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How to Realize Blow-and-Vacuum Automatic Screwing for Short Screws with Interference

Time:2025-09-10

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In automated assembly, short screws (with a length-to-diameter ratio less than 1.2) and the presence of interference pose significant challenges to automatic screwing. Traditional blow-and-suck automatic screwing methods often result in screw tipping at the nose position under such conditions, leading to high automation failure rates. However, Danikor’s side-mounted blow-and-vacuum module offers an effective solution to this problem.

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Limitations of Traditional Methods

For short screws in interference-prone environments, traditional blow-and-suck systems show clear drawbacks. Due to the screw’s short length, while custom-sizing the blow tube’s inner diameter may allow screw delivery, the nose channel must be larger than the outer diameter of the suction tube. This creates a large space at the intersection point, causing unstable screw positioning and frequent tipping at the nose. Such instability not only reduces screwing efficiency but also increases equipment failure and maintenance costs.


Advantages of Danikor’s Side-Mounted Blow-and-Vacuum Module

Danikor’s side-mounted blow-and-suck module solves this issue through a unique design. The screw is blown via a blow tube directly to a side-mounted receiving platform, which then transfers the screw to the position below the nose for suction. This avoids instability at the intersection and greatly reduces the risk of screw tipping, significantly improving the stability and reliability of automatic screwing.

Additionally, the module can preload the next screw during the automatic tightening process, effectively boosting production takt time. This innovative design not only enhances productivity but also reduces downtime caused by equipment failures, saving costs for manufacturers.


Other Danikor Advantages

With years of expertise in tightening technology, Danikor’s products and solutions are widely recognized in the industry. Its tightening modules and smart electric screwdrivers offer high-precision control, multiple tightening strategies, and full data traceability. These features not only meet the tightening needs of various complex scenarios but also ensure efficiency and reliability through real-time monitoring and data logging.


For challenging applications involving short screws and interference, Danikor’s side-mounted blow-and-suck module provides a robust and stable solution. By optimizing the screw delivery path, it minimizes failure rates in automated screwing and improves overall efficiency. With advanced technology and deep industry experience, Danikor delivers reliable support for automated assembly, helping businesses stay competitive in today’s fast-moving market




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