Machine Shops Manual Ohio Bwc-Books Pdf

Machine Shops Manual Ohio BWC
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Introduction, BWC s Division of Safety Hygiene The combination of proactive safety strategies. identified machine shops as one of the most outlined in this manual and a hands on claims. hazardous industries in Ohio This manual management will help you reduce injuries. identifies its safety and health workplace and lower costs However this manual is not. concerns and summarizes effective accident all encompassing and is not a document for. prevention principles and techniques It also compliance You must make safety and health. provides management and employers with programs individualized to meet your specific. information to help them work safely and needs, enables safety teams to meet their goals and. obligations BWC s goal is to help companies eliminate. incidents and injuries while reducing workers, Machine shop work generally includes all compensation expenses You can learn more. cold metal work by which an operator using about other safety services BWC offers offered. either power driven equipment or hand tools by visiting ohiobwc com or calling 1 800 OHIOBWC. removes a portion of the metal and shapes to request a Safety Services Catalog. it to a specified form or size Machine tools, are power driven equipment designed to drill. bore grind or cut metal or other material, BWC realizes companies within this industry.
have individual needs and that not all the, information presented here is pertinent to. every employer However by improving, safety and preventing accidents you can. protect your work force and at the same time, reduce your workers compensation costs. Table of Contents, Chapter Subject Page No, Introduction 2. 1 Hand tools 4, 2 Ladders 5, 3 Power tools 6, 4 Flammable and combustible liquids 9.
5 Welding and cutting 11, 6 Compressed gas cylinders 12. 7 Personal protection equipment 13, 8 Emergency action plans 15. 9 Powered industrial trucks 17, 10 Overhead and gantry cranes 21. 11 Slings 23, 12 Hazard communication standard 27, 13 Machinery and machine guarding 28. 14 Lockout tagout 32, 15 Electrical safety 33, Hand tools.
Hand tools are non powered tools including Do not use a wrench if the jaws are sprung. wrenches hammers chisels and screwdrivers Do not use impact tools such as chisels. While hand tool injuries tend to be less severe wedges or drift pins if their heads are mush. than power tool injuries hand tool injuries are room shaped The heads may shatter upon. more common Contributing factors that cause impact. the most common hand tool accidents Direct saw blades knives and other tools. Failure to use the right tool away from aisle areas and other employees. Failure to use a tool correctly Keep knives and scissors sharp Dull tools are. Failure to keep edged tools sharp more dangerous than sharp tools. Failure to replace or repair a defective tool Iron or steel hand tools may cause sparks and. Failure to store tools safely be hazardous around flammable substances. Use spark resistant tools made from brass, Safety guidelines plastic aluminum or wood when working. Wear safety glasses whenever you hammer around flammable hazards. or cut especially when working with surfaces, that chip or splinter Improper tool storage is responsible for many. Do not use a screwdriver as a chisel The tool shop accidents so. can slip and cause a deep puncture wound Have a specific place for each tool. Do not use a chisel as a screwdriver The tip Do not place unguarded cutting tools in a. of the chisel may break and cause an injury drawer. Do not use a knife as a screwdriver The blade Store knives or chisels in their scabbards. can snap and injure an eye Hang saws with the blades away from. Never carry a screwdriver or chisel in your someone s reach. pocket If you fall the tool can cause a serious Provide sturdy hooks to hang or storage area. injury Instead use a tool belt holder for tools most tools on. Replace loose splintered or cracked handles Rack heavy tools such as axes and sledges. Loose hammer axe or maul heads can fly off with the heavy end down. defective handles, Use the proper wrench to tighten or loosen. nuts Pliers can chew the corners off a nut, Always chip or cut away from yourself when. using a chisel Use a softheaded hammer, or mallet to strike a wooden chisel handle.
A metal hammer or mallet may cause the, handle to split. Ladders come in different styles including Do not place the top of a ladder against a win. step straight and extension They also vary in dow or an uneven surface. construction and may consist of wood aluminum Tie the top of a straight or extension ladder to. or fiberglass Choose the correct type and size supports when possible Stake and tie the feet. ladder for the job Type I or IA ladders are re of the ladder. quired in the work environment An extension ladder used for access to a roof. must extend at least 3 feet beyond the support, All ladders sold within the United States are rated point. as Use a wooden or fiberglass ladder if you must, Type I or IA Heavy duty industrial ladder rated work near electrical sources. to hold up to 50 or 300 pounds respectively Do not place a ladder in front of a door unless. Type II Medium duty commercial ladder rated you lock and barricade the door and post a. to hold up to 225 pounds warning sign on the opposite side of the door. Type III Light duty household ladder rated to Use good judgment when climbing or working. hold up to 200 pounds on ladders, Wear shoes with slip resistant soles and make. Safety guidelines sure they are dry before climbing. Always inspect a ladder before you climb it Never allow more than one person on a ladder. Make sure the steps are sturdy and the lock Face the ladder and firmly grip the rails not. ing mechanisms are functional the rungs with both hands when climbing or. Carry ladders horizontally with the front end descending. slightly higher than the back end Keep your body between the rails at all times. To open a stepladder make sure you lock the Do not shift your weight to one side. spreader and place the pail shelf is in position Have somebody steady the ladder if you can. To open an extension ladder brace the bottom not secure it otherwise. end and push the rungs or rails out Do not stand on the top four rungs of an ex. Place ladders on a solid level surface to en tension ladder or the top two rungs of a step. sure safety ladder, Watch for overhead obstructions and power Keep two feet and one hand on the ladder at all.
lines times when working on a ladder, To prevent ladders from sinking into soft Do not stand on the bucket shelf of a ladder. ground use a large board under the feet of Carry small tools on a tool belt when work. the ladder ing on a ladder Use a rope to raise and lower. Position a straight or extension ladder so that heavy tools. its base is 1 foot away from the vertical sup Never leave a raised or open ladder unattended. port for every 4 feet of working ladder height Store ladders away from heat and moisture. e g if you are work ing with eight feet of lad Destroy damaged or unsafe ladders. der place the base of the ladder 2 feet from, Power tools. Common accidents associated with power tools Disconnect power tools before perform. include abrasions cuts lacerations amputa ing maintenance or changing compo. tions burns electrocutions and broken bones nents, Contributing factors include that often cause Remove chuck keys or adjusting tools. these accidents include prior to operation, Touching the cutting drilling or grinding com Keep bystanders away from moving ma. ponents chinery, Getting caught in moving parts Do not operate power tools when you are.
Suffering electrical shock due to improper sick fatigued or taking strong medication. grounding equipment defects or operator Secure work pieces with a clamp or vise. misuse to free the hands and minimize the chance, Particles striking the operator that normally of injury when possible Use a jig for. eject during operation pieces that are unstable or do not lie flat. Touching hot tools or work pieces Never wear gloves loose clothing jew. Falling in the work area elry etc when working with power tools. Falling tools striking a worker, Drill presses, Safety guidelines Securely fasten work materials to prevent. Use the correct tool for the job spinning Never use your hands to secure. Select the correct bit blade cutter or grinder work materials. wheel for the material at hand This precau Use a center punch to score the material. tion will reduce the chance for an accident before drilling. and improve the quality of your work Run the drill at the correct speed Forcing. Keep all guards in place Cover exposed belts or feeding too fast can break drill bits. pulleys gears and shafts that can cause injury Never attempt to loosen the chuck unless. Always operate tools at the correct speed for the power is off. the job at hand Working too slowly can cause Lower the spindle before removing a. an accident just as easily as working too fast chuck. Watch your work when operating power Never use a regular auger bit in a drill. tools Stop working if you are distracted press, Do not rely on strength to perform an op Frequently back the drill out of deep cuts. eration The correct tool blade and method to clean and cool the bit. should not require excessive strength If you Secure or anchor portable drills. have to use undue force you may be using Never wear gloves loose clothing jew. the wrong tool or have a dull blade elry etc when working with a drill press. Disconnect from power source before clear Guard the point of operation on all drill. ing jams or blockages on power tools Do not presses This includes the spindle chuck. use your hand to clear jams or blockages use and belt and pulley system. an appropriate tool, Never reach over equipment while it is running Grinders. Never disable or tamper with safety releases Ensure no combustible or flammable. or other automatic switches materials are nearby that sparks from the. Use a push stick to move material through a grinder wheel can ignite. machine when the chance for operator injury Ensure a guard covers at least 270. is great degrees of the grinding wheel on bench, mounted machines.
Place the upper peripheral guard tongue Keep hands off the chuck rim when the lathe. guard one fourth inch above the grinding is moving. wheel for bench or pedestal grinders Start jobs at the lowest speed Ensure materi. Place the grinder tool rest one eighth inch from als are in a cylindrical form before advancing. the wheel and slightly above the center line to higher speeds Never turn large diameter. Allow the grinder to reach full speed before materials at a high speed. stepping into the grinding posi tion Faulty Firmly screw faceplate work to the faceplate. wheels usually break at the start of an opera Take care to avoid cutting too deep and hitting. tion the screws, Grind on the face of the wheel unless other Do not cut too deep or scrape too long. wise designed Remove the T rest when sanding or polishing. Use a vise grip plier or clamp to hold small, pieces Safety guidelines for metal lathes. Slowly move work pieces across the face of Make sure that all gear and belt guards are in. wheel in a uniform manner This will keep the place. wheel sound Never leave a chuck wrench in a chuck, Do not grind non ferrous materials Keep your hands off chuck rims when a lathe. Periodically check grinder wheels for sound is in operation. ness Suspend the wheel on a string and tap it Do not attempt to screw the chuck onto the. If the wheel rings it is probably sound lathe spindle with the power on as it may. Replace badly worn or cracked wheels get cross threaded and cause injury Stop the. Never use a dropped wheel or one that re machine place a board under the chuck and. ceived a heavy blow even if there is no appar then screw on by hand. ent damage Properly adjust steady rests to conform to the. Before using a new wheel run it a few sec material you are working on. onds at full speed to ensure it is balanced Always face the head stock and chuck when. Secure or anchor in place pedestal or bench filing work in a lathe. grinders Properly clamp the tailstock toolholder and. Never wear gloves loose clothing jewelry work before turning on power. etc when working with grinders Never attempt to adjust a tool while the lathe. Use a faceshield in addition to eye protection is running. when using a grinder for any operation Never apply a wrench to revolving work or. Lathes Always use a brush to remove chips never, Examine wood for knots and other defects your hands. before placing it in the lathe Use pipe sleeves to cover work protruding. Ensure that glued materials are set before from the end of the lathe when possible. placing them in the lathe Remove the tool bit before you remove your. Ensure that appropriate chuck guards and chip work from the lathe. guards are in place prior to starting the ma, chine Pneumatic fastening tools.
Slowly turn rough materials a few times to en Compressed air powers nail guns and air guns. sure they will clear the tool rest before turning The main danger associated with pneumatic. the lathe on fastening tools is injury from one of the tool s. attachments or fasteners, Ensure you equip pneumatic tools that shoot. nails rivets or staples with a device that keeps, fasteners from ejecting unless you press the. identified machine shops as one of the most hazardous industries in Ohio This manual identifies its safety and health workplace concerns and summarizes effective accident prevention principles and techniques It also provides management and employers with information to help them work safely and enables safety teams to meet their goals and obligations Machine shop work generally includes

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