oig-200s

Special Purpose Internal Grinder

OIG-200S

OIG

NC Series

Ø6 ~ Ø70 mm

Internal grinding range

50 mm

Max. workpiece length

130 / 270 mm

Max. table traverse ( X / Z )

INTRODUCTION

The best grinding solution for the thin workpiece - Bearing inner diameter and inner groove grinding purpose.

With the best machine quality which similar to Japan-made but with more competitive price.

The internal grinder special model for bearing inner diameter & inner groove have the build-in type spincle to minimize the machine body size & floor space. The client could have the benefit of increasing factory space usage.

 
FEATURES
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The bearing industry application to grind its ID and inner groove, plus its joint operation of workhead and loading & unloading system which makes cycle time shorter. An alternative automation system is adding the auto loading system such as vibration feeder.

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High-speed grinding efficiency

The high-frequency grinding wheel spindle offers high-speed and stable running. The fixed side base of workhead allows the loading system to adjust easily. The X & Z axes use linear servo motors for the high-speed grinding purpose and shorten the cycle time. With the standard roller dressing device, it could serve better dressing accuracies. Also the optional CBN wheel for better grinding reault.

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High accuracies

Machine equips with digital reaout on both axes which makes the super high accuracies is possible especially for the small & thin inner hole parts which ususally difficult to grind. Further, machine has electric workhead with large rotation and centerless supporter which helps the thin workpiece easily to chuck without defroming.

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User-friendly

Palmary developed the PLC user-friendly control panel for easily operate in kinds of CNC controller. The client could choose the optional digital readout or in-process ID gauge for high accuracies grinding requirement.

VIDEO

Special Purpose Grinder OIG-200S

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SPECIFICATIONS
Model OIG-200S
Capacity
Max. workpiece chuck dia. Max. Ø80 mm
Grinding capacity Min.  Ø6 mm ~ Max. Ø70 mm
Max. grinding length Max.  50 mm
Built-in G.W. spindle
Grinding speed Max. 30000 r.p.m.
G.W. dia. Ø20~Ø45 mm
Grinding capacity Ø22~Ø70 mm
G.W. max. linear velocity 33 M/s
Spindle dia. Ø120 mm
Built-in G.W. spindle (opt.)
Grinding speed Max. 80000 r.p.m.
Grinding G.W. dia. Ø5~Ø15 mm
Grinding capacity Ø6~Ø22 mm
Linear velocity 33 M/s
Spindle dia. Ø100 mm
X axis for G.W.
Max. table traverse 130 mm
Max. table feed speed 12 M/min
Min. setting unit 0.001 mm (opt.  0.0001)
Z axis for G.W.
Max. table traverse 270 mm
Max. table feed speed 12 M/min
Min. setting unit 0.001 mm (opt.  0.0001)
Magnetic workhead
Speed 100~1000 r.p.m. (Max. 1500)
Swivel +1° ~ -15°
Motor
30,000 built-in G.W. spindle 3.0 kW
80,000 built-in G.W. spindle (opt.) 2.67 kW
X axis for G.W. (servo motor) 0.75 kW (1.0 hp) Tc : 2.4 Nm 
Z axis for G.W. (servo motor) 1.5 kW (2.0 hp) Tc : 7.2 Nm   
Workhead (servo motor)  1.5 kW (2.0 hp) Tc : 7.2 Nm  
Hydraulic pump 1.5 kW 4P (2.0 hp)(flow 30 L/min)
Lubrication system 0.024 
Tank
Coolant tank 120 L
Hydraulic tank 60 L
Lubrication 0.7 L
Built-in spindle cooling 15 L
Machine weight
Net weight 4500 kgs

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

STANDARD
ACCESSORIES
  • Mitsubishi PLC conversational type controller x 1
  • Fully enclosed splash guard x 1
  • Built-in grinding wheel spindle 30000 r.p.m. x 1
  • Electrical work spindle (1000 r.p.m.) x 1
  • Dressing roller build-in spindle (10000 r.p.m.) x 1
  • Diamond roller dressing device (excluding diamond roller) x 1
  • Linear scale (X axis) x 1
  • Electrical box x 1
  • Hydraulic tank with pump x 1
  • Coolant tank with pump x 1
  • Spindle oil cooler x 1
  • Lubrication system x 1
  • Work lamp x 1
  • Tools (Leveling pad) and tool box x 1
OPTIONAL
ACCESSORIES
  • Slot type loading and unloading device (for single size workpiece)
  • Demagnetizer for unloading workpiece
  • Magnetic ring workpiece fixture (for single size workpiece)
  • Diamond roller (for roller dressing device)
  • Auto. In-process gauge (mounted on workhead device)
  • Magnetic coolant separator
  • Paper filter
  • Oil mist collector
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