Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of gantry flame cutting machine in China. Please feel free to buy CE approved machinery made in China here from our factory. All customized machines are with high quality and competitive price.

Product Presentation

A gantry flame cutting machine is a big CNC system that uses oxy-fuel flames (like oxygen with acetylene or propane) to cut through thick steel plates. It has a strong overhead bridge, called a gantry, that travels across a cutting table. This bridge holds one or more torches that follow programmed paths. Gantries are usually 3 to 4 meters wide, and the cutting length can be extended by adding rails, sometimes up to 20 meters or more.

The cutting process involves a preheat flame to get the steel to about 870°C, then a strong blast of oxygen. This oxygen reacts with the hot metal, creating a lot of heat and blowing away the molten iron oxide. This heat keeps the cut going through thick metal. While plasma cutters only work on conductive metals, flame cutting is specifically for carbon steel and can handle thicknesses that plasma can't.

Here's a look at what the Gantry Flame Cutting Machine is all about

Cuts thick carbon steel plate:It handles plates from 5mm all the way up to 150mm thick, and some versions can even do 200mm or more. This means it's great for everything from structural beams and ship hulls to parts for heavy machinery.

Bevels for welding prep: A big plus is its ability to cut various bevels (V, K, Y, and X) right on the machine. No need for a separate step to prepare the edges for welding.

Multiple parts at once: With systems that can hold up to 12 oxy-fuel torches, you can cut a dozen parts simultaneously. This really speeds things up!

Intricate shapes: The CNC controller precisely follows designs from CAD files, cutting straight lines, curves, and complex shapes automatically.

On-site cutting: While usually set up on a workshop table, the rails can be extended to fit any plate size, allowing you to cut entire plates in one go.

The Shipyard That Saved Money

A shipyard in Southeast Asia used a mix of plasma and manual oxy-fuel torches for cutting hull plates and structural components. Plasma worked for plates up to 30mm thick, but they switched to manual torches for anything 50mm and thicker. This manual method was slow, produced uneven results, and needed experienced workers.

They then brought in a gantry flame cutting machine with four oxy-fuel torches. This machine could handle plates up to 150mm thick, cutting them all to the same high standard. With multiple torches, they could cut four pieces at once, and the CNC precision meant no more costly rework that used to happen with manual cutting.

The owner mentioned the machine paid for itself in roughly 13 months. The biggest savings came from a few key areas: less labor needed (one operator instead of four), less rework due to consistent accuracy, and less material waste thanks to better nesting. The machine operated 16 hours a day, across two shifts, always delivering great quality.

FAQ

1. Can the same machine cut bevels for weld preparation?

Yes. The gantry flame cutting machine supports bevel cutting with angle adjustment. It can cut V-bevels, K-bevels, Y-bevels, and X-bevels. Bevel angle range is typically 0–45°. This eliminates the need for a separate beveling operation after cutting.

2. What kind of training is provided?

Our technicians provide on-site training covering basic operation, setup, daily inspections, parameter adjustment, and troubleshooting. Your operators run parts under supervision before we sign off. We also provide detailed manuals and video references for ongoing training.

3. What is the warranty coverage?

One-year warranty on the full machine. We provide 24/7 remote video support. If parts are needed, we ship them and guide your team through replacement remotely. Return-to-factory repairs follow a standard process with clear communication at each step.

4. How long does installation take for a gantry flame cutting machine?

Installation takes 3–7 business days including assembly, alignment, electrical connection, gas supply setup, and commissioning. The machine arrives in sections and requires on-site assembly. Foundation preparation must be completed before the machine arrives.