YM-30 + OTHERS → Medical Application Air Nipper | Chengmao Tools Industrial Co., Ltd.

Tool Model: YM-30 Application: Medical terminal assembly

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Chengmao Tools Industrial Co., Ltd., since 1977, is one of the prime assembly machines and tools manufacturers based in Taiwan.

ISO-9001:2015, CE certified, award-winning and patented design assembly machines and tools including automatic screw feeder machines, automatic wheel lacing machines, spring balancers, air hose balancers, air nippers & crimpers, torque reaction arms, etc.

Chengmao has been supplying assembly machines and tools to worldwide customers, both with the advanced technology and 46 years of experience, Chengmao ensures each customer's needs are met.

YM-30 + OTHERS → Medical Application Air Nipper

Tool Model: YM-30
Application: Medical terminal assembly
Tool Model: YM-30 Application: Medical terminal assembly

《Case Description》
A Critical Tool for Ultra-Fine Wire Insertion

— Application of the Customized YM-30 Air Holding Nipper in Implantable Electronic Medical Devices

As implantable electronic medical devices continue to evolve toward miniaturization, higher density, and increased precision, the dimensions of wires and terminals used in neural stimulators, sensing electrodes, and related electronic modules have been reduced to levels that are difficult to handle using conventional electronic assembly methods.

In such advanced medical manufacturing processes, the ability to stably handle ultra-fine wires at hair-scale diameters, while ensuring assembly consistency and reliability, has become a critical factor affecting overall product quality.

【Practical Manufacturing Challenges in Implantable Electronic Medical Devices】
During the manufacturing of implantable electronic medical devices, ultra-fine wires must often be precisely inserted into micro-sized metallic tubular terminals before subsequent fixation or encapsulation processes.
In this application, the corresponding terminal specifications are as follows:
◎Tubular metal terminal
◎Outer diameter: approximately Ø0.26 mm
◎Length: approximately 1.5 mm
The wires themselves are only about 1–2 strands of hair in diameter, soft in texture and prone to uncontrolled movement. Combined with the extremely small size of the tubular terminals, wire insertion must be performed under a microscope.

When relying solely on fingers or general-purpose tools, the wires are highly susceptible to bending, slipping, or misalignment, resulting in unstable processes and potential material damage.

【Why a Dedicated Wire Holding and Guiding Tool Is Required】
In such manufacturing scenarios, the primary purpose of the tool is not to cut the wire, but to:
◎Stably hold ultra-fine wires
◎Control wire direction and insertion angle
◎Assist smooth and accurate insertion into micro tubular terminals
◎Reduce heavy dependence on operator experience and manual skill
Without dedicated tooling support, it is difficult to maintain a high success rate and consistent quality in wire insertion processes, making stable production and scalability challenging.

Ultra-Fine Wire Holding Illustration

Application of the Customized YM-30 Air Nipper

In this application case, the SEALS YM-30 Air Nipper Body is selected as the base mechanism.
Based on specific process requirements, the tool is further adapted through a customized Air Nipper Blade design, transforming it from a cutting tool into a dedicated pneumatic micro holding nipper for ultra-fine wire handling.

The key application features include:

  • Customized Air Nipper Blade Geometry
    The Air Nipper Blade is not designed for cutting purposes. Instead, it forms a stable and gentle holding surface, preventing scratching, deformation, or flattening of ultra-fine wires during operation.

  • Consistent and Controllable Holding Stroke
    Pneumatic actuation ensures consistent gripping force and stroke for each operation, minimizing variations caused by manual force and improving overall process repeatability.

  • Stable Wire Direction Control
    During the wire insertion process, the tool securely holds and guides the wire, enabling accurate insertion into Ø0.26 mm micro tubular terminals.

  • Compact Design for Microscope-Assisted Operation
    The miniaturized Air Nipper Body allows flexible operation under high-magnification microscopes, meeting the spatial and precision requirements of medical manufacturing processes.

Benefits for Medical Manufacturing

By adopting this customized pneumatic holding solution, implantable medical electronic manufacturing processes can achieve clear and measurable improvements:

  • Enhanced success rate and consistency in ultra-fine wire insertion

  • Reduced risk of wire bending, surface damage, and material scrap

  • Lower dependency on highly experienced manual operators

  • Improved process stability, supporting repeatable production

  • Compliance with the stringent quality and reliability requirements of high-end medical electronics

These advantages are particularly critical for the mass production and quality control of implantable medical devices and related electronic modules.

Precision Tools Supporting Advanced Medical Applications

As wire diameters shrink to hair-scale dimensions and terminal structures fall below millimeter-level sizes, the manufacturing process itself becomes a highly specialized technical challenge.
Through customized designs based on the YM-30 Air Nipper Body, SEALS provides precision pneumatic holding tools tailored to medical manufacturing requirements, enabling stable and reliable ultra-fine wire insertion and serving as a key auxiliary solution in the production of advanced implantable electronic medical devices.

Seals Core Technologies & Practical Value

  • Dedicated holding geometry for ultra-fine wires
  • Pneumatic actuation with consistent holding stroke
  • Stable wire direction control for precise insertion
  • Compact design suitable for microscope-assisted operation
  • Reduced dependence on highly skilled manual handling
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