**Model No.:** MLK-311H
**Needle Number:** Single Needle
**Stitch Type:** Lockstitch
**Payment Terms:** T/T
**Delivery Time:** Within 20 Working Days
**Warranty Period:** 12 Months
**Trademark:** Mingling
**Packaging:** Standard Sea-Worthy Carton Packing
**Specification:** 130*100mm
**Origin:** China
**HS Code:** 84522190
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**Mingling Factory Price High Speed Lockstitch Industrial Sewing Machine – MLK-311H**
The **MLK-311H** is a high-performance, industrial-grade lockstitch sewing machine designed for precision, speed, and durability. It is ideal for manufacturers looking to increase productivity while maintaining superior stitching quality.
**Key Features:**
- **Machine Head:** Plat-seam flat-fitting sewing machine with a 2-time hook system.
- **Stitch Type:** Single-needle flat seam.
- **Maximum Sewing Speed:** Up to 2800 stitches per minute (rmp).
- **Sewing Area:** Maximum size of 130x100mm.
- **Feeding System:** Servo motor-driven feeding material device.
- **Needle Range:** 0.05–12.7mm (in 0.05mm increments).
- **Memory Capacity:** Built-in memory can store up to 50,000 stitches.
- **Pattern Storage:** Supports SD card and USB storage (up to 32GB).
- **Clamp Device:** Pneumatic clamp system with adjustable height (max 35mm).
- **Presser Foot:** One-piece design with 22mm lift.
- **Intermittent Presser Foot:** Adjustable range from 0.2–4.5mm or 4.5–10mm (factory setting: 3mm).
- **Hook System:** Double hook (standard).
- **Thread Wiper & Trimmer:** Standard equipment included.
- **Control System:** Advanced CPU with user-friendly LCD touch panel.
- **Motor:** 750W servo motor for precise control and energy efficiency.
- **Weight:** Approx. 160kg (machine head), 0.6kg (operational panel), 14.2–16.2kg (control box).
- **Power Supply:** Single-phase 220V or three-phase 200V/380V/400V.
- **Air Pressure:** 0.5MPa at 1.81/min.
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**H Flagship Series – Leading the Industry with Innovation**
This model comes with advanced features that set it apart from traditional machines:
1. **Barcode Scanning Option** – For faster pattern recognition.
2. **Electronic Thread Clamp** – Ensures consistent tension.
3. **Automatic Upper Thread Clamping** – Optional feature for enhanced performance.
4. **Modern System Control Unit** – Enables seamless integration between multiple machines.
5. **User Authorization** – Supports up to 3 users with different access levels.
6. **Soft Transmission System** – Uses German-imported belts for smoother operation and less noise.
7. **Diode Thread Clamp** – Optional feature for improved thread management.
8. **Double Axis & Four Track Structure** – Ensures stable performance and reduced vibration.
9. **Enhanced Operational Panel** – Twice the processing speed for faster pattern loading.
10. **Multi-Axis Servo Drive System** – Equipped with four motors for precise movement.
11. **Remote Data Transmission** – Allows real-time monitoring and data transfer.
12. **Japanese THK Components** – Ensures high-quality motion control.
13. **German Opti Belt** – Widened belt design improves transmission efficiency.
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**High-Speed Performance**
With a maximum sewing speed of **2800 stitches per minute**, the MLK-311H delivers exceptional productivity. The use of a direct-drive servo motor ensures fast start-up and stop response, reducing mechanical wear and increasing overall efficiency by approximately 28% compared to traditional models.
**Testing Environment:**
- Stitching Pattern: Rectangle (300x200mm)
- Stitch Length: 3.0mm
- Speed: 2700 stitches/min (traditional) vs. 2800 stitches/min (MLK-311H)
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**Improved Penetration Force**
Equipped with a powerful 750W servo motor, the MLK-311H offers stronger penetration force even at low speeds. This makes it ideal for sewing thick materials without compromising stitch quality.
**Low Power Consumption**
Thanks to its efficient motor system, the MLK-311H consumes about **15% less power** than similar models on the market, making it both cost-effective and environmentally friendly.
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**Precise Fabric Positioning**
The double-step clamp system allows for accurate positioning of fabric. The clamp can be stopped mid-way and then lowered to the bottom, ensuring consistent alignment and reducing errors during sewing.
**Easy Pattern Changes**
Changing sewing patterns is quick and straightforward:
- Replace the clamp by removing 4 screws.
- Adjust the feed plate using reference holes for accurate placement.
**Large Memory Capacity**
The machine supports up to **999 patterns** and **500,000 stitches**, eliminating the need to reload patterns frequently. It also supports SD cards and USB drives for easy data transfer.
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**User-Friendly Touch Panel**
The LCD touch panel is intuitive and easy to navigate. It allows users to:
- Confirm sensor status and solenoid outputs.
- Set custom functions and I/O ports.
- Use shortcut buttons for frequent pattern changes.
- Access a built-in explanation function for each button.
**Low-Tension Stable Sewing**
The servo-controlled feeding system ensures synchronization between the needle bar and take-up device, allowing for stable sewing even under low thread tension conditions.
**Perfect Stitches at High Speed**
Whether sewing thin or thick materials, the MLK-311H maintains consistent stitch quality at high speeds. Its precision and stability ensure neat, even stitches with no deviation or misalignment.
**Consistent Bottom Thread Tightness**
Users can easily adjust the presser foot height based on material thickness, ensuring uniform thread tightness throughout the sewing process.
**Easy Adjustment Without Tilting the Head**
The needle guard can be adjusted without tilting the machine head, making maintenance and adjustments more convenient.
**Wide Field of Vision**
The absence of a presser foot arm support plate provides a clear view of the sewing area, making fabric inspection and positioning simpler.
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**Product Images:**
[Image 1](http://i.bosscdn.com/uploads/dc/3f/25/0a287bb9a7d5d4cc780a838299.jpg)
[Image 2](http://i.bosscdn.com/uploads/34/0c/ae/63dc28abb58296fcf252d8767d.jpg)
[Image 3](http://i.bosscdn.com/uploads/3c/62/6b/a321066e27dcf81ac585abf794.jpg)
[Image 4](http://i.bosscdn.com/uploads/bd/f0/fa/7128da8b3ba3acdc7999538195.jpg)
[Image 5](http://i.bosscdn.com/uploads/41/81/d9/51902cfd5f4bd4e40afca74edf.jpg)
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For more information or to place an order, contact us today and experience the future of industrial sewing with the **Mingling MLK-311H**.
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