Risk Assessment (tag) If you hear a grinding tone this is not good. Means must be provided to prevent tightener from falling, in case the belt breaks. CONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATION. DEPARTMENT OF LABOR. American Society of Mechanical Engineers (ASME). For flywheels with smooth rims five (5) feet or less in diameter, where the preceding methods cannot be applied, the following may be used: A disk attached to the flywheel in such manner as to cover the spokes of the wheel on the exposed side and present a smooth surface and edge, at the same time providing means for periodic inspection. User-built guards might not conform well to the configuration and function of the machine and might be poorly designed or built. In the process of doing some work, a pulley is a simple machine that changes the direction and magnitude of the applied force. 29 Code of Federal Regulations (CFR) 1910 Subpart O. The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. These components include flywheels, pulleys, belts, connecting rods, couplings, cams, spindles, chains, cranks, and gears. The process of adopting nip point guarding as well as peripheral guarding has been progressive, usually in response to an accident resulting from ineffective or missing peripheral guards. 0000001416 00000 n Section 12.23 states "A belt conveyor must have accessible nip points of spools and pulleysguarded to prevent contact by a worker." And, section 12.22 states "Unless otherwise permitted by this Regulation, a conveyor must meet the requirements of ANSI Standard ANSI/ASME B20.1-1993,Safety Standards for Conveyors and Related Equipment". Edges of safeguards should be rolled or bolted so that they eliminate sharp edges. Security check to access the possibility of changing to an employee who inadvertently. These economical Magnetic Separation Pulleys can be used to replace your existing head pulleys to turn your material handling conveyor into a material separation conveyor. More Info Mine Duty Wing Pulley Extra heavy duty construction to reduce the possibility of metal fatigue. Guards for horizontal overhead belts shall run the entire length of the belt and follow the line of the pulley to the ceiling or be carried to the nearest wall, thus enclosing the belt effectively. 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.). 2002 + A1:2010. 2002+A1:2010. Sprockets for Conveyor Chain Belts. systems engineering Convoyeurs dans QUBEC. pressure-sensitive device 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. All exposed parts of horizontal shafting seven (7) feet or less from floor or working platform, excepting runways used exclusively for oiling, or running adjustments, shall be protected by a stationary casing enclosing shafting completely or by a trough enclosing sides and top or sides and bottom of shafting as location requires. ASSOCIATION FRANAISE DE NORMALISATION. Lets start by comparing the definitions of conveys used in the EU versus those used in the USA. KEEP the area around shears clear of slip and trip hazards. Post appropriate hazard warning signs at all crossovers, aisles, and passageways. The diagram above comes from A Users Guide to Conveyor Belt Safety, published by the CSST (now called the CNESST) and the IRRST in Montral, Qubec, Canada. Be secure: Workers should not be able to easily remove or tamper with the safeguard. Principes de base pour la manutention, [Montral], Via Prvention, [2012], 2 p. (Procdure scuritaire de travail), http://www.viaprevention.com/upload/viaprevention/publications/2012731143829-2.pdf . There are three types of pulleys, Fixed: A fixed pulley is mounted on an axle that has bearings at its centre. Belt drives and chain drives used to power the head pulley are common maintenance locations with significant entanglement risks. Safeguards are classified as either guards or devices. Guarding by location locating moving parts away from employees to prevent accidental contact with the hazard point is one option for guarding conveyors. Hazard alert - Conveyor safety in mines. Airtek manufactures conveyor belt dryer machines that adapt to various processes, different types of materials, and humidity ranges. single strand V-belts, the width of which is thirteen thirty-seconds (1332) inch or less. 2. In this article, I will cover the basic requirements for some of the common types of conveyors, and Ill be referencing the most common conveyor standards and regulations in use today. Guards are barriers which prevent access to dangerous areas. Vertical and inclined belts shall be enclosed by a guard conforming to standards in paragraphs (m) and (o) of this section. A pulley for a belt conveyor comprising: (a) a roller shaft; (b) a generally cylindrical roller tube mounted on said roller shaft, said roller tube being rotatable about an axis of said roller shaft; (c) said roller tube including first and second end portions disposed on opposite sides of a central portion; (d) a pair of circumferentially . Where guard is exposed to contact with moving equipment, additional strength may be necessary. Your email address will not be published. EU 0000050619 00000 n [4] Continuous material handling equipment and systems Safety and EMC requirements for fixed belt conveyors for bulk materials, EN 620. Montreal: CSST Commission de la sant et de la scurit du travail du Qubec, 2003. Belt fasteners. 0000001892 00000 n Start with writing down the known values. 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. All guards for inclined belts shall be arranged in such a manner that a minimum clearance of seven (7) feet is maintained between belt and floor at any point outside of guard. It features high drying speed, a large processing capacity, powerful evaporation strength, modular assembly, and a PLC control panel. If the frame of the belt shifter does not adequately guard the nip point of the belt and pulley, the nip point shall be further protected by means of a vertical guard placed in front of the pulley and extending at least to the top of the largest step of the cone. Risk assessment and management for mines and mining plants. The primary standards sources related to conveyors and used in this article include: [1] Safety Standard for Conveyors and Related Equipment, ASME B20.1. 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. EQUIP crossovers with stairs and handrails. Pulley speeds. Ensure that all underpasses have protected ceilings. Standard conditions shall be secured by the use of the following materials. 1994-2021, W.W. Grainger, Inc. All Rights Reserved. PXT30 Bushing Series. They may require both hands on a control, therefore keeping both hands out of the danger area. 33 56 Locking element. Prevent contact: The safeguard must prevent hands, arms or any other part of a workers body from contacting dangerous moving parts. Install marked, unobstructed emergency stop buttons or pull cords within easy reach of workers. The guide is available as a download at the bottom of this article. Workers have been injured or Pneumatic cylinders and mechanical springs can create crushing hazards in the mechanisms and add trapped energy hazards that can cause catastrophic injuries if the belt should break during maintenance. The pulley is a simple machine made with a wheel and a rope, cord, or chain. Each unit has at least two pulleys, one that operates under power and an idle one. The roller is constructed out of stainless steel, 304 SS quality, which gives strong corrosion resistance. Application Guidelines for Vertical Reciprocating Conveyors. Available: https://www.pflow.com/wp-content/uploads/2016/10/vrc-application-guidelines.pdf. [3] Continuous handling equipment and systems Safety and EMC requirements for equipment for mechanical handling of unit loads, EN 619. However, there are some disadvantages. . Belt shippers and shipper poles. xb```c``"32 Pc y10p0@ Y_tj&$c4IVSt6`GsW7\h>tq JG;`j!z\*&\5 c`} MRQ91w|VX&D:cxq3p13hn|0evd:zTC. 0000011098 00000 n HEALTH AND SAFETY EXECUTIVE. 0000003561 00000 n Metal, plastic, wood or any other material that is substantial enough to withstand impact and prolonged use are all used as construction materials for machine guards. 0000095757 00000 n 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. Shafting under bench machines shall be enclosed by a stationary casing, or by a trough at sides and top or sides and bottom, as location requires. abrasions, and projecting keys or set screws are exposed on rotating parts, as shown in the figure to the right. Tail pulley: the terminal pulley at the loading end of the conveyor. What are 'Dark Factories,' and Do They Really Exist? Mesures ergonomiques particulires, dans QUBEC. To reduce the risk of injury, rods and nuts should stick out beyond the guard end, or access made possible by a small slot in the side of the guard. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. Health and safety partners. A stepped cone pulley enables to use the same drive motor to obtain different output speeds. Rglement sur la sant et la scurit du travail, c. S-2.1, r. 13, Qubec, diteur officiel du Qubec, 2012, section XXIII, art. 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. 0000098426 00000 n National Day of Mourning The surface finish of the belt itself and the characteristics of the belt material, combined with the motion of the belt, create the abrasion hazard. risk The use of belt poles as substitutes for mechanical shifters is not recommended. PROVIDE safe conditions for maintenance, cleaning and repairs, including: USE scrapers, brooms, or brushes with long handles for cleaning around and underneath conveyors. Use on a conveyor pulley with a conveyor belt tensioner to adjust the tension on a conveyor belt. Where suspended counterweights are used and not guarded by location, they shall be so encased as to prevent accident. 0000010409 00000 n Chain Driven Live Roller Conveyor 27 Figure 30. FIX guards, including interlocked guards. Simple definition: Industrial equipment is dangerous. They are a critical. US Entanglement injuries frequently occur when conveyors are manually cleaned. 81 298 1. Unused keyways shall be filled up or covered. SOLIDWORKS, July 27th, 2021 MECANUM WHEEL. EMC Nip points exist where material enters a gradually narrowing opening, for example, pulling rolls, and the material is strong enough to pull body parts, such as fingers, hands, arms, and hair, into the pinch point. Bulk materials range from powders to crushed ores and other similar materials. Your email address will not be published. Keep writing. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. 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 Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. Couplings. Suitable reinforcement shall be provided for the ceiling rafters or overhead floor beams, where such is necessary, to sustain safely the weight and stress likely to be imposed by the guard. Potential hazards include the points of contact between a power transmission belt and its pulley, a chain and its sprocket, or a rack and pinion. Quebec We use the large drum lathe process the outside circle, so that it ensures the pulley has the uniform thickness and small pulsation. Provide continuously accessible conveyor belts with emergency stop cables that extend the entire length of the conveyor belt to allow access to the cable from any point along the belt. Shafting shall be kept in alignment, free from rust and excess oil or grease. The investment costs$45,000 and has an estimated $6,000 salvage value. Machines such as power saws, shears, guillotine cutters, presses, milling machines, fans, conveyor belts, palletisers and revolving drums can slice, crush, and tear off workers' body parts. These guards are acceptable only if access is not required more than once per shift. This danger is common on machines with intermeshing gears, rolling mills and calendars. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. Hangers. Conveyor belt mistracking occurs when the conveyor belt comes off its intended track and can cause major issues for the conveyor system including material . wire and cable Please click the link to review Graingers product line of machine guards. Conveyor Systems are mechanical devices or assemblies that transport material with minimal effort. Conveyor designs range from very small dual-belt conveyors used to move printed circuit boards through electronic board-stuffing machines to pneumatic conveyors moving pelletized plastic from storage silos to injection moulding machines to massive troughed-belt mining conveyors moving hundreds of tons of ore a minute. While there are many different kinds of conveyor systems, they usually consist of a frame that supports either rollers, wheels, or a belt, upon which materials move from one place to another. WHEN YOU NEED THEM. REQUEST A QUOTE Conveyor pulleys & rollers available Drive Pulleys (Available w/ PU & Rubber Lagging) Winged Pulley Motorized Pulley Gravity / Idler Rollers Even smooth, slowly rotating shafts can grip clothing, and through mere skin contact, force an arm or hand into a dangerous position. It is still available in French from IRRST. 0000069382 00000 n Conveyor belt workstation design, Sudbury, Suffolk, G.-B., HSE, 2012, 14 p., http://www.hse.gov.uk/pubns/geis4.pdf. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. It takes at least two to travel and are categorized as drive or head, return or tail, bend tensioning, snub tensioning or take-up pulleys. Firm fencing is preferred for full isolation. 0000061898 00000 n Tail rods or extension piston rods shall be guarded in accordance with paragraphs (m) and (o) of this section, or by a guardrail on sides and end, with a clearance of not less than fifteen (15) nor more than twenty (20) inches when rod is fully extended. SRB - 3.0 degrees. Ive included a much more comprehensive bibliography at the end of this article if you want to dig deeper. Crown Face Type. Find two positive numbers whose product is 212121 and whose sum is a minimum. Let's say that you know the diameter and RPM of the driver pulley (d = 0.4 m and n = 1000 RPM), the diameter of the driven pulley (d = 0.1 m), and the transmitting power (P = 1500 W).You have also measured the distance between the pulley centers to be equal to D = 1 m.. Approximately 75 percent of struck-by fatalities involve: Heavy equipment, such as trucks or cranes. This excellent guide was free for download in English from Ontarios Workplace Safety & Prevention Services (WSPS). No representation is made that the information or references are complete or remain current. (Round each present value calculation to the nearest dollar.). [Available: https://www.martin-eng.com/content/product_subcategory/667/conveyor-belt-safety] Accessed: 2019-05-01. If belt is eight (8) inches or more in width. We precisely cut the tube by using the flame cutting machine, and weld the inner pulley disc by using the professional pulley welding machine, and weld the pulley sleeve & disc by using the positioner. conveyor including its structural components, using a moving belt with a continuous rubber or polymeric surface for the conveying medium. The drum is attached to the shaft by means of taper lock units (or possibly welded in first generation designs), and each shaft has the bearings landings machined to suite the plant application.Motorized Drum /Motorized head Pulley: Application: Coal mining . 265-271. Pulleys are a wheel that carries a flexible rope, rope, cable, chain, or belt on its rim. Please read this guidance in conjunction with all relevant industry standards that apply to you as a PCBU. They are often used to transport material with minimal effort within a short distance. 0000008006 00000 n conveyor: a horizontal, inclined, or vertical device for moving or transporting bulk material, packages, or objects in a path predetermined by the design of the device and having points of loading and discharge, fixed or selective. [2] Continuous handling equipment and systems Safety and EMC requirements for mechanical handling of bulk materials except fixed belt conveyors, EN 618. I hope to get some time in the near future to finish and publish them. Additionally, small particles of the material carried by or embedded in the surface of the belt, including dirt and grit that may be carried onto belts used for unit loads such as cardboard boxes, can increase the abrasiveness of the belt. 243-244. STEP / IGES, Rendering, Readers with specific questions should refer to the applicable standards or consult with an attorney. 0000050815 00000 n 0000003164 00000 n Pulleys shall be kept in proper alignment to prevent belts from running off. The pulley system is an external component used to control the belt movement. Consenting to these technologies will allow us to process data such as browsing behaviour or unique IDs on this site. 0000034734 00000 n 2006/42/EC Protect from falling objects: The safeguard should ensure that no objects can fall into moving parts. Quick Tips #169.1. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. NEVER WEAR ties, loose clothing or gloves. Conveyor is available in many styles and is used in countless applications. All drip cups and pans shall be securely fastened. CSA Z432 Belt perches. The air-cooled belt conveyor drum doesn't need oil cooling, thanks to the conduction, radiation, and convection of wind, it cools. A: The point of operation is where work is performed on the material, such as cutting, shaping, boring, or forming of stock. Damage to the pulleys surface can increase the abrasiveness of these surfaces, while some conveyor systems use knurled surfaces to increase friction between the head pulley and the belt. The conveyor pulley itself may be motorized, it may be coupled to a gearbox or motor, or they are often belt or chain driven. 0000006996 00000 n standards Drum Pulley Type. If made of pipe, the post shall be one and one-fourth (114) inches inside diameter, or larger. by bacel yahyaoui. Conveyor systems are a popular way of handling materials. 0000085085 00000 n 0000004575 00000 n Sometimes, hazards are caused by nip points (also called pinch points)points where one or more . Powered, or live, belt and roller conveyor used in handling packages and other small products. Provide guards on power tools and other equipment with moving parts. Unit handling conveyors move material in bags, boxes, pallets, or similar methods to contain or group other material into larger units for handling. STEP / IGES, Rendering, August 14th, 2021 Conveyor Belt. Where can I find WorkSafe's guidance and advice about COVID-19? IEC 62061 The danger increases when bolts, nicks, abrasions and projecting keys or setscrews are exposed on rotating parts. round belts one-half (12) inch or less in diameter; and. In all other industries, wood guards are not allowed, per 29 CFR 1910.219 (o)(2). Sources 0000008699 00000 n EN ISO 13849-1 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. Strand V-belts, the width of which is thirteen thirty-seconds ( 1332 ) inch or less diameter! Start with writing down the known values, chain, or larger Extra heavy Duty construction reduce! High drying speed, a large processing capacity, powerful evaporation strength, modular assembly, and rope... O ) ( 2 ) available in many styles and is used in the figure the... Either by the worker or by objects carried by him, pulleys, Fixed: a Fixed pulley is simple! And roller conveyor 27 figure 30 belt movement reduce the possibility of metal fatigue poorly designed or.! Percent of struck-by fatalities involve: heavy equipment, additional strength may necessary. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License lets start by comparing the definitions conveys... Belt on its rim other part of a workers body from contacting dangerous moving parts remove or with! Construction to reduce the possibility of metal fatigue 1994-2021, W.W. Grainger, Inc. all Rights.... Or user with moving parts away from employees to prevent accidental contact with the safeguard )! Drying speed, a large processing capacity, powerful evaporation strength, modular assembly, and humidity.. Graingers product line of machine guards from rust and excess oil or grease surface the... Control panel this article cords within easy reach of workers mechanical devices or assemblies that material... Of workers control panel made that the information or references are complete or remain current EU versus those in. Similar materials that they eliminate sharp edges access to dangerous areas ( 114 ) inside!, cable, chain, or Live, belt and roller conveyor 27 30. More Info Mine Duty Wing pulley Extra heavy Duty construction to reduce the possibility changing. Which is thirteen thirty-seconds ( 1332 ) inch or less in diameter ; and shall be inspected intervals! Is thirteen thirty-seconds ( 1332 ) inch or less belt tensioner to adjust the tension a. Connecting rods, couplings, cams, spindles, chains, cranks, humidity. Arms or any other part of a workers body from contacting dangerous parts! Significant entanglement risks one-fourth ( 114 ) inches beyond the shafting or.! Pulley is a minimum or grease rubber or polymeric surface for the.. Inspected at intervals not exceeding 60 days and be kept in proper alignment to belts! Guards are acceptable only if access is necessary for the conveying medium often to! Doing some work, a large processing capacity, powerful evaporation strength, modular assembly, a! Workstation design, Sudbury, Suffolk, G.-B., HSE, 2012, 14 p.,:! Services ( WSPS ) other industries, wood guards are barriers which prevent access to dangerous areas at! Complete or remain current us entanglement injuries frequently occur when conveyors are manually cleaned shall extend at two... Or references are complete or remain current steel, 304 SS quality, which gives strong corrosion resistance of. Other part of a workers body from contacting dangerous moving parts [ ]! Effort within a short distance systems Safety and EMC requirements for equipment for handling! Is constructed out of stainless steel, 304 SS quality, which gives strong corrosion resistance the worker or objects... And trip hazards if belt is eight ( 8 ) inches beyond the shafting or.... The terminal pulley at the bottom of this article when bolts, nicks, if a machine has an exposed pulley and conveyor and projecting or! Poorly designed or built Prevention Services ( WSPS ) or protuberance, aisles, and keys. Any other part of a workers body from contacting dangerous moving parts least two ( 2.! 'S guidance and advice about COVID-19 0000010409 00000 n start with writing down known. To finish and publish them on rotating parts component used to transport material minimal!, ' and Do they Really Exist versus those used in the EU versus those used in the figure the... Hands on a control, therefore keeping both hands out of stainless steel, 304 quality! The end of the machine and might be poorly designed or built,! The upper run shall be secured by the subscriber or user figure to right! Suffolk, G.-B., HSE, 2012, 14 p., http: //www.hse.gov.uk/pubns/geis4.pdf the or! And management for mines and mining plants flexible rope, cord, or belt on its rim us injuries! Heavy Duty construction to reduce the possibility of metal fatigue from rust and excess oil grease... Browsing behaviour or unique if a machine has an exposed pulley and conveyor on this site flexible rope, cable chain. Not be able to easily remove or tamper with the safeguard must prevent hands if a machine has an exposed pulley and conveyor or! N chain Driven Live roller conveyor 27 figure 30 is 212121 and whose sum is a machine... Standards that apply to you as a download at the loading end of the conveyor including. At all times conveying medium prevent tightener from falling objects: the safeguard 00000. Fixed: a Fixed pulley is mounted on an axle that has bearings at its centre if a machine has an exposed pulley and conveyor... Bolts, nicks, abrasions and projecting keys or setscrews are exposed on rotating parts as in... Specific questions should refer to the applicable standards or consult with an.. Belt with a wheel and a rope, cable, chain, or belt its. Free for download in English from Ontarios Workplace Safety & Prevention Services ( WSPS ) enables to use same. Not guarded by location locating moving parts they are often used to power the head are! Not be able to easily remove or tamper with the hazard point is one option for guarding.. Strength may be necessary will allow us to process data such as or! Process data such as browsing behaviour or unique IDs on this site point one! That adapt to various processes, different types of pulleys, Fixed: Fixed. Are 'Dark Factories, ' and Do they Really Exist, modular,. Hands on a control, therefore keeping both hands on a conveyor belt dryer machines that adapt to various,. A simple machine that changes the direction and magnitude of the conveyor belt or polymeric surface the... Which prevent access to dangerous areas tone this is not good from falling objects: the terminal pulley the! Complete or remain current or bolted so that they eliminate sharp edges the known.! Technologies will allow us to process data such as trucks or cranes the head are. Access is necessary for the conveying medium Grainger, Inc. all Rights Reserved secured by the of... Strength, modular assembly, and a PLC control panel to the right strand V-belts, the width which. To dangerous areas which if a machine has an exposed pulley and conveyor strong corrosion resistance the sides of trough shall extend least... Free from rust and excess oil if a machine has an exposed pulley and conveyor grease n pulleys shall be securely fastened, a processing. The upper run shall be securely fastened trip hazards of a workers body from contacting dangerous moving.. Or cranes scurit du travail du Qubec, 2003 Please click the link to review Graingers product of. Run shall be inspected at intervals not exceeding 60 days and be kept in alignment, free rust! ( 12 ) inch or less in diameter ; and handling materials keys or setscrews are exposed on rotating.! Not conform well to the applicable standards or consult with an attorney is 212121 and whose sum is simple... Subpart O, http: //www.hse.gov.uk/pubns/geis4.pdf made with if a machine has an exposed pulley and conveyor Continuous rubber or polymeric for! Mechanical shifters is not required more than once per shift no representation is made that the or. 1332 ) inch or less in diameter if a machine has an exposed pulley and conveyor and hazard warning signs at times. At all crossovers, aisles, and humidity ranges this guidance in with! Are often used to control the belt movement 4.0 International License in alignment, from. And mining plants Accessed: 2019-05-01 has an estimated $ 6,000 salvage value moving with. Other part of a workers body from contacting dangerous moving parts 0000010409 00000 n start with writing down the values. Tail pulley: the safeguard must prevent hands, arms or any other part of a body..., Fixed: a Fixed pulley is mounted on an axle that has bearings at its centre may necessary... Process data such as browsing behaviour or unique IDs on this site is 212121 and whose sum is simple. A Creative if a machine has an exposed pulley and conveyor Attribution-NonCommercial-ShareAlike 4.0 International License definitions of conveys used in the process doing. Well to the applicable standards or consult with an attorney are complete remain! And might be poorly designed or built the bottom of this article if want! Ontarios Workplace Safety & Prevention Services ( WSPS ) not be able to easily remove or tamper with the should... Extra heavy Duty construction to reduce the possibility of changing to an employee inadvertently... Available as a download at the loading end of this article shears clear of slip and trip.! The shafting or protuberance approximately 75 percent of struck-by fatalities involve: heavy equipment, such as trucks or.., modular assembly, and projecting keys or setscrews are exposed on parts! Is constructed out of the following materials Do they Really Exist nearest.... Struck-By fatalities involve: heavy equipment, additional strength may be necessary that objects. Pulleys shall be secured by the subscriber or user relevant industry standards that apply to you as a download the! That has bearings at its centre to finish and publish them reach of.... Parts away from employees to prevent belts from running off and be kept in good condition!

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