Honing Plate G Series High Performance Standard Model
G25-MM2 G Series Standard Model
Ultra-precision! Stability! The versatile G series, ideal for mass production at a reasonable cost, is a comprehensive manufacturer of honing machines aiming for extraordinary quality.
The vertical high-speed honing machine G series is a versatile series ideal for mass production at a reasonable cost. It adopts an automatic mechanical expansion method for the grinding stone expansion system, which is the heart of the honing machine. It performs precise micro-cutting synchronized with the stroke, enabling ultra-precision machining that improves surface roughness and achieves shape accuracy correction and stable machining diameter in high-precision processing zones even in mass production processes. 6 ADVANTAGES ■ Productivity increase of 10-25% (compared to our company) ■ Stable high precision (cylindricity, machining diameter, surface roughness) ■ Ease of use ■ Energy saving of 90% (compared to our company) ■ Space saving of 15-30% (compared to our company) ■ Low noise at 70dB Nisshin Seisakusho, as a comprehensive manufacturer of honing machines, selects the machine body, tools, grinding stones, and jigs comprehensively with its unique know-how to achieve ultra-precision machining. We have received high praise as a leading manufacturer in Japan from customers in the automotive industry, motorcycles, construction machinery, oil and pneumatic, home appliances, molds, general-purpose engines, sewing machine industries, and more.
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basic information
Covers processing diameters from φ3 to φ40 with a processing length of 80mm (G25 type) and from φ4 to φ100 with a processing length of 130mm (G50 type). Enhances work efficiency with comprehensive features. The photo shows the G25-MM2, also available in a full cover specification (without ceiling). Depending on the processing length and conditions, the maximum speed may not be achievable, and the processable length may also be limited by the required processing accuracy. This specification may change without notice for product improvement, so please feel free to contact us for detailed functionality.
Price range
Delivery Time
※The delivery date may vary depending on the specifications, so please feel free to contact us.
Applications/Examples of results
Cylinders, connecting rods, barrels, nozzles, various gears, turbos, compressors, stator cores, hydraulic components, pneumatic components, ceramic parts, power steering, etc. We have received high praise from various customers in the automotive industry, motorcycles, construction machinery, hydraulic and pneumatic sectors, home appliances, general-purpose engines, sewing machine industry, etc., for our inner diameter finishing processes, including injection pumps. Please feel free to contact us regarding pricing and delivery times.
Line up（4）
| Model number | overview |
|---|---|
| G25-MR2 | Super precision! Stability! A general-purpose model that enhances productivity with a rotary table. |
| G50L-MM1 | Easy realization for long-length processing! Long stroke model. |
| G75-MM1 | The technology cultivated in small diameters is inherited as is! Achieves process integration with rough machining + finishing machining + integrated tool using air micro. |
| F25G-M2DR | Flexible increase and decrease! A flexible cell model for production variations tailored to purpose. |
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Company information
Our company is a comprehensive manufacturer of ultra-precision honing machines based in Kyotango City, Kyoto Prefecture. Founded in 1946 as a specialized manufacturer of sewing machine parts, we have since made continuous efforts in the production of various precision machine parts (industrial sewing machine parts, engine parts for automobiles and motorcycles, etc.) and machine tools (vertical automatic honing machines, special grinding machines, etc.), supplying numerous products to the industrial sector. Nisshin ProSOL's unique honing technology, leveraging precision machining techniques, contributes to the rationalization, labor-saving, and high precision of manufacturing processes across diverse industries through proactive expansion into global markets. We changed our company name in April 2025.