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Chengmao automatic screw fastening Service Introduction

Chengmao Tools Industrial Co., Ltd. is Taiwan automatic screw fastening supplier and manufacturer with more than 46 years experence. Since 1977, in the Hand Tools Industry, Chengmao has been offering our customers high quality automatic screw fastening production service. With both advanced technology and 46 years experience, Chengmao always make sure to meet each customer's demand.

Result 1 - 12 of 12
  • Automatic Screw Feeder with telescope screwdriver set
    Automatic Screw Feeder with telescope screwdriver set
    CM-40

    The SEALS CM-40 Automatic Screw Feeder is designed for speed, stability, and convenience. It integrates high-precision jaws, a reliable automatic feeding system, and Japanese-made torque-controlled pneumatic or electric screwdrivers to significantly enhance screw fastening speed and production efficiency. The screw jaws are custom-designed based on the customer's screw type and working environment, ensuring smooth and stable operation. SEALS also provides screwdriver model recommendations tailored to your specific screw and workpiece characteristics to ensure optimal fastening results. The material hopper adopts an up-and-down pushing board design to minimize screw surface scratches and keep feeding noise to a minimum. Combined with a fiber optic control system, the feeder intelligently stops when the chute is full, saving power and further reducing noise. The air blow feeding mechanism enables the next screw to be delivered to the jaw within 0.5 seconds—often before the operator moves to the next fastening point—greatly improving cycle time. A horizontal vibration chute is available to improve feeding performance for lightweight screws, painted screws, or screws with washers. The telescope-type screwdriver delivers consistent downward force directly into the sleeve of the screw, making it particularly suitable for self-tapping screws and wood screws. For automation integration, the screw feeder can be triggered via a dry contact to blow one screw per cycle. The screwdriver can also be mounted on a cylinder to enable vertical fastening strokes in fully automated assembly systems.

  • Automatic Screw Feeder with Lever-Activating Design
    Automatic Screw Feeder with Lever-Activating Design
    CM-40T

    The SEALS CM-40T Automatic Screw Feeder is designed based on the principles of speed, stability, and convenience. It integrates pneumatic or electric torque-controlled screwdrivers, precision-engineered jaws, and a reliable horizontal feeding mechanism to significantly improve fastening speed and overall production efficiency. The system features an ergonomic lever-activated design that allows the operator to simply press the lever, prompting the screwdriver bit to automatically push downward and complete the fastening process. This design minimizes the required press stroke, reduces operator fatigue, and enhances productivity. The jaw is engineered to avoid direct pressure on the surface of the workpiece, effectively protecting product finishes and coatings from damage. To meet the demands of automated manufacturing, the CM-40T can also be integrated into various automation platforms such as XY tables, SCARA robots, 6-axis robotic arms, or other custom automatic assembly systems. The automation-ready version supports input/output signal communication and can seamlessly interface with major control systems.

  • Automatic Screw Feeder with telescope screwdriver set
    Automatic Screw Feeder with telescope screwdriver set
    CM-20

    The CM-20 is a push-down type automatic screw fastening machine that integrates vibratory screw alignment, air-blow screw feeding, and an electric screwdriver system. It is designed for fixed workstations and repetitive fastening applications with stable cycle time. During operation, the front sleeve comes into contact with the workpiece surface. Once downward pressure is applied and the preset stroke position is reached, the screwdriver is activated to perform the fastening process, allowing operators to achieve accurate fastening through a simple and intuitive push-down motion. Fastening completion is determined by torque feedback from the screwdriver, and the system feeds the next screw only after proper tightening is confirmed. This control mechanism effectively prevents quality issues such as stripped threads, idle rotation, or misfeeding, making the CM-20 particularly suitable for mass-production assembly lines requiring consistent fastening quality and process stability.

  • Magnetic Type Automatic Screw Feeding Machine
    Magnetic Type Automatic Screw Feeding Machine
    CM-20M

    The CM-20M is a handheld automatic screw fastening solution that integrates vibratory screw alignment, air-blow screw feeding, and trigger-activated fastening operation. This configuration allows operators to maintain a stable cycle time even when working at mobile stations or in multi-angle fastening applications. After alignment, screws are delivered to the fastening point via air-blow feeding and positioned by a magnetic driver bit, ensuring stable alignment and improved positioning accuracy during the initial fastening stage. During operation, the operator simply pulls the trigger, causing the driver bit to advance the screw and complete the fastening process. Since this fastening method does not require the front sleeve or fixture to press against the workpiece surface, it effectively reduces the risk of scratches or surface marks. This makes the CM-20M especially suitable for cosmetic parts, painted components, anodized surfaces, or products with surface protection requirements. It should be noted that the positioning mechanism of the CM-20M relies on the driver bit’s ability to hold the screw magnetically. Therefore, only screws with magnetic properties are applicable. For non-magnetic screw materials—such as most stainless-steel screws—a push-down type fastening model without magnetic dependency is recommended to ensure stable feeding and fastening performance.

  • Vibration Bowl Type Automatic Screw Feeder
    Vibration Bowl Type Automatic Screw Feeder
    CM-501

    The SEALS CM-501 vibration bowl type automatic screw feeder is designed for speed, stability, and convenience. With a maximum feeding rate of 50 screws per minute, it significantly improves fastening efficiency in production environments. The system supports a wide range of screw sizes, from M1.0 to M8, and screw lengths up to 30 mm. Compared to sword-type feeders, the vibration bowl design provides a larger screw capacity due to its built-in tank, making it suitable for long-duration operations with fewer refills. Integrated with a pneumatic or electric torque-controlled screwdriver and a custom precision jig, the CM-501 offers stable, reliable fastening performance across various applications such as electronics, aluminum products, plastic components, and hardware assemblies. Its simplified mechanical structure allows for easier maintenance and long-term operational stability. The jig and feeding configuration can also be customized to match specific screw dimensions and workpiece requirements.

  • Robot Type Automatic Screw Feeder
    Robot Type Automatic Screw Feeder
    CM-TABLE

    The SEALS CM-TABLE series is a programmable, robot-type automatic screw fastening solution designed to reduce manual labor and improve process consistency. By integrating Japanese JANOME desktop robots with precision screw jaws, torque-controlled electric/pneumatic screwdrivers, and intelligent screw feeding systems, CM-TABLE delivers high-speed, high-precision, and highly repeatable performance, ideal for high-mix, low-volume production environments. Screw fastening points and motion paths can be fully programmed and stored in up to 255 modules (or 30,000 points), allowing rapid changeover and support for flexible production lines. The system supports real-time error detection—including screw shortage, torque achievement, and stripped-thread detection (optional)—to ensure consistent quality and reliable operation. Depending on the application, SEALS offers both belt-driven XY systems with stepper motors and ball-screw-driven models powered by servo motors, providing optimal configuration for speed or precision. A range of working platform sizes (200×200mm to 510×510mm) is available to accommodate various workpiece sizes. With features like data collection, programmable control, and automation readiness, CM-TABLE helps standardize the screw fastening process and ensures high stability, independent of operator influence.

  • Gantry Type XY Table Automatic Screw Fastening Machine
    Gantry Type XY Table Automatic Screw Fastening Machine
    CM-TABLE-GANTRY

    The SEALS CM-TABLE-GANTRY is a floor-standing automatic screw fastening system built with a robust gantry structure, featuring dual Y-axis supports and a ball screw-driven XY servo slide table. Compared to single-arm or cantilever robots, this design provides superior repeatability, higher load capacity, and greater structural stability—making it ideal for large-scale assemblies and multi-screw fastening applications. Integrated with SEALS air-blow screw feeding technology, the system delivers screws in as fast as 0.2 seconds per cycle. The high-precision XY servo module shortens travel distances by over 60%, significantly improving production speed and efficiency. Widely used in industries such as automotive components, computer peripherals, and large plastic or metal parts, the SEALS CM-TABLE-GANTRY supports multi-point fastening and can be optionally equipped with safety light curtains for enhanced operator protection.

  • Index Table Automatic Screw Feeder Fastening System
    Index Table Automatic Screw Feeder Fastening System
    CM-INDEX

    SEALS CM-INDEX – Index Table Automatic Screw Fastening System The SEALS CM-INDEX is a high-efficiency rotary indexing screw fastening system designed for multi-station automated assembly. Available in 4, 6, or 8-station configurations, the system allows operators to focus solely on loading and unloading, while the indexing table sequentially completes all fastening tasks. Capable of integrating multiple pneumatic or electric screwdrivers for simultaneous or sequential screwdriving operations, the CM-INDEX ensures consistent workflows, enhanced quality control, and higher output. Adjustable rotation speed and reliable screw feeding mechanisms help reduce manual labor and increase productivity—making it an ideal solution for boosting automation and product value.

  • Spindle Type Automatic Screw Fastening Module
    Spindle Type Automatic Screw Fastening Module
    CM-100R

    The SEALS CM-100R is a spindle-type automatic screw fastening module designed for seamless integration with 6-axis robot arms, SCARA robots, XY tables, gantry systems, and other automated platforms. With standardized interface plates, the module can be quickly mounted onto various automation setups. Once aligned to the screw hole, the CM-100R performs screw pushing, fastening, re-feeding, and signal feedback within 1–2 seconds. (Actual cycle time may vary depending on screw size, pitch, driver speed, and whether the screw is self-tapping.) Equipped with multiple smart sensors, the CM-100R enables real-time status monitoring and precise control through the host system. Chengmao also offers weight estimation to ensure compatibility with robotic payload requirements. Fully pre-integrated with essential components—including screw jaws, pneumatic or electric screwdriver, torque detection, slide unit, screw feeder, cable routing, and signal interface—the CM-100R minimizes engineering time and accelerates deployment. The module can be used as a standalone unit or combined in multiple-unit configurations. With smart hose management, it supports operations from multiple angles, making it ideal for both fully automated and semi-automated assembly environments.

  • Multi Spindle Automatic Screw Feeding and Fastening Machine
    Multi Spindle Automatic Screw Feeding and Fastening Machine
    CM-200~CM-800

    SEALS CM-200~CM-800 multi-spindle screw fastening machines are customized solutions designed for simultaneous multi-screw operations. This system significantly increases productivity while ensuring fastening consistency and product quality. The rotary table with dual fixtures allows parallel screw fastening and loading/unloading, improving workflow efficiency and operator safety. Integrated with SEALS’ reliable screw feeders and torque-controlled electric screwdrivers, it delivers a high-performance, automated assembly solution.

  • Fasten Stroke Cylinder Equipment
    Fasten Stroke Cylinder Equipment
    TM-6

    The SEALS Fasten Stroke Cylinder Equipment integrates a pneumatic screwdriver module onto a cylinder-driven slide system. Activated via automatic control, foot switch, or foot valve, it enables smooth, hands-free screw fastening. Operators simply place the workpiece into the fixture, and the system completes the fastening process efficiently, accurately, and with consistent quality—ideal for reducing manual workload and enhancing production stability.

  • Vacuum Pick-up Screwdriver Unit
    Vacuum Pick-up Screwdriver Unit
    40VC

    SEALS 40VC Vacuum Pick-up Screwdriver Unit integrates vacuum screw pick-up and fastening functions into a single module. It can be applied to 6-joint ROBOT ARM, 4-joint SCARA, 3-joint XY TABLE, and other automated equipment. Depending on the production line configuration and screw feeding method, the 40VC can be integrated with a suitable screw feeding system to provide greater flexibility for automated screw fastening applications.

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