The removal of a hand from any control button shall cause the slide to stop. (iii) A fixed barrier guard shall be attached securely to the frame of the press or to the bolster plate. The employer shall evaluate and test the PSDI safety system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall recertify that the requirements of 1910.217(a) through (h) and this appendix are being met. Pulley speeds. (d) Design, construction, setting and feeding of dies -. This section covers the principal features with which power transmission safeguards shall comply. Background and more details are available in the (iv) Light curtains used for PSDI operation shall have minimum object sensitivity not to exceed one and one-fourth inches (31.75 mm). It is recommended that old installations be changed to conform to this rule. fOSHA Conveyor Standards The test report shall include the following: a. The validation organization representative shall witness at least one set of each of these tests. (ii) Where suspended counterweights are used and not guarded by location, they shall be so encased as to prevent accident. Where brake springs are externally accessible, lock nuts or other means may be provided to reduce the possibility of backing off of the compression nut which holds the springs in place. (12) Presence sensing device means a device designed, constructed and arranged to create a sensing field or area that signals the clutch/brake control to deactivate the clutch and activate the brake of the press when any part of the operator's body or a hand tool is within such field or area. (3) Cylinder draining. (61) Presence sensing device initiation means an operating mode of indirect manual initiation of a single stroke by a presence sensing device when it senses that work motions of the operator, related to feeding and/or removing parts, are completed and all parts of the operator's body or hand tools are safely clear of the point of operation. (i) Overhead horizontal belts, with lower parts seven (7) feet or less from the floor or platform, shall be guarded on sides and bottom in accordance with paragraph (o)(3) of this section. Tr = Longest response time, in seconds, of all interposing control elements between the presence sensing device and the clutch/brake operating mechanism(s). An application may be revised by an applicant at any time prior to the completion of the final staff recommendation. 1910.423 Post-dive procedures. The visual check shall include a determination that the spring housing or rod does not show damage sufficient to degrade the structural integrity of the unit, and the spring does not show any tendency to interleave. Type 1 wheels shall be mounted between flanges. (i) The point of operation of presses operated in the PSDI mode shall be safeguarded in accordance with the requirements of paragraph (c) of this section, except that the safety distance requirements of paragraph (h)(9)(v) of this section shall be used for PSDI operation. formatting. ), (7) Automatic snagging machines. No one should ever climb over or crawl under a conveyor and NEVER ride on or otherwise use a conveyor for transportation. b. (1) Safety trip, face. (12) Pressure vessels. Vertical belts running over a lower pulley more than seven (7) feet above floor or platform shall be guarded at the bottom in the same manner as horizontal overhead belts, if conditions are as stated in paragraphs (e)(2)(ii) (a) and (c) of this section. Cranks and connecting rods, when exposed to contact, shall be guarded in accordance with paragraphs (m) and (n) of this section, or by a guardrail as described in paragraph (o)(5) of this section. Unless a 6-foot 6-inch headroom clearance is provided, employees shall not be permitted to pass under conveyors. (23) Die shoe means a plate or block upon which a die holder is mounted. 1910.1200 Hazard communication. We're always open to new suggestions on safety training topics you'd like to see! Since that time there have been several revisions, 1987, 1990, 1993, an Addenda in 1992, 2003, 2009, 2012, and 2015. (i) Standard conditions shall be secured by the use of the following materials. (i) Guardrail shall be forty-two (42) inches in height, with midrail between top rail and floor. The clutch/brake control system shall be designed and constructed to prevent actuation of the clutch if all operating stations are bypassed. If made of wood, the posts shall be two by four (2 x 4) inches or larger. 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. A. 1 Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. Die-setting shall not be done in the PSDI mode. The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. 1910.1007 3,-Dichlorobenzidine (and its salts). (i) A main power disconnect switch capable of being locked only in the Off position shall be provided with every power press control system. Die keys and shims shall be made from a grade of material that will not unduly crack or splinter. 1910.211 Definitions. Regulation 1910.178(g)(2) also mandates "adequate ventilation" in battery charging areas. (iii) Full revolution mechanical power presses shall not be used in the PSDI mode of operation. (b) Anchoring fixed machinery. Compliance with 1910.217(h)(9)(x). (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. Title 29 was last amended 2/24/2023. The maximum exposure angles specified in paragraphs (b) (3) through (8) of this section shall not be exceeded. Hand feeding tools are intended for placing and removing materials in and from the press. 1910.161 Fixed extinguishing systems, dry chemical. The requirement in paragraph (h)(3)(i)(C) is intended to prevent degradation in stoping speed from higher air pressure. The failure shall be detectable by a simple test, or indicated by the control system. This distance shall apply to the actual working level, whether it be at the general floor level, in a pit, or on a platform. 1910.1047 Ethylene oxide. General. 6.a. (iii) Table O-8 and Figure O-35 show minimum dimensions for straight flanges that are an integral part of wheel sleeves which are frequently used on precision grinding machines. This document is not intended to be totally inclusive but rather to highlight the information and requirements in the complete OSHA standard that all owners and (xi) Where there is more than one operator of a press used for PSDI, each operator shall be protected by a separate, independently functioning, presence sensing device. Dimensions of such flanges shall never be less than indicated. 1910.160 Fixed extinguishing systems, general. This table technically only applies to mechanical power presses operated within OSHA's jurisdiction, although some industry consensus standards also reference this table, such as ANSI B65.1 . 1910.308 Special systems. (iv) 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. Conveyors are safe when used correctly, but they can be dangerous, and even deadly, if workers fail to follow safety procedures when working on or around them. The cables shall not be more than 72 inches above the level on which the operator stands. (10) Material requirements and minimum dimensions. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 5-2002 (67 FR 65008), or 1-2012 (77 FR 3912), as applicable; 20 CFR part 1911. Appendix A to Subpart L of Part 1910Fire Protection 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. The certification/validation process should confirm that hazards identified by hazard analysis, (HA), failure mode effect analysis (FMEA), and other system analyses have been eliminated by design or reduced to an acceptable level through the use of appropriate design features, safety devices, warning devices, or special procedures. (1) Keys. 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. (2) Push stick means a narrow strip of wood or other soft material with a notch cut into one end and which is used to push short pieces of material through saws. Where guard is exposed to contact with moving equipment, additional strength may be necessary. (iii) When presses used in the PSDI mode have flywheel or bullgear running on crankshaft mounted journals and bearings, or a flywheel mounted on back shaft journals and bearings, periodic inspections following the press manufacturer's recommendations shall be made to ascertain that bearings are in good working order, and that automatic lubrication systems for these bearings (if automatic lubrication is provided) are supplying proper lubrication. (7) Machines using part revolution clutches. In overhead silent chain-drive guards where the chain is held from lateral displacement on the sprockets, the side clearances required on drives of twenty (20) inch centers or under shall be not less than one-fourth inch from the nearest moving chain part, and on drives of over twenty (20) inch centers a minimum of one-half inch from the nearest moving chain part. 1910.1052 Methylene chloride. After hearing. 1910.254 Arc welding and cutting. 7, 1996]. If there is a counterweight, the bolts supporting the bar and counterweight shall be provided with cotter pins; and the counterweight shall be prevented from dropping by either a bolt passing through both the bar and counterweight, or a bolt put through the extreme end of the bar, or, where the counterweight does not encircle the bar, a safety chain attached to it. (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. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. contact the publishing agency. (60) Brake monitor means a sensor designed, constructed, and arranged to monitor the effectiveness of the press braking system. All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. a. Mills and calenders in the rubber and plastics industries. If such a guard is constructed of sheet metal, the material used shall be not less than one-sixteenth inch in thickness; and if cast iron is used, it shall not be less than three-sixteenths inch in thickness. (OSHA 3170-02R, 2007) Title: Microsoft Word - FS Conveyors2.doc Author: rudnick Created Date: 11/18/2011 5:41:31 PM . Subpart O: Machinery and Machine Guarding, OSHA 1910 General - UpCodes 1910.108 [Reserved] 1. The employer shall evaluate and test the PSDI system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall certify that the requirements of 1910.217(a) through (h) and this appendix A have been met and that the installation is proper. The validation organization shall demonstrate a capability for selecting, reviewing, and/or validating appropriate standards and test methods to be used for validating the certification of PSDI safety systems, as well as for reviewing judgements on the safety of PSDI safety systems and their conformance with the requirements of this section. [Reserved], https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-O. Validation for Design Certification/Validation. PDF All Conveyors - Safety Section - Sukup 1. (2) Boring bits should be provided with a guard that will enclose all portions of the bit and chuck above the material being worked. Appendix A to Subpart I of Part 1910References for Further Information (Non-mandatory) (1) Each swing cutoff saw shall be provided with a hood that will completely enclose the upper half of the saw, the arbor end, and the point of operation at all positions of the saw. The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. The analysis reports should identify: (1) The basis for the analysis; (2) the hardware or software items analyzed; (3) conclusions; (4) safety factors; and (5) limit of the analysis. 1910.140 Personal fall protection systems. 1910.219 Mechanical power-transmission apparatus. 1910.217 Mechanical power presses. Part 1910 Previous Next Top Enhanced Content The complete text of this part is too large to display all at once. (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. (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). 1910.123 Dipping and coating operations: Coverage and definitions. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 53 FR 8353, Mar. 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. The guard for the portion of the blade between the sliding guide and the upper-saw-wheel guard shall protect the saw blade at the front and outer side. The stroking selector generally includes positions for Off (Clutch Control), Inch, Single Stroke, and Continuous (when Continuous is furnished). . The guard shall automatically adjust itself to cover the unused portion of the head and shall remain in contact with the material at all times. Conveyors training, regulations, analysis, news, and tools - BLR (33) Die enclosure guard means an enclosure attached to the die shoe or stripper, or both, in a fixed position. 1. 1910.264 Laundry machinery and operations. Provide employees with the right battery handling equipment. The term manufacturers refers to the manufacturer of any of the components of the safety system. Each continuous line of shafting shall be secured in position against excessive endwise movement. (A) Where presses that have slide counterbalance systems are used in the PSDI mode, the counterbalance system shall also meet the requirements of paragraph (b)(9) of this section. (e) Cylinders, cup, or segmental wheels that are mounted in chucks. The stop control shall override any other control, and reactuation of the clutch shall require use of the operating (tripping) means which has been selected. All drip cups and pans shall be securely fastened. 1910.134 Respiratory protection. Gears shall be guarded in accordance with one of the following methods: (ii) By a standard guard as described in paragraph (o) of this section, at least seven (7) feet high extending six (6) inches above the mesh point of the gears; or. (4) Vertical belts. When flywheel extends into pit or is within 12 inches of floor, a standard toeboard shall also be provided; (iii) When the upper rim of flywheel protrudes through a working floor, it shall be entirely enclosed or surrounded by a guardrail and toeboard.
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