MG Welding

MAAG SH 250/300 S Gear Shaper

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Year of manufacture 1982
Type of control conventional
Storage location D-40721 Hilden NRW
Country of origin Switzerland
Delivery time immediately
Freight basis ex Warehouse

max. wheel diameter 3,080mm
min. wheel diameter 200mm
module (generating cutter) 50
module (profile cutter) 25
max. number of teeth 1,000
min. number of teeth 12
tool length - max. ca. 312 mm
min. ram stroke 70mm
dividing plate diameter 1,116mm
table bore diameter 420mm
table travel max. 2 x 460 = 920mm
ram stroke speed 3.2 - 40m/min.
max. ram stroke 700mm
table load 15,000kg
Ram strokes per shifting 8-150
depth of hole 1,200mm
max. wheel diameter (internal cutting) 3,300mm
max dia of teeth cutting (internal gearing) 2,940 mm
Distance between head and table 1,180mm
gear width (internal cutting) 365mm
clamping table diameter 1,100mm
helical adjustment of ram unbeschränkt/unlimited °
max.helical angle 35°
dimensions of the machine ca. 6,550 x 4,275 x 3,310mm
power capacity 71kW
weight of the machine ca. 38,000kg

chip conveyor 1
Local rim support (swivel head mounted) 1
Local rim support (bed mounted) 1
Internal gear cutting attachment JVS-250 1
Work base plate dia 1,800mm 1
Longitudinal Correction Device

The machine is practically new and will be delivered with a precision chart. Cutting quality DIN 7!

The main characteristics of the machine are excellent accuracy and high versatility in producing external gears, internal gears,
herringbone gears, double helical gears and gear racks. The outstanding economy of the MAAG SH 250/300 S derives from the high metal removal rate (for material until 1400 N/mm2 and 400 HB) and simplicity of form and long tool life of the roughing cutter, which keeps the tooling costs extremely low.

After the roughing operation, the gear teeth are finished machined in the same set-up by the generating method. And that makes it in most of all cases possible, to avoid grinding. With the full swivel cutter ram, any desired helix angle can be set.

The finishing generating operation yields a very good tooth accuracy in short machining time.
The machining cycles for the plunge cut and the generating operations take place automatically.

The vertical working range is so large that even
double-helical gears can usually be completely machined without altering the set-up. The cutter ram is driven by a DC reversible nmotor via a 7-start spindle. Helical gears or double helical gears with a small run-out groove could be cut by a helical rack shaped cutter.

When using the swivelling cutter holder for cutting gears with great helix angles the ram stroke could be highly reduced.

Category: Gear Cutting

Location: Germany
To see the seller's contact details please use the contact form below.

The seller confirmed the item was still for sale on: 19 Dec 2017

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