Pratt & whitney 1E jig borer


Subject: Pratt & whitney 1E jig borer
Pratt & Whitney Jig Borer
Model:1E S/N: 25206
Table Working Surface 12 x 42 in.
Table Travel, Longitudinal 36 in.
Table Travel, Transverse 12 in.
Table Top to Spindle End, Max. 20 in.
Table Top to Spindle End, Min. 4 in.
Spindle Speed Range, RPM 65 to 2800
Feed Range, Per Spindle Revolution .0006 to .006 in.
Precision Preloaded Ball Roll Quill
The hardened, ground and lapped spindle quill roll-feeds in a precision, preloaded ball roll mounting. Unlike ordinary plain bearing types, original high accuracy and rigidity are retained indefinitely without adjustment or maintenance.
A greater variety of shapes and larger work sizes can be machined on jig borers of this type than on any other. Operator has a clear, unobstructed view of the work at all times.
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