Presentation Objectives. At the conclusion of these sessions participants will be able to: Identify common hazards associated with machine guarding Describe guarding concepts and techniques Identify general machine guarding standards and requirements
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At the conclusion of these sessions
participants will be able to:
Dangerous moving parts in these three basic areas need safeguarding:
29 CFR 1910
standard that applies to all machines not
specifically mentioned elsewhere in other
sections of Subpart O.
Other sections are specific (vertical)
standards that apply to particular types
of machines; e.g., Section 1910.213 applies
to woodworking machinery
cutting, shaping, boring, or forming is accomplished upon
(c)(2) "Calender" means a machine equipped with two or
more metal rolls revolving in opposite directions and used for
continuously sheeting or plying up rubber and plastics compounds
and for frictioning or coating materials with rubber and
(d)(7) "Direct drive" means the type of driving arrangement
wherein no clutch is used; coupling and decoupling of the
driving torque is accomplished by energization and
deenergization of a motor. Even though not employing a clutch,
direct drives match the operational characteristics of
"part revolution clutches" because the driving power may be
disengaged during the stroke of the press.
Definitions - 1910.211
Stock is fed through unit
Stock is placed in unit
Stock is trimmed into 2” x 5” finished cards
WOOD CUTTING BAND SAW FALLS UNDER
1910.212(a)(3)(i) Point of operation is the area on a machine where work is actually performed upon the material being processed.
The guarding device shall be in conformity with any appropriate standards therefor, or, in the absence of applicable specific standards, shall be so designed and constructed as toprevent the operator from having any part of his body in the danger zone during the operating cycle.
Press Brake Safeguarding
Pliers with curved handles
for two-handed usage
Right Angle Jaw Tongs
For Handling Flanged or
Cupshaped Work Pieces
A lightweight Tweeter
Made of Steel Springs
Vacuum-Tongs For Feeding
Tong Device used to
Tube or Cup
Double Magnet with Release Lever
Double Cup Lifter with Release Button
Not an effective guard
Automatic guard which will cover all the section of the head
on the working side of the fence or gage.
wood- turning lathes
Work rest 1/8”
1910.215(b)(9) Tongue Guard
ANSI B.7.1-1988 E 4.3.2
a shearing, crushing, or abrading action.
Typical Nip Point
(covered removed for clarity)
(7) feet or less above floor or
platform shall be guarded
Shafting must be guarded
Shafting shall not extend more
than 1/2 the diameter of the
shaft unless guarded
apparatus located in basements.
Located in basement
apparatus located in basements.
Safety specs for
apparatus in a
tower, or room
and other projections.
horizontal overhead belts.