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Integrated test of the press fully equipped to operate in the PSDI mode shall be conducted to establish the total system reaction time. (d) Conveyors passing over areas that are occupied or used by employees shall be so guarded as to prevent the material transported from falling and causing injury to employees. Employers and manufacturers are encouraged to recommend other approaches if there is a potential for improving safety and reducing cost. (3) Finish and balance. 12. Higher pressures may be permitted, however, to increase clutch torque to free jammed dies, provided positive measures are provided to prevent the higher pressure at other times. (12) The knife blade of jointers shall be so installed and adjusted that it does not protrude more than one-eighth inch beyond the cylindrical body of the head. (iii) A means of selecting Off, Inch, Single Stroke, and Continuous (when the continuous function is furnished) shall be supplied with the clutch/brake control to select type of operation of the press. This hood or shield shall be so designed as to guard against danger from flying splinters or broken saw teeth. Compliance with 1910.217(h)(2)(ii). Usage experience should also include failure data supporting adequacy of the design. (25) Face of slide means the bottom surface of the slide to which the punch or upper die is generally attached. and 2. for the combined position. If workers need to cross over a conveyor, OSHA has specific requirements for both Construction and Marine applications of Conveyor Crossovers. (c) Presses. The sides of the lower exposed portion of the blade shall be guarded to the full diameter of the blade by a device that will automatically adjust itself to the thickness of the stock and remain in contact with stock being cut to give maximum protection possible for the operation being performed. (d) Cylinders, cups, or segmental wheels that are mounted in chucks. Work rests shall be kept adjusted closely to the wheel with a maximum opening of one-eighth inch to prevent the work from being jammed between the wheel and the rest, which may cause wheel breakage. We recommend you directly contact the agency responsible for the content in question. (i) Prior to the initial use of any mechanical press in the PSDI mode, two sets of certification and validation are required: (A) The design of the safety system required for the use of a press in the PSDI mode shall be certified and validated prior to installation. 1910.308 Special systems. 1910.38 Emergency action plans. Tongs shall be of sufficient length to clear the body of the worker in case of kickback, and shall not have sharp handle ends. (3) Mill means a machine consisting of two adjacent metal rolls, set horizontally, which revolve in opposite directions (i.e., toward each other as viewed from above) used for the mechanical working of rubber and plastics compounds. tensile strength 60,000 p.s.i.) (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. Vertical and inclined shafting seven (7) feet or less from floor or working platform, excepting maintenance runways, shall be enclosed with a stationary casing in accordance with requirements of paragraphs (m) and (o) of this section. 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. The eCFR is displayed with paragraphs split and indented to follow The employer shall: (i) Use dies and operating methods designed to control or eliminate hazards to operating personnel, and. 1910.109 Explosives and blasting agents. The safety guard shall cover the spindle end, nut, and flange projections. (iii) Be constructed and installed in a manner to monitor brake system performance on each stroke. Appendix to Subpart E of Part 1910Exit Routes, Emergency Action Plans, and Fire Prevention Plans, Subpart FPowered Platforms, Manlifts, and Vehicle-Mounted Work Platforms. Higher voltages that may be necessary for operation of machine or control mechanisms shall be isolated from any control mechanism handled by the operator, but motor starters with integral Start-Stop buttons may utilize line voltage control. ), (5) Surface grinders and cutting-off machines. Minimum requirements for this position are a Bachelor's degree and five years professional experience, at least one of which shall have been in responsible charge of a function in the areas of power press design or manufacture or a broad range of power press use, or in the areas of testing, quality control, or certification/validation of equipment comparable to power presses or their associated control systems. 2. (1) A mechanical or electrical power control shall be provided on each machine to make it possible for the operator to cut off the power from each machine without leaving his position at the point of operation. Diamond and reinforced wheels are included. (2) Each hand-fed circular ripsaw shall be furnished with a spreader to prevent material from squeezing the saw or being thrown back on the operator. (4) Mill roll heights. (See paragraph (d)(6) of this section.). However, where an operator must do many operations outside the press, such as lubricating, trimming, deburring, etc., a longer interval up to 30 seconds is permitted. (4) Lathes used for turning long pieces of wood stock held only between the two centers shall be equipped with long curved guards extending over the tops of the lathes in order to prevent the work pieces from being thrown out of the machines if they should become loose. Such changes in operational conditions as die changes or press relocations not involving disassembly or revision to the safety system would not require recertification/revalidation.). A copy of the certification/validation report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to the public upon request. (i) Die setting on presses used in the PSDI mode shall be performed in accordance with paragraphs (d) and (h) of this section. 1910.28 Duty to have fall protection and falling object protection. It shall be accessible and shall operate readily on contact. (2) Arbor size. The application shall provide information demonstrating that it and any validating laboratory utilized meet the qualifications set forth in section II of this appendix. (i) The pedal mechanism shall be protected to prevent unintended operation from falling or moving objects or by accidental stepping onto the pedal. (ii) All metal should be free from burrs and sharp edges. The certification/validation report shall include the following: b. 3. (See Figure O-24 for one such type of mounting.). (iii) Following a die change, the safety distance, the proper application of supplemental safeguarding, and the slide counterbalance adjustment (if the press is equipped with a counterbalance) shall be checked and maintained by authorized persons whose qualifications include knowledge of the safety distance, supplemental safeguarding requirements, and the manufacturer's specifications for counterbalance adjustment. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. (ii) If the single-stroke mechanism is dependent upon spring action, the spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, and designed to prevent interleaving of the spring coils in event of breakage. (1) Feed rolls and saws shall be protected by a hood or guard to prevent the hands of the operator from coming in contact with the in-running rolls at any point. 2. 1910.1 Purpose and scope. When a press is equipped for PSDI operation, it is recommended that the presence sensing device be active as a guarding device in other production modes. The manufacturer shall design a test(s) to establish the hand tool extension diameters allowed for variations in minimum object sensitivity response. A validation organization may not terminate its installation certification and recertification validation functions earlier than either one year from the date of the written notice, or the date on which another recognized validation organization is able to perform the validation of installation certification and recertification. 1910.177 Servicing multi-piece and single piece rim wheels. The direction of the saw rotation shall be conspicuously marked on the hood. 1910.9 Compliance duties owed to each employee. (vi) Electrical clutch/brake control circuits shall incorporate features to minimize the possibility of an unintended stroke in the event of the failure of a control component to function properly, including relays, limit switches, and static output circuits. (8) Point of operation means that point at which cutting, shaping, or forming is accomplished upon the stock and shall include such other points as may offer a hazard to the operator in inserting or manipulating the stock in the operation of the machine. OSHA has two standards specific to conveyors, its 1910 standard applying to general industry. All measurements on mills and calenders shall be taken with the rolls running empty at maximum operating speed. Test results obtained from development testing may be used to certify/validate the design. 1910.212 General requirements for all machines. [Reserved], https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-O. (4) Inverted swing cutoff saws shall be provided with a hood that will cover the part of the saw that protrudes above the top of the table or above the material being cut. (vi) It shall be the responsibility of the employer to ensure the competence of personnel caring for, inspecting, and maintaining power presses equipped for PSDI operation, through initial and periodic training. Choosing an item from The application shall be filed with: PSDI Certification/Validation Program, Office of Variance Determination, Occupational Safety and Health Administration, U.S. Department of Labor, Room N3653, 200 Constitution Avenue, NW., Washington, DC 20210. a. Steam hammers shall be provided with a quick closing emergency valve in the admission pipeline at a convenient location. 1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.). The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. Installed in the front and in the back of each mill and located within 2 inches of a vertical plane tangent to the front and rear rolls. The top rods shall be not more than 72 inches above the level on which the operator stands. 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. The regular oilers shall wear tight-fitting clothing. Where loose pulleys or idlers are not practicable, belt perches in form of brackets, rollers, etc., shall be used to keep idle belts away from the shafts. Where guard is exposed to contact with moving equipment additional strength may be necessary. Eligibility. (ii) Once the PSDI safety system has been certified/validated, adjustment of the brake monitor shall not be done without prior approval of the validation organization for both the brake monitor adjustment and the corresponding adjustment of the safety distance. (13) Control reliability. Pulleys with cracks, or pieces broken out of rims, shall not be used. (e) Trip and emergency switches. 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. "They . 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. Expanded metal, perforated or solid sheet metal, wire mesh on a frame of angle iron, or iron pipe securely fastened to floor or to frame of machine. The validation organization shall have a reasonable written procedure for acknowledging and processing appeals or complaints from program participants (manufacturers, producers, suppliers, vendors and employers) as well as other interested parties (employees or their representatives, safety personnel, government agencies, etc. learn more about the process here. e-CFR 1910.219 (a) General requirements. 1910.218 Forging machines. It shall be readily accessible and operate whether pushed or pulled. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. 1910.1008 bis-Chloromethyl ether. (2) Rivet making. (1) Feed chains and sprockets of all double end tenoning machines shall be completely enclosed, except for that portion of chain used for conveying the stock. These safety training PowerPoints cover the items specified by OSHA standards. Structural steel (min. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. 1910.25 Stairways. (9) Flanges means collars, discs or plates between which wheels are mounted and are referred to as adaptor, sleeve, or back up type. (34) Fixed barrier guard means a die space barrier attached to the press frame. (ii) If operating speed does not exceed 8,000 surface feet per minute cast iron safety guards, malleable iron guards or other guards as described in paragraph (b)(10)(iii) of this section shall be used. from the floor or platform may be guarded with a disk covering the spokes. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. This distance shall apply to the actual working level, whether it be at the general floor level, in a pit, or on a platform. (1) Types of guarding. Electrical and/or electronic cards or boards assembled with discreet components shall be considered a subsystem and shall require separate testing that the subsystems do not degrade in any of the following conditions: (1) Ambient temperature variation from 20 C to + 50 C. 1910.1044 1,2-dibromo-3-chloropropane. The Type 27 A Wheel is mounted between flat non-relieved flanges of equal bearing surfaces. The certification/validation process shall utilize an independent third-party validation organization recognized by OSHA in accordance with the requirements specified in appendix C of this section. Grade 32510. (1) Each circular resaw shall be guarded by a hood or shield of metal above the saw. (2) On machines driven by belts and shafting, a locking-type belt shifter or an equivalent positive device shall be used. Wherever flywheels are above working areas, guards shall be installed having sufficient strength to hold the weight of the flywheel in the event of a shaft or wheel mounting failure. from the floor or platform may be guarded with a disk covering the spokes. (a) Attachments shall be connected to and operated only by the press slide or upper die. (f) As used in 1910.219, unless the context clearly requires otherwise, the following mechanical power-transmission guarding terms shall have the meaning prescribed in this paragraph. d. When the change of state is motion, the measurement shall be made at the completion of the motion. (iii) 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. (6) Circular saw fences shall be so constructed that they can be firmly secured to the table or table assembly without changing their alignment with the saw. Flywheels. The guard shall be fastened to the frame carrying the rolls so as to remain in adjustment for any thickness of stock. 1910.108 [Reserved] The failure shall be indicated by the system. 1. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. 1910.332 Training. The maximum anticipated working pressures in any hydraulic system on a mechanical power press shall not exceed the safe working pressure rating of any component used in that system. (1) Point of operations means that point at which cutting, shaping, boring, or forming is accomplished upon the stock. (5) Exposure of blades. developer resources. Overhead rope drive and block and roller-chain-drive guards shall be not less than six (6) inches wider than the drive on each side. An acceptable method for interlocking supplemental guards as required by paragraph (h)(6)(xiii) would be to incorporate the supplemental guard and the PSDI presence sensing device into a hinged arrangement in which the alignment of the presence sensing device serves, in effect, as the interlock. 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. You are using an unsupported browser. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. a. Unless a 6-foot 6-inch headroom clearance is provided, employees shall not be permitted to pass under conveyors. (i) 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. (ii) Mounts which are affixed to the wheel by the manufacturer may not require an inside nut and shall not be reused. The manufacturer shall evaluate and certify, and the OSHA-recognized third-party validation organization shall validate, the design and operation of the safety system by determining conformance with the following: a. Appendix C to Subpart T of Part 1910Alternative Conditions Under 1910.401(a)(3) for Recreational Diving Instructors and Diving Guides (Mandatory). 1910.122 Table of contents. (8) The practice of inserting wedges between the saw disk and the collar to form what is commonly known as a wobble saw shall not be permitted. 2. 1910.160 Fixed extinguishing systems, general. (2) It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. (v) The route followed by the oiler is protected in such manner as to prevent accident. (2) Drag saws shall be so located as to give at least a 4-foot clearance for passage when the saw is at the extreme end of the stroke; or if such clearance is not obtainable, the saw and its driving mechanism shall be provided with a standard enclosure. No one should ever climb over or crawl under a conveyor and NEVER ride on or otherwise use a conveyor for transportation. 1910.1001 Asbestos. (5) Full revolution clutch means a type of clutch that, when tripped, cannot be disengaged until the crankshaft has completed a full revolution and the press slide a full stroke. 5. 1910.34 Coverage and definitions. Lubrication. Showing adjustable tongue giving required angular protection for all sizes of wheel used. See paragraph (c) of 1910.215 for full description. Paragraph (f)(1) of this section does not apply to hand-operated gears used only to adjust machine parts and which do not continue to move after hand power is removed. (viii) The control system shall incorporate an automatic means to prevent initiation or continued operation in the PSDI mode unless the press drive motor is energized in the forward direction of crankshaft rotation. 1910.1025 Lead. Where both runs of horizontal belts are seven (7) feet or less from the floor level, the guard shall extend to at least fifteen (15) inches above the belt or to a standard height except that where both runs of a horizontal belt are 42 inches or less from the floor, the belt shall be fully enclosed in accordance with paragraphs (m) and (o) of this section. 1910.264 Laundry machinery and operations. (5) Power-transmission apparatus located in basements. (ii) Maximum hole size for cutting-off wheels should not be larger than 14-wheel diameter. When more than one wheel is mounted between a single set of flanges, wheels may be cemented together or separated by specially designed spacers. 7. (2) Guard exposure angles.

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