Machine Safety
Chapter 296-806, WAC |
Effective
Date: 01/01/05 |
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- In addition to the requirements in this
section, you need to refer to the following sections of
this chapter in order to fully protect your employees
from machine hazards:
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This section applies to the hazards associated
with metal and woodworking lathes.
Your Responsibility
To protect employees from hazards associated
wtih metal and woodworking lathes
You must
METAL LATHES
WAC 296-806-45002
Provide shields or guards on metal lathes
for chip or coolant hazards
You must
- Provide a shield or other equally effective
guard to prevent chips or coolant from being thrown or splashed
on the operator, aisle, or other assigned work area, when exposed
to these hazards.
- – Examples of guards include permanent
chip and coolant shields.
WAC 296-806-45004
Safeguard work-holding devices (chucks)
You must
- Provide a fixed or movable guard, device,
awareness barrier, or peripheral cover over areas exposed to
the operator on work-holding devices or chucks when:
- – They are in the clamped mode and
have parts that extend beyond the outside diameter of the
holding device
- – They have an irregular shape to
the periphery of their body
WAC 296-806-45006
Follow these requirements for chip control
and handling
You must
- Make sure employees' hands don't contact
chips that are being generated, such as long stringy chips.
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Note:
- Chips may be removed by using things
such as tools, pullers, brushes, and shovels.
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WAC 296-806-45008
Safeguard power-clamping devices
You must
- Protect the operator from the hazards of
thrown material when the clamping device doesn't have adequate
pressure to hold the material.
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Note:
- Examples of safeguarding methods include:
- – Interlocks
- – Retaining covers:
- That contain the workpiece if
it falls or flies out from the clamped work-holding
device.
- – Visual or audible warnings:
- That are located so they can
be seen or heard by the operator in the normal
work area, making the operator aware that there's
no pressure on the clamp side of the actuator.
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WAC 296-806-45010
Restrain extended workpieces on horizontal
lathes
You must
- Safeguard employees from the hazards of workpieces
that extend beyond the edges of the horizontal lathe by:
- – Restraining workpieces as needed
to prevent whipping
and
- – Isolating workpieces with an awareness
barrier, fixed or movable guard, or railing.
WOODWORKING LATHES
WAC 296-806-45012
Guard cutting heads on profile lathes and
swing-head lathes
You must
- Cover all cutting heads on profile
lathes, swing-head lathes, and heel-turning machines with a
metal guard.
- Make sure guards are made of:
- – Sheet metal at least 1/16 inches
thick
- – Cast iron at least 3/16 inches
thick
WAC 296-806-45014
Guard cutting heads on turning lathes
You must
- Install hoods or shields that cover as completely
as possible all cutting heads, whether or not they rotate.
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Note:
- The hood or shield should be hinged
to the machine so it can be moved to make adjustments.
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WAC 296-806-45016
Guard automatic turning lathes
You must
- Install hoods that completely enclose the
cutter blades, except at contact points where stock is being
cut, on the following types of machines:
- – Shoe last and spoke lathes
- – Doweling machines
- – Heel-turning machines
- – Automatic turning lathes with
rotating knives
WAC 296-806-45018
Guard wood lathes used for turning long
pieces of stock
You must
- Install long, curved guards extending
over lathe tops where workpieces are held only between the 2
centers, to prevent stock from being thrown out of the machine.
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