Tube Intersection CNC Cutting Machine
Metal pipe Intersecting lines are the primary structural form for connecting steel tubes/pipes and plates in offshore oil engineering. The quality of intersecting line cutting directly impacts the bonding strength of jackets and blocks, so precise cutting is critical to avoid welding defects.
Traditional Manual Intersection Line Cutting and weak points
- Traditional manual intersection line cutting refers to a labor-intensive process for cutting intersecting lines on steel pipes/plates, commonly used in structural engineering. Its core steps are:
- Staking out the locus: Manually calculate and mark the intersecting line path on the workpiece.
- Template making: Create a physical template to guide the cutting path.
- Marking: Transfer the template's outline to the pipe/plate surface.
- Hand cutting: Use flame or plasma torches to cut along the marked line.
- Grinding: Smooth rough edges after cutting.

Weak Points of Traditional Manual Cutting
- Low efficiency: The multi-step process (calculation, templating, marking) is time-consuming, limiting production speed.
- High labor intensity: Manual operations require sustained physical effort, increasing worker fatigue.
- Poor precision: Human errors in marking or cutting often lead to uneven notches, resulting in welding defects (e.g., gaps, misalignment) during assembly.
- Inconsistent quality: Results depend heavily on worker skill, leading to variability in cut accuracy and surface finish.
- Waste: Suboptimal cutting paths or errors may cause material waste and rework.
Traditional Manual Intersection Line Cutting method is gradually being replaced by CNC (Computer Numerical Control) intersecting line cutting, which addresses these issues through automation, precision, and efficiency.
Here introduces both devices from four dimensions-structure, capabilities, advantages, and disadvantages-to optimize resource allocation and boost production efficiency.
Features of Tube Intersection CNC Cutting Machine
The tube intersection CNC cutting machine CNC cutting machine is designed for cutting low-carbon steel, stainless steel pipes, etc., with high efficiency, precision, and automation.
- Structure: Composed of a movable rack, power rotary head, and cutting torch. The movable rack balances the running rail and bracket to enhance cutting precision. The power rotary head drives the chuck to rotate the pipe, while the cutting head can yaw axially and radially. Multi-axis linkage controls the cutting path for steel tubes.

- Advantages: High production efficiency, low labor intensity, and precise cutting (accurate notches reduce post-cut grinding). The CNC console guides the torch via input parameters; only torch height, flame speed, and machine size need adjustment for continuous cutting.
- Disadvantages: Suitable for pipes Φ30-1000mm, when metal pipe diameter is less than 30mm normally has straightness issues, when diameter is above 1000mm, it is too heavy for the roller, causing cutting gaps.
Hubei MeisarCNC Make Tube Intersection line CNC Cutting Machine Features
1. The MS-T CNC pipe intersecting line cutting machine is equipment designed for the automatic calculation and cutting of joints at steel pipe middle and ends, such as Tee shape, saddle, cutting rectangular channel on main pipe, open hole on oblique crossing main pipe, multi pipes instersecting, such as following image shows.

2. The pipe intersecting line cutting machine adopts cylindrical coordinate coefficient control, with 6-3 axes and 5-2 linkages. It features an English interface, variable angle groove surface cutting function for parameter input, and functions for compensating pipeline non-roundness and eccentricity.
3.The numerical control interface of the CNC pipe cutting machine combines graphics and data. The operation is very simple: the operator only needs to select the intersectional line model like above and set parameters such as the radius of the main pipe and the branch pipe, the intersection angle, and the cutting speed. As the following shape, you only need select model of Tee shape, branch pipe to main pipe angle; if you need bevel, enter pipe wall thickness and angle:

Hubei MeisarCNC Make Tube Intersection line CNC Cutting Machine Technical parameter
|
Number |
Item |
Parameter |
|
1 |
Effective cutting range (mm) | 6000mm-120000mm |
|
2 |
Tube diameter cutting range (mm) | Ф30~300mm, Ф60-600mm, Ф80-1000mm |
|
3 |
Input voltage | 220±10%V AC 50HZ/60HZ 220W |
|
4 |
Total power | About 1000w |
|
5 |
Rated rotation speed | 0-15rpm (can be adjusted according to customer requirements) |
|
6 |
Reset accuracy | ±0.2mm/m |
|
7 |
Pipe Ovality | ≤2% |
|
8 |
Running accuracy | ±0.2mm/m |
|
9 |
Number of CNC controlled axes | 6 axis 5 linkage, 3 axis 2 linkage, 4 axis 3 linkage, 5 axis 4 linkage Etc |
|
10 |
Chuck size | 300#, 500# |
|
11 |
Cutting torch lifting stroke | 130mm--400mm |
|
12 |
Maximum tube weight | 1500KG |
|
13 |
Plasma cutting thickness | Depending on the size of the plasma power source selected by the user |
|
14 |
Flame uses gas form | Oxygen + acetylene / oxygen + propane |
|
15 |
Flame cutting tube wall thickness | 5mm ~ 50mm (optional) |
|
16 |
Gas pressure | ≤0.08MP |
|
17 |
Oxygen pressure | ≤1.0MP |
|
18 |
Cutting material table | Provide material table drawings |
Please contact our engineer and tell he your metal pipe diameter, wall thickness, pipe length, required welding line etc information, we will give you a reasonable machine type and cutting solution.
Tube Intersection CNC Cutting Machine cutting samples:

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