7200 High-Speed Industrial Lockstitch Machine Gear Set (50T/25T)

7200 High-Speed Industrial Lockstitch Machine Gear Set (50T/25T)

The 7200 High-Speed Industrial Lockstitch Machine Gear Set (50T/25T) is a precision transmission component designed for industrial sewing machines, used for power transmission and speed matching between the main shaft and feed mechanism. It consists of a 50-tooth gear and a 25-tooth gear, with a transmission ratio of 2:1, enabling speed reduction and torque increase, improving machine stability, stitching precision, and high-speed continuous operation capability. It is widely used in industrial high-speed lockstitch machines and related sewing equipment, and is a key component affecting overall machine performance.

Product Features

• Ensures stable meshing and smooth transmission.
• Optimized tooth surface contact to reduce vibration and noise.
• Reduces power loss and improves machine efficiency.
• Made of high-quality alloy steel for longer service life.
• Suitable for limited internal space of high-speed sewing machines.
• Suitable for long-term high-speed continuous operation.
• Adapts to frequent start-stop working conditions.
• Ensures synchronized transmission performance of the machine.

Technical Parameter Table

 Main Applications

• Used to drive the main shaft to ensure stable high-speed sewing operation.
• Feed mechanism drive system: Provides synchronized motion for fabric feeding and stitching accuracy.
• Synchronous transmission system: Ensures coordinated movement of different machine components.
• Used in automated sewing systems for continuous and stable production.
• Improves stability in high-end garment, leather, and bag sewing machines.
• Acts as a key transmission component ensuring reliable machine operation.

Product Advantages

• Suitable for high-speed sewing machines, ensuring smooth and efficient performance.
• Improves operating comfort and overall machine stability.
• Reduces skipped stitches and thread breakage issues.
• Reduces wear and vibration, minimizing mechanical impact.
• Suitable for various 7200 series machines.
• Easy maintenance with low replacement cost.
• Suitable for continuous production environments.

Production Process

• Raw Material Selection: High-quality alloy steel  ( such as 20CrMnTi ) .
• Forging Blank: Improves material density and optimizes internal structure.
• CNC Rough Machining: Processes the basic shape, holes, and reference surfaces.
• Gear Cutting: Gear hobbing is used to initially form the gear profile.
• Heat Treatment: Carburizing and quenching to improve surface hardness and wear resistance.
• Finishing Machining: Ensures dimensional accuracy and assembly precision.
• Dynamic Balancing & Inspection: Checks gear accuracy, runout, hardness, and other key parameters.
• Anti-rust Packaging: Anti-corrosion treatment followed by shock-proof packaging for safe transportation.

Cautions

• Clean before installation: Ensure gears and shaft mating surfaces are thoroughly cleaned.
• Correct alignment: Ensure proper shaft alignment and correct meshing clearance.
• No forced assembly: Do not use excessive force or impact during installation.
• Proper lubrication: Use specified lubricant or grease.
• Avoid overload operation: Prevent long-term overload running.
• Regular inspection: Check gear wear and noise changes periodically.
• Stop if abnormal: Stop machine immediately if vibration or noise occurs.
• Anti-rust storage: Apply anti-rust treatment for long-term storage

Why choose us?

• 7-axis CNC Grinding: We adopt high-precision 7-axis CNC grinding machines, holding tolerances as tight as ±5μm, ensuring gears run quietly, smoothly and with outstanding durability.
• Strong technical expertise: Our core R&D team includes doctoral and master’s professionals specializing in spiral bevel gear technology, providing strong technical support for complex projects.
• Rigorous testing & high precision: All gears undergo 100% inspection with Gleason metrology systems. We can achieve DIN 6 grade accuracy with strict control over tooth profile and direction errors, keeping our quality at the industry-leading level.
• High transmission efficiency: Our gear designs support a single-stage reduction ratio of up to 300:1, with actual transmission efficiency reaching over 95%, greatly improving energy utilization.
• Excellent durability & cost efficiency: Our gears deliver 40% lower lifecycle cost and a failure rate below 0.5%, ensuring stable long-term operation and reduced maintenance costs.
• Fast response & short lead time: Supported by our digitalized production process, we are able to shorten the delivery cycle to only 20 working days, helping you accelerate project development and launch.
• Professional custom design capability: We provide fully customized gear solutions for applications requiring high-reduction, high-speed, heavy-load, low-noise, and special small-tooth profiles, based on your actual working conditions.