Internal Grinder

OIG-200 / OIG-200L35 / OIG-200L50


CNC Series

Ø150 mm

Internal grinding range

200 / 350 / 500 mm

Max. workpiece length

480 mm

Max. table traverse ( X / Z )


The new CNC internal Grinding Machine from PALMARY features optimal structural design, and an elegant appearance combined with advanced CNC control. The all new series will bring internal grinding technology into a new era.


The structural parts of the machine are manufactured from high quality cast iron for deformation-free performance year after year. The entire machine is precision built throughout to guarantee the best possible grinding accuracy you can find anywhere.


Grinding application (for OIG-200)

One internal wheel spindle model for your different application requirement. It's capable of grinding internal hole, end face and outer diameter at one time setting.


Automatic operation

To meet mass production requirements, automatic loading and unloading equipment is available to provide a fully automatic operation.


Slide table

The slides move on roller type linear guideways for increasing smoothness & stable movement.


Upgrade positioning accuracy

The feed axis is equipped with optical scale to upgrade positioning accuracy.


Internal Grinder OIG-200

Model OIG-200 OIG-200L35 OIG-200L50
Max. chuck outer diameter Ø200 mm
Max. internal grinding dia. Ø150 mm
Max. workpiece length 200 mm 350 mm 500 mm
Internal wheel spindle
Spindle outer diameter Ø90 mm
Spindle speed 10000~50000 r.p.m.
X axis Table
Rapid feedrate Ø10 M/min
Max. table traverse 480 mm
Min. setting unit 0.001 mm
Z axis Table
Rapid feedrate 10 M/min
Max. table traverse 480 mm 450 mm 710 mm
Min. setting unit 0.001 mm
Work spindle
Workhead swivel +7° ~ -8° +1° ~ -1° +1° ~ -1°
Center taper MT 6
Spindle speed 0~500 / 0~800 r.p.m.
Max. load of spindle (tool holder included) 50 kgs
Grinding wheel 1.5 kW 1.5 kW/opt. 2.25 kW 1.5 kW/opt. 2.25 kW
Workhead 0.75 kW 2.25 kW 2.25 kW
X axis infeed table 1.8 kW
Z axis infeed table 1.8 kW 1.8 kW 4.4 kW
Hydraulic pump 0.75 kW
Coolant pump 0.09 kW
Hydraulic tank 29 L
Coolant tank 70 L
Machine weight
New weight 4700 kgs 5000 kgs 5700 kgs

The mentioned specifications & dimensions are subject to change without notice.

  • FANUC CNC controller x 1
  • Fully enclosed splash guard x 1
  • Grinding wheel spindle x 1 (alternative of 10000~50000 r.p.m.)
  • Linear scale (for X axis) x 1
  • Diamond dresser x 1
  • Belt tension auto. adjustment x 1
  • Electric system x 1
  • Hydraulic tank with pump x 1
  • Coolant tank with pump x 1
  • Work lamp x 1
  • Tools (Leveling pad) and tool box x 1
  • Spare G.W. spindle
  • Rotary dresser for CBN wheel
  • 3-jaw scroll chuck
  • Hydraulic 3-jaw chuck
  • Quick fixtures for gears
  • Soft jaw machining device
  • Gap control
  • Wheelhead oil lubricator
  • Magnetic coolant separator
  • Paper filter
  • Oil mist collector
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