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Our Goal is to Achieve the World's Highest Level of Machining Precision

The machining precision and quality are so high
that one cannot believe one's eyes.
This is the best ultra-precision wheel grinder made in Japan.

ULTRA PRECISION VERTICAL TYPE GEAR FORMING GRINDING MACHINE NGC-300
ULTRA PRECISION VERTICAL TYPE GEAR FORMING GRINDING MACHINE NGC-300
ULTRA PRECISION VERTICAL TYPE GEAR FORMING GRINDING MACHINE NGC-300

ULTRA PRECISION VERTICAL TYPE GEAR FORMING GRINDING MACHINE NGC-300

The machining precision and quality are so high that one cannot believe one's eyes.This is the best ultra-precision wheel grinder made in Japan.

Machining Examples

Vertical Gear Grinding Machine Achieves Unprecedented Accuracy

One or two steps ahead:
serration punches, spline gauges, helical gear electrodes, and master gear machining.

○Serration Punch and Spline Gauge Processing

Example of Workpiece for Serration Punch Processing

Example of Workpiece
for Serration Punch Processing

Ultra-precision indexing with a minimum resolution of 1/100,000 degree and indexing error of 0.12 second enables serration punching and spline gauge machining.

Example of Mirror Grinding Workpiece for Serration Punch

Example of Mirror Grinding Workpiece
for Serration Punch

Contour accuracy ±3μm, surface roughness 45nmRa, 225nmRz (material: SKH55)
Unprecedented precision and quality have brought about productive innovations in drive components and other products.

Example of Grinding Workpiece with Helical Gear Geometry

Example of Grinding Workpiece
with Helical Gear Geometry

Helical gear grinding with new JIS Class 1 accuracy is possible by using indexing with a minimum setting unit of 1/10,000 degree and wheel swivel (+46° to -96°).

Grinding of Helical Gear Geometry

Grinding of Helical Gear Geometry

Simultaneous 5-axis/9-axis CNC control enables grinding of helical gear shapes with ultra-high accuracy.

Grinding Workpiece Example of Helical Gear Electrode (oxygen-free copper)

Grinding Workpiece Example
of Helical Gear Electrode
(oxygen-free copper)

Helical gear electrode used for cold forging dies.
Suitable for machining up to module 0.1.Machining accuracy: New JIS Class 1.Material: Oxygen-free copper.

Example of Large-Diameter Helical Gear Machining Workpiece

Example of Large-Diameter Helical Gear Machining Workpiece

Highly accurate yet rigid indexing at the machining point; even ⌀190 x 80 size helical gears can be machined with the new JIS Class 1 accuracy.

○Master Gear Machining

Master Gear Machining

Master Gear Machining

Technology developed by the Strategic Advanced Fundamental Technology Project. We have achieved unprecedented precision in master gear production through machining.

Master Gear Measurement

Master Gear Measurement

Unprecedented machining and evaluation methods enable high-precision master gear production.
(For details, please contact our sales engineers.)

Features

Supports Both Mass Production and Small-Lot, Multi-Product Machining.
A Vertical Gear Grinding Machine That Achieves Unprecedented Precision.

1. Aiming at the New JIS Class 1 Gear Grinding Process

Equipped with a highly rigid, ultra-precision indexing machine that combines a unique hydrostatic guideway with a DD motor drive.Hydrostatic guideways are used on the guideway surfaces of the linear axes (vertical, cross, longitudinal axis). The high repeatability and positioning accuracy enable gear grinding with unprecedented precision and quality.

Ultra-Precision Indexing Equipment
Ultra-Precision Indexing Equipment

While achieving unprecedented minimum resolution, indexing accuracy, and repeatability, High rigidity at the processing point. (Unitization allows attachment to other equipment).

2. Simultaneous 5-axis/9-axis CNC-Controlled Gear Grinding

The wheel spindle swivel range, which can be set in 1/10,000-degree increments, is +46 to -96, a significant improvement over the previous machine.It can be used for machining helical and spline gears as well as worms and screws.Equipped with a dressing device that enables shaping of any tooth profile.

3. Supports Generating Gear Grinding

Equipped with a spindle driven by a Cs-controlled motor capable of synchronous motion.Rigid, high-power spindle supports wide grinding wheels.The indexing rotates at a high speed of up to 1000 min-1.

4. Scanning Measurement (OP) on the Machine Is Possible

Equipped with a high-precision scanning probe (OP), it enables on-machine gear shape measurement after machining.

5. Easy-to-Use Interactive Operation Software

Equipped with interactive software designed to facilitate even difficult gear machining.Even beginners can easily operate the software.Special and advanced gear machining is also possible.

Interactive Operation Software
Interactive Operation Software

Equipped with interactive software developed to facilitate even difficult gear machining.The specifications are designed to accommodate special gear machining.


6. Peace of Mind after Installation.We Offer a Complete After-Sales Service System That Can Only Be Provided by a Domestic Manufacturer and Is Not Available with Imported Machines.

A gear grinding machine with a proven track record in numerous installations. After installation, you can rest assured that maintenance and repair support will be available. NAGASE gear grinding machines are being considered as the first choice in various fields as an alternative to conventional imported machines.

Options

Dresser

Dresser

Capable of molding various tooth profiles.

Scanning Touch Probes

Scanning Touch Probes

Touch probe for tooth alignment, tooth profile measurement, tooth trace measurement, and pitch measurement.

Tooth Alignment Sensors

Tooth Alignment Sensors

Measurements for gear phase alignment are possible.

Options

There are Many Ideas and Technologies Required to Build a Unique Processing System.

Ultra-Precision Small Index SPI-01

Ultra-Precision Small Index SPI-01

Compact ultra-precision index developed for small and small-diameter serration punches and spline gauge machining.Indexing accuracy of ±3 seconds or less is achieved with a minimum resolution of 1/10,000 degree.This unit can be mounted on NAGASE's various ultra-precision molding grinders and microfabrication machines, and can be used not only for gear machining but also for a variety of other machining operations.

Vertical Rotary Index

Vertical Rotary Index

Rotary indexing unit capable of ultra-high-precision indexing and rotation.Proposals are possible from a minimum indexing setting of 1/100,000 of a degree.Vertical and horizontal types are available, and can be mounted on a variety of NAGASE's ultra-precision machining equipment (production records from ⌀300 to 2700).Detailed specifications and accuracy, etc., can be proposed according to the processing you wish to perform.

Specification

Machine/Items Size Table Working Area
(length x width)
Stroke in Vertical Directions Vertical・Cross・Longitudinal
Min.set unit
Index Min. unit Table Swivel Angle Gear
Max. Diameter
  mm mm mm ° (degrees) ° (degrees) mm
NGC 300 480 x 280 400 0.00001 0.00001 0.0001° ⌀300
  • Contents and specifications are subject to change without prior notice. The contents of description and pictures may contain optional specifications. To place an order, please check the manufacture specifications for details.
  • Machine accuracy and machining accuracy described on this site may differ depending on the measurement and machining conditions.
  • For further details, you may request specifications, technical information, etc.
  • For resale or export of the product, contact us in advance. Exporting products require designated procedures as determined by the Foreign Exchange and Foreign Trade Control Law.
  • This product must not be transferred for any purposes of use that prevents international peace and security or used for one’s own purpose or used by a third party.

Inquiries

Inquiries

For further information, please contact us.We will make a proposal according to your requests.

Customers who are thinking of introducing new facilities are welcome to ask us for test machining or visit our factory. Please feel free to consult us. Please inform us of facility conditions, size and material of machining workpieces, machining time, etc. in detail. Depending on the contents of your request, sales personnel in your district will make a proposal to meet your requirements.