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Grinding machines

Name of a product Inventory number Producer YOM Parameters  
BUB 40/1500 CNC

BUB 40/1500 CNC

231632 TOS Hostivař 1999 Control system Kavalír: K51-1
Max. diameter of grinding: 400 mm
Max. length of grinding: 1500 mm
Max. weight of workpiece: 350 kg
Device for internal grinding: YES
Machine dimensions l x w x h: 4600x1986x1756 mm
BUB 32/2000 NC

BUB 32/2000 NC

221690 TOS Hostivař 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
BPH 320 A

BPH 320 A

231741 TOS Hostivař 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
STP - 2040 ADC

STP - 2040 ADC

241287 Supertec 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
GRW-4010

GRW-4010

241085 Goodway 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
BUA 25/630

BUA 25/630

231969 TOS Hostivař 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
BPV 700/2

BPV 700/2

221374 Kovosvit Holoubkov 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
BUC E 63/3000 CNC

BUC E 63/3000 CNC

201954 Fermat 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
NORMA 75

NORMA 75

231811 Schneeberger 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
SG-30100 AHD

SG-30100 AHD

231697 Unknown 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
LISSMAC PRIMA-W-413-RRTT

LISSMAC PRIMA-W-413-RRTT

221489 Bütfering 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
 BUC 63 A /3000

BUC 63 A /3000

231959 TOS Čelákovice 1988 Max. diameter of grinding: 630 mm
Max. length of grinding: 3000 mm
Max. weight of workpiece: 2500 kg
Device for internal grinding: NO
RS 1000 C CL

RS 1000 C CL

241138 Geibel & Hotz 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
BPH 320 A

BPH 320 A

241304 TOS Hostivař 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
BUT 63/4000

BUT 63/4000

241007 TOS Hostivař 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
S33cnc

S33cnc

241313 Studer 2015 Control system Fanuc: 0i - TD
Max. diameter of grinding: 350 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 120 kg
Device for internal grinding: YES
Travel Z-axis: 1150 mm
M1432B / 1000

M1432B / 1000

231716 JAZON 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
NOVA 2GR 10/65 CNC

NOVA 2GR 10/65 CNC

161558 Meccanica Nova 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
BRH 20 S

BRH 20 S

221209 Považské Strojárne Max. length of grinding: 400 mm
Max. width of grinding: 230 mm
Max. workpiece height: 460 mm
Spindle bearing grinders: Horizontální
30-15 S 3030

30-15 S 3030

241066 WALDRICH COBURG GmbH 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
BU 25H/750

BU 25H/750

231516 TOS Hostivař 1995 Max. diameter of grinding: 250 mm
Max. length of grinding: 750 mm
Max. weight of workpiece: kg
Device for internal grinding: YES
FFU 1500-50

FFU 1500-50

231744 ABA 1993 Max. length of grinding: 1500 mm
Max. width of grinding: 500 mm
Max. workpiece height: 550 mm
Spindle bearing grinders: Horizontální
Machine dimensions l x w x h: 3380x1800x2390 mm
Machine weight: 14000 kg
BU 28 1000

BU 28 1000

241249 TOS Hostivař Max. diameter of grinding: 295 mm
Max. length of grinding: 1000 mm
Max. weight of workpiece: 60 kg
Device for internal grinding: YES
Main motor power: 6,6 kW
Machine dimensions l x w x h: 2800x1450x1480 mm
BUA 25B CNC/750

BUA 25B CNC/750

191326 Cetos 2022 Control system Siemens: Sinumerik 840 D
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
SFWR 630

SFWR 630

241022 Wotan 1982 Max. length of grinding: 300 mm
Max. width of grinding: 630 mm
Max. workpiece height: mm
Spindle bearing grinders: Horizontální
Table dimensions: 630 mm
Machine weight: 3400 kg
123

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.   

Grinders with centers and without centers:

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:

  • BHU,
  • BUB,
  • BUC,
  • BUT,
  • BUA,
  • UB….and many others. 

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.