two gears

Gear Grinding Machines

Mitsubishi Heavy Industries America offers both generating and form type grinding machines.

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The CNC shaving cutter grinder ZA30A completes tooth profiling without the need for a skilled operator.

ZA30A
Shaving cutter Outer diameter mm φ150 ～φ350
Module mm M1 ～ 14
Max. face widtd mm 60 (opt. 70)
Max. pressure angle deg 25
Helix angle deg ±35
Control Cutter spin, table Simultaneously controlled 2 axes
Dressing forward/back, up/down Simultaneously controlled 2 axes
Grinding wheel diameter mm φ650 ～ φ760
Table feedrate mm/min 1 ～ 9.000
Grinding wheel dressing device Single-point diamond nib
Grinding wheel spindle motor kw 1.5
Floor to work center height mm 1,040
Machine weight Kg 8.500

 

 ZA30A

 

The ZE series generating type grinders are equipped with standard on-board dressing and automation.

ZE15A
Max. work piece diameter mm φ150
Max. module mm M4
Grinding wheel diameter × length mm φ300 × 125 (φ150)
Grinding wheel shift mm 200
Helix angle deg ±45
Max. grinding wheel speed min-1 4.500
Max. table speed min-1 1.500
Radial feed distance mm 270
Radial rapid traverse speed mm/min 10.000
Axial rapid traverse speed mm/min 10.000
Main motor kw 17
Machine weight Kg 11,000

 

 GE25A

 

ZE24A
Max. work piece diameter mm φ240
Max. module mm M6
Grinding wheel diameter × length mm φ300 × 125 (φ150)
Grinding wheel shift mm 200
Helix angle deg ±45
Max. grinding wheel speed min-1 4.500
Max. table speed min-1 600
Radial feed distance mm 270
Radial rapid traverse speed mm/min 10.000
Axial rapid traverse speed mm/min 10.000
Main motor kw 17
Machine weight Kg 11,000

 

 GE25A

 

Mitsubishi offers two models of form grinders in the ZG series.

ZG400
Max. work piece diameter mm φ400
Max. module M8
Max. gear width mm 300
Max. work length mm 500
Helix angle deg ±45
Grinding wheel speed min-1 200 ~ 6,000
Shaft diameter mm φ80
Max. wheel diameter mm φ300
Radial feed distance mm 350
Axial rapid traverse speed mm/min 5,000
Table shaft rapid traverse speed deg/min 11,880
Main motor (30 min fixed rating) kw 11
Machine weight Kg 14,500

ZG400
ZG1000
Max. work piece diameter mm φ1,000
Max. module M18
Max. gear width mm 600
Max. work length mm 800
Helix angle deg ±45
Grinding wheel speed min-1 200 ~ 6,000
Shaft diameter mm φ80
Max. wheel diameter mm φ300
Radial feed distance mm 600
Axial rapid traverse speed mm/min 5,000
Table shaft rapid traverse speed deg/min 11,880
Main motor (30 min fixed rating) kw 11
Machine weight Kg 16,000

ZG1000

 

ZGA1200
Part max. diameter mm φ 1,200
Max. module M 35
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~4,000
Table max. weight kg 10,000
Axial stroke amount mm 700 (opt. 1,400 1,800)
Radial stroke amount mm 1,000 (150~1,150)
Overall dimensions mm 7,800 x 7,800 x 5,900

GE25A
ZGA1600
Part max. diameter mm φ 1,600
Max. module M 35
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~4,000
Table max. weight kg 15,000
Axial stroke amount mm 700 (opt. 1,400 1,800)
Radial stroke amount mm 1,000 (150~1,150)
Overall dimensions mm 7,800 x 8,300 x 5,900

GE25A
ZGA2000
Part max. diameter mm φ 2,000
Max. module M 35
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~4,000
Table max. weight kg 20,000
Axial stroke amount mm 700 (opt. 1,400 1,800)
Radial stroke amount mm 1,000 (325~1,325)
Overall dimensions mm 7,800 x 8,300 x 5,900

GE25A
ZGA3000
Part max. diameter mm φ 3,000
Max. module M 35
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~4,000
Main spindle power kw 30
Table max. weight kg 30,000
Axial stroke amount mm 700 (opt. 1,400 1,800)

GE25A
ZGA4000
Part max. diameter mm φ 4,000
Max. module M 35
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~4,000
Main spindle power kw 30
Table max. weight kg 30,000
Axial stroke amount mm 700 (opt. 1,400 1,800)

 

 GE25A

 

The ZI20A is the world’s first and only internal generating gear grinder. It can be offered with CNC dressing, automation and automatic meshing.

ZI20A
Max. work piece diameter mm φ200
Max. module mm M3
Helix angle deg ±40
Max. grinding wheel speed min-1 15,000
Max. table speed min-1 6,000
Radial rapid traverse speed mm/min 10,000
Axial rapid traverse speed mm/min 10,000
Main motor kw 25
Machine weight Kg 11,500




ZI20A
ZGA1600i
Part max. diameter mm φ 1,600 (Min. bore φ1,200)
Max. module M 25
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~6,000
Table max. weight kg 15,000
Axial stroke amount mm 1,000
Radial stroke amount mm 1,650
Overall dimensions mm 7,800 x 7,000 x 5,900

GE25A
ZGA2000i
Part max. diameter mm φ 2,000 (Min. bore φ1,200)
Max. module M 25
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~6,000
Table max. weight kg 20,000
Axial stroke amount mm 1,000
Radial stroke amount mm 1,650
Overall dimensions mm 7,800 x 7,300 x 5,900

GE25A
ZGA3000i
Part max. diameter mm φ 3,000
Max. module M 25
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~6,000
Main spindle power kw 22
Table max. weight kg 30,000
Axial stroke amount mm 1,000

GE25A
ZGA4000i
Part max. diameter mm φ 4,000
Max. module M 25
Max. grinding wheel diameter mm φ 400
Grinding wheel rotation min-1 200~6,000
Main spindle power kw 22
Table max. weight kg 30,000
Axial stroke amount mm 1,000

 

 GE25A
 
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.