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Automotive Parts CNC Lines: Blanking, Slitting & Integrated Shearing

2025-09-08 16:47

In industries like automotive parts manufacturing and steel processing, efficient and precise sheet metal processing is critical to boosting production efficiency. As key equipment for automated sheet metal processing, CNC blanking lines (including slitting lines and integrated horizontal & longitudinal shearing lines) have become the preferred choice for renowned enterprises such as Shanghai Baolu and Tuopu, thanks to their flexible process combinations and stable performance. They are widely applied in automotive parts production lines across Anhui, Chongqing, Shanghai, and other regions. Since their delivery in 2016, all equipment has maintained stable operation, helping enterprises cut costs and enhance efficiency.

automative parts production line

I. Core Processes & Equipment Composition of CNC Blanking Lines (Including Slitting Lines/Integrated Shearing Lines)

1. CNC Blanking Line: Dedicated to Automotive Stamping Part Processing

Tailored for producing stamped parts like automotive chassis components, outer side panels, and frames, the CNC blanking line adopts a modular process configuration, allowing flexible adjustments based on raw material thickness, width, and functional requirements. Its core process flow is as follows:
Loading Carriage (Automatic Coil Loading) → Uncoiler (Stable Coil Unwinding) → Material Guide & Positioning → Cleaning Machine (Removing Sheet Impurities) → Leveler (Correcting Sheet Flatness, replacing "Straightening Machine" – standard term for sheet metal flattening equipment) → Precision Feeding → Blanking Process (Optional stamping blanking or laser blanking, adapting to different forming needs) → Finished Product Discharge → Intelligent Palletizing (Supporting gravity palletizing, electromagnetic palletizing, and robotic palletizing to match various production capacity scenarios).

2. CNC Slitting Line: High-Efficiency Solution for Steel Coil Slitting

Specialized in steel coil slitting, the CNC slitting line features a process design that balances precision and efficiency. Its core steps include:
Loading Trolley (Coil Loading) → Uncoiler (Coil Unwinding) → Pinch Roll & Leveler (Pulling and straightening coil heads, replacing "Straightening head" – accurate term for coil head straightening equipment) → Head & Tail Shear (Trimming head/tail scrap, replacing "Cropping shear" – industry-standard for scrap cutting) → Loop Pit (Loop 1, for material buffering, replacing "Swing bridge" – common term for coil processing buffer devices) → Guide & Positioning → Slitting Knives (Precise slitting, specifying core component for clarity) → Scrap Winder (Recycling scrap edges to reduce waste, replacing "Scrap reeling") → Tail Material Pressing → Loop Pit (Loop 2, ensuring stable feeding) → Strip Separation → Tension Unit (Maintaining strip tension, replacing "Tensioner" – more precise for sheet metal processing) → Speed Measurement & Direction Change → Recoiler (Finished strip winding, replacing "Rewinder" – standard term for coil winding) → Unloading Trolley (Discharging) → Turning & Packaging (Facilitating transportation and storage).

II. Equipment Applications & Production Specifications

  • CNC Blanking Line: Focused on automotive parts processing, it can produce stamped components such as chassis parts, outer side panels, and frames. It accommodates metal sheets of different thicknesses and widths, meeting the automotive manufacturing industry’s strict requirements for part precision and consistency.

  • CNC Slitting Line: Primarily used for steel coil slitting, it can slit steel coils into strips of various widths as needed, providing standardized raw materials for subsequent processes (e.g., stamping, bending). It serves a wide range of industries, including automotive parts manufacturing and hardware production.

III. Customer Case Studies: Trusted by Leading Enterprises

Our CNC blanking linesslitting lines, and integrated horizontal & longitudinal shearing lines have partnered with multiple leading automotive parts manufacturers, providing reliable support for their production needs:



  • Shanghai Baolu: Applied in automotive parts and accessories manufacturing, improving stamping processing efficiency;

  • Baoding Subo: Adapted to automotive parts and accessories production lines, ensuring consistent part precision;

  • Tuopu (correcting "Top" to official enterprise name): Supporting automotive parts R&D and manufacturing, accelerating the launch of new products;

  • Taihong Wanli: Covering the production of diverse components (e.g., small automotive assemblies, stampings, brakes, hinges), meeting multi-category processing needs.

IV. Project Distribution & Operational Guarantee

1. Project Coverage

Our equipment projects are widely distributed across core manufacturing regions in China, mainly in Anhui, Chongqing, Shanghai, Shandong, Zhejiang, Hebei, Tianjin, and Yunnan. This proximity to automotive industry clusters enables rapid responses to customer service needs.

2. Stable Operation Record

Since 2016, all delivered CNC blanking linesslitting lines, and integrated shearing lines have maintained normal operation, with low equipment failure rates and controllable maintenance costs. Relying on "long-term stable operation + efficient production output," we have gained continuous recognition from cooperative enterprises and become a reliable equipment solution in the automotive parts processing industry.


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