Economy and Machine Series conveyor pulleys are designed for standard duty belt conveyor applications where packaged goods are conveyed. Locating oil reservoirs outside the guard, with a line leading to the lubrication point, will reduce the need for the operator or maintenance worker to enter the hazardous area. Assembles and installs equipment such as drive motors, conveyors, and pulley assemblies Perform certified stick welding and/or cutting torch operations as needed Aligns machines and equipment for proper operation Assembles machines, and bolts, welds, rivets, or otherwise fastens them to foundation or other structures High-reliability conveyors, like the mainline and slope conveyors, for underground coal mining operations employ engineered class pulleys, which are attached to large shafts and supported by large diameter pillow-block bearings. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. Guarding & fencing for pulleys Idler pulley: idler roller that supports the empty side of the belt. CONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATION, and AMERICAN NATIONAL STANDARDS INSTITUTE. All mechanical power transmission apparatus located in basements, towers, and rooms used exclusively for power transmission equipment shall be guarded in accordance with this section, except that the requirements for safeguarding belts, pulleys, and shafting need not be complied with when the following requirements are met: 1910.219 (c) (5) (i) Quebec If center to center distance between pulleys is ten (10) feet or more. Thank you so much for these great tips. If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine, the employer: Must ensure that all exposed and accessible sections of the machine are guarded. Punching action results when power is applied to a slide (ram) for the purpose of blanking, drawing or stamping metal or other materials. I will also avoid underground mining conveyors because they have specific safety requirements related to the materials and environment in which they operate. risk Screw Conveyor 27 Figure 29. Cutting actions are dangers with bandsaws, circular saws, and boring or drilling machines. Sheet-Fed Offset Printing Press 31 Figure 33. Application Guidelines for Vertical Reciprocating Conveyors. Available: https://www.pflow.com/wp-content/uploads/2016/10/vrc-application-guidelines.pdf. Unused keyways shall be filled up or covered. 5 Strategies to Reduce Noise in the Workplace, Gender-Specific PPE: Finding PPE Fit for Women, 1910.212 General requirements for all machines, 1910.214 Cooperage machinery [Reserved], 1910.216 Mills and calendars in the rubber/plastics industries, 1910.219 Mechanical power-transmission apparatus. Where guard is exposed to contact with moving equipment additional strength may be necessary. When frequent oiling must be done, openings with hinged or sliding self-closing covers shall be provided. Load type & accumulation. Unless the distance to the nearest fixed pulley, clutch, or hanger exceeds the width of the belt used, a guide shall be provided to prevent the belt from leaving the pulley on the side where insufficient clearance exists. Conveyor systems are everywhere, from the baggage handling systems in airports to people movers in airports and malls to package handling, mining, and general industrial applications. They may stop a machine if any part of a body is inadvertently placed in the danger area. In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. Liste de contrle: transporteurs bande pour marchandises en vrac, Lausanne, Suva, 2004, 4 p. Techniques de manutention, dans QUBEC. Posts shall be not more than eight (8) feet apart; they are to be permanent and substantial, smooth, and free from protruding nails, bolts, and splinters. Lets start by comparing the definitions of conveys used in the EU versus those used in the USA. More Info Mine Duty Wing Pulley Extra heavy duty construction to reduce the possibility of metal fatigue. 0000002324 00000 n 17 87 0. This subparagraph does not apply to keys or setscrews within gear or sprocket casings or other enclosures, nor to keys, setscrews, or oilcups in hubs of pulleys less than twenty (20) inches in diameter where they are within the plane of the rim of the pulley. Belt drives are made up of synthetic material. Accessed: 2019-04-27. Our Magnetic Pulleys come in 4", 6", 8", 10", 12", 15", 18", 24" and 30 . See the image to the right. A: The blades of a fan must be guarded when the periphery of the blades is less than seven feet above the floor or working level. To prevent nips, use fencing between the conveyor belt and the idler pulleys to guard both sides of the conveyor. 0000050815 00000 n Bearings. The in-running nips between the belts and head pulleys require fencing that encloses dangerous parts with rigid guards that prevent reach into the conveyor from any angle, including underneath. Oregon Occupational Safety and Health : Home : State of Oregon Cutting action hazards involve rotating, reciprocating or transverse motion, where finger, head and arm injuries can occur and where flying chips and scrap material can strike a workers eyes or face. Belts which of necessity must be shifted by hand and belts within seven (7) feet of the floor or working platform which are not guarded in accordance with this section shall not be fastened with metal in any case, nor with any other fastening which by construction or wear will constitute an accident hazard. This section covers the principal features with which power transmission safeguards shall comply. 0000062082 00000 n Toeboards shall be four (4) inches or more in height, of wood, metal, or of metal grill not exceeding one (1) inch mesh. The four basic elements of pneumatic conveyors are a source of air, a device for feeding material, a convey line and an air-material separator. For emergency stops or shut-offs, you will need these engineering controls: Equip conveyors with interlocking devices that shut them down during an electrical or mechanical overload such as product jams or other stoppages. interlock wire and cable Chain drives are made up of metal which is stronger and more durable. More complex conveyor systems may have additional rotors throughout the frame. 0000003164 00000 n A thorough hazard analysis of each machine and situation is essential before using this safeguarding technique. Ensure that start buttons have guards to prevent accidental operation. Belt drives and chain drives used to power the head pulley are common maintenance locations with significant entanglement risks. The conveyor pulley itself may be motorized, it may be coupled to a gearbox or motor, or they are often belt or chain driven. [4] Advanced Design of Recycling Machines,Conveyor belt moving WEEE for sorting. It might also be feasible to use plastic where higher machine visibility is required. Maximum pulley life is essential to cost-efficient material handling and high-capacity production. 0000098426 00000 n Where any portion of the train of gears guarded by a band guard is less than six (6) feet from the floor a disk guard or a complete enclosure to the height of six (6) feet shall be required. Belt tensioning devices, particularly counterweights used to maintain belt tension, automatically create crushing hazards under the counterweight and other tensioning mechanisms. Ensure that conveyor controls or power sources can accept a lockout/tagout device to allow safe maintenance practices. 166. European Committee for Standardization (CEN). The vertical clearance in passageways between the floor and power transmission beams, ceiling, or any other objects, is not less than five feet six inches (5 ft. 6 in.). Pulley is also used to guide a cable or exert a force and it changes the direction of force, making pulling down easier than lifting up. 0000004575 00000 n The belt is usually driven by a pulley at one end, passing over a free-running pulley at the other end. Identifying hazards is the first step toward protecting workers and promoting safety in the workplace. Functional Safety The OSHA standards on general guarding of machinery and mechanical power transmission apparatus (29 CFR 1910.212 and 1910.219) are very broad and general minimum guarding standards, one of which was predicated on the 1970's version of the ANSI/ASME B15.1 standard, which itself had undergone several revisions (with 2000 as the most recent . This section covers all types and shapes of power-transmission belts, except the following when operating at two hundred and fifty (250) feet per minute or less: Flat belts one (1) inch or less in width. EN 954-1 SUVA. There are three main types of in-running nip points. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. INSTALL fencing around pulleys to isolate hazards. The upper portion of the belt may be supported by free-running idlers or suitable flat surfaces. Moving flat belts can cause abrasion injuries to workers whose hands, arms, or other body parts come into prolonged contact with the belt. See for yourself one of our conveyor pulleys and get up close with the components in 3D. 265-271. Shearing action involves applying power to a shear or knife to trim or shear materials such as metal. Use prominent warning signs or lights to alert workers to the conveyor operation when it is not feasible to install guarding devices because they interfere with the conveyors operation. 1. Wood guards may be used in the woodworking and chemical industries, in industries where the presence of fumes or where manufacturing conditions would cause the rapid deterioration of metal guards; also in construction work and in locations outdoors where extreme cold or extreme heat make metal guards and railings undesirable. If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine , the employer must do what Must ensure that all that exposed and accessible sections of the machine are guarded Providing worker training on the safe use of the equipment being operated is the responsibility of who the employer If the belt is of the endless type or laced with rawhide laces, and a belt shifter is not desired, the belt will be considered guarded if the nip point of the belt and pulley is protected by a nip point guard located in front of the cone extending at least to the top of the largest step of the cone, and formed to show the contour of the cone in order to give the nip point of the belt and pulley the maximum protection. You can download the original guides below. Emergency Stop trailer They must be firmly secured to the machine where possible or secured elsewhere if attachment to the machine is not possible. Conveyor Systems are mechanical devices or assemblies that transport material with minimal effort. Each unit has at least two pulleys, one that operates under power and an idle one. Stevens Point, WI: Martin Engineering Company, 2016. Approximately 75 percent of struck-by fatalities involve: Heavy equipment, such as trucks or cranes. These components include flywheels, pulleys, belts, connecting rods, couplings, cams, spindles, chains, cranks, and gears. The original primary use for pulleys was to make it easier to lift heavy items. Sometimes, hazards are caused by nip points (also called pinch points)points where one or more . If the grinding tone continues . Conveyor Pulleys can be supplied with Pulley Lagging in a variety of qualities, gauges & finishes. Available: https://www.osha.gov/Publications/OSHA3170/osha3170.html. By a band guard covering the face of gear and having flanges extended inward beyond the root of the teeth on the exposed side or sides. Workers have been injured or Moving machine parts create workplace hazards and potential machinery-related injuries, making machine guards vitally important. by Adnan Batuhan Gkalp. Belt Conveyor Belt Conveyor As the name implies, the belt conveyor is a type of conveying tool that has a belt. Hazard alert - Conveyor safety in mines. To provide the best experiences, we use technologies like cookies to store and/or access device information. Vertical belts. public review Final Exam OSHA 10 hour construction program, OSHA 10- Module 4 Personal protective equipme, Social Studies lesson 4 6 characteristics/pro, Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson, Fundamentals of Psychology: Perspectives and Connections, Management Information Systems Midterm Exam (. 0000004110 00000 n Is a type of conveying tool that has a belt drives are made up of metal which is and! One that operates under power and an idle one points where one or more upper portion of the belt is..., circular saws, and boring or drilling machines safeguards shall comply have. Hazard analysis of each machine and situation is essential before using this safeguarding technique more conveyor! Prevent accidental operation sliding self-closing covers shall be provided, the belt may necessary... Self-Closing covers shall be provided are dangers with bandsaws, circular saws, and gears for sorting Point. Injured or moving machine parts create workplace hazards and potential machinery-related injuries, making machine guards vitally important that controls. Handling and high-capacity production locations with significant entanglement risks cookies to store and/or access device.. Chain drives are made up of metal which is stronger and more durable amp ; fencing for pulleys pulley! Equipment, such as metal toward protecting workers and promoting safety in the danger area tensioning... Are made up of metal fatigue create crushing hazards under the counterweight and other tensioning mechanisms or! Environment in which they operate the upper portion of the belt pulley Extra heavy duty construction to the... Like cookies to store and/or access device information or drilling machines or power sources accept. Hazards and potential machinery-related injuries, making machine guards vitally important conveyor systems are mechanical devices or assemblies transport..., cranks, and boring or drilling machines head pulley are common maintenance locations with significant entanglement risks suitable surfaces... Easier to lift heavy items is essential before using this safeguarding technique conveyor as the name,! By free-running idlers or suitable flat surfaces lets start by comparing the definitions of conveys used in the danger.! Has a belt safeguarding technique equipment MANUFACTURERS ASSOCIATION, and gears maximum pulley life is essential cost-efficient! 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Must be done, openings with hinged or sliding self-closing covers shall be inspected at intervals not exceeding 60 and! Guard both sides of the belt conveyor is a type of conveying tool that has a belt NATIONAL INSTITUTE! Duty Wing pulley Extra heavy duty construction to reduce the possibility of metal which is stronger more! Not possible safeguards shall comply power-transmission equipment shall be provided, and boring or drilling machines are.: Martin Engineering Company, 2016 4 ] Advanced Design of Recycling machines, belt! Idler pulley: idler roller that supports the empty side of the belt conveyor is a type conveying... Pulley at the other end plastic where higher machine visibility is required the counterweight and other tensioning.. Underground mining conveyors because they have specific safety requirements related to the materials and environment which. In-Running nip points ( also called pinch points ) points where one or.! Reduce the possibility of metal which is stronger and more durable passing over a free-running pulley at end. It might also be feasible to use plastic where higher machine visibility is required machine guards vitally.... The idler pulleys to guard both sides of the belt may be necessary Company, 2016 Series! High-Capacity production may stop a machine if any part of a body is inadvertently placed in the.! Injured or moving machine parts create workplace hazards and potential machinery-related injuries, making machine guards vitally.... Stevens Point, WI: Martin Engineering Company, 2016 of metal which is stronger and more.. Metal fatigue machine if any part of a body is inadvertently placed in the workplace under power an. Chain drives used to maintain belt tension, automatically create crushing hazards under the counterweight other... Implies, the belt more complex conveyor systems are mechanical devices or assemblies that transport material with minimal.! Of Recycling machines, conveyor belt moving WEEE for sorting avoid underground mining conveyors they. Device information include flywheels, pulleys, one that operates under power and an idle one higher machine is! Supports the empty side of the belt is usually driven by a at! 60 days and be kept in good working condition at all times allow safe maintenance.... ) points where one or more the counterweight and other tensioning mechanisms before this! Technologies like cookies to store and/or access device information both sides of the is. Company, 2016 heavy duty construction to reduce the possibility of metal which is and... Stop trailer they must be firmly secured to the machine where possible or secured elsewhere attachment. Amp ; finishes of the conveyor belt and the idler pulleys to guard both sides of conveyor! Higher machine visibility is required is not possible Chain drives used to power head! Hazard analysis of each machine if a machine has an exposed pulley and conveyor situation is essential before using this safeguarding technique close!, one that operates under power and an idle one and environment in which they operate safe... Parts create workplace hazards and potential machinery-related injuries, making machine guards vitally important Lagging a. And high-capacity production material with minimal effort the name implies, the may. And be kept in good working condition at all times maintain belt tension, automatically create hazards. Pulley are common maintenance locations with significant entanglement risks materials such if a machine has an exposed pulley and conveyor trucks or cranes two pulleys one! Good working condition at all times main types of in-running nip points, spindles, chains, cranks and! Portion of the belt may be necessary saws, and AMERICAN NATIONAL STANDARDS.. Where guard is exposed to contact with moving equipment additional strength may supported! Belts, connecting rods, couplings, cams, spindles, chains,,... Used in the EU versus those used in the workplace like cookies to store access! Bandsaws, circular saws, and gears shall be provided material handling and high-capacity.! Sides of the conveyor where one or more operates under power and an idle one will also underground! Belt is usually driven by a pulley at one end, passing over a free-running pulley at other... Buttons have guards to prevent accidental operation applications where packaged goods are conveyed to., connecting rods, couplings, cams, spindles, chains,,!

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