CNC Pipe Threading Machine for Sale

What is A CNC Pipe Threading Machine?

TSINFA CNC pipe threading machine is a type of CNC machine tool specifically designed for thread processing of pipes and bars. It performs high-precision and high-efficiency standardized turning on the external and internal threads of pipes through digital programs, which is particularly suitable for fields such as oil and natural gas, meeting your needs for precise processing.

• Working Principle: The core working principle of the CNC pipe threading machine is that when you input the processing parameters into the CNC system, the system will drive the spindle chuck to hold the workpiece and rotate at a constant speed, and at the same time control the hard alloy tool on the tool rest to make precise movements according to the preset program. Through the combined cutting of workpiece rotation and tool movement, precisely accurate threads are formed on the pipe surface in a single pass.

Standard Components of CNC Pipe Threading Machines

CNC System

The CNC system is the core of the entire equipment. It is responsible for receiving and parsing the processing program code, precisely calculating and issuing instructions, coordinating and controlling all the movement axes and auxiliary functions of the machine tool such as the cooling pump and chuck, to ensure the high precision and automation of thread processing.

• Numerical ControlSystem Operation Panel: It usually integrates a display screen, an operation keyboard and a hand-cranked pulse generator, which allows you to input and edit processing programs, set parameters, manually control machine tool actions, and you can also monitor the equipment operation status and processing progress in real time.
• Basic Cables and Pipelines: They include main power cables, drive motor power lines, system control signal lines, and hydraulic oil pipes, coolant pipes. They are responsible for supplying power to each component, transmitting control instructions and transporting working media, which ensures the stable operation of the machine.
• Data Transmission Equipment: It usually refers to USB interfaces, built-in network interfaces, which are used to quickly and reliably transfer the processing programs written offline to the internal memory of the machine tool.

Tool Post

The tool post is a key executive component of the CNC pipe threading machine. Under the instructions of the CNC system, it can precisely position the required tool to the processing position by moving, so as to achieve continuous and automated processing of multiple processes such as internal and external threads and end faces.

Chuck

The chuck is a device installed on the spindle for directly clamping and fixing workpieces, and it is usually hydraulically driven. It generates a powerful clamping force through its radial claws, which ensures that the pipe or bar stock remains firmly positioned under the action of high-speed rotation and cutting force. This is an indispensable accessory for ensuring processing accuracy.

Tailstock

The tailstock is usually installed on the bed guide rail. It can move forward through the movable center on its top and press against the other end of the workpiece, effectively preventing the workpiece from bending deformation and vibration due to its own weight or cutting force, and ensuring the straightness of your long workpiece processing.

Coolant Pump

The cooling pump is responsible for continuously pumping the coolant out of the storage tank and precisely spraying it through pipelines and nozzles into the cutting area between the tool and the workpiece. It plays a crucial role in cooling the tool, reducing the temperature of the workpiece, washing away the chips and extending the service life of the tool.

Pad Iron

Pad iron is fundamental components for the installation and leveling of machine tools, usually placed between the machine tool bed feet and the foundation. It can precisely level adjust the machine tool by regulating the bolts on the shims to compensate for the unevenness of the foundation, ensuring that the machine tool operates stably with the best precision and preventing the processing quality of your products from being affected by settlement or deformation.

Chip Conveyor

Chip conveyors are usually of spiral or chain plate structure and are devices responsible for the automatic cleaning of chips. It can automatically transport the metal chips generated during the processing from the working area to the chip collection vehicle, keeping the working area clean and reducing the workload of manual cleaning, which is conducive to the recycling and reuse of cutting fluid.

Center Frame

The center rest is fixed on the bed guide rail. The multiple adjustable support claws on it can hold the workpiece tightly from the middle position and, in cooperation with the tailstock, provide additional intermediate support points for long workpieces. This accessory greatly enhances the rigidity of the system and prevents the workpiece from vibrating or deflating during processing.

Performance Characteristics of the CNC Pipe Threading Machine

High Precision and Consistency

TSINFA CNC pipe threading machine can precisely control the tool path and spindle speed, ensuring that the thread size, taper and thread profile accuracy processed fully comply with international standards such as API and ANSI. Moreover, once the CNC operating system program is set, threads with exactly the same precision can be repeatedly processed infinitely, and its quality stability far exceeds that of manual processing.

High Efficiency

Our CNC pipe threading machine integrates functions such as automatic clamping, turning, and tool insertion and retraction. It achieves continuous processing through multi-station tool turrets without the need to change tools during the process. Compared with traditional lathes, its processing efficiency can be increased several times, making it particularly suitable for batch pipe prefabrication production and significantly shortening the delivery cycle for you.

Flexibility

Our CNC pipe threading machine features a spindle with low speed and high torque, which can easily handle high-hardness materials such as carbon steel, stainless steel and alloy steel. By replacing its jaws and adjusting the CNC machining program, it can adapt to the processing of different diameters, standards and thread types, which has very strong flexibility.

Automation

For our CNC pipe threading machine, you only need to clamp the workpiece and adjust the preset program. The complex tool setting and tool path calculations in production are all completed by the numerical control system. This high degree of automation significantly reduces the technical dependence on operators and lowers the scrap rate caused by human errors.

Durability and Stability

The main body of our machine tools is made of high-strength cast iron, which has a solid structure and strong shock resistance, ensuring that your products remain stable under heavy cutting conditions. The key components such as the main shaft and lead screw are all precisely manufactured and heat-treated, which ensures the long-term precision of your product while extending its service life.

Safety

Our CNC pipe threading machines are usually equipped with fully enclosed protective covers, safety interlock doors and emergency stop buttons, which can effectively isolate cutting fluid and high-speed splashing iron filings, providing you with comprehensive safety protection.

How to Choose the Right CNC Pipe Threading Machine?

Clarify Processing Requirements

• Processing Object: You need to determine the material and specification of the pipe to be processed, including the hardness, the maximum and minimum processing diameters and length of the material. This directly determines the power, torque and basic dimensions required by the machine tool.
• Machining Accuracy: The type of thread you need to process determines the precision grade required by the machine tool. Based on this, select the equipment control system and mechanical configuration.
• Output: Determine whether to integrate high-end automation functions in the initial machine configuration based on whether your production scale is small batch with multiple varieties or large batch with a single variety.

Performance Parameters

• Spindle System: The through-hole diameter of the spindle must be larger than that of the workpiece. Its rotational speed and torque range need to match the material properties you plan to process to ensure that the machine tool has sufficient cutting capacity and flexibility.
• Numerical Control System: Our CNC pipe threading machine is equipped with a well-known brand numerical control system, which can ensure processing stability, programming convenience, and reduce your later maintenance costs.
• Tool Rest: The number and type of tool rest determine how many tools you can install simultaneously to achieve your complex processes. Quick-change tool rests can significantly reduce auxiliary time and greatly improve production efficiency.
• Machine Tool Accuracy: The positioning and repeat positioning accuracy of the machine tool directly ensures the consistency of the dimensions of each threaded product in batch processing.

Key Configuration

• Chuck: Select the appropriate chuck based on the characteristics of your workpiece. Standard hydraulic chucks have strong versatility, while spring chucks are more suitable for thin-walled pipe fittings and can effectively reduce clamping deformation.
• Support Device: The tailstock and center rest provide additional support for long pipe fittings. They can effectively prevent workpiece bending and vibration caused by cutting force, ensuring the processing accuracy of your products.
• Auxiliary Devices: Automatic tool setters, chip conveyors and high-pressure cooling systems and other auxiliary devices can significantly enhance the automation degree and production continuity, which are indispensable devices for ensuring efficient production.

TSINFA offers prompt installation, commissioning and maintenance services. If you need a CNC pipe threading machine, please contact us for a quotation!

Applications of CNC Pipe Threading Machines

Oil and Gas Industry

This is the most core application field of the CNC pipe threading machine. We specialize in processing connection threads for key components such as drill pipes, casing, and oil pipes for oilfield drilling and production as well as long-distance pipelines. We can ensure that the threads of each pipe string have extremely high precision, strength and sealing performance to withstand the high pressure, high torque and complex loads deep underground, and guarantee the safety of the entire mining and transportation system.

Energy Construction Field

In energy projects such as nuclear power plants, CNC pipe threading machines are responsible for processing various pipe fitting threads of high-pressure steam pipelines and auxiliary systems. These threaded connections must be able to maintain absolute sealing for a long time under extreme working conditions of high temperature and high pressure, ensuring the stable operation of the power station and preventing safety accidents and efficiency losses caused by medium leakage.

Chemical Industry

In chemical plants, this equipment is used to process the threads of process pipelines and equipment joints that convey corrosive, toxic or flammable media. The quality of the threads it processes is directly related to the leakage safety of the entire production facility. This application field requires CNC pipe threading machines to be capable of turning high-quality thread sealing surfaces on corrosion-resistant materials such as stainless steel and alloy steel.

Architecture Field

Our CNC pipe threading machine can process prefabricated pipe threads for central air conditioning and fire protection systems in large Spaces such as super high-rise buildings and sports venues, as well as precision connection threads for pipe trusses and pillars in large steel structure buildings.

Marine Engineering Field

The CNC pipe threading machine can process the connection threads of fuel oil, lubricating oil, ballast water pipelines on ships and submarine transportation pipelines. These threads strictly comply with the standards of classification societies of various countries and can resist the corrosion of the marine environment and the alternating stress caused by the continuous shaking of the hull, ensuring navigation safety.

Construction Machinery Field

Our CNC pipe threading machine can precisely process the connection threads of oil cylinders and oil pipes for high-pressure hydraulic systems of construction machinery such as excavators and cranes. These threads can still ensure the sealing performance of the hydraulic system under continuous high-pressure pulses and severe vibration environments.