Sharpening and grinding machines are electrically powered devices, the main purpose of which is sharpening and finishing of locksmith’s and carpenter’s tools, metal parts and products.
Sharpening machines are divided into three main groups:
Small table-type machines, equipped with grinding discs with a diameter of 90-200 mm, are suitable for machining small tools and parts.
Medium floor type machines equipped with grinding discs with a diameter of 200-350 mm are used in factories (sharpening of cutters, knives).
Large machines, equipped with grinding discs with a diameter of 400 mm and more. They are used in industrial enterprises for manual adjusting and sharpening of parts, scraping and deburring works.
The lathes can be additionally equipped with equipment for sharpening drills, belt grinding, dressing of rounded parts. Also extractor for diverting metal chips and dust, for example, grinder ZSV-20. In this case the abrasive-metal dust is stopped in the filter, which allows you to work at the machine without a respirator.
Machine applications
Sharpening and grinding machines are used in many areas of production for a variety of tasks. Due to such versatility, they are widely used both in industrial enterprises and at home.
A single sharpening and grinding machine can be used for grinding, sharpening and deburring tools, parts or products.
The main types of work performed on the sharpening and grinding machines:
sharpening of working tools and tools (knives, cutters, drills, swords);
machining of locksmith and joiner’s tools for various purposes (scissors, chisels, chisels, axes);
can be used as a locksmith tool for processing metal parts and products, grinding, leveling;
Can function as a polishing machine if felt blade is used.
Small and medium-sized lathes will be a useful addition to home workshops, farms, or small businesses. Large machines are indispensable tools in factories and plants engaged in metalworking, mechanical engineering, production of equipment and components.
Machine tool types, main differences
Currently, there are 5 main types of sharpening and grinding equipment.
Circular grinding. Suitable for external machining of tapered and cylindrical products.
Internal grinding. Suitable for internal finishing of conical and cylindrical workpieces.
Surface grinding. Used for grinding flat surfaces.
Centreless grinding. For grinding cylindrical and profile surfaces using the plunge cut method. Used in mass production for finishing of external parts.
Honing. Is used for the finest grinding. Honing removes fine chips up to 0.1 mm in thickness.
