JET POLISHING CONCEPT POLISHERS

The machine uses elastic abrasive coated with diamond micro-powder, projected onto the workpiece with compressed air. The impact and sliding friction achieve uniform polishing with minimal material removal. It is ideal for superfine polishing of parts with special shapes.

DOUBLE-SIDED POLISHERS AND GRINDERS

The machine grinds and polishes both sides of the workpiece simultaneously using upper and lower discs that rotate in opposite directions. The planetary motion ensures a uniform, repeat-free finish, improving parallelism and flatness. This system prevents warping or bending of the workpiece during the process.

SINGLE-SIDED POLISHER AND GRINDER WITH WEIGHT PRESSURE

The Sainko single-sided polishing and grinding machine processes small batches of metals, non-metals, and precision parts, achieving high flatness and a fine finish. It allows for grinding and polishing at various levels using synthetic copper discs and specialized cloths. It is ideal for mechanical components, automotive parts, molds, and high-precision industrial components.

Applications

We provide advanced equipment, materials, and grinding and polishing solutions.

Zirconium ceramic grinding

SAINKO specializes in grinding zirconium ceramic (ZrO₂), offering maximum precision and surface finish thanks to robust, stable, and highly repeatable machines. Their solutions allow for machining zirconium with very tight tolerances, reducing rejects and improving efficiency in technical, industrial, medical, and dental applications.

Molds and dies

SAINKO offers industrial polishing solutions with JET POLISHING technology for molds and tooling, improving surface finish, precision, and lifespan, while reducing manual polishing. Its controlled process is especially effective on coated tools (PVD/CVD), optimizing quality, reducing friction, and ensuring stable production performance.

Semiconductors

SAINKO machines are used for surface grinding and polishing of semiconductor boards, achieving micron-level tolerances with high flatness, parallelism, and process stability. This ensures uniform finishes and consistent geometries, reducing rejects and meeting the demanding quality standards of the technology sector.

Automotive

SAINKO offers grinding, polishing, and deburring solutions for the automotive industry, improving surface finish, dimensional accuracy, and repeatability with stable and controlled processes. Their machines reduce defects and rework, optimize lead times, and increase efficiency in both short runs and high volumes.

Cutting tools

SAINKO is a global leader in cutting tools, particularly in Asia, offering highly effective polishing and passivation solutions that improve friction, performance, and tool life. Its technology excels in PVD/CVD coated tools, eliminating coating defects and enhancing the finish without compromising functionality.

Medical applications

SAINKO offers high-precision polishing solutions for medical and dental applications, guaranteeing homogeneous, controlled, and high-quality finishes on complex geometries. Its stable and repeatable processes optimize post-coating polishing, reduce micro-defects, and ensure consistent results in production.

Logo polishing

SAINKO offers solutions for polishing logos, engravings, and reliefs on industrial components, costume jewelry, and fine jewelry, adapting to the geometry and required finish. Using jet polishing or flat polishing with abrasive discs, precise details and uniform shine are achieved with high efficiency.

Aerospace

SAINKO offers grinding and polishing solutions for the aerospace industry, guaranteeing uniform, repeatable, and high-precision finishes on critical components. Their robust and stable equipment allows for tight tolerances, reduced rework, and compliance with the most demanding quality and traceability standards.