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Gear Grinding Machines

Mitsubishi Heavy Industries America offers both generating and form type grinding machines.
To contact us for more information on these and other MHIA machines:  

ZA30 A
Specs Details
Shaving cutter
Outer diametermmφ150 ~ φ350
ModulemmM1 ~ 14
Max. face widthmm60 (opt.70)
Max. pressure angledeg25
Helix angledeg±35°
Control - 11 axis
Cutter spin, tableSimultaneously controlled 2 axes
Dressing forward/back, up/downSimultaneously controlled 2 axes
Grinding wheel diametermmφ650 ~ φ760
Table feedratemm/min1 ~ 9,000
Grinding wheel dressing deviceSingle-point diamond nib
Grinding wheel spindle motorkw1.5
Floor to work center heightmm1,040
Machine weightkgs8,500
ZE SERIES
The ZE series generating type grinders are equipped with standard on-board dressing and automation.
Specs Details
Max. work piece diametermmφ150
Max. moduleMM4
Grinding wheel diameter x lengthmmφ300 x 125 (φ160)
Grinding wheel shiftmm200
Helix angledeg±45°
Max. grinding wheel speedmin-16,000
Max. table speedmin-11,500
Radial feed distancemm270
Radial rapid traversemm/min10.000
Axial rapid traversemm/min10.000
Main motorkw25
Machine weightkgs11,000
Specs Details
Max. work piece diametermmφ240
Max. moduleM6
Grinding wheel diameter x lengthmmφ300 x 125 (φ160)
Grinding wheel shiftmm200
Helix angledeg±45°
Max. grinding wheel speedmin-16,000
Max. table speedmin-1600
Radial feed distancemm270
Radial rapid traversemm/min10.000
Axial rapid traversemm/min10.000
Main motorkw25
Machine weightkgs11,000
Specs Details
Max. work piece diametermmφ400
Max. moduleM8
Max. grinding wheel diameter x length (Generating)mmφ300 X φ125
Grinding wheel shiftmm200
Max. grinding wheel diameter x length (Form)mmφ300 X φ40
Helix angledeg±45
Max. grinding wheel speedmin-16,000
Max. table speedmin-1600
Radial rapid traversemm/min10,000
Axial rapid traversemm/min10,000
Main motorkw25
Machine weightkgs12,000
ZG SERIES
Mitsubishi offers two models of form grinders in the ZG series.
Specs Details
Max. work piece diametermmφ400
Max. moduleM8
Max. gear widthmm300
Max. work lengthmm500
Helix angledeg±45
Grinding wheel speedmin-1200 ~ 6,000
Max. wheel diametermmφ300
Radial feed distancemm350
Axial rapid traversemm/min5,000
Table shaft rapid traverse speeddeg/min11,880
Main motor (continuous rating)kw7.5
Machine weightkgs14,500
Specs Details
Max. work piece diametermmφ1,000
Max. moduleM8
Max. gear widthmm600
Max. work lengthmm800
Helix angledeg±45
Grinding wheel speedmin-1200 ~ 6,000
Max. wheel diametermmφ300
Radial feed distancemm600
Axial rapid traversemm/min5,000
Table shaft rapid traverse speeddeg/min11,880
Main motor (continuous rating)kw7.5
Machine weightkgs16,000
ZGA SERIES
Mitsubishi offers two models of form grinders in the ZG series.
Specs Details
Part max. diametermmφ1,200
Max. moduleM35
Max. grinding wheel diametermmφ400
Grinding wheel rotationmin-1200~4,000
Table max. weightkgs10,000
Axial stroke amountmm700 (opt. 1,400 1,800)
Radial stroke amountmm1,000 (150~1,150)
Overall dimensionsmm7,800 x 7,800 x 5,900
Specs Details
Part max. diametermmφ1,600
Max. moduleM35
Max. grinding wheel diametermmφ 400
Grinding wheel rotationmin-1200~4,000
Table max. weightkgs15,000
Axial stroke amountmm700 (opt. 1,400 1,800)
Radial stroke amountmm1,000 (150~1,150)
Overall dimensionsmm7,800 x 8,300 x 5,900
Specs Details
Part max. diametermmφ2,000
Max. moduleM35
Max. grinding wheel diametermmφ400
Grinding wheel rotationmin-1200~4,000
Table max. weightkgs20,000
Axial stroke amountmm700 (opt. 1,400 1,800)
Radial stroke amountmm1,000 (325~1,325)
Overall dimensionsmm7,800 x 8,300 x 5,900
Specs Details
Part max. diametermmφ2,000
Max. moduleM35
Max. grinding wheel diametermmφ400
Grinding wheel rotationmin-1200~4,000
Main spindle powerkw30
Table max. weightkgs30,000
Axial stroke amountmm700 (opt. 1,400 1,800)
ZI20 A
The ZI20A is the world's first and only internal generating gear grinder. It can be offered with CNC dressing, automation and automatic meshing.
Specs Details
Max. work piece diametermmφ200
Max. moduleM3
Helix angledeg±40
Max. grinding wheel speedmin-115,000
Max. table speedmin-16,000
Radial rapid traversemm/min10,000
Axial rapid traversemm/min10,000
Main motorkw25
Machine weightkgs11,500
Specifications data is provided here for reference only. Specifications subject to change at any time without notice. Please contact the Mitsubishi Gear Technology Center for the most current information.