Safety in the Machine Shop

Modern Metal working by John R walkerChapter 4 (Safety practices)

Class Rules Attendance at the start of the class- any body

missing will be marked absent Be attentive and never hesitate to ask any

question Quiz at the end of almost every theory class

Learning Objectives Recognize safe and unsafe work practices in

a shop Identify and correct hazards in the shop area Perform your job in a manner that is safe for you

and other workers

Industrial Safety Awareness 4

Industrial Safety Awareness 5

Safety on the Job A safe worker should

Be neat, tidy and dress up correctly for job being performed

Develop responsibility for personal safety and safety of fellow workers

Think and work safely at all times

Industrial Safety Awareness 6

Safety in the Shop Divided into two broad categories

Practices that will prevent injury to workers Practices that will prevent damage to machines and

equipment Areas to be considered for above

Personal grooming (Dress etc) Proper housekeeping Safe work practices Fire prevention

7

Personal Grooming When Working in

Machine Shop Always wear approved

eye protection Plain safety glasses with

side shields Plastic safety goggles Face shields

8

Never wear loose clothing Wear short sleeves, close buttons of long sleeves or

rolled them up Always wear shop apron Remove or tuck in all neckties Always tie shop apron in the back

Remove wrist watches, ear-rings, nose-rings, and bracelets

Personal Grooming When Working in

Machine Shop

9

Never wear gloves around rotating spindles

Long hair must be protected by hair net or cap

No canvas or open-toes sandals

Personal Grooming When Working in

Machine Shop

10

Personal GroomingWear head gear if necessary Tie long hair back

Remove jewellery

Wear ear protection if necessary

Wear safety glasses

Never wear loose clothing

No open toe shoes

11

Housekeeping Stop machine before

cleaning it Keep machine and hand

tools clean Use brush and not cloth to

remove chips Use cloth to clean oily

surfaces Do not place tools and

materials on machine table

Keep floor free from oil and grease

Sweep up metal chips on floor frequently

Never place tools or materials on floor close to machine

Return bar stock to storage rack after cutting

Never use compressed air to remove chips from machine

12

Housekeeping

13

Safe Work Practices Do NOT operate any machine before

understanding its operation Before operating a machine, check that

safety devices are in place and working Disconnect power and lock it off at switch

box when making repairs to machine

14

Make certain that cutting tool and work piece are properly mounted

Keep hands away from moving parts Always stop machine before measuring,

cleaning, or making any adjustments

Safe Work Practices

15

Never use rag near moving parts Never have more than one person operate

machine at same time Get first aid immediately for any injury Remove all burrs and sharp edges with file

before handling any work piece

Safe Work Practices

16

Do not lift heavy or difficult to handle objects by yourself

Use safe lifting practicesAssume squatting position (knees bent,

back straight)Grasp work piece firmlyLift object by straightening legs (back

straight)

Safe Work Practices

17

Be sure work is clamped securely to table

Never start machine until you are sure that cutting tool and machine parts will clear work piece

Use proper wrench for job Safer to pull on wrench than push it

Safe Work Practices

18

Fire Prevention Always dispose of

oily rags in proper metal containers

Know location and operation of every fire extinguisher

19

Fire Prevention Know location of nearest fire exit from building

Know location of nearest fire-alarm box and its operating procedure

When using a welding or cutting torch, be sure to direct sparks away from combustible material

Summary Wear proper dress and protective gear Do not play with machines Keep safety always in your mind Read safety instructions and notices before work

Assignment Reading Assignment (Chapter 4) Workshop survey for unsafe

Equipment Acts and practices Potential hazards

Submission on 13-4-2015

Questions