Combined Drawing Line

Combined Drawing Line

Our combined drawing line is an integrated system designed for the continuous processing of various metals, including steel, copper, aluminum, stainless steel, and alloys. This combined drawing system is engineered to transform raw materials into round and profiled bars through a seamless sequence of drawing, straightening, cutting and surface finishing.

Specifically built for industrial-scale manufacturing, this combined drawing machine handles inlet diameters ranging from Ø30 mm to Ø8 mm with a pulling force of 3 to 25 tons. The bar drawing line integrates multiple processing units including pay-off, prestraightener, shot blasting machine, drawing unit, profile straightener, hydraulic shear, guide rack, 2-roll straightening machine, and delivery table.

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Technical Parameters (HLT-SX-20T)
Maximum Pulling Force 200 kN
No-Load Drawing Speed 5–50 m/min (infinitely variable speed)
Processing Range
  • Round bar: Ø10 mm – Ø30 mm
  • Square bar: H10 mm – H21 mm
  • Hexagonal bar: S10 mm – S25 mm
  • Copper: Ø45 mm
  • Aluminum: Ø45 mm
Processing Length 2m–12m (±5 mm)
Surface Roughness of Finished Product Ra0.4–0.8μm
Straightness of Finished Product Round bar ≤0.3mm/m
Dimensional Tolerance ±0.02mm
Total Power Approx. 250kW
Main Motor Power 160kW
Power Supply Three-phase 380V/50Hz
Air Pressure 4MPa ± 1MPa
Total Machine Weight Approx. 68t
Equipment Structure
    • Pay-Off Unit
      Pay-Off Unit
      • Pay-off system: 1 hydraulic pump station, 1 electrical control cabinet
      • Pinch roll transmission unit: 1 set
      • Horizontal straightening unit: 7 straightening rolls (material: CR12MOV)
      • Base frame: 1 unit
    • Shot Blasting Machine
      Shot Blasting Machine
      • Fully enclosed design without foundation pit requirement
      • Pre-straightening device: 1 set
      • Built-in shot blasting unit designed for wire processing
      • Blasting blades customized according to wire diameter
      • Low wear parts with easy and quick replacement
      • Compatible with combined drawing lines up to 100 m/min
      • Power: 22 kW × 4
      • Max. inlet diameter: Ø36 mm
    • Two-Roll Straightening Machine and Collection Unit
      Two-Roll Straightening Machine and Collection Unit
      • Straightening Machine Base: 1 set
      • Guide Plate Mount: 1 set
      • Safety Guard: 1 set
      • Straightening Rolls (2 pcs): 1 set
      • Electric Motor 22 kW: 2 units
      • Helical Gear Reducer: 2 units
      • Universal Coupling: 2 pcs
      • Collection Unit: 1 set
    • Precision Straightening System
      Precision Straightening System
      • Encoder: 1 set
      • Horizontal straightening unit: 1 set
        1. 9 horizontal rolls (rear 4 sets center adjustable)
      • Vertical straightening unit: 1 set
        1. 9 vertical rolls (lower 4 sets center adjustable)
      • Bearing brand: NS
    • Drawing Unit
      Drawing Unit
      • Drawing frame: integral cast structure, 1 unit
      • Main reducer and coupling: 1 set (gear material: 20CrMnTi, ground gears), dual cam system and main drive shaft: 1 set
      • Drawing carriage and sliding guide rail: 1 set
      • Die holder: outer and inner die holders, 1 set (servo motor adjustable; operation positions at drawing machine and shearing machine, both operable), with hydraulic pushing device
      • Lubrication system: 1.5 kW three-phase electric pump, A5.7 Wuxi Pioneer DC motor: 1 unit
      • Bearing brand: NSK
    • Hydraulic Shearing Machine
      Hydraulic Shearing Machine

      (Four-direction electric adjustment on drawing unit, die frame digitally adjustable)

      • Pinch roll device: 1 set
      • Shearing carriage unit: 1 set
      • Cutting mechanism (wear parts): 1 set
      • Length measuring system: 1 set
      • Servo motor and reducer: 1 set
      • Hydraulic station: 1 set
      • Bearing brand: NSK
    • Pre-straightening Machine
      Pre-straightening Machine
      • Vertical straightening unit: 7 straightening rolls
      • Horizontal straightening unit: 7 straightening rolls
      • Bearing brand: NSK
    • Guide Rack
      Guide Rack
      • Guide tube assembly: 1 set
      • Base frame: 1 set