table saw safety final

8/7/2019 Table Saw Safety Final

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Table Saw Safety TrainingTable Saw Safety Training

Table Saw Safety Training:Table Saw Safety Training:

MACHINE GUARDINGMACHINE GUARDINGOSHA and Kitchen Cabinet Manufacturers Association (KCMA) Alliance, KCMA developed thisOSHA and Kitchen Cabinet Manufacturers Association (KCMA) Alliance, KCMA developed thispower point presentation for informational purposes only. It does not necessarily reflect thepower point presentation for informational purposes only. It does not necessarily reflect the

official views of OSHA or the U.S. Department of Labor. Jan 2009official views of OSHA or the U.S. Department of Labor. Jan 2009


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Why guard equipment?Why guard equipment?

As you know, there are risks involved inAs you know, there are risks involved ineverything you do. When operating machines,everything you do. When operating machines,

one way to reduce your risk of injury is toone way to reduce your risk of injury is toensure all safety guards are in place.ensure all safety guards are in place.

Some of the injuries associated withSome of the injuries associated withunguarded equipment may include (but are notunguarded equipment may include (but are notlimited too):limited too): Crushed body partsCrushed body parts

Amputated body partsAmputated body parts

BlindnessBlindness


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What am I looking for?What am I looking for?

Chains and sprocketsChains and sprockets

RollersRollers

FlywheelsFlywheels

Blade exposureBlade exposure

Any moving part that could cause bodilyAny moving part that could cause bodily

injuryinjury


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What if a guard was not providedWhat if a guard was not provided

with the equipment?with the equipment? Anticipate all possibilities, sometimes you haveAnticipate all possibilities, sometimes you have

to design, build, and install additional guardsto design, build, and install additional guards


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Typical guards and signsTypical guards and signs


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PPE RequirementsPPE Requirements

Face Shield Ear Plugs

Kick-back Apron Safety Glasses


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Table Saw Safety TrainingTable Saw Safety Training

SAW SAFETYSAW SAFETY


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Table SawsTable Saws

Table saws are used for straight sawing.Table saws are used for straight sawing.

Depending on the blade, they cut either acrossDepending on the blade, they cut either across

(crosscut) or with (ripsaw) the grain of the(crosscut) or with (ripsaw) the grain of thewood.wood.


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Table Saw SafetyTable Saw Safety

Blade guard should restBlade guard should rest

on the wood.on the wood.

The blade should stick upThe blade should stick up

no more than aboveno more than above

the wood.the wood.

Make sure the rip fence isMake sure the rip fence is

locked into place.locked into place.

Lockout the saw beforeLockout the saw beforechanging the blade.changing the blade.

Dont cut with a dullDont cut with a dull

blade.blade.

On/Off Rip Fence

Height/Angle Blade

Adjustment

Blade Guard


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Power Tool Injury StatisticsPower Tool Injury Statistics

According to estimates made by the ConsumerAccording to estimates made by the Consumer

Product Safety Commission, more than 52,000Product Safety Commission, more than 52,000

injuries involving table saws, band saws, miterinjuries involving table saws, band saws, mitersaws, or radial arm saws, required medicalsaws, or radial arm saws, required medical

attention in the United States in 2001. 83% ofattention in the United States in 2001. 83% of

the injuries involved fingers. Almost all of thethe injuries involved fingers. Almost all of the

injuries were lacerations, amputations,injuries were lacerations, amputations,fractures, or avulsions.fractures, or avulsions.


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Operator InvolvementOperator Involvement

Adjust the height and angle of the bladeAdjust the height and angle of the blade

Push the stock into the bladePush the stock into the blade

Use the guide to maintain a straight cutUse the guide to maintain a straight cut

SelfSelf--feed or power table saws are equippedfeed or power table saws are equipped

with rollers or a conveyor system to hold thewith rollers or a conveyor system to hold the

lumber and forcelumber and force--feed it into the saw blade.feed it into the saw blade.


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Injury CausesInjury Causes

Inexperienced operatorInexperienced operator

Improper trainingImproper training

Inadequate or missing guardsInadequate or missing guards

Employee taking shortcuts / rushingEmployee taking shortcuts / rushing

Distracted operatorDistracted operator

Substance abuseSubstance abuse


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Point ofOperationPoint ofOperation

Potential Hazard:Potential Hazard:

Injuries can occur if an operators hands slipInjuries can occur if an operators hands slip

while feeding the stock into the saw, or if thewhile feeding the stock into the saw, or if theoperator holds his or her hands too close to theoperator holds his or her hands too close to the

blades while cutting. The operator can also beblades while cutting. The operator can also be

injured when removing scrap or finished piecesinjured when removing scrap or finished pieces

of stock from the table.of stock from the table.


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Solutions:Solutions: Enclose the portion of the ripsaw and crosscut saw above the tableEnclose the portion of the ripsaw and crosscut saw above the table

with a selfwith a self--adjusting guard as shown. The guard must adjust to theadjusting guard as shown. The guard must adjust to the

thickness of the material being cut and remain in contact with itthickness of the material being cut and remain in contact with it

[1910.213 (c)(1)[1910.213 (c)(1) andand (d)(1)](d)(1)]. Hinge the guard so that the blades can. Hinge the guard so that the blades canbe changed easily.be changed easily.

Use a push stick for small pieces of wood and for pushing stockUse a push stick for small pieces of wood and for pushing stock

past the blade.past the blade. [1910.213(s)(9)][1910.213(s)(9)]


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Additional Safety MeasuresAdditional Safety Measures

Keep hands out of the line of the cut.Keep hands out of the line of the cut.

Attach a brake to the motors arbor to stop theAttach a brake to the motors arbor to stop the

saw from coasting after the power has beensaw from coasting after the power has been

cut off, or have the operator remain at the sawcut off, or have the operator remain at the saw

station after the motor is shut off, until thestation after the motor is shut off, until the

blade stops turning.blade stops turning.


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Other Moving PartsOther Moving Parts


Injuries can occur if the operator makes contact withInjuries can occur if the operator makes contact with

the blade under the table or with the powerthe blade under the table or with the powertransmission apparatus (if not enclosed).transmission apparatus (if not enclosed).

Solution:Solution:

Always guard the portion of the blade below the table.Always guard the portion of the blade below the table.

Protect operators from possible contact when reachingProtect operators from possible contact when reaching

under the table.under the table. [1910.213(a)(12)][1910.213(a)(12)]

Always guard the power transmission apparatus (belts,Always guard the power transmission apparatus (belts,

pulleys, chains, sprockets, etc.).pulleys, chains, sprockets, etc.). [1910.213(a)(9)][1910.213(a)(9)]


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KickbacksKickbacks


Kickbacks occur when the blade catches the stock and throws it backKickbacks occur when the blade catches the stock and throws it back

toward the operator. Kickbacks can result if the blade height is nottoward the operator. Kickbacks can result if the blade height is not

correct or if the blade is not maintained properly.K

ickbacks are morecorrect or if the blade is not maintained properly.K

ickbacks are morelikely to occur when ripping, rather than crosscutting. Kickbacks alsolikely to occur when ripping, rather than crosscutting. Kickbacks also

can occur if safeguards are not used or if poorcan occur if safeguards are not used or if poor--quality lumber is cut.quality lumber is cut.

For ripsaws, use a spreader to prevent material from squeezing the sawFor ripsaws, use a spreader to prevent material from squeezing the saw

or kicking back during ripping.or kicking back during ripping. [1910.213(c)(2)][1910.213(c)(2)]

Use antiUse anti--kickback fingers to hold the stock down in the event that thekickback fingers to hold the stock down in the event that the

saw kicks back the material.saw kicks back the material. [1910.213(c)(3)][1910.213(c)(3)]

Maintain and sharpen blade.Maintain and sharpen blade. [1910.213(s)(2)][1910.213(s)(2)]

Wear kickback apronWear kickback apron..


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Additional Safety MeasuresAdditional Safety Measures

Use the proper blade for the cutting action. For example, do not use aUse the proper blade for the cutting action. For example, do not use a

crosscut blade for ripping.crosscut blade for ripping.

Operate the saw at the speed specified by the manufacturer.Operate the saw at the speed specified by the manufacturer. Leave sufficient clearance for stock.Leave sufficient clearance for stock.

Stand to the side of the saw blade to avoid injury due to kick back.Stand to the side of the saw blade to avoid injury due to kick back.

Guide the wood to be cut parallel to the rip fence to minimize theGuide the wood to be cut parallel to the rip fence to minimize the

potential for kick back.potential for kick back.

Avoid crosscutting long boards on table saws. Considerable handAvoid crosscutting long boards on table saws. Considerable hand

pressure is required close to the saw blade, and the boards create apressure is required close to the saw blade, and the boards create a

safety hazard to other people.safety hazard to other people.

Table saw with rip fenceTable saw with rip fence

Use a filler piece between the fence and the saw blade when necessaryUse a filler piece between the fence and the saw blade when necessary

such as when there is little clearance on the fence side.such as when there is little clearance on the fence side.

Properly support all pieces of stock, including the cut and uncut ends,Properly support all pieces of stock, including the cut and uncut ends,

scrap, and finished product.scrap, and finished product.


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Flying ParticlesFlying Particles


The cutting action of the blade may throw wood chips,The cutting action of the blade may throw wood chips,

splinters, and broken saw teeth.splinters, and broken saw teeth.Solution:Solution:

Remove cracked saw blades from service.Remove cracked saw blades from service.

[1910.213(s)(7)][1910.213(s)(7)]

AAdditional Safety Measuresdditional Safety Measures

Maintain sharp blades.Maintain sharp blades.

Safety Glasses and Faceshield are requiredSafety Glasses and Faceshield are required


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Easiest Injury Prevention fromEasiest Injury Prevention from

SawsSaws Avoid looseAvoid loose--fitting clothesfitting clothes

Tie back long hair that might becomeTie back long hair that might become

entangled in a power toolentangled in a power tool Remove rings, watches, neck chains and otherRemove rings, watches, neck chains and other

jewelryjewelry


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AmputationAmputation --UnguardedUnguarded

A worker was assembling parts of a cabinet when heA worker was assembling parts of a cabinet when he

noticed one of the parts needed another cut to fit.noticed one of the parts needed another cut to fit.

When he walked over to the operating side of the tableWhen he walked over to the operating side of the table

saw, he noticed that the blade guard was lying on thesaw, he noticed that the blade guard was lying on thefloor under the saw. Without installing the guard, thefloor under the saw. Without installing the guard, the

worker proceeded to make the cut and then reachedworker proceeded to make the cut and then reached

across behind the blade to remove the scrap piece.across behind the blade to remove the scrap piece.

While dragging the scrap piece towards himself, theWhile dragging the scrap piece towards himself, thescrap caught on the blade and pulled his hand rightscrap caught on the blade and pulled his hand right

into the unguarded rotating blade. This resulted ininto the unguarded rotating blade. This resulted in

multiple finger amputations on his left hand.multiple finger amputations on his left hand.


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Rip Saw finger amputationRip Saw finger amputation

A worker was ripping a wooden work piece with a dado on a manualA worker was ripping a wooden work piece with a dado on a manual--

feed table rip saw. When the work piece began to bind, the workerfeed table rip saw. When the work piece began to bind, the worker

attempted to move the work piece through by pushing hard on it inattempted to move the work piece through by pushing hard on it in

the normal direction of operation. The work piece subsequentlythe normal direction of operation. The work piece subsequentlybroke free, exposing the circular saw blade underneath whichbroke free, exposing the circular saw blade underneath which

caught the worker's fingers on his right hand.caught the worker's fingers on his right hand. The worker sufferedThe worker suffered

amputations of his index and little finger at the first knuckle, andamputations of his index and little finger at the first knuckle, and

middle and ring fingers at the second knuckle. The worker shouldmiddle and ring fingers at the second knuckle. The worker should

have used a push stick to free the binding work piece instead ofhave used a push stick to free the binding work piece instead of

his right hand.his right hand.


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Lockout / TagoutLockout / Tagout

Remove the energy source to theRemove the energy source to the

equipment so the equipment will notequipment so the equipment will not

startstart--up accidentally.up accidentally. The table saw must be locked out:The table saw must be locked out:

during lunch and at the end of each shiftduring lunch and at the end of each shift

if the tableif the table--saw is not used consistentlysaw is not used consistentlythroughout the daythroughout the day

when changing the bladewhen changing the blade

when maintenance is conducted on the sawwhen maintenance is conducted on the saw


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What is next?What is next?

Watch and discuss DVDWatch and discuss DVD

Go over Table Saw CommandmentsGo over Table Saw Commandments

each Team Mate must sign and turn in.each Team Mate must sign and turn in.

Take written testTake written test must make amust make a

minimum score of 75% to be eligible forminimum score of 75% to be eligible for

certification.certification. Take handsTake hands--on teston test

Program Developed by: Kelly F. Moore

table saw safety final

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