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Tension Perfected: From Stretch to Coil with Servo Precision
Product Overview
High-performance PP strapping production requires precise tension control throughout the entire manufacturing process. Our production line features a comprehensive servo tension solution that ensures optimal molecular orientation during stretching, stable transportation during haul-off, and perfect formation during winding. The system utilizes synchronized servo motors and advanced tension sensors to deliver uniform product strength, eliminate internal stress distortion, and produce tightly wound, neatly formed rolls.
Key Technical Features
Servo Stretching Control: Drawing machine equipped with 11KW servo motor for precise speed synchronization and constant draw ratio maintenance via PID adjustment
Closed-Loop Tension Sensing: Optional tension sensors (dancer arm or load cell) provide real-time feedback at critical process stages
Servo Winding Core: Four-axis independent servo winding with torque control mode automatically adjusts output based on set tension and real-time roll diameter
Roll Formation Optimization: Taper tension setting gradually decreases tension as roll diameter increases to prevent hard cores and edge collapse
Technical Specifications
Parameter Category
Parameter Item
Specification / Description
Stretching Tension
Stretching Drive
11KW Servo Motor
Draw Ratio Control Accuracy
≤ ±0.5%
Tension Display & Control
Magnetic Powder Tension Controller, Range 0.5-5N
Haul-Off Stability
Haul-Off Pressure Control
Pneumatic Proportional Valve or Pressure Regulating Valve
Haul-Off Speed Sync Accuracy
≤ ±0.1%
Winding Tension
Winding Drive
4 x 1.2KW Servo Gear Motor
Tension Control Mode
Constant Tension / Taper Tension Optional
Tension Control Accuracy
≤ ±3% FS (Full Scale)
Maximum Roll Diameter
φ300mm (Standard, customizable)
Roll Formation Quality
Edge Alignment
≤ ±1 mm
No Edge Collapse, Telescoping
Achieved via Taper Tension Control
Frequently Asked Questions
What are the advantages of servo winding over ordinary torque motor winding?
Ordinary torque motors approximate torque control through current adjustment but suffer from poor linearity, slow response speeds, and unstable low-speed performance, especially with significant diameter changes that cause substantial tension fluctuations. Servo motors provide superior performance through: Precise Control with true closed-loop torque control and consistent output; Extremely Fast Response with millisecond-level reaction to tension changes; Excellent Low-Speed Performance ensuring smooth torque at minimal winding speeds; and High Intelligence for seamless PLC integration with complex diameter calculation and taper control capabilities.
How to set the appropriate stretching tension and winding tension?
Stretching tension primarily influences the product's final strength and elongation characteristics. Optimal settings require experimentation within the equipment's operational range (0.5-5N) based on raw material properties, product specifications, and target performance metrics. For winding tension, initial settings must ensure neat roll formation without product damage. Starting tension on empty cores should be sufficient to prevent slippage but not excessive to avoid strap crushing. As roll diameter increases, applying taper tension to gradually reduce tension (typically linearly from full tension down to 70%) effectively prevents inner layer deformation from excessive pressure. We provide initial process parameter recommendations and assist customers with optimization during commissioning.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
5000000-8000000
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping.
Vision: Committed to becoming t... Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping.
Vision: Committed to becoming t...
