In modern industrial production, the quality and performance of cutting tools are crucial to processing efficiency and product quality. In this critical area, bar preparation is a step that cannot be ignored to ensure smooth tool operation, accurate dimensions, and smooth surfaces. Let's take a look at the core of excellent grinding technology, especially the innovative technology introduced by Rollomatic machine tools, which provides new solutions for the manufacturing of high-quality cutting tools. From axial plunge and peel grinding to "multi-pass" processes, as well as the industry-leading ShapeSmart NP30 and NP50 grinding machines, let's take a deeper look at how to use advanced technology and exquisite craftsmanship to create excellent cutting tools and improve production. efficiency and cost reduction.
If you want to make a good knife, this step is very important.
Tools have always played an important role in industrial production. Whether it is simple cutting and trimming, or precision machining and engraving, the performance and service life of the tools will directly affect production and efficiency.
Key Steps to Building High-Quality Cutting Tools
Bar preparation
Usually, manufacturers pay more attention to the subsequent processing of tool production and ignore the bar preparation work. In fact, excellent bar preparation can ensure smooth tool operation, tight dimensional tolerances, and appropriate surface finish, which will directly improve cutting efficiency, reduce tool wear, and extend tool service life.
Axial plunge and peel grinding
Patented process
Rollomatic has always known this. In order to achieve excellent bar preparation and improve grinding efficiency, Rollomatic has developed and applied for a patent for axial plunge and peel grinding technology to provide customers with the production of high-quality cutting tools. s solution.
This plunge and peel grinding method can complete the entire grinding process simultaneously in one go by using rough grinding and fine grinding wheels at the same time. With just one setup, you can achieve an excellent surface finish, even mirror-like.
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The transformation of bar stock from diameter 20mm to 4mm
In order to meet customer needs for large amounts of material removal, Rollomatic has developed its own secret recipe, achieving a "multi-pass" process by using an additional Z-axis for grinding.
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The process consists of a series of rough grinding steps, followed by a single fine grinding to complete the entire grinding process. Its main advantage is the gradual grinding of material to avoid premature wear of the grinding wheel. This unique "multi-pass" grinding technology in the industry not only improves production efficiency, but also reduces production costs.
Rollomatic
What sharp tool is used to achieve the above unique grinding process?
ShapeSmart NP30
Excellent special cylindrical grinding machine
ShapeSmart NP30 is a new special cylindrical grinder launched by Rollomatic. It is an upgraded version of the existing NP3+ machine tool. The machine is designed for grinding various types of cylindrical applications including bar stock preparation for cutting tools, mold mandrels and round punch pins.
It is equipped with a large-capacity 3-axis automatic loading and unloading robot that takes only a few minutes to set up, making it ideal for small batch production and cost-effective.
In addition, the machine tool also has a "work management" function, which can arrange the machine tool to complete the grinding of 10 different shapes of bars of the same diameter in fully automatic mode. The automatic compensation function of the online measurement system can ensure that the bar diameter tolerance is within 2 microns.
ShapeSmart NP50
Specifically designed for grinding non-cylindrical bar stock
ShapeSmart NP50 is another special cylindrical grinder from Rollomatic. It not only has all the functions of NP30, but also uses an indexable and CNC-driven work head, which can grind planes, hexagons, threads and dental grinders. Tool accessories.
The machine tool is also equipped with a patented "smart punch" grinding process that can grind any non-cylindrical bar type, such as triangles, squares, rectangles and ovals. This makes the NP50 a very advanced special grinder on the market.
Rollomatic focuses on customer value, specializes in efficient and unique grinding processes and machine tool design, and continuously provides customers with high-quality cutting tool solutions. This is also why in the fiercely competitive market, Rollomatic DI) machine tools still stand out.





