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SURFACE & PROFILE GRINDING MACHINES MODEL ORSHA-60120, ORSHA-60150, ORSHA-60240

Praha, Česká republika

420 775 216 216

420 773 162 174

Machines are designed for high accuracy machining flat as well as profile surfaces, representing combinations of segments, straight lines, arcs, circles and other precisely set curves in right-angled coordinate system. Profiling of grinding wheel is realized by means of rotating diamond roller installed on the table by grinding wheel head travel over coordinates Y and Z by means of CNC.

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Design advantages:

  • Column travels over linear guide ways STAR of firm "REXROTH".
  • Slip guide ways with polymeric cover.
  • Hardened steel guide ways of wheelhead travel on rolling-contact bearing.
  • Table travel from hydraulic cylinder.
  • Automatic lubrication of longitudinal and vertical guide ways.
  • CNC system SINUMERIK 802C/ 802D.
  • Feedback by means of photo emulsion converters HEIDENHAIN.
  • Ball screw pairs for cross and vertical travels.

Parameters name

Machine model

Orsha-60120*

Orsha-60120
version 01**

Orsha-60120
version 02***

Orsha-60150

Orsha-60240

Accuracy class of machine as per GOST 8-82

High precision

Table mirror dimensions (BxL), mm

600x1200

600x1200

600x1200

600x1500

600x2400

Maximum accuracy parameters,
achieved on work piece article:

- dimension of work piece article, mm

- flatness, mkm

- parallelism, mkm

- roughness of the surface,
machined by the wheel peryphery, Ra



710x300x200

6

8

0,32

Maximum working feeds:

- longitudinal table travel
(axis X), m/min

- vertical travel
of grinding wheel head (axis Z), mm/stroke

- cross travel (axis Y), mm/stroke



2…28


0,001…0,3


0,3…20

Maximum dimensions
of machined surfaces, mm

- length

- width




1200

600




1500

600




2400

600

Maximum mass of installed
workpiece , kg (with an attachment
and electromagnetic chuck)

1200

Controllable number of coordinates

3

Maximum distance between table
mirror and spindle axis, mm

800

Grinding wheel dimensions (D x H x d), mm

400x100x127

Main drive power, kW

11,0

Overall dimensions, mm

- length

- width

- height



4800

3850

2250



4800

3850

2250



4800

3850

2250

Mass, kg

8500

8900

13000