Staveley Roll Grinders, 56 foot bed and 7 foot width (2 available)

MACHINE CAPACITIES

Height of machine centres — 42 1/2" (1080 mm.)

Maximum admit between centres — 41' 0" (12497 mm.)

Maximum load between centres — 122000 lbs. (55336 kgs.)

Angle of work centres supplied — 60°

Length of machine bed — 56' 4" (17 170 mm.)

Width of three-shear bed — 7' 3" (2210 mm.)

Number of saddles — One

Diameter of tailstock barrel — 9 1/2" (241.3 mm.)

Diameter of headstock spindle journals:–
Front journal — 16" (406.4 mm.)
Rear journal — 12" (304.8 mm.)

Headstock faceplate diameter — 72" (1829 mm.)

Faceplate gripping capacities:

Maximum external — 61 1/2" (1562 mm.) dia.
Minimum external — 8 1/4" (210 mm.) dia.
Maximum internal — 74 1/4" (1886 mm.) dia.
Minimum internal — 21 3/4" (552 mm.) dia.

Diameter of Pratt chucks:–

4-Jaw independent type — 48" (1219 mm.) dia.
3-Jaw self-centring type — 24" (610 mm.) dia.