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We are trusted because we are Nissin


To ensure a high level of quality at Nissin, we develop various machine tools in house for precision parts machining. Among these tools, our honing machines are one of the top brands in the industry and are indispensable for ultra-precision honing. We are highly recognized in various industries, including the automotive, motorcycle, general-use engine, hydraulic and pneumatic, appliance, mold, and sewing machine sectors.

Our AdvantageThe top brand in ultra-precision honing machines. Realizing ultra-precision machining.

Honing Machines

Honing Machines

As a comprehensive manufacturer of honing machines, Nissin offers total solutions by selecting the optimam element, including the honing machine, honing tools, and jigs.

Honing Tools

Honing Tools

Here is a look at our original honing tools that support various types of ultra-precision machining.

Contract Honing

Contract Honing

• Development and prototype production • Contract production of small-lot products • Outsourced production before equipment delivery

Honing Machines

Product Lineup

Standard Models

Optimal for multi-product production at a reasonable cost

  • G25/G50 Type
  • G50L TypeG50L Type
  • G75 TypeG75 Type

Cell Models

Flexibly supports changes in production without taking up space

  • F25G SeriesF25G/F50G Type

Features



Productivity increases by 10% to 25% (Compared to existing model).

High-speed machining reduces the machining time.

Stable and high precision

Synchronous tuning stone expansion function ensures high-precision machining.
Stone expansion according to the stroke enables stable machining accuracy and surface roughness

Ease of use

Use the operation screen to check the sequence program and instruction manual.
Automatic adjustment of honing stone overhang position

Energy savings

Electricity cost savings of 90% (Compared to existing model)
Save ¥140,000 per year.


Electricity cost (example when compared to existing model)

30% smaller footprint (Compared to existing model)

Hydraulic-free design reduces the footprint by 30% compared to the existing model.

70 dB low-noise operation

Servo motor drive reduces the operation noise.

Pinion gears

Pinion gears

Automotive connecting rods

Automotive connecting rods

Turbo

Turbo housings

Rocker arms

Rocker arms

Power steering pinion shafts and sleeves

Power steering pinion shafts and sleeves

Barrels, nozzles, and cylinders

Barrels, nozzles, and cylinders

Compact connecting rods

Compact connecting rods

Various gears

Various gears

Compressors

Compressors

Stator cores

Stator cores

Hydraulic parts

Hydraulic parts

Pneumatic parts

Pneumatic parts

Cylinder block for motor cycle

Cylinder block for motor cycle

Conrod for truck

Conrod for truck

Processing Examples

Here are some examples of Nissin high-precision machining.

F25G-M3SR

  • Machining cycle
  • Workpiece
Machined product Cylinder Required machining accuracy Machining accuracy
Material SUS440C Cylindricity 2 μm 1 μm
Hardness HRC 57 to 63 Roundness 1 μm 0.5 μm
Machining dimensions Diameter 7.505 × L 38 Surface roughness Ra 0.4 μm Ra 0.3 μm
Stock removal 25 μm to 45 μm Machining time 30 seconds 30 seconds

G25-AR2

  • Machining cycle
  • Workpiece
Machined product Pinion Required machining accuracy Machining accuracy
Material AG20 Cylindricity 5 μm 2 μm
Hardness Hv 720 to 850 Roundness 5 μm 1 μm
Machining dimensions Diameter 19.65 × L 18.9 Surface roughness Ra 0.8 μm Ra 0.6 μm
Stock removal 50 μm to 70 μm Machining time 40 seconds, 5 workpieces 40 seconds, 5 workpieces

G50-MM1

  • Machining cycle
  • Workpiece
Machined product Connecting rod (large end) Required machining accuracy Machining accuracy
Material SCM420 Straightness 4 μm 1.2 μm
Hardness Hv 320 to 380 Roundness 5 μm 1.5 μm
Machining dimensions Diameter 57 × L 30 Surface roughness Ra 0.5 μm Ra 0.2 μm
Stock removal Max. 27 μm Machining time 30 seconds 25 seconds

G50-MR2

  • Machining cycle
  • Workpiece
Machined product Stator core Required machining accuracy Machining accuracy
Material Silicon steel plate Cylindricity 3.7 μm
Hardness Roundness 10 μm 2.9 μm
Machining dimensions Diameter 35 × L 24.5 Surface roughness
Stock removal Approx. 65 μm Machining time 30 seconds, 3 workpieces 26 seconds, 3 workpieces

Note: 3-piece stacked honing

G50L-MM1

  • Machining cycle
  • Workpiece
Machined product Barrel Required machining accuracy Machining accuracy
Material SCM415 Straightness 2 μm/100 mm 1.3 μm
Hardness HRC 58 to 64 Roundness 2 μm 0.2 μm
Machining dimensions Diameter 47 × L 300 Surface roughness Ra 0.1 μm Ra 0.07 μm
Stock removal 25 μm Machining time 403 seconds

G50-MR2

  • Machining cycle
  • Workpiece
Machined product Gear Required machining accuracy Machining accuracy
Material SCr420H Cylindricity 6.3 μm 1.5 μm
Hardness HRA 78 to 83 Roundness 6.3 μm 0.6 μm
Machining dimensions Diameter 50 × L 24 Surface roughness Rzmax 3.2 μm Rzmax 2.0 μm
Stock removal 130 μm Machining time 40 seconds 50 seconds

Contact us about our products

Tel: +81 772-62-8088
Fax: +81 772-62-6688
Department in charge of machine tools: Sales Management Section
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