Automatic Polishing Head，Automatic Granite Polishing Head，Automatic Polishing Head manufacturers，Automatic Polishing Head suppliers，Automatic Polishing Head factory，Automatic Polishing Head in stock，Automatic Polishing Head Free Sample，Automatic Polishing Head price，Automatic Polishing Head Pricelist，buy Automatic Polishing Head，Customized Automatic Polishing Head，Bulk Automatic Polishing Head Three major stone-grinding machinery features are available in inventory. 1、A bridge type grinding machine The bridge type grinder is designed to be used by stone processing enterprises for stone assembly line grinding, polishing, and modification of imitation. The voltage of the bridge grinder ranges from 220V to 380V two. Power is usually between 3.5 and 7.5KW. Granite grinding disc speed is 1700 rpm and marble grinding disc speed is 480 rpm. There are also stepless variable speeds using frequency conversion. It is generally light and has high construction efficiency. 2、Multi-head and multidisc grinding machines Multi-head and multidisc grinding machines were designed using the same working principles as single-head disc and bridge-type machines. The multi-head and multidisc grinders have a voltage of 220V and 380V. The power is usually between 3.5 and 7.5kw. The general speed of the grinding heads is 600 rpm. The speed of the planetary head is between 1500 and 2600 rpm. Weight is between 140kg to 350kg. Easy to use, intuitive and safe. 3、Single head disc machine The single-head disc machine's voltage is 220V. It has a power output of 1.5 to 2.5 KW, a speed of 150 to 300 rpm, and a weight between 45 and 100 kg. This machine is ideal for small construction sites.