osha conveyor safety 1910 osha conveyor safety 1910

All metal should be free from burrs and sharp edges. (3) Each disk sanding machine shall have the exhaust hood, or other guard if no exhaust system is required, so arranged as to enclose the revolving disk, except for that portion of the disk above the table, if a table is used, which may be necessary for the application of the material to be finished. Where the operator feeds or removes parts by placing one or both hands in the point of operation, and a two hand control, presence sensing device, Type B gate or movable barrier (on a part revolution clutch) is used for safeguarding: (i) The employer shall use a control system and a brake monitor which comply with paragraphs (b) (13) and (14) of this section; (ii) The exception in paragraph (b)(7)(v)(d) of this section for two hand controls manufactured and installed before August 31, 1971 is not applicable under this paragraph (c)(5); (iii) The control of air clutch machines shall be designed to prevent a significant increase in the normal stopping time due to a failure within the operating valve mechanism, and to inhibit further operation if such failure does occur, where a part revolution clutch is employed. (i) Wheels must be dry and free from sawdust when applying the ring test, otherwise the sound will be deadened. On presses with provision for manual lubrication of flywheel or bullgear bearings, lubrication shall be provided according to the press manufacturer's recommendations. 12 or .262 diameter in inches r.p.m. (4) Type 11 flaring cup wheels mean wheels having double diameter dimensions D and J, and in addition have thickness, hole size, rim and back thickness dimensions. The assumptions made during the analysis should be clearly stated and a description of the effects of these assumptions on the conclusions and limits should be included. 2. (7) Environmental requirements. Grade 32510. Brake capacity shall be sufficient to stop the motion of the slide quickly and capable of holding the slide and its attachments at any point in its travel. (36) Adjustable barrier guard means a barrier requiring adjustment for each job or die setup. If you have questions for the Agency that issued the current document please contact the agency directly. 5. (4) Pressure pipes. The validation organization representative shall witness at least one set of each of these tests. Pulleys serving as balance wheels (e.g., punch presses) on which the point of contact between belt and pulley is more than six feet six inches (6 ft. 6 in.) Where guard is exposed to contact with moving equipment additional strength may be necessary. Tests which are conducted by the manufacturers of electrical components to establish stress, life, temperature and loading limits must be tests which are in compliance with the provisions of the National Electrical Code. After receipt of an application, OSHA may request additional information if it believes information relevant to the requirements for recognition have been omitted. The manufacturer shall submit to the validation organization the technical analysis such as Hazard Analysis, Failure Mode and Effect Analysis, Stress Analysis, Component and Material Selection Analysis, Fluid Compatability, and/or other analyses which may be necessary to demonstrate, compliance with the following requirements: Sections 1910.217(h)(8) (i) and (ii); (h)(2) (ii) and (iii); (h)(3)(i) (A) and (C), and (ii); (h)(5) (i), (ii) and (iii); (h)(6) (i), (iii), (iv), (vi), (vii), (viii), (ix), (x), (xi), (xiii), (xiv), (xv), (xvi), and (xvii); (h)(7) (i) and (ii); (h)(9) (iv), (v), (viii), (ix) and (x); (h)(10) (i) and (ii). (3) Upon issuance of the decision, any party to the hearing may file exceptions within 20 days pursuant to subpart C. If exceptions are filed, the administrative law judge shall forward the decision, exceptions and record to the Assistant Secretary for the final decision on the application. (52) Stop control means an operator control designed to immediately deactivate the clutch control and activate the brake to stop slide motion. (3) Sprockets and chains. (1) Point of operations means that point at which cutting, shaping, boring, or forming is accomplished upon the stock. 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. Three months prior to the operation of any alternative system, the employer must notify the OSHA Directorate of Safety Standards Programs of the name of the system to be installed, the manufacturer and the OSHA-recognized third-party validation organization immediately. In the second stage, the OSHA-recognized third-party validation organization validates that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the manufacturer's certification by reviewing the manufacturer's design and test data and performing any additional reviews required by this standard or which it believes appropriate. Type 27 wheels are manufactured with flat grinding rims permitting notching and cutting operations. The upper rail shall be two by four (2 x 4) inches, or two one by four (1 x 4) strips, one at the top and one at the side of posts. (v) The sweep device may not be used for point of operation safeguarding. [Reserved] (5) Power-transmission apparatus located in basements. b. 1. d. Statement that the safety system conforms with all requirements of the PSDI standard and appendix A. 1910.1002 Coal tar pitch volatiles; interpretation of term. flat belts two (2) inches or less in width which are free from metal lacings or fasteners. Overhead belt guards shall be at least one-quarter wider than belt which they protect, except that this clearance need not in any case exceed six (6) inches on each side. 1910.133 Eye and face protection. The employer shall provide means for handling scrap from roll feed or random length stock operations. (v) The employer shall provide brushes, swabs, lubricating rolls, and automatic or manual pressure guns so that operators and diesetters shall not be required to reach into the point of operation or other hazard areas to lubricate material, punches or dies. (xvi) The control system shall permit only a single stroke per initiation command. (9) All belts, pulleys, gears, shafts, and moving parts shall be guarded in accordance with the specific requirements of 1910.219. Consistency of braking action is enhanced by high brake torque. 1910.1004 alpha-Naphthylamine. 4. 1910.178 Powered industrial trucks. Where the work is applied to the wheel above the horizontal centerline, the exposure of the grinding wheel periphery shall be as small as possible and shall not exceed 60. (e) Inspection, maintenance, and modification of presses -. (iv) The pull-out device shall protect the operator as specified in paragraph (c)(3)(i)(b) of this section, and shall include attachments for each of the operator's hands. 1910.308 Special systems. In 2015 it again made list, coming in at number ten. (d) Each pull-out device in use shall be visually inspected and checked for proper adjustment at the start of each operator shift, following a new die set-up, and when operators are changed. (b) Attachments shall be adjusted to prevent the operator from reaching into the point of operation or to withdraw the operator's hands from the point of operation before the dies close. (2) Belt shippers and shipper poles. The upper hood shall be constructed in such a manner and of such material that it will protect the operator from flying splinters, broken saw teeth, etc., and will deflect sawdust away from the operator. A separate set of restraints shall be provided for each operator if more than one operator is required on a press. (iii) Special handtools for placing and removing material shall be such as to permit easy handling of material without the operator placing a hand in the danger zone. Bolts, nuts, and setscrews will, however, be permitted where they are covered with safety sleeves or where they are used parallel with the shafting and are countersunk or else do not extend beyond the flange of the coupling. 1910.145 Specifications for accident prevention signs and tags. 1. (2) Hand-operated gears. (f) It shall offer maximum visibility of the point of operation consistent with the other requirements. (ii) Brake systems on presses used in the PSDI mode shall have sufficient torque so that each average value of stopping times (Ts) for stops initiated at approximately 45 degrees, 60 degrees, and 90 degrees, respectively, of crankshaft angular position, shall not be more than 125 percent of the average value of the stopping time at the top crankshaft position. (10) Material requirements and minimum dimensions. (5) Saw frames or tables shall be constructed with lugs cast on the frame or with an equivalent means to limit the size of the saw blade that can be mounted, so as to avoid overspeed caused by mounting a saw larger than intended. 1910.120 Hazardous waste operations and emergency response. 1910.266 Logging operations. (9) Prime movers include steam, gas, oil, and air engines, motors, steam and hydraulic turbines, and other equipment used as a source of power. The objective of the certification/validation program is to demonstrate and document that the system satisfies specification and operational requirements for safe operations. (1) Each planing, molding, sticking, and matching machine shall have all cutting heads, and saws if used, covered by a metal guard. It should be noted that the sensing device would be by-passed in the inch mode. The midrail may be one by four (1 x 4) inches or more. 1910.307 Hazardous (classified) locations. (11) Safety system certification/validation. Wall thickness at the back is normally greater than at the grinding face (W). 1910.212(a)(1) (7) Machines using part revolution clutches. The hood shall be constructed in such a manner and of such material that it will protect the operator from flying splinters and broken saw teeth. Revision of application. 1910.255 Resistance welding. from the floor or platform may be guarded with a disk covering the spokes. The requirements for OSHA recognition of a third-party validation organization for the PSDI standard are that the program has fulfilled the requirements of section II of this appendix for qualifications and of section III of this appendix for program requirements, and the program has identified appropriate test and analysis methods to meet the requirements of the PSDI standard and appendix A. (24) Ejector means a mechanism for removing work or material from between the dies. 1910.1047 Ethylene oxide. ( a) As used in 1910.213 and 1910.214 unless the context clearly requires otherwise, the following woodworking machinery terms shall have the meaning prescribed in this paragraph. (B) Guards used as supplemental safeguarding shall conform to the design, construction and application requirements of paragraph (c)(2) of this section, and shall be interlocked with the press control to prevent press PSDI operation if the guard fails, is removed, or is out of position. (v) A covered container shall be provided to store dross skimmings. a. (3) Machines using full revolution positive clutches. (ii) The employer shall provide spring loaded turnover bars, for presses designed to accept such turnover bars. Paragraph (h)(6)(xv) of the standard requires that the control system have provisions for an inch operating means; that die-setting not be done in the PSDI mode; and that production not be done in the inch mode. (2) Safety trip, side. The Occupational Safety and Health Administration (Osha) issued citations against Amazon at six warehouses in December 2022, . Usually used for preforming, roll forging is often employed to reduce thickness and increase length of stock. (iii) Paragraph (e)(1)(ii) of this section does not apply to presses that comply with paragraphs (b)(13) and (14) of this section. (ix) A scale guard of substantial construction shall be provided at the back of every press, so arranged as to stop flying scale. tensile strength 50,000 p.s.i.) (i) Guardrail shall be forty-two (42) inches in height, with midrail between top rail and floor. (viii) A scale guard of substantial construction shall be provided at the back of every hammer, so arranged as to stop flying scale. Where guard is exposed to contact with moving equipment, additional strength may be necessary. (iii) Full revolution mechanical power presses shall not be used in the PSDI mode of operation. 1910.161 Fixed extinguishing systems, dry chemical. (b) Each two hand control shall meet the construction requirements of paragraph (b)(7)(v) of this section. 1910.1045 Acrylonitrile. The validation organization shall demonstrate that: a. The sides of the trough shall come within at least six (6) inches of the underside of table, or if shafting is located near floor within six (6) inches of floor. (x) Foot operated tripping controls, if used, shall be protected so as to prevent operation from falling or moving objects, or from unintended operation by accidental stepping onto the foot control. Solid material used for this purpose shall be of an equivalent strength and firmness. (6) Where two or more workers are employed at the same time on the same power-driven guillotine veneer cutter equipped with two-hand control, the device shall be so arranged that each worker shall be required to use both hands simultaneously on the controls to start the cutting motion, and at least one hand on a control to complete the cut. Guards shall be affixed to the machine where possible and secured elsewhere if for any reason attachment to the machine is not possible. (v) The safety distance (Ds) from the sensing field of the presence sensing device to the point of operation shall be greater than or equal to the distance determined by the formula: Hs = Hand speed constant of 63 inches per second (1.6 m/s). (i) Standard conditions shall be secured by the use of the following materials. (60) Brake monitor means a sensor designed, constructed, and arranged to monitor the effectiveness of the press braking system. The validation organization or the validating laboratory shall own a registered certification/validation mark or logo. (5) Excluded machines. 1910.141 Sanitation. (ix) Barriers shall be fixed to the press frame or bolster to prevent personnel from passing completely through the sensing field, where safety distance or press configuration is such that personnel could pass through the PSDI presence sensing field and assume a position where the point of operation could be accessed without detection by the PSDI presence sensing device. (i) Point of operation devices shall protect the operator by: (a) Preventing and/or stopping normal stroking of the press if the operator's hands are inadvertently placed in the point of operation; or, (b) Preventing the operator from inadvertently reaching into the point of operation, or withdrawing his hands if they are inadvertently located in the point of operation, as the dies close; or, (c) Preventing the operator from inadvertently reaching into the point of operation at all times; or, (e) Requiring application of both of the operator's hands to machine operating controls and locating such controls at such a safety distance from the point of operation that the slide completes the downward travel or stops before the operator can reach into the point of operation with his hands; or, (f) Enclosing the point of operation before a press stroke can be initiated, and maintaining this closed condition until the motion of the slide had ceased; or. 1910.34 Coverage and definitions. (iv) A PSDI set-up/reset means shall be provided which requires an overt action by the operator, in addition to PSDI mode selection, before operation of the press by means of PSDI can be started. Blanking of the sensing field is not permitted. screw conveyors and the periphery of an abrasive . A minimum object sensitivity of one and one-fourth inches (31.75 mm) means that a one and one-fourth inch (31.75 mm) diameter object will be continuously detected at all locations in the sensing field. Shall be free of operational control and influence of manufacturers, suppliers, vendors, employers, or employee representatives that would impair its integrity of performance; and. (58) Unitized tooling means a type of die in which the upper and lower members are incorporated into a selfcontained unit so arranged as to hold the die members in alignment. (iv) Mechanical power presses with a configuration which would allow a person to enter, pass through, and become clear of the sensing field into the hazardous portion of the press shall not be used in the PSDI mode of operation. Pulleys intended to operate at rim speed in excess of manufacturers normal recommendations shall be specially designed and carefully balanced for the speed at which they are to operate.