This subparagraph does not apply to manually operated sprockets. (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. 7, 1996; 69 FR 31882, June 8, 2004; 76 FR 80739, Dec. 27, 2011; 77 FR 46949, Aug. 7, 2012; 78 FR 69550, Nov. 20, 2013]. Some metals can be forged at room temperature, but the majority of metals are made more plastic for forging by heating. (OSHA 3170-02R, 2007) Title: Microsoft Word - FS Conveyors2.doc Author: rudnick Created Date: 11/18/2011 5:41:31 PM . (9) Push sticks or push blocks shall be provided at the work place in the several sizes and types suitable for the work to be done. (e) As used in 1910.218, unless the context clearly requires otherwise, the following forging and hot metal terms shall have the meaning prescribed in this paragraph. (6) Maintenance runway means any permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for passageway. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. (iv) Air counterbalance cylinders shall have adequate capability to hold the slide and its attachments at any point in stroke, without brake applied. (k) Guarding of clutches, cutoff couplings, and clutch pulleys -. The requirement in paragrpah (h)(2)(iii) reduces the possibility of significantly increased stopping time if a spring breaks. (c) Safeguarding the point of operation -. (n) Planing, molding, sticking, and matching machines. 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. (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. (See Figures O-6 and O-7 and paragraph (b)(9) of this section. (ii) 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. Guards. Bearings. All Conveyors - Safety Section Refer to OSHA 1910.132 (Personal Prot. Stopping distances shall be expressed in inches of surface travel of the roll from the instant the emergency stopping device is actuated. (b) Each two hand control shall meet the construction requirements of paragraph (b)(7)(v) of this section. Machines designed for a fixed location shall be securely anchored to prevent walking or moving. The midrail may be one by four (1 4) inches or more. (vii) The two hand control device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. Engine rooms. a. The validation organization and the validating laboratory shall be adequately staffed by personnel who are qualified by technical training and/or experience to conduct the validation of the certification of PSDI safety systems. 1910.333 Selection and use of work practices. (5) Each wood jointer with vertical head shall have either an exhaust hood or other guard so arranged as to enclose completely the revolving head, except for a slot of such width as may be necessary and convenient for the application of the material to be jointed. (i) Spring counterbalance systems when used shall incorporate means to retain system parts in event of breakage. 4. The hood shall be so mounted as to insure that its operation will be positive, reliable, and in true alignment with the saw; and the mounting shall be adequate in strength to resist any reasonable side thrust or other force tending to throw it out of line. Pulley speeds. (e) Inspection, maintenance, and modification of presses -. and fell backwards and hit my head on the frame of the conveyor . 1910.425 Surface-supplied air diving. In addition, when unthreaded hole wheels are specified, the inside flat, K dimension, must be large enough to accommodate a suitable flange. ), (5) Surface grinders and cutting-off machines. 1910.1016 N-Nitrosodimethylamine. This preliminary decision will be sent to the applicant and subsequently published in the Federal Register. The renewal request will be processed in accordance with subsection I.B. The test report shall be signed by a technical staff representative and the Technical Director. This clearance shall not exceed one-sixteenth inch. (vi) Certain Type 1 and Type 27A cutting-off wheels. (48) Safety block means a prop that, when inserted between the upper and lower dies or between the bolster plate and the face of the slide, prevents the slide from falling of its own deadweight. 1910.166-1910.168 [Reserved] (iv) Periodic inspections of clutch and brake mechanisms shall be performed to assure they are in proper operating condition. 1. 1910.122 Table of contents. Lubrication. (h) Presence sensing device initiation (PSDI) -. They shall be continuous, the ends being either riveted, bolted, or welded together in such a manner as to leave the inside free from projections. 1910.213 Woodworking machinery requirements. Overhead chain and link belt drives are governed by the same rules as overhead horizontal belts and shall be guarded in the same manner as belts. 1910.264 Laundry machinery and operations. (vi) The control system shall incorporate a timer to deactivate PSDI when the press does not stroke within the period of time set by the timer. 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. (2) Brake means the mechanism used on a mechanical power press to stop and/or hold the crankshaft, either directly or through a gear train, when the clutch is disengaged. (ii) The operating levers on hand-tripped presses having more than one operating station shall be interlocked to prevent the tripping of the press except by the concurrent use of all levers. 1910.104 Oxygen. For that reason, the prohibitions against die-setting in the PSDI mode, and against production in the inch mode are cited to emphasize that inch operation is of reduced safety and is not compatible with PSDI or other production modes. Exceptions are set forth in the remaining subdivisions of this subparagraph. (i) A main power disconnect switch capable of being locked only in the Off position shall be provided with every power press control system. Appendix E to Subpart L of Part 1910Test Methods for Protective Clothing, Subpart MCompressed Gas and Compressed Air Equipment. The various openings are such that for average size hands an operator's fingers won't reach the point of operation. (v) The employer shall notify the OSHA-recognized third-party validation organization within five days whenever a component or a subsystem of the safety system fails or modifications are made which may affect the safety of the system. The regulations listed in OSHA 1910.145 cover a variety of aspects of signs and tags. (This may be through reference to published sources which describe the test methods or procedures used.). EN 618:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors EN 619:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads Hand feeding tools are intended for placing and removing materials in and from the press. (vi) Type of feeding (manual with hands in dies or with hands out of dies, semiautomatic, automatic, or other). Flywheels located so that any part is seven (7) feet or less above floor or platform shall be guarded in accordance with the requirements of this subparagraph: (i) With an enclosure of sheet, perforated, or expanded metal, or woven wire; (ii) With guard rails placed not less than fifteen (15) inches nor more than twenty (20) inches from rim. 2. The manufacturer's recommended procedures for maintenance and inspection should be closely followed. a. (xvii) Controls with internally stored programs (e.g., mechanical, electro-mechanical, or electronic) shall meet the requirements of paragraph (b)(13) of this section, and shall default to a predetermined safe condition in the event of any single failure within the system. 1. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. (b) The performance of combined subsystems meets OSHA's operational requirements. (v) Two-hand controls for single stroke shall conform to the following requirements: (a) Each hand control shall be protected against unintended operation and arranged by design, construction, and/or separation so that the concurrent use of both hands is required to trip the press. from the floor or platform may be guarded with a disk covering the spokes. The recommendations of the brake system manufacturer shall be used to simulate or estimate the brake wear. 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. Amendments and withdrawals. Every saw shall be provided with a guard of not less than one-eighth inch sheet metal positioned to stop flying sparks. (3) Feed rolls shall be guarded by a hood or suitable guard to prevent the hands of the operator from coming in contact with the in-running rolls at any point. 6. Pressing enter in the search box General. The midrail may be one by four (1 x 4) inches or more. (iv) 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. Type 11 wheels are subject to all limitations of use and mounting listed for type 6 straight sided cup wheels definition. (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. (ii) 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.). Subpart O - Machinery and Machine Guarding. (1) Minimum requirements. Flanges shall be dimensionally accurate and in good balance. (9) Prime movers include steam, gas, oil, and air engines, motors, steam and hydraulic turbines, and other equipment used as a source of power. (1) Type 1 straight wheels means wheels having diameter, thickness, and hole size dimensions, and they should be used only on the periphery. b. Compliance with 1910.217(h)(7). Nonmandatory supplementary information and guidelines relating to certification/validation of the PSDI safety system are provided to appendix B to this standard. The Occupational Safety and Health Administration's (OSHA's) requirements for machine guarding are found in 29 Code of Federal Regulations (CFR) 1910 Subpart O, Machinery and Machine Guarding as detailed below; 1910.211 Definitions; 1910.212 General requirements for all machines; . (iv) Light curtains used for PSDI operation shall have minimum object sensitivity not to exceed one and one-fourth inches (31.75 mm). (i) Air-lift hammers shall have a safety cylinder head as required in paragraph (d)(1) of this section. A. (4) Mill roll heights. Side grinding wheel having a wall flared or tapered outward from the back. The provisions of paragraph (h) of this section shall apply to boltheading. This book includes the complete Part 1910 - General Industry, Part 1903 - Inspections, Citations and Proposed Penalties, 1904 - Recording and Reporting Occupational Injuries and Illnesses regulations, and Part 1928 - Occupational .

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