YOM:2002
Control system Siemens: Simatic OP17
Max. diameter of grinding: 320 mm
Max. length of grinding: 2000 mm
Max. weight of workpiece: 350 kg
Device for internal grinding: NO
Machine dimensions l x w x h: 4600x1980x1760 mm
YOM:2006
Max. diameter of grinding: 250 mm
Max. length of grinding: 750 mm
Max. weight of workpiece: 250 kg
Device for internal grinding: YES
Distance between centres: 750 mm
Machine dimensions l x w x h: 3470 x 2730 x 1820 mm
Max. length of grinding: 1000 mm
Max. width of grinding: 320 mm
Max. workpiece height: 350 mm
Spindle bearing grinders: Horizontální
Main motor power: 4 kW
Total input: 6,8 kVA
YOM:1999
Max. length of grinding: 1000 mm
Max. width of grinding: 500 mm
Max. workpiece height: mm
Spindle bearing grinders: Horizontální
Travel X-axis: 1000 mm
Travel Z-axis: 500 mm
YOM:2018
Control system Mitsubishi: M 70
Max. diameter of grinding: 400 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 750 kg
Device for internal grinding: NO
YOM:1988
Max. diameter of grinding: 250 mm
Max. length of grinding: 630 mm
Max. weight of workpiece: 60 kg
Device for internal grinding: YES
Main motor power: 4 kW
Machine weight: 3100 kg
Max. length of grinding: mm
Clamping area of table: 2000 x 600 mm
Max. width of grinding: 700 mm
Spindle bearing grinders: Vertikální
Main motor power: 22 kW
Machine weight: 12000 kg
Max. diameter of grinding: 250 mm
Max. length of grinding: 750 mm
Max. weight of workpiece: kg
Device for internal grinding: NO
Main motor power: 3 kW
Machine dimensions l x w x h: 2400 x 1300 x 1500 mm
YOM:2022
Control system Siemens: Sinumerik 840D Sl - 802 D si - Sinumerik 840D Sl - 802 D si
Max. diameter of grinding: 630 mm
Max. length of grinding: 3000 mm
Max. weight of workpiece: 3000 kg
Device for internal grinding: YES
Main motor power: 18,5 kW
YOM:2001
Control system Fanuc: 160 i - MB control
Max. diameter grinding wheel: mm
Max. dimensions of workpiece: 360x250x250 mm
Table dimensions: 900x260 mm
Travel X-axis: 370 mm
Travel Y-axis: 250 mm
YOM:2016
Max. length of grinding: 1020 mm
Max. width of grinding: 305 mm
Max. workpiece height: 380 mm
Spindle bearing grinders: Horizontální
Main motor power: 4 kW
Max. weight of workpiece: 400 kg
YOM:2001
Control system Siemens: Simatic S7
Max. length of grinding: mm
Max. width of grinding: 1300 mm
Max. workpiece height: mm
Spindle bearing grinders: Horizontální
Total input: 58 kVA
YOM:1997
Max. length of grinding: 1500 mm
Max. width of grinding: 470 mm
Max. workpiece height: 500 mm
Spindle bearing grinders: Horizontální
Work surface: 400x1500 mm
Machine dimensions l x w x h: 5650x2300x2000 mm
YOM:1988
Max. diameter of grinding: 630 mm
Max. length of grinding: 3000 mm
Max. weight of workpiece: 2500 kg
Device for internal grinding: NO
YOM:2019
Control system B & R:
Max. diameter of grinding: 280 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 100 kg
Device for internal grinding: NO
Max. diameter grinding wheel: 400 mm
Max. length of grinding: 480 mm
Max. width of grinding: 170 mm
Max. workpiece height: mm
Spindle bearing grinders: Horizontální
Table dimensions: 450x150 mm
Main motor power: 1,5 kW
Max. diameter of grinding: 500 mm
Max. length of grinding: 1700 mm
Max. weight of workpiece: 120 kg
Main motor power: 7,5 kW
Machine dimensions l x w x h: 4830x2550 mm
Machine weight: 7800 kg
YOM:1989
Max. length of grinding: 1000 mm
Max. width of grinding: 320 mm
Max. workpiece height: 350 mm
Spindle bearing grinders: Horizontální
Main motor power: 4 kW
Total input: 6,8 kVA
Max. diameter of grinding: 63 mm
Max. length of grinding: 4000 mm
Max. weight of workpiece: 2000 kg
Device for internal grinding: NO
Main motor power: 22 kW
Machine dimensions l x w x h: 12650x3100x1870 mm
Max. length of grinding: 600 mm
Max. width of grinding: 300 mm
Max. workpiece height: mm
Spindle bearing grinders: Horizontální
YOM:2019
Max. diameter of grinding: 320 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 150 kg
Device for internal grinding:
Spindle taper: MT 4 .
Machine dimensions l x w x h: 4269 x 1760 x 1545 mm
YOM:1989
Control system Siemens: Simatic S7-300
Max. diameter of workpiece: 65 mm
Max. diameter of grinded hole: 65 mm
Max. depth of grinding: 40 mm
Min. diameter of grinding: 10 mm
Travel X-axis: 40 mm
YOM:1971
Max. length of grinding: 5540 mm
Max. width of grinding: 1500 mm
Max. weight of workpiece: kg
Travel X-axis: 5400 mm
Travel Y-axis: 1700 mm
Travel Z-axis: 1545 mm
YOM:1995
Max. diameter of grinding: 250 mm
Max. length of grinding: 750 mm
Max. weight of workpiece: kg
Device for internal grinding: YES
YOM:1984
Max. diameter of grinding: 320 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 350 kg
Device for internal grinding: YES
Distance between centres: 1000 mm
Machine dimensions l x w x h: 4600x1980x1760 mm
Grinding is a technology of precision chip machining. Nowadays, it is possible to reach precision in order of tenths of micrometers and surface roughness of up to 0,2 micrometer. Grinders are thus indispensable in the machinery industry and form an important part of the production process. In general, grinding is a technology that works on the principle of the material removal from the surface layer of the workpiece with fine grains of abrasive material, which are most often bonded to the grinding wheel.
Among the cylindrical grinders we differentiate grinders with centers and without centers. These machines are used for grinding internal and external rotating surfaces.
In case of center grinders the workpiece is usually clamped between centers and rotation is realized using a driver, which is fixed to the surface of the workpiece and tied to headstock. In most cases the workpiece rotates against the direction of rotation of the grinding wheel. Most common models from producer TOS we can mention:
Grinding is realized using the rotation of the grinding wheel, which grinds the surface of the workpiece as it rotates. Most popular producers of such grinders are: FERMAT, TOS, STUDER, DANOBAT, KELLENBERGER, ERWIN JUNKER, SCHAUDT.
Centerless grinders are also intended for grinding rotary surfaces. The clamping of the workpiece on the machine is different. It is supported with support ruler and the workpiece is placed between two discs – abrasive and drifting. The grinding wheel usually spins faster and does the grinding itself. The drive disc is most often made of flexible material (for example rubber) and ensures sufficient pressure.
A special category of grinders are grinders used for grinding of internal rotating surfaces. They works similarly to center grinders. However, the workpiece is just clamped on one side in the chuck or collet so that the hole can be ground from the other side.