Cnc rolling machine

Types of CNC rolling machines

A CNC rolling machine is a machine that uses numerical control to roll metal plates into curves or other shapes. Many forms have emerged as technology has advanced.

• CNC hydraulic rolling machine

  The CNC hydraulic rolling machine uses a hydraulic system to provide power. With the help of hydraulic pumps and cylinders, it can bend thin and medium-thickness metal plates. This machine has a large bending capacity and is suited for processing thicker metal materials.

• CNC electronic rolling machine

  The main drive system of the CNC electronic rolling machine is an electric motor. This machine usually possesses torque control and other functions. It is suitable for operating conditions that are not humid and for processing metal plates of small and medium thickness.

• CNC three-roller rolling machine

  The fundamental structure of the CNC three-roller rolling machine is three cylinders. The upper and lower rollers are in a horizontal state, while the front and back rollers are in a vertical state, which looks like a Cross shape. It is suitable for rolling metal plates into round workpieces. Meanwhile, it has an excellent advantage in processing efficiency and is suitable for large-scale production.

• CNC four-roller rolling machine

  The CNC four-roller rolling machine is a machine equipped with a four-roller system. It can automatically feed, adjust the angle, and roll the workpiece. Its precision is very high and can meet complex plate rolling requirements.

Specifications and maintenance of CNC rolling machines

Specifications

• Thickness capacity: The thickness capacity indicates the range of material thickness that a rolling machine can effectively handle. Depending on the specific model, this capacity might run from thin gauges to hefty plates.
• Width capacity: The width capacity specifies the maximum width of the material that the rolling machine can accommodate. Machines with a larger width capability are able to roll bigger sheets as well as plates.
• Rolling speed: The rolling speed indicates how fast the CNC rolling machine could process materials. It is usually specified in revolutions per minute (RPM). A higher rolling speed can improve productivity but may require a more powerful machine.
• Power: Power refers to the amount of energy required to operate the rolling machine. It is usually measured in kilowatts (kW) or horsepower (HP). The machine's power determines its capacity to handle thick and wide materials and its rolling speed.
• Control system: The control system of a CNC rolling machine determines the level of automation and precision. Some machines have a simple analog control panel, while others have a computerized numerical control (CNC) system that allows for precise programming and control of rolling parameters.

Maintenance tips

• Clean and lubric: Clean the machine with mild soap and warm water. Do not use harsh chemicals that would damage the finish. Always read and follow the manufacturer instructions before cleaning the machine. After cleaning, make sure to lubricate all moving parts and components of the machine to ensure smooth operation. This helps to prevent premature wear and damage over time. Lubricate the machine components periodically as required by the manufacturer.
• Check for loose parts: Regularly inspect the entire CNC machine for any loose parts or components. Tighten all loose fasteners, bolts and screws to ensure stability and safety during operation. Have the rolling machine checked by professionals periodically. They have the expertise and experience to identify potential issues and address them properly. Scheduled maintenance can help the machine run smoothly.
• Maintain proper environment: Avoid exposing the rolling machine to harsh operating environments. Keep the machine away from extreme temperatures, moisture, dust, and corrosive substances. Such exposure may damage the machine and shorten its service life. Store the machine in a dry and clean place. Use appropriate covers and protective measures to shield it from environmental hazards when not in use.

Applications of CNC rolling machines

The 3D CNC bending machine has several uses in different industries because it can accurately and effectively bend various materials. Its main applications include the following:

• Manufacturing and fabrication

  CNC bending machines are widely used in metal manufacturing and fabrication workshops. The machines are used to produce complex and precise bends for various metal materials to make structural components, frames, supports, and fixtures.

• Aerospace industry

  The aerospace industry uses CNC rolling machines to work with metals like aluminum, titanium, and alloys. These durable materials are often used to make air ducts, aircraft frames, and fuel tanks, among others. This machine ensures that materials of different thicknesses are bent precisely to reduce wastage during assembly and improve product quality.

• Automotive industry

  In the automotive industry, machines like CNC hydraulic bending rolls help to bend different types of metals used in vehicle parts and systems, such as exhaust pipes and chassis components. With this machine, automotive manufacturers can achieve consistency and accuracy in bending parts, enhancing assembly efficiency.

• Architectural and construction

  A part of the architectural and construction industries, CNC rolling machines are used to bend metals to make handrails, frames, gates, and decorative elements, among other things. This machine allows for the precise bending of architectural elements, giving the project an exact and sophisticated finish.

• Marine industry

  In the marine industry, the CNC machine is used to manufacture marine vessels and components. It works with different materials (especially metals) to make parts like decks, pipelines, and hull structures. The machine contributes to efficiency and precision in shipbuilding.

• Energy and power generation

  The energy and power generation sector uses CNC bending machines to produce components such as frames, pipes, and supports for wind turbines, solar panel structures, and power plants. This technology meets the needs of high-quality and durable bends to support the development of energy infrastructure.

• Medical and healthcare

  In the medical and healthcare field, CNC bending machines are used to manufacture medical equipment and instruments, including medical trolley frames and support structures, among others. The machines ensure that the products are accurately and consistently made to meet strict healthcare standards.

• Industrial machinery and equipment

  Industrial machinery and equipment makers use CNC bending machines to make frames, housings, and support pieces. These machines make it easy to create complex parts with precision, which helps with the assembly and operation of the machines.

How to choose a CNC rolling machine

There are several factors to consider when choosing a CNC roll machine. These include the capacity and dimensions, as well as the various features and configurations of the machine.

• Capacity and dimensions:

  The capacity of the CNC rolls depends on the maximum thickness and width of the plate it can handle. It can roll plates between 3/16' to 7' and widths between 4' to 10'. Also, note the diameter of the rolls. Generally, the bigger the plate diameter, the bigger the machine's roller will be. A roller with a huge diameter can easily bend plates into bigger arcs.

• Mechanical features:

  The core parts of the machine have to be sturdiest and most precise to withstand heavy-duty use. Check to see the materials and machining of the three rollers - the two bottom rollers and the top roller. The bottom rollers are typically made of alloy steel and have high surface hardness and strength. The top roller can be forged steel or cast iron.

• Electrical features:

  A big factor in the precision and automation of the CNC rolling machine is its electrical features. The controller of the machine sets the digital parameters for rolling plates precisely. It can be a computer or an electronic control box with a user-friendly interface. Depending on the model, the control box may or may not be programmable. A digitally controlled machine will have preset programs for different shapes and sizes.

When buying a CNC roll machine, it's essential to choose a trusted manufacturer. It's best to buy from suppliers who provide a complete production line and offer full technical support to their customers. Check out the reviews to see if the service is responsive and reliable. Many roll machine manufacturers also have custom services for businesses who need to brand and sell their products.

Q&A

Q1: Which materials can a CNC rolling machine handle?

A1: Generally, machines can roll different materials, including metal plates, pipes, and other sheet materials. Nonetheless, the rolling machine's capacity may vary depending its design, specifications, and parameters.

Q2: Can a CNC rolling machine create spiral shapes?

A2: Yes, a CNC rolling machine can create spiral shapes. By adjusting the gap between the top rolling and bottom roller, as well as the displacement of the side roller, the sheets can be bent into a spiral shape gradually.

Q3: What are the advantages of a CNC rolling machine over manual rolling machines?

A3: The machine has many advantages. They include higher bending accuracy, better consistency, and efficiency. Furthermore, the machines are easier to operate and control than their manual counterparts.

Q4: Is the CNC rolling machine reversible after bending the material?

A4: In most cases, the material cannot be reversed after bending it. This is because the material undergoes elastic-plastic deformation. Therefore, while the material may revert to its original shape elastically, it will not do so plastically.

Q5: Can a CNC rolling machine bend irregular shapes or profiles?

A5: Typically, a CNC rolling machine is designed to roll sheets and irregular materials. Nonetheless, some advanced machines can be equipped with special attachments to roll complex profiles. These include materials such as T-shaped, U-shaped, or angled materials.