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We have added lineup of abrasive grains and bonding materials (bonds) that are ideal for high efficiency, high precision, emphasis on surface roughness, etc., as well as various work materials (workpieces). We will propose improved grindstone of Mitsui grinding whetstone.

It can handle various workpieces (work) processed from stainless steel (SUS) raw material to nitrided steel, with single-sided and double-sided surface grinding machines and CBN · DIA wheels.

By special manufacturing method with high porosity, it is excellent in sharpness and has a strong abrasive grain holding power, so it is possible to set a coupling degree softer than conventional resinoid grindstone, realizing high grinding ratio. Compared with ordinary resinoid stone, there is no dropout of extra abrasive grains, so processing accuracy improves if the same grain size.

In the heavy grinding process of the spring, the heat absorbing property which is the feature of the magnesia grinding stone exerts the force, and the thermal damage of the workpiece (work) is reduced. It realizes high precision and stable grinding processing.

We offer grinding wheels that can be polished more finely and finely in the re-grinding of flat blades such as cutting, woodworking and pulverizing blades and round blades such as chipsaw. Mitsui's grinding stone softly hits the blade, realizing a good sharpness and finished surface.

We have added lineup of abrasive grains and bonding materials (bonds) which are ideal for high efficiency, high precision, emphasis on surface roughness, etc., as well as various work materials (workpieces). We will propose improved grindstone of Mitsui grinding whetstone.

MC abrasive grains with a fine sintered structure are the most powerful abrasive grains among general grinding stone products. Even under heavy grinding, abrasive grains do not cause large crushing, it is a grinding wheel that can constantly maintain minute cutting edge and can maintain stable sharpness. High-purity alumina abrasive grains with high hardness and high toughness demonstrate excellent grinding performance for processing various hardened materials such as high-speed steel and other difficult-to-cut materials. In addition, LCA abrasive grain specialized for sharpness is added to the lineup, and it corresponds to a wide range of processing environment.

Mitsui grinding whetstone, which has mainly produced grinding wheels for machine parts, has newly researched and developed grinding wheels for milling rice. By making use of accumulated technologies accumulated over 20 years in Thailand, we have realized high lifetime, high precision and good yield.

Grinding whetstone suitable for regrinding rolls for steel rolling. In order to reduce scratches (scratches), we have selected carefully selected abrasive grains and adopted a binding agent (bond) dedicated to rolls that makes maximum use of the abrasive grain performance. We adjust the abrasive grain binder according to your request and provide the optimum grindstone.

We can support various cylindrical grinding machines up to the traverse method, plunging method and angular grinding. Especially in infeed grinding of hardened steel such as SCM, TM bond suitable for high precision machining with high shape retention is achieving excellent results.

We have a wealth of line-ups to meet all the needs of centerless (centerless) processing, including 500 kg "Mammoth type", bearing, motor shaft, plunger and fork shaft.