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VLC 200 GT—Hard turning and grinding of transmission components

VLC 200 GT—Hard turning and grinding of transmission components

VLC 200 GT—Hard Machining of Chucked Components up to 200 mm (8 in) in Diameter

The VLC 200 GT uses a combination of various methods for the hard machining of chucked components. The user has a wide range of options including grinding, scroll-free turning and hard turning. The large machining area can be configured to fit any machining requirements.

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VLC 200 GT—The optimal machining technology for the shortest cycle times at any time

The turning/grinding center is ideal for the machining of gear wheels. To achieve this, the machine is equipped with a 12-post turning turret, a powerful external grinding spindle and an internal cylindrical grinding spindle.

The VLC 200 GT uses a variety of machining technologies to minimize overall machining times. This allows, for example, all batches to be reliably machined using turning and hard turned to finish quality, only grinding (after hard pre-turning) in areas where quality and process reliability require it.

The machine works with the EMAG pick-up principle and can be automated either with a shuttle or with a circular storage system.

Complete Hard Machining in a Single Clamping Operation

Complete machining on a single machine and in a single clamping operation ensuring high workpiece quality and productivity. Since there are only a few micrometers of material left after the hard pre-turning, only a small amount of material is left to be removed during the subsequent grinding. This reduces the wear of the grinding wheel.

This, in turn, leads to considerable cycle time advantages, because the grinding wheel does not need to be dressed as often. Additionally, because only a small amount of material needs to be removed through grinding, the grinding wheel specifications can be precisely targeted for final surface quality. As a result, reliable surface values in the range of Rz < 1.6 μm can be achieved.

All EMAG machining technologies are available to the user for the actual machining operation: internal and external grinding spindle, scroll-free turning tools, block tool holders, and the proven 12-post tool turret. The perfect blend of technologies can be implemented on the VLC 200 GT for any application, and any workpiece.

Technical Data

Chuck diameter, max. mm
in
315
12.5
Swing diameter mm
in
270
10.5
Workpiece diameter, max. mm
in
160
6.5
Workpiece length, max. mm
in
100
4
X-axis travel mm
in
1,700
67
Z-axis travel mm
in
250
10
Loading time sek. / sec. 6-10
Main spindle: Power rating at 40 % / 100 % duty cycle kW
hp
22 / 18
29.5 / 24
Main spindle: Torque at 40 % / 100 % duty cycle Nm
ft-lb
250 / 202
184.5 / 149
Main spindle: Speed, max. 1/min
rpm
3,000
3,000
Main spindle: Spindle bearing diameter, front mm
in
110
4.5

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Advantages

  • The modular, compact design enables customized solutions for chamfering and deburring
  • Minimum grinding wheel wear
  • Complete machining in a single clamping operation
  • Use of CBN grinding wheels (optional): greater productivity through CBN technology
  • All components are supplied by the EMAG Group, guaranteeing optimal quality and availability
  • Optimized cycle time by combining methods
  • Short non-productive times owing to pick-up automation
  • Automatic loading ensures consistent workpiece clamping and thereby optimal results 
  • Optimal interlinking with other modular machines from EMAG 
  • Ideal for manufacturing transmission components

WorkpiecesTechnologies

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