free.**
#### **4. Integration & Control**
**Q8: What is needed to control a linear motor?**
A: A linear motor cannot operate on simple AC power. It requires a **servo drive (amplifier)** and a **motion controller**. The system also requires a **high-resolution linear feedback device** (such as a linear encoder or laser interferometer) to close the position loop accurately, as the motor has no inherent positioning capability.
**Q9: Why is a linear encoder necessary?**
A: Unlike a rotary motor connected to a ball screw (where a rotary encoder can infer linear position), a linear motor's forcer moves independently. A linear encoder provides direct, high-feedback of the forcer's actual position on the track, which is critical for achieving the system's full potential for precision and accuracy.
#### **5. Installation & Maintenance**
**Q10: What are the critical installation considerations?**
* **Flatness and Straightness:** The motor track must be mounted to very tight tolerances for flatness and straightness. Any deviation will directly impact performance and can cause excessive vibration or premature bearing wear.
* **Air Gap:** The distance between the forcer and the track must be maintained as specified by the manufacturer. A variation in the air gap will cause a variation in the force constant.
* **Cooling:** Linear motors can generate significant heat. Ensure the recommended cooling method (typically air or liquid) is properly implemented to prevent force degradation and damage.
**Q11: How do I maintain a linear motor?**
A: The primary maintenance focus is on the **supporting components**, not the motor itself:
* **Bearings/Linear Guides:** Keep them clean and properly lubricated according to the guide manufacturer's schedule.
* **Cable Management:** Regularly inspect cables and cable carriers for wear and tear, as these are common failure points.
* **Cooling System:** Ensure cooling passages are not clogged and that the coolant is clean.
* **Cleaning:** Keep the motor and encoder surfaces clean from debris, especially ferrous (iron) particles, which can adhere to the magnets and cause damage.
**Q12: Are linear motors sensitive to contamination?**
A: Yes. Ironcore motors are particularly susceptible to ferrous debris. Ironless motors are generally more robust in dirty environments but should still be protected. Using bellows or seals is a common practice.
#### **6. Cost & Comparison**
**Q13: Why are linear motors more expensive than ball screws?**
A: The higher cost comes from:
* The use of large amounts of high-strength rare-earth magnets.
* The need for a high-performance servo drive and a linear feedback system.
* More stringent and costly mounting requirements for the track.
**Q15: When should I choose a linear motor over a ball screw?**
A: Choose a linear motor when your application demands **very high speed, high acceleration, extreme precision, or cleanroom compatibility**. For applications with lower speed, acceleration, and precision requirements, a ball screw is often a more cost-effective solution.
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This FAQ covers the most common inquiries. For specific technical details, always consult the documentation provided by your linear motor manufacturer.
