Understanding the features of the three main types of stone grinding machines can help you make better use of them and improve your overall work efficiency. Each machine has its own unique design, power specifications, and ideal applications. Here's a closer look at each one.
First, Bridge Grinding Machine
The bridge grinding machine is designed based on the grinding and polishing principles used in stone processing lines, with modifications to suit the working characteristics of handheld grinders. It typically operates on 220V or 380V power and has a power range of 3.5 to 7.5 kW. The marble grinding disc usually rotates at around 480 RPM, while the granite disc can reach up to 1700 RPM. Some models even feature frequency conversion for smooth speed adjustment. The weight ranges from 210kg to 310kg, making it heavy enough to provide strong grinding force. It’s known for its wide abrasive options and high efficiency, especially when working on large floor surfaces.
Second, Multi-Head, Multi-Disc Grinding Machine
This type of machine combines the features of both the bridge grinder and the single-head disc machine. It also runs on 220V or 380V power, with a power range of 3.5 to 7.5 kW. The standard grinding head speed is around 600 RPM, while planetary heads can go as high as 2600 RPM. The weight varies between 140kg and 350kg. This machine is user-friendly, easy to operate, and offers good safety performance, making it a popular choice for medium-sized projects.
Third, Single Head Disc Machine
The single-head disc machine is more compact and lightweight, operating on 220V power with a power range of 1.5 to 2.5 kW. Its rotation speed is generally between 150 and 300 RPM, and it weighs between 45kg and 100kg. It’s best suited for small-scale tasks, such as polishing individual tiles or working in tight spaces where larger machines can’t fit.
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