A slot opening for jack bar will be permitted. The guard shall prevent opening of the interlocked section and reaching into the point of operation prior to die closure or prior to the cessation of slide motion.
1910.261 - Occupational Safety and Health Administration (a)(1) OSHA Basics: OSHA's Special Industry Standards in Subpart R When refacing or truing, care shall be exercised to make sure that proper relief and rigidity is maintained as specified in paragraphs (c) (2) and (5) of this section and they shall be replaced when they do not conform to these subparagraphs and Table O-4, Figure O-30, Table O-5, Figure O-31, Table O-6, Figure O-32, and Table O-8, Figure O-35. The adjustments shall be made before performing the stopping time measurements required by paragraphs (h)(2)(ii), (h)(5)(iii), and (h)(9)(v) of this section. (ii) The employer shall provide spring loaded turnover bars, for presses designed to accept such turnover bars. Preliminary approval. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. (i) The operator training required by paragraph (f)(2) of this section shall be provided to the employee before the employee initially operates the press and as needed to maintain competence, but not less than annually thereafter. 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. 1910.184 Slings.
OSHA 1910.145 Warning Signs and Tags - Creative Safety Supply 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. 1910.21 Scope and definitions. b. (4) Pulley speeds. 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. Side grinding wheel having a diameter, thickness and hole with one side straight or flat and the opposite side recessed. Hangers. (5) Grinding. The outside periphery of the enclosure shall be solid. Where tools are used for feeding, removal of scrap, lubrication of parts, or removal of parts that stick on the die in PSDI operations: (A) The minimum diameter of the tool handle extension shall be greater than the minimum object sensitivity of the presence sensing device(s) used to initiate press strokes; or. The manufacturer shall design a set of integrated tests to demonstrate compliance with the following requirements: Sections 1910.217(h)(6) (ii); (iii); (iv); (v); (vi); (vii); (viii); (ix); (xi); (xii); (xiii); (xiv); (xv); and (xvii). Press brakes, hydraulic and pneumatic power presses, bulldozers, hot bending and hot metal presses, forging presses and hammers, riveting machines and similar types of fastener applicators are excluded from the requirements of this section. The validation organization shall assign overall responsibility for the validation of PSDI certification to an Administrative Director. The penetration depth factor shall be determined from Graph h-1 using the minimum object sensitivity size. [Reserved], https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-O. (2) Lockouts. The interior surface of all guards, by which is meant the surface of the guard with which a belt will come in contact, shall be smooth and free from all projections of any character, except where construction demands it; protruding shallow roundhead rivets may be used. Only part revolution type mechanical power presses are approved for PSDI. (o) Profile and swing-head lathes and wood heel turning machine. (d) The control systems shall be designed to require release of all operators' hand controls before an interrupted stroke can be resumed. 1910.1004 alpha-Naphthylamine. Guarding. (i) Hand-lever-operated power presses shall be equipped with a spring latch on the operating lever to prevent premature or accidental tripping. (56) Turnover bar means a bar used in die setting to manually turn the crankshaft of the press. (B) After a press has been equipped with a safety system whose design has been certified and validated in accordance with paragraph (h)(11)(i) of this section, the safety system installation shall be certified by the employer, and then shall be validated by an OSHA-recognized third-party validation organization to meet all applicable requirements of paragraphs (a) through (h) and appendix A of this section. Tm = Increase in the press stopping time at the top of the stroke, in seconds, allowed by the brake monitor for brake wear. 6. The validation organization and/or validating laboratory shall have established written procedures for test and certification/validation of PSDI safety systems. (52) Stop control means an operator control designed to immediately deactivate the clutch control and activate the brake to stop slide motion. 4. (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). (b) As used in 1910.215 unless the context clearly requires otherwise, the following abrasive wheel machinery terms shall have the meanings prescribed in this paragraph. "Employers want to make sure their equipment is safe to operate," says McCullough. (i) The employer shall establish a diesetting procedure that will insure compliance with paragraph (c) of this section. If a stairway accesses the catwalk, the width requirements depend on the width of the stairway that serves it. (51) Slide means the main reciprocating press member. 1. (h) Presence sensing device initiation (PSDI) -. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. a. The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cylindrical grinding machines shall not exceed 180. or existing codification. Conveyor safety hazards are varied, and the most common type is contact with the moving belt or other parts. Production shall not be done in the inch mode. 1910.102 Acetylene. Pressing enter in the search box 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. (1) Each machine shall be so constructed as to be free from sensible vibration when the largest size tool is mounted and run idle at full speed. Where passage is regarded as necessary, there shall be a platform over the lower run guarded on either side by a railing completely filled in with wire mesh or other filler, or by a solid barrier. (ix) If foot control is provided, the selection method between hand and foot control shall be separate from the stroking selector and shall be designed so that the selection may be supervised by the employer. (ii) The PSDI mode shall not be used for die setting or set-up. Every saw shall be provided with a guard of not less than one-eighth inch sheet metal positioned to stop flying sparks. (d) Two hand trips shall be fixed in position so that only a supervisor or safety engineer is capable of relocating the controls. Shall not engage in the design, manufacture, sale, promotion, or use of the certified equipment. (10) Sheaves mean grooved pulleys, and shall be so classified unless used as flywheels. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. Where a calender is so installed that persons cannot normally reach through, over, under, or around to come in contact with the roll bite or be caught between a roll and an adjacent object, then, provided such elements are made a fixed part of a calender, safety control devices listed in paragraph (c) of this section shall not apply. 3. (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. The failure shall be indicated by the system. Minimum requirements for this position are a Bachelor's degree in a technical field and five years of professional experience, at least one of which shall have been in responsible charge of a function in the area of testing, quality control or certification/validation of equipment comparable to power presses or their associated control systems. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. A slot opening for jack bar will be permitted. 1910.420 Safe practices manual. b. 1910.502 Healthcare. (4) Arbors of all circular saws shall be free from play. Prior to use, both the employer and manufacturer must certify that these requirements and all the other applicable requirements of this section are met and these certifications must be validated by an OSHA-recognized third-party validation organization to meet these additional requirements and all the other applicable requirements of paragraphs (a) through (h) and appendix A of this section. result, it may not include the most recent changes applied to the CFR. (x) All components and subsystems of the control system shall be designed to operate together to provide total control system compliance with the requirements of this section. (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. Flywheels. Flanges shall be dimensionally accurate and in good balance. (3) Auxiliary equipment. b. (ii) In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. Where the drive extends over other machine or working areas, protection against falling shall be provided. 1910.132 General requirements. (A) A check shall be performed using the test rod according to the presence sensing device manufacturer's instructions to determine that the presence sensing device used for PSDI is operational. No one should ever climb over or crawl under a conveyor and NEVER ride on or otherwise use a conveyor for transportation. (v) Cause of the accident (repeat of press, safeguard failure, removing stuck part or scrap, no safeguard provided, no safeguard in use, or other). "Published Edition". The employer shall certify that the PSDI safety system has been design certified and validated, that the installation meets the operational and environmental requirements specified by the manufacturer, that the installation drawings are accurate, and that the installation meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. The guard shall be constructed of heavy material, preferably metal, and the edge of the guard shall come to within three-eighths inch of the plane formed by the inside face of the feed roll in contact with the stock being cut. The spreader shall be slightly thinner than the saw kerf and slightly thicker than the saw disk. 29 U.S.C. 1910.156 Fire brigades. A certification/validation report shall be prepared for each PSDI safety system for which the certification is validated. For hole sizes smaller than shown in this table, use table 12. (l) Belt shifters, clutches, shippers, poles, perches, and fasteners -. In addition, General Industry applications must adhere to OSHA regulations for Ladder Safety 1910.23 (if applicable) and Walking-Working Surfaces 1910.28. 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. The model is based on medical research into the forces needed to cause damage to . (3) Conveyors. The third-party validation organization, the validating laboratory, and the employees of each shall meet the requirements set forth in this section of this appendix. (ii) Table O-5, and Table O-7 and Figures O-31, O-33, O-34 show minimum dimensions for straight adaptor flanges for use with wheels having holes larger than the spindle. Grinding wheels shall fit freely on the spindle and remain free under all grinding conditions. 1910.22 General requirements. This requirement does not apply to those elements of the control system which have no effect on the protection against point of operation injuries. (1) Safety cylinder head. (b) Anchoring fixed machinery. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. If it so determines, it shall revalidate the employer's recertification that the PSDI system is in full conformance with all requirements of 29 CFR 1910.217(a) through (h) and this appendix A. 1910.1015 4-Dimethylaminoazobenzene. (26) Feeding means the process of placing or removing material within or from the point of operation. (50) Single stroke mechanism means an arrangement used on a full revolution clutch to limit the travel of the slide to one complete stroke at each engagement of the clutch. (5) Excluded machines.
Conveyor Safety | OSHA Safety Manuals These guards shall effectively prevent the hands or fingers of the operator from coming in contact with the nip points. (B) The air supply for pneumatic clutch/brake control valves shall incorporate a filter, an air regulator, and, when necessary for proper operation, a lubricator. 1910.30 Training requirements. (ii) The ram shall be blocked with a material the strength of which shall meet or exceed the specifications or dimensions shown in Table O-11. 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 recognition of any validation organization will be evidenced by a letter of recognition from OSHA. (i) See Figures O-36 and O-37 and Table O-9 for minimum basic thickness of peripheral and side members for various types of safety guards and classes of service. a. 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. Fixing of selection shall be by means capable of supervision by the employer. Belt shippers and shipper poles. Diamond and reinforced wheels are included. 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. A. Certification/validation of hardware design below the system level should be accomplished by test and/or analysis. Limitation: Minimum back thickness, E dimension, should not be less than one-fourth T dimension.
Crossing Over Conveyors Safely learn more about the process here. (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. (ii) Tap wheels about 45 each side of the vertical centerline and about 1 or 2 inches from the periphery as indicated by the spots in Figure O-25 and Figure O-26. (viii) The two hand trip device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. 1910.1000 Air contaminants. 2. The employer shall: (i) Use dies and operating methods designed to control or eliminate hazards to operating personnel, and. Where guard is exposed to contact with moving equipment additional strength may be necessary. 1910.307 Hazardous (classified) locations. 7, 1996]. The application shall identify the scope of the validation activity for which the applicant wishes to be recognized, based on one of the following alternatives: (1) Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation; (2) Design Certification/Validation only; or. (3) Training of maintenance personnel.
3M Protecta Fall Protection AD120BC Rebel Self-Retracting Lifeline (4) Belt fasteners. A summary of part level content is listed below followed by the table of contents, where you can drill down further. a. (1) Safety-bit chucks with no projecting set screws shall be used. (7) Lubrication. Where clamp caps or setscrews are used in conjunction with punch stems, additional means of securing the upper shoe to the slide shall be used. Hand feeding tools are not a point of operation guard or protection device and shall not be used in lieu of the guards or devices required in this section. The validation organization or the validating laboratory shall own a registered certification/validation mark or logo. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. 1910.140 Personal fall protection systems. (4) Any automatic cutoff saw that strokes continuously without the operator being able to control each stroke shall not be used. Table O-7 - Minimum Dimensions for Straight Flanges - for Mechanical Grinders 12,500 S.F.P.M. An employer who assembles a PSDI safety system would be a manufacturer as well as employer for purposes of this standard and appendix.
(59) Control system means sensors, manual input and mode selection elements, interlocking and decision-making circuitry, and output elements to the press operating mechanism. A copy of the test report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to OSHA upon request. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. (xiv) The control system shall perform checks for proper operation of all cycle control logic element switches and contacts at least once each cycle. The employer shall operate his presses within the tonnage and attachment weight ratings specified by the manufacturer. (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. The manufacturer shall design a test to demonstrate that the prescribed minimum object sensitivity of the presence sensing device is met. 1910.124 General requirements for dipping and coating operations. The test report shall be signed by a technical staff representative and the Technical Director. The documentation shall include, but not be limited to, the following items: a. (See Figures O-14 and O-15. When mounting wheels which have not been cemented together, or ones which do not utilize separating spacers, care must be exercised to use wheels specially manufactured for that purpose. (16) Sweep device means a single or double arm (rod) attached to the upper die or slide of the press and designed to move the operator's hands to a safe position as the dies close, if the operator's hands are inadvertently within the point of operation.