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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. Based upon this determination, a scale shall be developed to indicate the allowable 10 percent of the stopping time at the top of the stroke for slide or ram overtravel due to brake wear. (ii) Safety triprod. 1910.38 Emergency action plans. D. Similarity analysis may be used in lieu of tests where it can be shown that the article is similar in design, manufacturing process, and quality control to another article that was previously certified/validated in accordance with equivalent or more stringent criteria. (42) Liftout means the mechanism also known as knockout. Even though not employing a clutch, direct drives match the operational characteristics of part revolution clutches because the driving power may be disengaged during the stroke of the press. Subpart PHand and Portable Powered Tools and Other Hand-Held Equipment. 1910.401 Scope and application. Before proposing to revoke recognition, the Agency will notify the recognized validation organization of the basis of the proposed revocation and will allow rebuttal or correction of the alleged deficiencies. (25) Face of slide means the bottom surface of the slide to which the punch or upper die is generally attached. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. It is free of direct influence or control by manufacturers, suppliers, vendors, representatives of employers and employees, and employer or employee organizations; and. The manufacturer shall certify and the OSHA-recognized third-party validation organization shall validate that: (a) The design of components, subsystems, software and assemblies meets OSHA performance requirements and are ready for the intended use; and. to 16,5 S.F.P.M.1. 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. The application for expansion will be acted upon and processed by OSHA in accordance with subsection I.B. The penetration depth factor shall be determined from Graph h-1 using the minimum object sensitivity size. If such guard is constructed of sheet metal, the material used shall be not less than 116 inch in thickness, and if cast iron is used, it shall be not less than three-sixteenths inch in thickness. If the safeguard is not described in this section, give a complete description. (iii) If two-hand trip systems are used on multiple operator presses, each operator shall have a separate set of controls. 1910.252 General requirements. We're always open to new suggestions on safety training topics you'd like to see! The direction of the saw rotation shall be conspicuously marked on the hood. (i) Blotters (compressible washers) shall always be used between flanges and abrasive wheel surfaces to insure uniform distribution of flange pressure. (vi) The employer shall notify the OSHA-recognized third-party validation organization within five days of the occurrence of any point of operation injury while a press is used in the PSDI mode. Production shall not be done in the inch mode. The following terms and conditions shall be part of every recognition: a. (7) Die fastening. All dies shall be: (i) Stamped with the tonnage and stroke requirements, or have these characteristics recorded if these records are readily available to the die setter; (ii) Stamped to indicate upper die weight when necessary for air counterbalance pressure adjustment; and. (3) Work area. 1910.137 Electrical protective equipment. (ii) The relevant requirements of paragraphs (a) through (g) of this section also shall apply to all presses used in the PSDI mode of operation, whether or not cross referenced in this paragraph (h). (v) For cutting-off wheels larger than 16 inches diameter and where speed does not exceed 14,200 surface feet per minute, safety guards as specified in Figures O-27 and O-28, and in Table O-1 shall be used. View the most recent official publication: These links go to the official, published CFR, which is updated annually. b. (iii) The pedal return spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, or designed to prevent interleaving of spring coils in event of breakage. When dies are being changed, maintenance performed, or any work done on the machine, the power to the upsetter shall be locked out, and the flywheel shall be at rest. 1910.66 Powered platforms for building maintenance. 6. (i) Hand-lever-operated power presses shall be equipped with a spring latch on the operating lever to prevent premature or accidental tripping. If its necessary to clean belts or drums while the equipment in is motion, insure proper barrier guards are in place and that no part of the equipment can be activated which could endanger the individual at work. (i) Shafting shall be kept in alignment, free from rust and excess oil or grease. d. The applicant shall identify the test methods it or the validating laboratory will use to test or judge the components and operations of the PSDI safety system required to be tested by the PSDI standard and appendix A, and shall specify the reasons the test methods are appropriate. (1) General. (D) The requirements for hand tools that may be used in the PSDI mode. (2) Safety trip, side. information or personal data. (14) Abrasive wheel means a cutting tool consisting of abrasive grains held together by organic or inorganic bonds. Comments or questions about document content can not be answered by OFR staff. 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. (4) Mill roll heights. Belt shifter and clutch handles shall be rounded and be located as far as possible from danger of accidental contact, but within easy reach of the operator. (4) The mention of specific machines in paragraphs (a) thru (q) and this paragraph (r) of this section, inclusive, is not intended to exclude other woodworking machines from the requirement that suitable guards and exhaust hoods be provided to reduce to a minimum the hazard due to the point of operation of such machines. Limitation: Minimum back thickness, E dimension, should not be less than one-fourth T dimension. The employer shall insure by adequate supervision that correct operating procedures are being followed. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. Gears. ), (5) Surface grinders and cutting-off machines. (1) All portions of the saw blade shall be enclosed or guarded, except for the working portion of the blade between the bottom of the guide rolls and the table. b. Steel castings (min. (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. The regular oilers shall wear tight-fitting clothing. 1910.16 Longshoring and marine terminals. Cast iron (min. (iii) Type 27A cutting-off wheels are designed to be mounted by means of flat, not relieved, flanges having matching bearing surfaces and which may be less than one-third but shall not be less than one-fourth the wheel diameter. the hierarchy of the document. (20) Die set means a tool holder held in alignment by guide posts and bushings and consisting of a lower shoe, an upper shoe or punch holder, and guide posts and bushings. The use in the formula of twice the stopping time increase, Tm, allowed by the brake monitor for brake wear allows for greater increases in the downstroke stopping time than occur in normal stopping time at the top of the stroke. 1910.183 Helicopters. 7, 1996; 69 FR 31882, June 8, 2004]. (7) Environmental requirements. On offhand grinding machines, work rests shall be used to support the work. of this appendix, subject to the possible reinspection exception. (j) Modified Types 6 and 11 wheel (terrazzo) - blotters applied flat side of wheel only. (3) Bench and floor stands. Occupational Safety and Health Administration (OSHA) No current OSHA standards apply specifically to compacting and baling equipment. (2) Guard exposure angles. (vii) Material handling equipment shall be of adequate strength, size, and dimension to handle diesetting operations safely. e. The applicant may include whatever enclosures, attachments, or exhibits the applicant deems appropriate. See paragraph (c) of 1910.215 for full description. 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. 1910.163 Fixed extinguishing systems, water spray and foam. The driving flange shall be securely fastened to the spindle and the bearing surface shall run true. (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. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. (2) Inspection and maintenance. Machine components shall be designed, secured, or covered to minimize hazards caused by breakage, or loosening and falling or release of mechanical energy (i.e. The driving point of all friction drives when exposed to contact shall be guarded, all arm or spoke friction drives and all web friction drives with holes in the web shall be entirely enclosed, and all projecting belts on friction drives where exposed to contact shall be guarded. 2. The press manufacturer's recommendations shall be followed. (This may be through reference to published sources which describe the test methods or procedures used.). 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. This appendix provides nonmandatory supplementary information and guidelines to assist in the understanding and use of 29 CFR 1910.217(h) to allow presence sensing device initiation (PSDI) of mechanical power presses. (v) A covered container shall be provided to store dross skimmings. 1910.424 SCUBA diving. When removing material off conveyors, workers should remain alert and safeguard their hands; the moving material can create pinch points. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. 1 Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. (55) Trip or (tripping) means activation of the clutch to run the press. result, it may not include the most recent changes applied to the CFR. The scale shall be marked to indicate that brake adjustment and/or replacement is required. 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. Hardwoods recommended are those whose ultimate crushing strengths in compression parallel to grain are 5,000 p.s.i. (4) Installation shall be in such a manner that the front end of the unit will be slightly higher than the rear, so as to cause the cutting head to return gently to the starting position when released by the operator. Acceptable design features shall demonstrate, in the following order or precedence, that: (1) No single failure points may cause injury; or. (12) For all circular saws where conditions are such that there is a possibility of contact with the portion of the saw either beneath or behind the table, that portion of the saw shall be covered with an exhaust hood, or, if no exhaust system is required, with a guard that shall be so arranged as to prevent accidental contact with the saw. PART 1910OCCUPATIONAL SAFETY AND HEALTH STANDARDS. A correlation of the brake and/or clutch degradation based on the above tests and/or estimates shall be made and documented. The approval of brake monitor adjustments, as required in paragraph (h)(5)(ii), is not considered a recertification, and does not necessarily involve an on-site inspection by a representative of the validation organization. tensile strength 60,000 p.s.i.). The intent of paragraph (h)(9)(iii) is to prohibit use of mirrors to bend a single light curtain sensing field around corners to cover more than one side of a press.

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