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Three Ribs Cold Rolling Ribbed Bar Machine

The RKM three ribs cold rolling ribbed bar machine is a fully automatic device developed specifically to meet the processing needs of high-performance, high-strength steel bars. Cold-rolled ribbed steel bars are steel bars with crescent-shaped transverse ribs on three sides formed by cold-rolling to reduce the diameter, press ribs, and eliminate internal stress. Precise PLC programming control solves the problems of large errors and unstable accuracy found in traditional equipment.

Cold-rolled three-rib steel bar is a new type of high-efficiency and energy-saving steel widely used in industry, construction, highways, bridges, subways, dams, and other industries.

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Technical Data:

ModelRKM-10000TRKM-20000TRKM-30000T
Wire diameter3.7-8mm/3.7-10mm4-12mm4-12mm
Max. speed90-120m/min120-150m/min150m/min
Drawing motor55kw75kw55kw-55kw
Coiling weight1T/2T/3T option1T/2T/3T option1T/2T/3T option
Speed adjusting wayFrequency inverterFrequency inverterFrequency inverter
Straightening motor11kw15kw15kw
Cutting motor3kw11kw11kw
Cutting lengthMax. 6mMax.12mMax.12m
Cutting wayMechanical cuttingServo flying cuttingServo flying cutting
Cut off error±1mm±5mm±5mm
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Steel Rebar Production Line includes the following:

  • Pay-off Stand
  • Phosphorus Removal Machine
  • Lubricating Machine
  • Reducing Machine
  • Rib Pressing Machine
  • Winder
Steel-Rebar-Production-Line-Layout-picture

Wire Pay-off Stand

  • The Wire Pay-Off Stand is an auxiliary equipment used in wire processing. It is mainly used to support and release the wire to ensure its smooth release during the production process.
  • The wire pay-off stand is usually made of a sturdy steel structure, which can withstand a large load and ensure long-term stability. The maximum load-bearing capacity is 2T.
  • Its core function is to gradually release the wire wound on the reel and feed it into the production line at a steady speed to avoid stretching or winding of the wire, thereby ensuring a smooth production process.
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Wire Guide Bracket

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The wire guide bracket is mainly used to store and guide wires to avoid entanglement, stretching, or damage and ensure that wires can smoothly enter the next process during production. The wire feeding cage is usually made of solid steel or other durable materials and has a simple and efficient structure.

Mechanical Descaler

The descaler is a mechanical device specially used to remove rust, oxide, and iron from the surface of steel bars or other steel materials. The device effectively removes impurities on the surface of steel materials through mechanical friction, restores its smooth original surface, and provides a high-quality substrate for subsequent processing or use.

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Lubrication System

three-ribs-cold-rolling-ribbed-bar-machine-lubrication-system

Lubricant Powder is placed in the lubrication system and is an indispensable auxiliary material in the drawing process of metals such as steel wire and steel bars.

  • During the metal drawing process, the lubricant Powder forms a uniform lubricating film to reduce the friction between the metal and the drawing die, thereby reducing energy consumption and equipment wear during drawing.
  • The high temperature generated during the drawing process will affect the material properties and the life of the processing equipment. The lubricant Powder can effectively absorb and dissipate heat to ensure the stability of the drawing process.
  • Lubricant Powder can cover the metal surface to prevent metal oxidation or external corrosion, reduce material surface defects, and improve the quality of the finished product.

Reducing Machine

The reducing machine can accurately draw the original round wire into an oval wire with a smaller diameter.

The reducing machine reduces its diameter and adjusts the cross-sectional shape while maintaining the mechanical properties and surface quality of the wire. The oval shape of the wire after diameter reduction helps to optimize its flow into the rib rolling system and further processing into ribbed steel bars.

Three-Ribs-Cold-Rolling-Ribbed-Bar-Machine-Reducing-Machine

Three-Rib Rebar Ribbing Machine

three-rib-rebar-ribbing-machine-picture

The oval steel bar can be formed into three uniform and regular ribs on the surface of the steel bar by the Three-Rib Rebar Ribbing Machine.

Through a specific roller combination (the mold is made of alloy, which is hard and not easy to damage), the surface of the round steel bar is processed into a three-rib shape, thereby improving the bonding force between the steel bar and the concrete, ensuring the stability and bearing capacity in the concrete structure.

Three-rib Cold Rolling Mold

The three-rib cold rolling mill uses tungsten carbide rolls. The rolls have the following characteristics: high hardness, high wear resistance, long life, clear rib shape of the product, accurate size, beautiful appearance, improved strength and comprehensive performance of the steel bars. High-hardness materials can reduce the number of mold replacements, improve production efficiency, and reduce production costs.

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Automatic Rebar Coiling System

The Automatic Rebar Coiling System is used in the steel bar production line. Its main function is to automatically coil the drawn or rolled steel bars into coils for easy storage and transportation. Automated control ensures the steel bar winding process’s efficiency, accuracy, and stability, reduces manual operations and improves production efficiency.

three-ribs-cold-rolling-ribbed-bar-machine-automatic-rebar-coiling-system

Straightening and Cutting System

The Servo Flying Shear System completes the straightening and fixed-length cutting of three-rib steel bars with fast speed and precise cutting, ensuring the stability of cutting length and section quality.

The Servo Flying Shear System is mainly composed of a servo drive, shearing tool, synchronous control system and automatic adjustment device. Through the high dynamic response capability of the servo motor, the system can adjust the cutting rhythm in real time according to the material running speed to achieve synchronous shearing, thereby avoiding the decline in production efficiency caused by stopping or slowing down of traditional shearing equipment.

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three-ribs-cold-rolling-ribbed-bar-machine-material-discharge-rack
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Three Ribs Cold Rolling Ribbed Bar Machine Video

Three Ribs Cold Rolling Ribbed Bar Machine Photos

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three-ribs-steel-rebar-production-line

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three-ribs-cold-rolling-ribbed-bar-production-line-picture

three-ribs-cold-rolling-ribbed-bar-production-line-picture

three-ribs-cold-rolling-ribbed-bar-machine-picture

three-ribs-cold-rolling-ribbed-bar-machine-picture

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Three Ribs Cold Rolling Ribbed Bar Machine FAQ

The three-ribs cold rolling ribbed bar machine is a device specially used for processing two ribbed steel bars. It is used to roll the steel bar surface to form a crescent shape to improve the bonding between the steel bar and concrete, thereby enhancing the stability of the building structure.

Processing on the surface of the steel bar to form a crescent shape.
Straightening and cutting the steel bar to a fixed length, or forming a coiled steel bar.
Improving the tensile strength and adhesion of the steel bar.
Mainly used for steel bar production in construction projects, such as steel bar processing required for bridges, tunnels, high-rise buildings, and other projects.
Suitable for processing light round steel bars or low-carbon steel bars of different specifications.

The ribbed steel bar machine applies pressure to the steel bar through a set of rolling dies (rollers with ribs) to produce crescent-shaped patterns on the surface of the steel bar, straighten and cut into steel bars according to customer requirements, or form coiled steel bars.

Strong bonding with concrete: the ribbed design can significantly improve the anchoring performance of the steel bar.
High tensile strength: The tensile strength of the processed steel bars is about 30% higher than that of ordinary round steel bars.
Excellent anti-slip performance: Suitable for various concrete structure projects.

Regularly replace the rolling mold to ensure processing accuracy.
Adjust the appropriate rolling pressure to avoid over- or under-processing.
Use raw materials (round steel bars) that meet the standards.
After processing, spot-check the steel bars to test the rib depth and tensile strength.

RKM Professional Services:

RKM-Three-Ribs-Cold-Rolling-Ribbed-Bar-Machine-Factory-price
  • Customizable according to customer requirements.
  • Provide a three-rib cold rolling ribbed bar machine layout diagram.
  • Provide a video of the installation of the three ribs cold rolling ribbed bar machine, a debugging video, and operating instructions.
  • Provide online support and talk with engineers anytime to solve problems.
  • Provide overseas support (dispatch professional engineers overseas for installation and debugging, free training of workers)
  • Arrange return visits regularly to check the operating status of the three ribs cold rolling ribbed bar machine and solve problems in advance.

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In addition to the production of three ribs cold rolling ribbed bar machines, the RKM factory also offers a wide range of accessories and customization options for your machines.
Modular production lines increase your automation level.

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