Grinding Machines for Automotive applications.

Grinding Machines for Automotive Applications.
	Koyo Machine Industries Co., Ltd. is represented in Europe by Crystec Technology Trading GmbH
	English deutsch francais Overview Metal/Automotive Centerless Surface E-dt Semiconductor KMI KMU

KMI

Grinding Machines for Automotive Applications

Koyo Machine Industries is part of Koyo Seiko Co., Ltd., a producer of ball and roller bearings, steering systems, automotive components, machine tools, and factory automation systems. Many of these products require grinding. Therefore, continuous improvement of these precision products requires constant advancement in the grinding process. That is why Koyo is always striving to be on the cutting edge in the science of grinding. Koyo Machinery provides precision turnkey, centerless, surface, and special-purpose grinding solutions to manufacturers of automotive and powertrain components, bearings, and special pumps, as well as tools, ceramics, medical, and aerospace equipment. Many of these machine tools include full part automation and automated gauging.

Koyo has a worldwide installed base of around 10.000 grinding machines and is the world market leader for centerless grinding machines. Most Koyo grinding machines work nowadays with grinding wheels made from the very hard and good thermal conductive cubic bor nitride cBN. Main applications are steel parts of any kind. For other parts made from hard materials Koyo can also offer very good solutions. For non-steel applications quite often diamant tools are used. High precision and reliability are the main features of the Koyo grinding machines. It is also worth to mention some special, unique Koyo features like the electro discharge truing option.

Crystec Technology Trading GmbH, www.crystec.com, +49 8671 882173
line

CENTERLESS GRINDING MACHINES

6015C

    Model 6015C is compact to minimize floor space but has a ø610mm grinding wheel.
    It has a rotary traverse-type regulating wheel dresser, a cantilever-type grinding wheel spindle,
    and the regulating wheel spindle is easily changed.

With centerless grinders, a workpiece is supported by a work rest blade and set between a rotating grinding wheel and a rubber regulating wheel that rotates the workpiece. Koyo remains the world leader in centerless grinding technology with products such as our 15-axis CNC control system.

Below are just some of our centerless models:

3015CS High-Precision Artisan perfection achieved through computerization. New symmetric bed structure, work rest location on the bed center and fixing the table feed screw to the work rest offer the utmost static and thermal rigidity.The direct driven grinding wheel spindle motor reduces vibration and energy costs.

4515C Economical Easy set-up and high precision.The lower slide comes equipped with CNC control as standard equipment. The rotary traverse type regulating wheel dresser is standard. The grinding wheel spindle is a cantilever type and the regulating wheel spindle can easily be changed.

4515CS Fixed Workrest High-speed efficiency with stationary workpiece center. The fixed workrest makes easy to load and unload work. The grinding and regulating wheel slides are movable.

4520C Tough Material Suitable for superabrasive wheels. For tough material grinding CBN and diamond grinding wheel of 200mm width can be used. Both the grinding wheel spindle and the regulating wheel spindle are a dual supported type which offers high rigidity.The bed is also highly rigid and adiabatic.

4520CH High-Speed Grinding wheel peripheral speed of 120m/s.

6015C Compact Small in size, but with a ø610mm grinding wheel. The 610mm grinding wheel saves space. The lower side comes equipped with CNC control as standard equipment. The regulating wheel dresser is rotary diamond traverse type. The grinding wheel spindle is a cantilever type.The regulating wheel spindle can easily be changed.

6020CAS Angular The angular type can achieve outer diameter and face grinding simultaneously.The slanted regulation wheel slide offers constant roundness. The fixed work position makes it possible to simplify the loader.

KC-200 Standard Easy maintenance with cartridge grinding wheel spindle

KC-300/400 Dual Support High-rigidity for heavy-duty grinding

KC-300A/400A Slant-Bed High-precision for large diameter workpieces

KC-500/600 Medium-Sized Wide selection for various workpieces

KC-500A/600A Medium-Sized Suitable for medium-sized workpieces

KC-700/800 Long Workpieces In-feed capability for workpieces up to 805mm long

KC-700A/800A Large Workpieces Suitable for long, heavy workpieces

KCL-50 Very Small Diameter Achieves sub-micron accuracy on very small workpieces

Crystec Technology Trading GmbH, www.crystec.com, +49 8671 882173
line

Surface Grinding Machines

Surface grinders vary according to the workpiece positioning (feed system) and the number and direction of the axes on which the grinding wheels rotate. Koyo offers opposed, double disc surface grinding machines with either vertical or horizontal spindles.
Below are just some of our double disc models:

VERTICAL-SPINDLE TYPE

        In Model KVD-300II is one of our most popular grinders.
    Its rigidity makes it great for grinding difficult materials.

KVD-300 Space Saver Direct feed to the conveyor line. Well suited for CBN wheel use and grinding of difficult materials.

KVD-301/302 Super Finish High-precision and compatibility with FMS.

KVD-450 Medium Sized Suitable for both superabrasive and conventional grinding wheels.

KVD-580 Large Workpiece High-rigidity design for large workpieces. Low vibration and high rigidity for heavy duty applications.

R-421 Rotary Table Heavy-duty with mirror-like ground finishes that even surpass lapping.Mirror finish is achievable on small parts by providing full automation and vacuum chucking of the part with the elimination of excessive lapping.

R-431 Rotary Table Processes the I.D. and O.D. according to I.D. standards. Simultaneous grinding two pieces at a time with one grinding wheel.

R-631 Rotary Table Mirror finish, Lapping-like quality in grinding accuracies. Indexing table is capable of providing loading and unloading simultaneously while grinding.

R-632 Rotary Table Two grinding wheel heads are provided for rough and finish to achieve high accuracies and mirror finishes. Industries that are directed for R632 are information technologies, automobile and house hold electrical products.

RV-2 Rotary Table Full automation and high productivity can be achieved by RV2. Synchronized mechanism between the table and the loader.

PVT-2 Planetary For slanted surfaces, i.e. V-6 engine block.

HORIZONTAL-SPINDLE TYPE

In Model HD10/7, the latest technology and superior machine design provide process dependability and operator flexibility.

HD-3	CBN Wheels	Compact design for superabrasive wheels. CBN and diamond wheel use.
HD-5	Medium Range	Heavy-duty with superior durability for wide range applications.
HD-7/10	Large Workpieces	Makes grinding large workpieces possible.

Crystec Technology Trading GmbH, www.crystec.com, +49 8671 882173
line

Special-Purpose Grinding Machines

From internal, to multi-head, to wafer, rib, and groove grinders, Koyo has a grinding machine that can fit your specific application.
Below are just some of our special purpose models:

INTERNAL, CYLINDRICAL TYPE

KI-40	Small Diameter	High-speed loader with fixed work head.
KI-80	Medium Diameter	Suitable for high-quality bearings.

INTERNAL, GROOVE TYPE

SAM-084

Cylinder Grooves

Primarily for cylinder grooves in rotary compressors.

RACE WAY TYPE

3RG-450	Small Diameter	High-productivity with cam-type, high-speed loader.
3RG-510/610	Medium to Large Diameter	Suitable for multi-item, small lot production.
1M-350	Miniature	High-speed with high-precision for miniature workpieces.
1M-350T	Rib and O.D.	Increases productivity by grinding rib and O.D. simultaneously.

MULTI-HEAD TYPE

MG-32AIP	Quick and Easy	Diagonal, bore and spline groove grinding of CVT pulleys.
MG-211S	O.D. and Groove	Chamfer grinding of rotary hydraulic servo valve shafts.

Crystec Technology Trading GmbH will be pleased to further discuss details with you.
Content Page	Are you interested in further information? Please contact us!	Top of Page

3015CS	High-Precision	Artisan perfection achieved through computerization. New symmetric bed structure, work rest location on the bed center and fixing the table feed screw to the work rest offer the utmost static and thermal rigidity.The direct driven grinding wheel spindle motor reduces vibration and energy costs.
4515C	Economical	Easy set-up and high precision.The lower slide comes equipped with CNC control as standard equipment. The rotary traverse type regulating wheel dresser is standard. The grinding wheel spindle is a cantilever type and the regulating wheel spindle can easily be changed.
4515CS	Fixed Workrest	High-speed efficiency with stationary workpiece center. The fixed workrest makes easy to load and unload work. The grinding and regulating wheel slides are movable.
4520C	Tough Material	Suitable for superabrasive wheels. For tough material grinding CBN and diamond grinding wheel of 200mm width can be used. Both the grinding wheel spindle and the regulating wheel spindle are a dual supported type which offers high rigidity.The bed is also highly rigid and adiabatic.
4520CH	High-Speed	Grinding wheel peripheral speed of 120m/s.
6015C	Compact	Small in size, but with a ø610mm grinding wheel. The 610mm grinding wheel saves space. The lower side comes equipped with CNC control as standard equipment. The regulating wheel dresser is rotary diamond traverse type. The grinding wheel spindle is a cantilever type.The regulating wheel spindle can easily be changed.
6020CAS	Angular	The angular type can achieve outer diameter and face grinding simultaneously.The slanted regulation wheel slide offers constant roundness. The fixed work position makes it possible to simplify the loader.
KC-200	Standard	Easy maintenance with cartridge grinding wheel spindle
KC-300/400	Dual Support	High-rigidity for heavy-duty grinding
KC-300A/400A	Slant-Bed	High-precision for large diameter workpieces
KC-500/600	Medium-Sized	Wide selection for various workpieces
KC-500A/600A	Medium-Sized	Suitable for medium-sized workpieces
KC-700/800	Long Workpieces	In-feed capability for workpieces up to 805mm long
KC-700A/800A	Large Workpieces	Suitable for long, heavy workpieces
KCL-50	Very Small Diameter	Achieves sub-micron accuracy on very small workpieces

KVD-300	Space Saver	Direct feed to the conveyor line. Well suited for CBN wheel use and grinding of difficult materials.
KVD-301/302	Super Finish	High-precision and compatibility with FMS.
KVD-450	Medium Sized	Suitable for both superabrasive and conventional grinding wheels.
KVD-580	Large Workpiece	High-rigidity design for large workpieces. Low vibration and high rigidity for heavy duty applications.
R-421	Rotary Table	Heavy-duty with mirror-like ground finishes that even surpass lapping.Mirror finish is achievable on small parts by providing full automation and vacuum chucking of the part with the elimination of excessive lapping.
R-431	Rotary Table	Processes the I.D. and O.D. according to I.D. standards. Simultaneous grinding two pieces at a time with one grinding wheel.
R-631	Rotary Table	Mirror finish, Lapping-like quality in grinding accuracies. Indexing table is capable of providing loading and unloading simultaneously while grinding.
R-632	Rotary Table	Two grinding wheel heads are provided for rough and finish to achieve high accuracies and mirror finishes. Industries that are directed for R632 are information technologies, automobile and house hold electrical products.
RV-2	Rotary Table	Full automation and high productivity can be achieved by RV2. Synchronized mechanism between the table and the loader.
PVT-2	Planetary	For slanted surfaces, i.e. V-6 engine block.

Koyo Machine Industries Co., Ltd. is represented in Europe by Crystec Technology Trading GmbH

Grinding Machines for Automotive Applications

CENTERLESS GRINDING MACHINES

Surface Grinding Machines

VERTICAL-SPINDLE TYPE

HORIZONTAL-SPINDLE TYPE

Special-Purpose Grinding Machines

INTERNAL, CYLINDRICAL TYPE

INTERNAL, GROOVE TYPE

RACE WAY TYPE

MULTI-HEAD TYPE

Koyo Machine Industries Co., Ltd. is represented in Europe by
Crystec Technology Trading GmbH