The Short Answer — A 30 Second Decision
Choose the 5 Axis Waterjet
- A very wide material range: marble + glass + composite + metal + stone
- Low volume / prototype / bespoke work
- A cold cut is essential (titanium, sensitive alloys)
- Sink cut-outs, internal holes, complex internal contours
- Glass or composite panel cutting
- A mixed workshop
Choose the 5 Axis CNC Bridge Saw
- Marble / granite / engineered stone only
- High volume series production (100+ countertops a month)
- 3D relief, sculpture, decorative work
- Kitchen countertop edge rounding + V-cut
- Gravestone lettering + 3D machining
- A fast turnaround is essential
Side by Side in a Single Table
| Criterion | 5 Axis Waterjet | 5 Axis CNC Bridge Saw |
|---|---|---|
| Cutting principle | Cold (4-6,000 bar water + garnet) | Hot mechanical (diamond blade + spindle) |
| Heat-affected zone (HAZ) | NONE | Present (mild) |
| Material range | Almost everything | Mainly stone (marble/granite) |
| Glass cutting | Can do it | Risk of cracking |
| Composite panel | Excellent (cold) | The resin melts |
| Metal (stainless, Ti) | No HAZ → ideal | Cannot do it |
| Max. thickness | 200 mm | 100-150 mm |
| Accuracy | ±0.1 mm | ±0.05 mm |
| Cutting speed (marble 30 mm) | 0.2-0.4 m/min | 1.5-3 m/min (5-7× faster) |
| Cutting speed (granite 30 mm) | 0.15-0.25 m/min | 0.8-1.5 m/min (4-6× faster) |
| 3D sculpture / relief | Cannot do it (2.5D removal only) | Can do it (with a milling cutter) |
| Internal corner radius | ~0.8 mm (the jet diameter) | Depends on the blade radius (~12-25 mm) |
| Scope of the investment | Pump + UHP hardware + water conditioning + 5 axis head | 5 axis spindle + control + cooling |
| Operational inputs | Garnet + electricity + UHP spare parts | Diamond blade + spindle maintenance + electricity |
| Maintenance complexity | High (UHP, pump, seals) | Medium (spindle, blade changes) |
| Water consumption | High (10-30 L/hour + tank) | Low (20-30 L/min of coolant) |
| Operator safety | UHP pressure (lethal risk) | Spindle + blade shattering |
| Environmental impact | Low (water + natural garnet) | Low (marble dust + coolant) |
Scope of the Investment — Qualitative
Items Covered by a 5 Axis Waterjet Investment
- Machine + 5 axis head (X, Y, Z + C + A)
- High-pressure (UHP) pump unit
- Water conditioning (softening and/or RO)
- Garnet feed + hopper system
- Cutting tank + table
- Installation, commissioning and operator training
Items Covered by a 5 Axis CNC Bridge Saw Investment
- Machine + 5 axis spindle (X, Y, Z + A + C)
- Spindle power unit + cooling chiller
- Automatic tool changer (ATC) — optional
- Coolant water circulation and tank
- Installation, commissioning and operator training
The Investment Difference (Qualitative)
The general tendency: a 5 axis waterjet calls for a more extensive investment than an equivalent 5 axis CNC bridge saw. The difference comes from the UHP pump and the water conditioning systems. Net investment figures vary with the model, the capacity and the configuration; a quotation should be requested from your supplier.
Operational Input Items
5 Axis Waterjet — Operational Inputs
- Garnet (abrasive) consumption
- Pump electricity (a motor in the 50-100 HP range)
- Water consumption + treatment consumables
- Renewal of wear parts (orifice, focusing tube, seals)
- Annual service maintenance
5 Axis CNC Bridge Saw — Operational Inputs
- Depreciation of diamond blades / milling tools
- Spindle electricity (15-20 kW)
- Coolant water + central lubrication oil
- Annual spindle service maintenance
- Periodic calibration service
The Operational Comparison (Qualitative)
A CNC bridge saw generally calls for fewer operational inputs (there is no UHP pump and no garnet consumption). Waterjet operation is balanced out by its versatile material range. The hourly cost calculation should be made on the basis of the material, the speed parameters and local input prices.
Speed Comparison — Real Figures
Take one kitchen countertop job: a 250 cm × 80 cm marble slab, with a sink cut-out + a back upstand + front edge rounding + a V-cut.
| Operation | 5A Waterjet | 5A CNC Bridge Saw |
|---|---|---|
| External contour cut | ~12 min | ~3 min |
| Sink cut-out (oval) | ~4 min | ~2 min |
| Back upstand | ~5 min | ~1.5 min |
| Front edge rounding | Cannot do it (manual polishing needed) | ~6 min (5 axis milling) |
| V-cut chamfer | ~8 min (angled jet) | ~3 min (blade tilt) |
| Total marble ready | ~30 min + manual polishing | ~16 min (a single setup) |
The production speed of the CNC bridge saw is roughly twice as high — particularly on 3D machining and V-cut work. For a high volume marble workshop that difference is decisive.
Production Range Comparison
Which type of workshop generates more value from which machine? The table below is a qualitative suitability analysis — a precise return on investment calculation should be made with your workshop's real production data.
| Workshop Profile | 5A Waterjet | 5A CNC Bridge Saw |
|---|---|---|
| Marble / granite cutting only | Suitable but slow | Highly suitable (high speed) |
| Marble + granite mixed | Suitable | Highly suitable |
| Marble + glass cutting | The only practical solution | Cannot cut glass |
| Multi-material bespoke work + prototypes | Highly suitable | Limited (stone only) |
| High volume kitchen countertop series | Limited (not fast enough) | Highly suitable |
| Sculpture / 3D relief | Cannot do it (2.5D) | Highly suitable (full 3D) |
| Aerospace / sensitive alloys | The only practical solution | Cannot do it |
The Scope Conclusion
For a standard stone cutting workshop a CNC bridge saw delivers an advantage in production speed. For a workshop with a wide material range plus bespoke work, the waterjet is the only practical solution. Get in touch with our team for a scope analysis specific to your workshop.
Decision Scenarios — Who Should Buy Which?
Kitchen Countertop Series Producer
50+ kitchen countertops a month, marble/granite/quartzite only. A standardised edge profile, V-cut, sink cut-out. Production speed is critical. → 5 AXIS CNC BRIDGE SAW.
Architectural + Decorative Workshop
Glass façades, composite panel, aluminium composite (Dibond), carbon fibre, bespoke metal sheet with logos + marble now and then. Low volume, where variety is critical. → 5 AXIS WATERJET.
Gravestone / Sculpture Producer
3D relief, lettering and decorative patterns in granite/marble. Sculpture work. Complex 3D machining is essential. → 5 AXIS CNC BRIDGE SAW (a 3D machining centre).
Aerospace / Automotive Sub-Industry
Composites, titanium, stainless alloys, sensitive alloys — a cut with NO HAZ is MANDATORY. An ISO 9001 / AS9100 certified process. → 5 AXIS WATERJET (no argument).
Glass Workshop
Laminated glass, mosaic, decorative glass cutting. A cold cut is essential. → 5 AXIS WATERJET.
General Workshop (mixed work, prototypes)
Low volume, a range of materials, bespoke customer requests. Flexibility > speed. → 5 AXIS WATERJET.
The Hybrid Approach — Both at Once
In workshops with a high production volume and a broad investment capacity, owning both machines — a "hybrid installation" — is a strong option in terms of market position:
- CNC BRIDGE SAW → speed on standard marble/granite cutting (kitchen countertop series production)
- WATERJET → glass, composites, fine detail, mixed materials, bespoke work
- Typical division of work: roughly a 70% CNC + 30% waterjet split
- Enough space and operator capacity is needed to site the two machines together
- Market position: a wider product range can be offered than competitors with a single type of machine
The Hybrid Advantage
While single machine workshops stay limited to one material type, hybrid workshops can respond to a wider range of projects. In terms of workshop strategy it is an important positioning option.
Decision Making Checklist
- Keep production data for 6 months — which material is what %, which type of operation is what %?
- Work out your monthly production volume — pieces/m²
- Clarify your customer profile — series production or bespoke work?
- Set your investment budget (a combination of cash + leasing)
- Your team's existing competence — which is easier to learn?
- Question the manufacturer's service network — service response time + spare parts stock
- Compare quotations from at least 2 different suppliers
- Visit existing customer references — both a CNC and a waterjet facility
USEL Models — What Options Are There?
- 5 Axis Bridge Type 3D Machining Centre — premium 3D machining + sculpture
- 5 Axis 3D CNC Marble Machining Centre — high capacity 3D machining
- 5 Axis CNC Bridge Saw Cutting and Machining (STORMA) — general cutting + V-cut + 3D
- 5 Axis Waterjet Cutting Machine (PRECISEWJ5) — every 5 axis waterjet application
- On the configurator page you can set your own specification and request a quotation