Hebei Juliang Technology Co., Ltd. is one of the leading manufacturers and suppliers of cnc sheet 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.

What This Machine Is

A CNC Sheet Cutting Machine is a computer-controlled system that uses either a plasma arc or an oxy-fuel flame to cut through steel plates. That's the basic definition. But in a fabrication shop, it means something simpler: you design a part on your computer, load the file, and the machine cuts it out of a steel plate. No templates. No chalk lines. No cutting by hand and hoping it fits.

These machines typically support both plasma and flame cutting in one unit. Plasma handles thinner and medium-thickness steel quickly. Flame cutting takes over when you need to cut thick plate – up to 150mm or more. You switch between the two depending on the job.

Daily Maintenance Checklist

Plasma Consumables: Inspect electrodes, nozzles, and swirl rings each day. Replace them when you notice a decline in cut quality. It's also wise to keep extras on hand.

THC: Confirm its proper function before starting any job, ensuring it's operational before production begins.

Air Supply: Remember to drain the air system daily, as moisture is the primary cause of equipment failure. Do this every morning.

Gas Lines: Check these for any leaks. Escaping gas not only poses a safety risk but also leads to unnecessary expense.

Guide Rails: Clean and lubricate these weekly.

Log your arc-on time. Replace consumables when you observe a visible change in cut quality.

Understanding Flame Cutting

Flame cutting, or oxy-fuel cutting, involves heating steel with a gas torch (using oxygen and a fuel like acetylene or propane) until it ignites. A jet of oxygen then oxidizes the metal and blows it away.

This method is excellent for thick steel. Plasma cutting typically maxes out at 35–40mm, but flame cutting can readily manage thicknesses from 5mm up to 150mm and beyond. It's a slower process, moving at about 0.1–1 m/min, but it's the only practical solution for very thick metal plates.

Flame cutting operates solely on gas, needing no electricity for the actual cutting. It results in a clean, square cut on carbon steel, leaving a heat-affected zone that may need preparation prior to welding.

It's possible to equip the machine with both plasma and flame torches on the same gantry. This setup lets you utilize plasma for thinner sheets and flame for thicker plates – one machine, two distinct cutting capabilities.

Installation and Setup

When your CNC Sheet Cutting Machine arrives, it comes in several modules. Here's a quick rundown of what to expect.

Preparation:

Space: Make sure the floor is level; concrete is ideal.
Power:You'll need 110V or 220V single-phase power.
Compressed Air:For the plasma, ensure it's clean and dry, as moisture can quickly damage consumables.
Gas Supply:You'll need oxygen and fuel gas for flame cutting.

Assembly

The track sections bolt together to match your desired cutting length.
The gantry then mounts onto the rails.
We'll install the plasma and flame torches, along with the torch height controller.
Expect this part to take about half a day, with remote assistance.

Connections

Connect the power, plasma source, and air supply.
Hook up the oxygen and fuel gas lines for flame cutting. Once everything's connected, power it on, let the axes home, and check that motion is working correctly.

Software

Install the nesting software on your computer.
You can import your CAD files or use the built-in shape library.
Transfer your jobs to the machine using a USB drive.
Set your cutting parameters for both plasma and flame.

Test Cuts

Perform test cuts on scrap material using both plasma and flame.
This is where you'll fine-tune your parameters and the torch height controller.

All in all, plan for about a full day from the machine's arrival to your first production cut, provided your site is fully prepared.

FAQ

01.How long until I get it?

Standard configurations ship in 20–45 working days from order confirmation. Custom setups – larger tables, higher power – may take 25–45 days. We'll confirm the date when you order.

02.Can this CNC Sheet Cutting Machine handle stainless steel and aluminum?

Yes, with plasma. Stainless steel and aluminum are conductive, so plasma cuts them effectively. You'll need different gas settings for stainless than for mild steel. Flame cutting is limited to carbon steel; it cannot cut stainless or aluminum.

03.Do I need to be a CNC expert to run one?

No. The control system has a touchscreen HMI designed for shop floor operators. If you can use a smartphone, you can learn this interface in a day. The nesting software is more complex – you'll need someone who can use CAD and understands nesting basics – but that's a skill you can learn or hire for. Most shops have one person handle programming and everyone else handles operation.

04.What kind of support after I buy?

Remote training during installation. We cover operation, maintenance, and troubleshooting. Remote video support for issues. Spare parts stocked and ship within 24–48 hours.