CNC


	*Welcome to G+H Grinding Ltd. Geibel & Hotz GmbH in Germany*


	*G+H-Grinding* Advanced Precision- Profile- and Surface-Grinding-Machine type *CNC*

The Advanced-Surface- and Profile-Grinders of GH-Grinding can be delivered in two types,
the CC- and the CNC type. Both types are Your solution for doing Speed-Stroke- or
Creep-Feed-Grinding! Both types are manufactured for a working area from 400mm * 150mm
up to3.000mm * 1.000mm. (even more, if needed!)

CNC Surface- and Profile- Grinding Machines
The top technology for most possible comfort and best solutions. The integrated PC support dressing with any contour, fast shaping cycles (without gap dressing) and a combination of up to 30 operations per workpiece. There are databases for a lot of workpieces, grinding wheels and dressers.
The CNC-Types of GH-Grinding are equipped with an "Easy to Learn" Software, which enables You to get best grinding results in a very short time. This software is based on SIEMENS Sinumeric 840 D but has been modified from GH-Grinding especially for highest efficiency in grinding.
There is no other manufacturer of Grinding machines who can offer You this easy way of programming and operation!
The CNC-Types should be built with a totally enclosed working area but can be delivered open, if needed. Feel free to have a look at our Accessories- and Technologie-Page for further information and additional equipment to Your new Grinding-Machine!.




				The machine built in computer is able to store up endless numbers of working-peaces, profiled grinding-wheels and dressers. working with the machine is as easy as working with a Windows (TM) personal computer






	Dressing the contour of the grinding wheel with our CNC-dresser mounted at the working-table results in contours of highest precision .


	The CNC-Contour-dresser is able to work with a rotating dressing-wheel for faster results!

Precision speed-stroke-, full-cut- and creep-feed grinding with the Z-Type from FS 420 Z up to FS 840 Z.

The letter "Z" stands for the german word "Zahnriemen" which means the toothed belt driven machine table. This drive has been utilized for our rapid-lift- and full-cut grinding machines for more than three decades.
The toothed belt drive combines the advantages of rapid lift grinding with those of creep feed grinding in one machine.
Rapid lift grinding using vertical automatic control results in high operating speed. For creep feed grinding a frame cycle is available.

Precision rapid lift and full cut grinding machines from FS 850-GT up to FS20100GT series

The letters "GT" stand for the ballring screw drive or also cvalled worm gear drive, in German called "Gewinde-Trieb" installed as the transmission element for table motion.
In ballring screw drives, ball bearings are used as load bearing elements between nut and spindle.
The inner rings of these ball bearings which are custom-formed for this type of application grip into the spindle gear and roll off on its flanks of thread.
The standard nut consists four ball bearings which are reciprocally set against the spindle using springs.
The result is a prestressed system with minimum reverse tolerance. The collar ballring screw drives allow for low, as well as very high speeds because there is no limitation to the rate of revolutions due to the nut construction.
Additional benefits are very-low-noise operation at constant torque, as well as maximum possible efficiency of up to 98%!

Available dimensions:

Length from 400mm to 2.000mm (favourites from 400mm to 1.000mm).
Width from 200mm to 1.000mm (favourites from 200mm to 500mm).
Height (depends on length and width) from 300mm to 900mm.

Power of the grinding wheel (depends on length and width) from 2,0kW to 37,5kW

Standard types

Line 420    W = 400mm, B = 200m, H = 300mm, P = 2,0 kW
Line 640    W = 600mm, B = 400mm, H = 375mm, P = 3,7kW
Line 840   W = 800mm, B = 400mm, H = 375mm, P = 3,7kW
Line 1050  W = 1.000mm, B = 500mm, H = 425mm, P = 9,0 kW

L = Length, W = Width, H = Height, P = Power of the grinding wheel.
Standard types can be delivered in a short time.

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