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An air plasma cutting machine turns ordinary compressed air into a 20,000 °C plasma jet that melts and blows metal out of the kerf. No oxygen, no acetylene, no pre-heat — and it cuts stainless steel and aluminium that a gas torch cannot. The FINELINE 120 does this at up to 120 A with an IGBT inverter, so the arc is stable from 20 A on thin sheet to full current on 30 mm plate.
It is built for the fabricator who cuts by hand today and wants to automate later: the CNC interface, pilot-arc start and 2T/4T modes make it equally at home on a bench, under a portable CNC plasma cutter or on a gantry table. Digital control, gas-test and an adjustable post-flow protect the torch and keep consumable cost down.
| Cut type | Thickness | What to expect |
|---|---|---|
| Quality cutting | 0.3 – 30 mm | Production cut: square edge, minimal dross, little or no finishing. |
| Perforating (piercing) | 30 mm | Start a cut from the middle of the plate — essential for CNC nesting. |
| Maximum cutting | 35 mm | Severance cut: separates the plate; edge needs finishing. |
Thickness ratings on an air plasma cutting machine depend on current, travel speed and air quality. With 120 A and dry, filtered air at 4.5–5.5 bar the FINELINE 120 holds the figures above on mild steel; stainless and aluminium cut slightly thinner at the same quality. Set the air plasma cutting machine’s current with the front-panel dial from 20 to 120 A so thin sheet is not blown away and thick plate gets full power.
2T for short cuts and tacks: press to cut, release to stop. 4T for long cuts: one press starts, one press stops — no finger fatigue on a 3 m plate.
Purge and check air flow and pressure before striking the arc, so the first cut is a good one.
Adjustable after-flow cools the torch and consumables after every cut, extending electrode and nozzle life.
Cutting current is set on the dial and read on the display, so settings repeat exactly from job to job.
The FINELINE 120 cuts any electrically conductive metal:
Mild steel plate to 30 mmStainless steelAluminiumGalvanised sheetChequered plateStructural sections & pipeBevels & gougingNested profiles on CNC
Thinner work? The CUT 70 and FINELINE CUT-100 cover lighter fabrication; for 40 mm+ plate see the FINELINE CUT-160. For automated cutting pair this air plasma cutting machine with our gantry CNC plasma table.
Connect three-phase power and dry shop air and the air plasma cutting machine is ready to cut. Consumables (electrodes, nozzles, shields) and a CNC torch are quoted separately; the exact scope is confirmed on the quotation. See the full range on our products page.
| PARAMETER | FINELINE 120 |
|---|---|
| Model | FINELINE 120 |
| Input voltage | AC 415 V ±15% |
| Phase | 3 phase |
| Frequency | 50/60 Hz |
| Rated input power | 15 kW |
| Rated input current | 25.6 A |
| Rated output current | 120 A |
| Cutting current range | 20 – 120 A |
| Open circuit voltage | 275 V |
| No load voltage | 350 V |
| Ignition type | High frequency (HF) |
| Arc starting | Pilot arc |
| Post flow time | 10 s (adjustable) |
| Power factor | 0.93 |
| Efficiency | 85% |
| Degree of protection | IP23 |
| Insulation | H |
| Fuse protection | 3 × 20 A |
| Quality cutting thickness | 0.3 – 30 mm |
| Perforating thickness | 30 mm |
| Max cutting thickness | 35 mm |
| Air consumption | 15 l/min |
| Gas supply | Compressed air |
| Gas pressure | 4.5 – 5.5 bar |
| Operation modes | 2T / 4T |
| Gas flow optimisation | Yes |
| Control method | Digital |
| Material compatibility | Mild steel, steel, aluminium, etc. |
| Noise level | < 72 dB |
| Certifications | CE, ISO |
| Dimensions (L × W × H) | 581 × 310 × 545 mm |
| Overall weight | 54 kg |
| CRUXWELD plasma range | Rated current | Quality cut | Best for |
|---|---|---|---|
| CUT 70 | 70 A | see page | Sheet and light fabrication |
| FINELINE CUT-100 | 100 A | see page | General fabrication |
| FINELINE 120 | 120 A | 0.3–30 mm | Heavy fabrication, CNC tables |
| FINELINE CUT-160 | 160 A | see page | Thick plate, production CNC |
Specifications from the CRUXWELD FINELINE 120 datasheet; subject to improvement without notice. The quotation and test certificate supplied with the machine are the governing documents. Warranty terms are stated on the quotation / invoice.
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I would like to buy for my work shop ,doe it suits for 6bar air compressor