Combined drawing lines for round, square, hexagonal, and special-shaped bars
I. Product Description
Combined drawing lines for round, square, hexagonal, and special-shaped bars. Starting from safe loading of the uncoiler through to the finished bar bundle, our engineers ensure your line components are perfectly tailored to your specific requirements. Depending on your application, you can choose from two types of continuous drawing systems: conventional cam-type drawing machines and chain track drawing machines.
our line of drawing units, renowned for their standout features such as unparalleled reliability, remote die control under load, and high drawing speeds. Also available for you are high-precision flying shears, straightening and polishing machines, bar end processing units, and inspection equipment. You can also integrate other systems for descaling, packaging, etc.
1.1 Vertical Uncoiler
It consists of a vertical feeding rack and a traction mechanism.
a. The vertical discharge rack is composed of a support seat, a rotating mechanism, a material rack, and a hydraulic system. Can be tilted 90 degrees.
b. The traction mechanism consists of a material clip device, a traction mechanism, an active pressing wheel, a stopper wheel and a hydraulic system. The material is gripped and pulled by the traction mechanism to the driving roller.
1) Traction motor power: 2.2Kw
2) Pressure roller configuration: 4 pieces; pressure roller and stopper wheel material: Cr12MoV; pressure roller motor power: 4Kw (frequency conversion speed regulation)
3) Pinch motor power: 3 Kw; Number of pinch wheels: 4
1.2. Pre-straightening machine
The pre-straightening machine which before the shot blasting machine consists of a well-shaped guide frame, a pinch wheel, a horizontal straightening unit and a vertical straightening unit. Horizontal straightening unit and vertical straightening unit are distributed in 3/4 without power. The material of the straightening wheel is Cr12MoV with surface hardening treatment, and the hardness is HRC58-62.
1.3. Initial straightening machine
The Initial straightening machine consists of a well-shaped guide frame, a pinch wheel, a horizontal straightening unit and a vertical straightening unit. Horizontal straightening unit and vertical straightening unit are distributed in 3/4 without power. The material of the straightening wheel is Cr12MoV with surface hardening treatment, and the hardness is HRC58-62.
1.4. Automatic extrusion machine
The head squeezing machine is composed of 2 oil cylinders, a clamping trolley, a hydraulic station, and a fuselage. The clamping trolley clamps the blank, and then the cylinder is pushed by two oil cylinders to squeeze the blank into the mold.
II. Technical parameter
| No. | Description | Parameters |
| 1 | Max. drawing force | 200 KN |
| 2 | Drawing speed | 5~35 m/min |
| 3 | Process material | Carbon steel, Alloy steel, Stainless steel |
| 4 | Finished product | Round bar: Ø15-Ø36mm
Hexagonal bar: H15mm-H31mm |
| 5 | Finished length & tolerance | 2.5-7.0m(±5mm) |
| 6 | Surface roughness | Ra0.8-Ra1.6μm |
| 7 | Straightness | Round bar ≤0.3mm/m |
| 8 | External diameter tolerance | ±0.02mm |
| 9 | Totoal power | 330KW(main machine: 200KW) |
| 10 | Electric power source | 3Phase/380V/50Hz |
| 11 | Air pressure | 0.4MPa±0.1MPa |
| 12 | Total weight | 60 tons |
III. Reference pictures
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Hexagonal Bar Combined Drawing, Straightening And Cutting Machine Images
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