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Tensioning Block

Tensioning Block for TMT Chuck

  • Tensioning Block for TMT Chuck
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Product Description

TMT Tension Segments (Tensioning Blocks)

In high-speed synthetic yarn winding processes, the TMT winder tensioning blocks are critical consumable components. Their performance directly impacts the stability of paper tube clamping and dynamic balance during high-speed rotation.

1. Core Functions and Operating Principles
Axial Force
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Radial Force (Grip)
An inner slider drives the segments via the wedge/inclined plane principle, converting axial force into radial force — causing the segments to expand outward and firmly grip the inner wall of the paper tube.
1)
Securing the Tube: Ensures the paper tube does not slip or shift at high speed.
2)
Torque Transmission: Uniformly transfers the driving force from the spindle to the paper tube.
3)
Rapid Unloading: Upon completion of a full package, segments quickly retract to allow for smooth doffing.
2. Primary Materials

TMT tension segments are typically made of special composite polyester. This material offers specific toughness and elasticity, allowing for better conformity to the paper tube while preventing damage to the tube's inner diameter.

3. Key Technical Points: Dynamic Balance and Precision
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Weight Control: Deviation among all segments on a single chuck is controlled within extremely tight tolerances. If a segment wears down or becomes unbalanced, it can induce high-frequency vibration — potentially leading to shaft fracture.
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Surface Curvature: The outer surface curvature is precision-matched to the paper tube's inner diameter to maximize contact area.
4. Maintenance and Replacement Guide
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Waste Yarn Removal: During frequent tube changes, stray filaments can easily become trapped in the gaps between segments, causing "uneven expansion" or "failure to retract."
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Lubrication: Although some segments feature a self-lubricating design, the internal driving wedges must be periodically coated with TMT-specified high-temperature grease.
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Complete Set Replacement: Avoid replacing only a single damaged segment. To maintain dynamic balance, segments must always be replaced as a complete, matched set.
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Jiaxing Shengbang Mechanical Equipment Co., Ltd.

Jiaxing Shengbang Mechanical Equipment Co., Ltd. is a comprehensive technological advantage, specializing in the development, production, sales and maintenance of key parts and spinning machines, and R&D of new materials and fabrics. We are China Wholesale Tensioning Block for TMT Chuck Suppliers and Tensioning Block for TMT Chuck Company. Shanghai Panguhai Technology Engineering Co., Ltd. is the sales and R&D headquarters of our company, Haian Jingtong New Material Technology Co., Ltd. is the production and experimental base of our machinery and yarn.
We own advanced and perfect equipment for production, inspection, testing and maintenance of spinning machinery, such as advanced CNC machine tools, Shenk Balancing Machine, plasma-coating equipment from AVIC Manufacturing Technology Institute and temperature calibration for hot godet from Barmag. Based on our rich experience and mature systematization technology in filament yarn production, we have developed a revolutionary multi-purpose spinning test machine, with which the single-component yarn, bicomponent yarn, multi-component yarn, POY, FDY, medium-strength yarn and filament yarn can be easily produced. What’s more, we own a yarn spinning lab for sample making, where customers can do spinning tests by themselves as well.
Via the advanced technology, equipment and our convenient location, we have successfully set up cooperation relationships with Tongkun Group, Xin Feng Ming Group, Hengli Group and Shenghong Corp., as well as many other well-known chemical fiber companies in China, and our quality and service have been widely approved by the customers.
Jiaxing Shengbang Mechanical Equipment Co., Ltd.

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