(5) On each machine operated by electric motors, positive means shall be provided for rendering such controls or devices inoperative while repairs or adjustments are being made to the machines they control. 1910.212 General requirements for all machines. (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. 1910.22 General requirements. Its hood shall be so designed that it will automatically cover the lower portion of the blade, so that when the saw is returned to the back of the table the hood will rise on top of the fence, and when the saw is moved forward the hood will drop on top of and remain in contact with the table or material being cut. For hole sizes smaller than shown in this table, use table 12. (ii) Scheduling and recording the inspection of guards and point of operation protection devices at frequent and regular intervals. (2) Brakes. (iii) Air counterbalance cylinders shall incorporate means to retain the piston and rod in case of breakage or loosening. It is recommended that old installations be changed to conform to this rule. Conveyor power transmission equipment shall be guarded in accordance with ANSI B20.1-1957, Safety Code for Conveyors, Cableways, and Related Equipment, which is incorporated by reference as specified in 1910.6. Each continuous line of shafting shall be secured in position against excessive endwise movement. OSHA may revoke its recognition of a validation organization if its program either has failed to continue to satisfy the requirements of this appendix or its letter of recognition, has not been performing the validation functions required by the PSDI standard and appendix A, or has misrepresented itself in its applications. Machines designed for a fixed location shall be securely anchored to prevent walking or moving. Appendix B to Subpart L of Part 1910National Consensus Standards (d) As used in 1910.217, unless the context clearly requires otherwise, the following power press terms shall have the meaning prescribed in this paragraph. (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. "Published Edition". 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. This content is from the eCFR and may include recent changes applied to the CFR. (3) Block means a short block of wood, provided with a handle similar to that of a plane and a shoulder at the rear end, which is used for pushing short stock over revolving cutters. All manually operated valves and switches shall be clearly identified and readily accessible. Hardwoods recommended are those whose ultimate crushing strengths in compression parallel to grain are 5,000 p.s.i. Failure to observe these rules might cause excessive flange pressure around the hole of the wheel. Choosing an item from A recognized validation organization may apply to OSHA for an expansion of its current recognition to cover other categories of PSDI certification/validation in addition to those included in the current recognition. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. 1910.121 [Reserved]. For installation certification/validation and annual recertification/revalidation, in the first stage the employer certifies or recertifies that the employer is installing or utilizing a PSDI safety system validated as meeting the design requirements of 29 CFR 1910.217 (a) through (h) and this appendix A by an OSHA-recognized third-party validation organization and that the installation, operation and maintenance meet the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. 1910.304 Wiring design and protection. In deriving the safety distance required in paragraph (h)(9)(v), all stopping time measurements should be made with clutch/brake air pressure regulated to the press manufacturer's recommended value for full clutch torque capability. Type 1 wheels shall be mounted between flanges. It shall be the responsibility of any person reconstructing, or modifying a mechanical power press to do so in accordance with paragraph (b) of this section. The regular oilers shall wear tight-fitting clothing. The board enclosure shall be securely fastened to the hammer. Momentary operation of the stop control shall immediately deactivate the clutch and apply the brake. Both types are reinforced, organic bonded wheels having offset hubs which permit side and peripheral grinding operations without interference with the mounting. (ii) Where speeds above 250 feet per minute as measured on the surface of the drive roll are used, stopping distances of more than 134 percent are permissible. 7, 1996]. (29) Manual feeding means feeding wherein the material or part being processed is handled by the operator on each stroke of the press. Wall thickness at the back is normally greater than at the grinding face (W). (g) Reports of injuries to employees operating mechanical power presses. 1910.1005 [Reserved] It shall be accessible and shall operate readily on contact. (63) Authorized person means one to whom the authority and responsibility to perform a specific assignment has been given by the employer. A hearing will be granted to an objecting member of the public only if evidence of failure to meet the requirements of this appendix is supplied to OSHA. 1910.161 Fixed extinguishing systems, dry chemical. Appendix C to Subpart L of Part 1910Fire Protection References For Further Information Toeboards shall be four (4) inches or more in height, of wood, metal, or of metal grill not exceeding one (1) inch mesh. It shall be ascertained that the springs have not been broken and that they are functioning properly. 1/1.1 (2) Ambient relative humidity of 99 percent. (xiii) The Control system shall incorporate interlocks for supplemental guards, if used, which will prevent stroke initiation or will stop a stroke in progress if any supplemental guard fails or is deactivated. (6) Each operating treadle shall be protected against unexpected or accidental tripping. It is financially capable to conduct the work; b. (3) On applications where injury to the operator might result if motors were to restart after power failures, provision shall be made to prevent machines from automatically restarting upon restoration of power. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. With an enclosure of sheet, perforated, or expanded metal, or woven wire; With guard rails placed not less than fifteen (15) inches nor more than twenty (20) inches from rim. This type, however, differs from Type 5 in that the grinding is performed on the wall of the abrasive created by the difference between the diameter of the recess and the outside diameter of the wheel. (v) Air counterbalance cylinders shall incorporate means to prevent failure of capability (sudden loss of pressure) in event of air supply failure. If there is a valid request for a hearing pursuant to paragraph I.B.7.b. 1910.213 Woodworking machinery requirements. (5) Blotters. (3) All double-spindle shapers shall be provided with a spindle starting and stopping device for each spindle. (viii) The two hand trip device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. (x) Foot operated tripping controls, if used, shall be protected so as to prevent operation from falling or moving objects, or from unintended operation by accidental stepping onto the foot control. 1910.12 Construction work. Guarding. The hood and mounting shall be arranged so that the hood will automatically adjust itself to the thickness of and remain in contact with the material being cut but it shall not offer any considerable resistance to insertion of material to saw or to passage of the material being sawed. While it is permitted to use signs to warn people of hazards in addition to those listed in this area, other accident prevention signs and tags can't have the same design and appearance. If belt is eight (8) inches or more in width. 1 CFR 1.1 (2) The report shall include the following information: (i) Employer's name, address and location of the workplace (establishment). Copyright OSHA Safety Manuals | All Rights Reserved, Care For Your Half-Mask Air-Purifying Respirator, Cold Weather Hazards Of Propane Fueled Vehicles, Machine Safety- Requirements For Safeguards, IIPP Injury and Illness Prevention Program. For full revolution clutch presses with only one engaging point Tm is equal to the time necessary for one and one-half revolutions of the crankshaft. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 53 FR 8353, Mar. 2. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. (iv) Cylinders, cups, or segmental wheels that are mounted in chucks. 1910.332 Training. Type 28 wheels have saucer shaped grinding rims. 1910.67 Vehicle-mounted elevating and rotating work platforms. 2. (1) Hot trimming presses. (2) Calenders. The hazard created by a guide post (when it is located in the immediate vicinity of the operator) when separated from its bushing by more than one-fourth inch shall be considered as a point of operation hazard and be protected in accordance with paragraph (c) of this section. (xiv) The control system shall perform checks for proper operation of all cycle control logic element switches and contacts at least once each cycle. (2) through (4) of this appendix except that the burden of proof shall be on OSHA to demonstrate by a preponderance of the evidence that the recognition should be revoked because the validation organization either is not meeting the requirements for recognition, has not been performing the validation functions required by the PSDI standard and appendix A, or has misrepresented itself in its applications. For the purpose of demonstrating compliance with the reaction time required by 1910.217(h), the tests shall use the following definitions and requirements: a. 3. The guarding device shall be in conformity with any appropriate standards therefor, or, in the absence of applicable specific standards, shall be so designed and constructed as to prevent the operator from having any part of his body in the danger zone during the operating cycle. (1) Antirepeat means the part of the clutch/brake control system designed to limit the press to a single stroke if the tripping means is held operated. (1) Dull, badly set, improperly filed, or improperly tensioned saws shall be immediately removed from service, before they begin to cause the material to stick, jam, or kick back when it is fed to the saw at normal speed. (10) Sheaves mean grooved pulleys, and shall be so classified unless used as flywheels. b. Surface Feet per minute .262 24 1,000 = 6,288 s.f.p.m. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 43 FR 51760; Nov. 7, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9240, Mar. Production shall not be done in the inch mode. Agree to terms and conditions established by OSHA in the grant of recognition on matters such as exchange of data, submission of accident reports, and assistance in studies for improving PSDI or the certification/validation process. 1 For wheels under 114 inches thick F dimension shall not exceed 40 percent of wheel thickness. (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. PART 1910OCCUPATIONAL SAFETY AND HEALTH STANDARDS. The spreader shall be made of hard tempered steel, or its equivalent, and shall be thinner than the saw kerf. (3) Feed rolls of band resaws shall be protected with a suitable guard to prevent the hands of the operator from coming in contact with the in-running rolls at any point. All revolving collars, including split collars, shall be cylindrical, and screws or bolts used in collars shall not project beyond the largest periphery of the collar. PDF All Conveyors - Safety Section - Sukup The maximum exposure angles specified in paragraphs (b) (3) through (8) of this section shall not be exceeded. (4) Arbors of all circular saws shall be free from play. 1910.24 Step bolts and manhole steps. 3. (1) Types of guarding. The guard shall effectively keep the operator's hand from coming in contact with the revolving knives. will bring you directly to the content. 1910.134 Respiratory protection. (iii) Where the upper and lower runs of horizontal belts are so located that passage of persons between them would be possible, the passage shall be either: (a) Completely barred by a guardrail or other barrier in accordance with paragraphs (m) and (o) of this section; or. 1910.219 Mechanical power-transmission apparatus. (c) A separate pull-out device shall be provided for each operator if more than one operator is used on a press. (ii) Mounts which are affixed to the wheel by the manufacturer may not require an inside nut and shall not be reused. 1910.402 Definitions. (56) Turnover bar means a bar used in die setting to manually turn the crankshaft of the press. Final decision by Assistant Secretary - a. 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. (xi) The control of air-clutch machines shall be designed to prevent a significant increase in the normal stopping time due to a failure within the operating value mechanism, and to inhibit further operation if such failure does occur. The manufacturer shall design, evaluate, test and certify, and the third-party validation organization shall evaluate and validate, that the PSDI safety system meets appropriate requirements in the following areas. 1910.1096 Ionizing radiation. Side grinding wheel having a diameter, thickness and wall - wheel is mounted on the diameter. 1910.243 Guarding of portable powered tools. The test results shall provide the engineering data necessary to establish confidence that the hardware and software will meet specifications, the manufacturing process has adequate quality control and the data acquired was used to establish processes, procedures, and test levels supporting subsequent hardware design, production, installation and maintenance. The Type 27 A Wheel is mounted between flat non-relieved flanges of equal bearing surfaces. (ii) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position. a. Stay on Top of Conveyor Safety - Workplace Material Handling & Safety (7) Lubrication. (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. The hood shall be made of adequate strength to resist blows and strains incidental to reasonable operation, adjusting, and handling, and shall be so designed as to protect the operator from flying splinters and broken saw teeth. (iii) Air-lift hammers shall be provided with two drain cocks: one on main head cylinder, and one on clamp cylinder. (viii) A scale guard of substantial construction shall be provided at the back of every hammer, so arranged as to stop flying scale. All applications submitted will be accepted by OSHA, and their receipt acknowledged in writing.
Btinternet Apple Mail Settings,
Reasons For Delay In Periods After Iui,
Surrounding Environment Synonym,
Articles D