The making of a gear
Nissei's integrated production system covers all aspects of gear manufacture, from order processing and design to machining and delivery, giving us the flexibility to accept orders ranging from one-off prototypes to volume production.
Order |
 |
Design |
|
Machining |
|
Shipment |
Manufacturing process
A selection of pictures and short video clips explains Nissei's gear manufacturing process.
| Process and state | Spur gears | Bevel gears |
| Material (raw material) |
 |
|
|---|
| Cut off the bar stock |  |
 |
|---|
| Blank machining (blank) |
 |
 |
|---|
| Gear cutting |  Gear cutting (video) |
Gear cutting (video) |
|---|---|---|
| After gear cutting |  |
 |
| Heat treatment (hardening) After heat treatment |
 |
 |
|---|
| Grinding | Grinding (video) |
|
|---|---|---|
| Finished gear |  |
 |
Other processes
Blank machining
Milling, broaching, drilling, tapping, rolling, wire cutting, etc.
Gear cutting
By shape: straight bevel gears, hypoid gears, HRH gears, helical gears, worm gears, etc.
Heat treatment
Case carburizing, through hardening, induction hardening, gas soft nitriding, etc
Grinding
Exterior grinding, internal cylindrical grinding, lateral grinding, surface grinding
Gear grinding
Bevel gear grinding, bevel gear CBN grinding, spur gear grinding, etc.
Hard finishing
Direct gear cutting (spur gears, hobbing), CBN gear grinding (bevel gears), etc.
Nissei also machines the following types of gears:
 Yokes |
 Intermittent gears |
 Planetary gear frames |
 Gears with drilled holes |
 Gears with clutches |
 Internal 2-stage gears |
