A technology that makes stone bridge cutting machines easier to use.
2025-02-06
A stone bridge cutting machine is a piece of equipment used in stone processing, primarily for cutting stones such as marble and granite. It typically features a bridge-like structure and relies on a CNC system to achieve precise stone cutting. Modern stone bridge cutting machines usually offer a variety of functions, including cutting, chamfering, edge grinding, drilling, slotting, and shaping operations like rounding and contouring.
Traditional stone bridge cutting machines typically can only perform horizontal and vertical cuts, lacking flexibility in processing irregular and contour-shaped stones. Moreover, tool adjustments are cumbersome, and any mistakes significantly increase production costs... The motion control system specially designed by STEP for stone bridge cutting machines effectively addresses these pain points of conventional machining.

Pain points in traditional processing of stone bridge cutting machines
Limitations of Traditional Infrared Three-Axis Machining
In the field of stone processing, traditional infrared three-axis machines have long held a prominent position; however, their functional limitations have become increasingly apparent. Most conventional infrared-axis machines can only perform horizontal and vertical cutting, a limitation that severely restricts the creativity in stone processing. In modern architecture and artistic design, the demand for non-standard stone products is growing steadily—such as decorative stones with unique curves and irregular shapes, as well as various artistically inspired sculptural stones. Consequently, traditional infrared three-axis bridge cutting machines can no longer meet the market’s diverse design concepts and aesthetic requirements.
Traditional three-axis infrared machine tool alignment challenges
A key challenge in the operational process of traditional three-axis infrared machines is the complexity of the tool-setting procedure. Tool setting is a critical step in stone processing, requiring extremely high precision and expert operational skills. In the tool-setting process of conventional three-axis infrared machines, operators must perform a series of intricate operations. This not only demands that operators possess extensive experience and specialized knowledge but also consumes considerable time as they adjust the positional relationship between the cutting tool and the stone material. Even the slightest error during this process can be magnified, leading to processing mistakes. Such errors may manifest as deviations in cutting dimensions or inaccuracies in cutting positions, seriously affecting both the quality and efficiency of stone processing. Consequently, the complex tool-setting procedure has become a major bottleneck in the stone-processing workflow.
STEP Upgrade Solution
The five-axis stone bridge cutting machine, equipped with the newly upgraded Shinda all-new motion control system, provides a solution to the aforementioned challenges in stone processing.
CAM interface + CAD compatibility—easily handle complex-shaped machining.
The library built into the CAM interface is a rich treasure trove of creative resources. Operators can easily select the desired shapes from the library—such as rectangles, sectors, stove tops, and freeform designs—and, more importantly, they can edit these shapes at any time to meet specific design requirements. This feature provides powerful design support for processing irregularly shaped stone materials, making the machining process more flexible.

Fashionable irregular-shaped countertop

Contour cutting
Built-in image library in the CAM interface
In addition, this system demonstrates outstanding compatibility with CAD software, supporting seamless CAD import—whether through direct import of DXF files or via an AutoCAD plugin—ensuring a perfect integration.

This close integration with CAD provides tremendous convenience for irregular-shaped machining. Whether it’s complex geometric forms or artistically inspired free curves, they can all be accurately and reliably translated into actual machining paths. The new, cutting-edge bridge-cutting machine control solution from STEPeng enables stone processing to break free from the traditional constraints of horizontal and vertical cutting, making irregular-shaped machining effortless and easily achievable—thus meeting the market’s demand for diversified and personalized stone products.
Visual Technology: A Revolutionary Approach to Saying Goodbye to "Tool Setting"
In the preceding discussion, we mentioned that in traditional craftsmanship, “tool alignment” is a challenging step characterized by complex operations and high trial-and-error costs. The application of visual technology has completely eliminated the cumbersome tool-alignment process traditionally associated with three-axis infrared machines. By installing high-precision industrial cameras, we’ve achieved real-time visual monitoring of the stone-processing procedure. Operators simply need to place the design graphic in the desired position, and the stone bridge-cutting machine’s vision system will precisely capture this information, ensuring that the actual machining position perfectly matches the designed position. This is a “what you see is what you get” operational mode that reduces reliance on operators’ skill levels, minimizes human errors during processing, and prevents material waste caused by misaligned tools.
The visual texture feature—key to enhancing the artistic value of stone.
In the fields of high-end architectural decoration and artistic stone materials, the texture of stone is a key indicator of its value. Whether it’s large-format decorative stone that seeks continuous natural textures or artistic sculptural stone with stringent requirements for textural patterns, each piece of stone must, after cutting, precisely reveal its unique textural appeal and faithfully embody the designer’s intent.


So, what exactly is the visual pattern-matching function? After the stone-image acquisition process is complete, the operator begins arranging the graphic shapes, at which point the visual pattern-matching function kicks in. Utilizing advanced image-processing algorithms and visual recognition technology, the system can generate a real-time preview of the pattern that will result after the stone is cut. This preview dynamically updates as the stone’s position changes, accurately reflecting the texture effect once the cutting is completed.

Configuration Introduction

Application Configuration
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1 set of ADT-6320E-B08 EtherCAT bus motion control card
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5 sets of EtherCAT bus-type servo systems
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One set of industrial camera
Application parameters
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Accuracy: ±0.2mm
Industry advantages
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Provides a library of images and supports irregular-shaped cutting.
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No need to calibrate the tool every time; supports camera-based positioning.
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Supports simultaneous cutting of multiple graphics, improving work efficiency.
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Supports DXF import files and CAD plugins.
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Supports real-time camera imaging for physical trajectory editing and other functions.
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Supports patterned features.
We firmly believe that continuous technological innovation and configuration optimization are key to enhancing user experience and meeting market demands. STEP is committed to providing users with a range of innovative processing solutions that boost production efficiency, reduce costs, ensure the precision of the machining process, and guarantee high standards of product consistency—thus satisfying the market’s increasingly stringent requirements for the quality of stone products.
Contact Us
Email:
market@stepelectric.com
Address:
No. 1560, Siyi Road, Jiading District, Shanghai Municipality