QK1322 CNC Pipe Threading Lathe Machine Introduction

The QK1322 CNC Pipe Threading Lathe Machine is a heavy-duty CNC lathe specially designed for processing various types of pipe threads and large-diameter cylindrical workpieces. It is widely used in petroleum, chemical, water conservancy, geological exploration, and other industries where high-efficiency and precision pipe machining is required.

With a strong bed structure, high-torque spindle, and advanced CNC control system, the QK1322 ensures stable cutting performance and long-term accuracy. It can efficiently machine inside and outside threads, cylindrical surfaces, conical surfaces, and special-shaped parts, making it a versatile solution for pipe and casing processing.

Functions and Features of CNC Pipe Threading Lathe Machine

Main Functions

• Pipe Thread Cutting: Capable of machining internal and external threads, including metric, inch, trapezoidal, and taper threads.
• Large-Diameter Machining: Suitable for processing oil pipes, drill pipes, casings, and other large cylindrical workpieces.
• Turning Operations: Supports cylindrical, conical, grooving, and end-face machining.
• Boring and Drilling: Allows for internal hole processing of long pipes.
• Automatic Control: CNC system ensures stable operation, accurate repeatability, and automatic threading cycles.

Key Features

• Large Spindle Bore: Designed for pipe machining, allowing large workpieces to pass through the spindle.
• High Rigidity Bed: Heavy-duty bed structure ensures stability and accuracy during heavy cutting.
• Powerful Spindle Motor: High torque output to handle demanding cutting conditions.
• Hardened and Ground Guideways: Enhances precision and extends machine service life.
• Flexible CNC Systems: Compatible with FANUC, Siemens, GSK, KND, and other controllers.
• Optional Hydraulic Chuck & Steady Rest: Improves clamping and support for long or heavy pipes.
• Reliable Cooling System: Ensures efficient heat dissipation and continuous machining performance.
• Wide Application: Used in petroleum, chemical, water conservancy, geological exploration, and machinery manufacturing industries.

QK1322 CNC Pipe Threading Lathe Technical Specifications

Applications of CNC Pipe Threading Lathe Machine

The CNC Pipe Threading Lathe Machine is specially designed for pipe processing and is widely used across industries that require accurate and efficient thread cutting for large-diameter workpieces.

Main Application Industries

• Petroleum Industry: Processing oil pipes, drill pipes, casings, and tubing threads.
• Natural Gas Industry: Manufacturing and repairing gas transmission pipes and threaded joints.
• Chemical Industry: Machining threaded pipes and fittings for chemical equipment and pipelines.
• Water Conservancy & Hydropower: Producing threaded pipe components for water supply systems, dams, and hydropower stations.
• Geological Exploration: Machining drill rods, exploration pipes, and connecting threads.
• Mining Industry: Processing heavy-duty threaded parts for mining equipment and pipelines.
• Shipbuilding & Marine Engineering: Manufacturing threaded joints and pipe fittings used in ships and offshore platforms.
• Construction & Infrastructure: Producing threaded pipes for structural supports, piles, and industrial piping systems.
• Machinery Manufacturing: Machining large threaded workpieces, couplings, and shafts.
• Energy Equipment: Processing components for oilfield machinery, wind power equipment, and thermal power plants.

QK1322 CNC Pipe Threading Lathe – Standard and Optional Configurations

Standard Configurations

• Heavy-duty flat bed structure designed for pipe threading
• Large spindle bore (Φ220mm) for oil pipes and casings
• Manual three-jaw chuck (Φ500 front & rear, self-centering)
• FANUC Oi TF CNC control system
• High-torque 11kW spindle motor
• Hardened and ground guideways for durability
• Manual tailstock with MT6 taper sleeve
• Cooling pump and lubrication system
• Work light and protective enclosure
• Threading cycles for metric, inch, trapezoidal, and taper threads

Optional Configurations

• Hydraulic 3-jaw or 4-jaw chuck
• Hydraulic or servo tailstock
• Steady rest and follow rest for long pipes
• Automatic chip conveyor
• Spindle oil cooler
• Pneumatic or hydraulic clamping system
• Extended bed length for longer workpieces
• Siemens, GSK, or KND CNC control system
• Measuring probes for thread accuracy detection
• Bar feeder for high-efficiency pipe production

How to Ensure Thread Accuracy?

The QK Series CNC Pipe Threading Lathe is designed to deliver high-precision and consistent threading results. Thread accuracy is ensured through a combination of:

• CNC System Automatic Control – guarantees precise feed and cutting synchronization.
• Steady Rest Support – provides stable clamping for long or large-diameter pipes, reducing vibration.
• Probe Detection – real-time monitoring and feedback for thread dimensions and quality.

This integrated solution ensures reliable performance even in high-demand industries such as oil, gas, and heavy machinery manufacturing.

CNC Pipe Threading Lathe – What is the Maximum Spindle Bore Diameter?

The QK Series Pipe Threading CNC Lathe offers flexible spindle bore options to accommodate a wide range of pipe sizes:

Standard Sizes: Φ190 mm, Φ220 mm, Φ320 mm

Custom Options: Larger bore diameters available upon request for non-standard or oversized pipe processing.

With its large spindle bore design, the machine can easily handle heavy-duty pipe threading tasks, making it ideal for oil pipelines, natural gas transmission, and chemical equipment manufacturing.