Samputensili G 250H
This model was not found in Samputensili's current lineup when we checked on 2026-10-03 . It may be a superseded or older model; the specifications below are as we last recorded them.
Key Specifications
max workpiece outside diameter
max module
max face width
max helix angle
grinding process
grinding spindle
How much does the Samputensili G 250H cost?
Estimated price range
Our best estimate for a cnc gear cutting machine in this class — not a quote from Samputensili. Configuration moves it a long way.
Overview
The Samputensili G 250H is a gear grinding machine for gears up to 250 mm (9.8 in) in outside diameter, working by continuous generating grinding with a worm-type wheel. The listed figures set the other limits at module 8 mm, a face width of 300 mm (11.8 in) and helix angles of ±45 degrees. Samputensili's current lineup does not include the G 250H, so these are the listed figures for a machine most buyers will meet second-hand, and each should be confirmed against the machine's own documentation.
The envelope is unusual in one respect: the 300 mm (11.8 in) face width is larger than the 250 mm diameter limit. That points the machine at wide-faced gears rather than large-diameter rings. Continuous generating grinding keeps wheel and gear in mesh for the whole pass, which is why the process is normally chosen for batch work on one gear geometry and not for single pieces.
Wheel preparation happens on the machine. The table lists an integrated CNC dressing unit with a diamond profile roller, together with profile and lead modification capability, so corrections to the tooth form are made through the dresser and the program. The grinding spindle is described only as direct-drive and high-speed; no rpm or power figure is given. Two rows name the control: one as Siemens Sinumerik with Graphos software, the other as CNC (Siemens 840 D sl).
For installation, the listed weight is approximately 12,000 kg (26,500 lb) and the dimensions are 4,120 x 2,200 x 2,700 mm. Check the wheel size range, the condition of the dressing roller and the software version before committing to a machine.
Full Specifications
| Parameter | Value |
|---|---|
| Max Workpiece Outside Diameter | 250 mm (9.8 in) |
| Max Module | 8 mm |
| Max Face Width | 300 mm (11.8 in) |
| Max Helix Angle | ±45 degrees |
| Grinding Process | Continuous generating grinding (worm wheel) |
| Grinding Spindle | Direct-drive, high-speed |
| Dressing | Integrated CNC dressing unit, diamond profile roller |
| Topology Grinding | Profile and lead modification capability |
| CNC Control | Siemens Sinumerik with Graphos software |
| Machine Weight | Approx. 12,000 kg (26,500 lb) |
| Max Gear Dia | 9.8425" |
| CNC Control | CNC (Siemens 840 D sl) |
| Dimensions | mm 4,120 x 2,200 x 2,700 |
Specifications sourced from machinetools.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Continuous generating grinding with a worm-type wheel on gears up to 250 mm (9.8 in) outside diameter and module 8 mm
- Maximum face width of 300 mm (11.8 in), more than the diameter limit, which suits wide-faced gears
- Integrated CNC dressing unit with a diamond profile roller, so the wheel is dressed without leaving the machine
- Profile and lead modification capability is listed, with Graphos software on a Siemens Sinumerik control
Limitations
- Outside diameter stops at 250 mm (9.8 in) and module at 8 mm, so larger or coarser gears are out of range
- The grinding spindle is listed only as direct-drive and high-speed: the table gives no speed, power or wheel size
- At approximately 12,000 kg (26,500 lb) and 4,120 x 2,200 x 2,700 mm, the machine needs a planned rigging route and floor position
- No grinding accuracy or gear quality class appears in the listed figures
Best For
Frequently Asked Questions
01
The listed figures give a maximum workpiece outside diameter of 250 mm (9.8 in), a maximum module of 8 mm and a maximum face width of 300 mm (11.8 in). Helix angles run to ±45 degrees. The table does not state a minimum diameter or module, so small gears need to be checked against the wheel and fixture range of the individual machine.
02
Continuous generating grinding with a worm wheel. The threaded wheel and the gear rotate in mesh while the wheel is fed across the face, so all teeth are worked in the same pass. The wheel is dressed by an integrated CNC dressing unit with a diamond profile roller, which is also how profile changes are put into the wheel.
03
The table has two rows for it. One lists Siemens Sinumerik with Graphos software, the other lists CNC (Siemens 840 D sl). The two can describe the same installation, a Sinumerik control running gear grinding software, but on a second-hand machine the control generation and the software version are worth confirming at inspection.
04
The listed dimensions are 4,120 x 2,200 x 2,700 mm and the listed weight is approximately 12,000 kg (26,500 lb). The table does not say whether those dimensions include the electrical cabinet and coolant filtration, so ask for a layout drawing of the complete installation before fixing its position on the floor.
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