Manual Brake Installation, Operation, and Maintenance Manual
Page 3
SECTION 2
MACHINE DESCRIPTION
Roper Whitney floor mounted manual bending brakes are precision machines for
use in bending mild steel and other sheet metals, including aluminum, brass,
bronze, copper, duralumin; lead, monel metal, silver, carbon and stainless steel
within rated capacity.
The brakes are rated to form a 1-inch minimum wide flange over entire length of
brake on a single thickness of material of the rated gauge capacity with work angle
support installed. Bending capacities are reduced by four (4) gauges when the
apron work support is removed.
The machines are essentially identical in construction, varying only in length or
capacity. Major components are shown in Figure 1.
Fabricated of sturdy steel plate with appropriate gussets, braces and trusses; three
basic longitudinal members (upper-beam, lower-beam and bending leaf/apron)
control the clamping pressure and stress incurred in overcoming the yield strength
of the material being formed. Provisions for adjusting clamping force and
tensioning of the longitudinal members are incorporated in the design of the
bending brakes.
Figure 1. Major Components of the Floor Mounted Manual Bending Brakes.
COUNTERWEIGHT
LOWER BEAM AND MACHINE BED
CLAMPING LEVER
COUNTERWEIGHT
CLAMPING LEVER
BENDING APRON
UPPER BEAM AND CLAMP
TENSIONING MEMBERS
TENSIONING MEMBERS
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