1128500
WPC 2000 User Manual
A-4
Extracts from OSHA and ANSI
OSHA 1910.217 (c) (3) (vii) (c)
(c) The safety distance (Ds) between each
two hand control device and the point of
operation shall be greater than the distance
determined by the following formula:
Ds = 63 inches/second x Ts, where
Ds = minimum safety distance (inches);
63 inches/second = hand speed constant;
and
Ts = stopping time of the press measured at
approximately 90° position of crankshaft
rotation (seconds).
Example:
Measured stopping time = 0.190 seconds
Time factor = 1.2 x 0.19 = 0.228 seconds
Calculation = 63 x 0.228
Safety distance = 14.4 inches
OSHA 1910.217 (e) (1)
(e) INSPECTION, MAINTENANCE, AND
MODIFICATION OF PRESSES
(i) It shall be the responsibility of the
employer to establish and follow a program of
periodic and regular inspections of his power
presses to insure that all their parts, auxiliary
equipment, and safeguards are in safe
operating condition and adjustment. The
employer shall maintain records of these
inspections and the maintenance work
performed.
Records of clutch and brake will be weekly.
Other inspections are periodic subject to time
factor determined by employer.
(ii) Each press shall be inspected and tested
no less than weekly to determine the
condition of the clutch/brake mechanism, anti-
repeat feature and single stroke mechanism.
Necessary maintenance or repair or both
shall be performed and completed before the
press is operated. The employer shall
maintain records of these inspections and the
maintenance work performed. These
requirements do not apply to those presses
which comply with paragraphs (b) (13) and
(14) of this section.
If brake monitoring system is installed, weekly
inspection and records are not required for
clutch/brake mechanism. Other parts of the
press will require periodic inspections and
records.
Extracts from OSHA Regulation 1910.217
OSHA Regulations
PMA Interpretation
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