Granite Water Jet Cutting Machine
The BCTC BHLWJ series five axis CNC granite waterjet cutting machine is specifically designed for granite processing.
Complex processing techniques for granite demand stringent requirements for precision and stone edge quality.
It effectively avoids the inherent pain points of traditional processing methods and has the following advantages:
During machining, the tool and workpiece remain in a non contact state
No heataffected zone is generated in the machining area
The cutting edge is under zero transverse compressive stress
Technical Specifications
|
Item |
Unit |
BHLWJ-2015 |
BHLWJ-2515 |
BHLWJ-3015 |
BHLWJ-3020 |
BHLWJ-4020 |
|
Workbench dimensions |
mm |
2300×1600 |
2800×1600 |
3300×1600 |
3300×2000 |
4300×2000 |
|
Stroke, X axis |
mm |
2000 |
2500 |
3000 |
3000 |
4000 |
|
Stroke, Y axis |
mm |
1500 |
1500 |
1500 |
2000 |
2000 |
|
Stroke, Z axis |
mm |
80–130 |
80–130 |
80–130 |
80–130 |
80–130 |
|
Rotation angle, C axis |
° |
±360 |
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|
Swing angle, A axis |
° |
±60 |
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|
CNC controller |
- |
NC Studio system (Italian ESA optional) |
||||
|
Cutting precision |
mm |
±0.1 |
||||
|
Repeated positioning precision |
mm |
±0.05 |
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|
Fast positioning speed |
mm/min |
6500 / 15000 |
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Detailed Explanation of the Five Axis Structure and Core Cutting Components
The equipment specification sheet clearly lists the parameters of each motion axis, fully demonstrating the technical value of the entire granite water jet cutting machine.
The X and Y axes drive the nozzle to complete lateral and longitudinal displacement on the granite slab surface, achieving planar contour cutting.
The Z axis precisely locks the working distance between the nozzle and the stone surface, ensuring stable cutting jet.
The C axis can drive the cutting head to achieve ±360° full range rotation, eliminating the need for manual slab rotation; the nozzle can continuously cut along any contour.
The A axis supports ±60° reciprocating oscillation of the cutting head, completing beveling and slanted surface processing in one operation while shaping the surface.
Benefits of five axis linkage for granite processing
01 Facilitates complex contour and multi angle cutting
02 Easily distinguishes between ordinary straight cutting and precision shaping processing
03 Reduces the need for workpiece repositioning
04Expands the application range of granite water jet cutting machines in customized processing scenarios such as countertops, monuments, and decorative panels
Suitable for various granite processing scenarios
| Parts Category | Applications of waterjet cutting | Limitations of traditional contact tools |
| Cutouts in countertops, sinks, and cookware | Cut directly from the sheet material, no slotting required. | Internal openings typically require drilling, milling, or other auxiliary processes; the machining path and tool size also limit the local contour. |
| Medals and floor inlays | Fine outlines and small radii are cut from 20–30 mm thick granite slabs, and stone components of different colors are processed to be combined into design patterns. | Fine details can quickly wear down diamond tools, potentially increasing the risk of chipping and material loss. |
| Monument portraits, panels and inscriptions | Processing monument panels, portrait outlines, and decorative text avoids the localized heat effects caused by traditional hot cutting methods. | Heat and friction can leave burn marks that cannot be covered by polishing. |
| Beveled edge protection and angle | Combined with A axis oscillation and contour path control, oblique cutting and angle cutting can be completed under the same clamping settings. | Multi angle machining may require repositioning the workpiece, increasing the number of operation steps and raising the risk of alignment deviations between different cut surfaces. |
| Mosaic fragments and tile pieces | Nesting layouts from actual board images to maximize yield. | When processing small workpieces, manual transportation costs are high and the risk of edge damage is high. |
Selecting the Appropriate Worktable Based on Common Slab Sizes
When choosing a granite water jet cutting machine, the core selection criterion should prioritize the actual dimensions of the granite slabs you purchase. The BHLWJ series offers a variety of sizes, from the compact 2015 model (2300×1600 mm) suitable for processing fixed size slabs, to the large 4020 model (4300×2000 mm), providing ample clamping and securing space for larger slabs and surrounding areas.
Actual slab size
Cutting stroke
Clamping method
Machining allowance
When selecting equipment for common granite processing needs, the above factors should also be considered to ensure that the equipment meets daily production requirements.
|
Model |
Workbench (mm) |
X×Y stroke (mm) |
Typical fit |
|
BHLWJ-2015 |
2300×1600 |
2000×1500 |
Size cutting operations, narrow ground, first waterjet cutting |
|
BHLWJ-2515 |
2800×1600 |
2500×1500 |
Standard sheet metal, single piece assembly |
|
BHLWJ-3015 |
3300×1600 |
3000×1500 |
Whole board, countertop series |
|
BHLWJ-3020 |
3300×2000 |
3000×2000 |
Wider planks, hybrid countertops and monumental projects |
|
BHLWJ-4020 |
4300×2000 |
4000×2000 |
Giant sheet materials, nested multi component structures, and mass production workshops |
For granite water jet cutting machines, automation configurations should be selected based on actual processing needs, operational safety, and production processes, rather than simply pursuing a full range of functions. The BHLWJ series offers a variety of optional configurations, allowing companies to gradually upgrade their equipment as needed.
01
Height Detector (Standard)
Detects height changes on the stone surface, helping to control the working distance between the nozzle and the workpiece.
02
Laser Level (Optional)
Projects positioning reference lines directly onto the stone surface, eliminating the need for trial cuts and rework, facilitating pre cutting checks of workpiece position and cutting line alignment.
03
Anti collision Device (Optional)
Reduces the risk of collisions between the cutting head and fixtures, workpieces, or other obstacles, especially suitable for processing environments with complex worktable layouts.
04
Stone Slab Image Acquisition Unit (Optional)
Acquires images of the stone surface, providing a reference for actual texture and visible imperfections, facilitating optimization of cutting layout and material utilization.
Five Key Points to Confirm Before Ordering a Granite Water Jet Cutting Machine
Please provide the dimensions of commonly used slates and drawings of typical parts currently being processed. BCTC can use this information to evaluate the solution and equipment applicability before payment, providing you with a clearer reference.
Control System
NC Studio or Italian ESA CNC platform are options. It is recommended to confirm system compatibility with the programmer.
01
Worktable Size
Determine based on required space and assess whether a larger worktable is needed in conjunction with future processing requirements.
02
Optional Functions
Select configurations based on the actual production process. Determining optional requirements in advance helps in coordinating equipment configuration and subsequent installation arrangements.
03
Utilities
Before delivery, verify the corresponding on site handling solutions based on the high pressure pump specifications and equipment technical requirements to ensure that installation conditions meet equipment operating requirements.
04
Consumables and Operation Training
Confirm the abrasive supply channels, specifications, and continuous supply capacity in advance, and arrange operation training during equipment commissioning to help operators master the basic operation and daily maintenance requirements of the five axis CNC waterjet.
05
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