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CMAA 74 - Local Flange Bending - Structural engineering general discussion - Eng-Tips
Jun 23, · Does anyone have a publication from CMAA titled "Specifications for Top Running and Under Running Single Girder Electric Overhead Cranes Utilizing Under Running Trolley Hoist-No. 74?" I am looking for the section that specifies the structural design and . blogger.com Recommend Documents. CMAA cRANE MANUFACTTURERSFull description Buyers guide to cranes CMAA specification CMAA 78 Spanish. CMAA 78 Spanish. Descripción completa. CMAA 78 Spanish will be operating in normal ambient temperature 0° to °F ( to 40°C) and normal atmospheric conditions (free from excessive. Download CMAA 70 Specification Free in pdf format. Sponsored Ads. Account Login. Register. Search. Search. About Us We believe everything in the internet must be free. So this tool was designed for free download documents from the internet. Legal Notice.
Cmaa specification 74 pdf free download
Released December Fax: Website: www. This Guide, which was developed by the Crane Manufacturers Association of America an independent trade association affiliated with the Material Handling Industry of America MHIAa division of the Material Handling Industry MHIprovides guidance about the proper cmaa specification 74 pdf free download of a material handling system and covers issues such as the service for which it will be used, the frequency of its use, matching its speed with manufacturing needs, budget and more.
It was developed with the sole intent of offering information to parties engaged in selecting and purchasing such a material handling system. This Guide is advisory only and should be regarded as a simple tool that the buyer may or may not choose to follow, adopt, modify, or reject. The following information does not constitute a comprehensive safety program, cannot guard the buyer from pitfalls in selecting and purchasing such a system, and should not be relied upon cmaa specification 74 pdf free download such.
Such a program should be developed, and an independent adviser should be consulted to do so. The acceptance or use of this Guide is completely voluntary.
Its existence does not in any respect preclude anyone, whether it has approved the Guide or not, from following procedures and assuming responsibilities not conforming to this Guide. CMAA, the Material Handling Industry, MHIA, and their members assume no responsibility and disclaim all liability of any kind, however arising, as a result of acceptance or use or alleged use of this Guide.
User specifically understands and agrees that CMAA, the Material Handling Industry, MHIA, and their members, their officers, agents, and employees shall not be liable under any legal theory of any kind for any action or failure to act with respect to the proper selection of a material handling system as well as matters such as the service for which it will be used, the frequency of its use, matching its speed with manufacturing needs, budget or any other activity covered by This Guide.
Any use of this information must be determined by the user to be in accordance with applicable federal, state, and local 1aws and regulations. CMAA, the Material Handling Industry, MHIA, and their members make no warranties of any kind, express, implied, or statutory, in connection with the information in this Guide and specifically disclaim all implied warranties of merchantability or of fitness for particular purpose.
By referring to or otherwise employing This Guide, the user agrees to defend, protect, indemnify, and hold CMAA, the Material Handling Industry, MHIA, their members, their officers, agents, and employees harmless from and against all claims, losses, expenses, damages, and liabilities, direct, incidental, or consequential, arising from acceptance or use or alleged use of this Guide, including loss of profits and reasonable attorneys' fees which may arise out of the acceptance or use or alleged use of this Guide.
The intent of this provision and of the user is to absolve and protect CMAA, the Material Handling Industry, MHIA, their members, their officers, agents, and employees from any and all loss relating in any way to this Guide, including those resulting from the user's own negligence.
The Crane Manufacturers Association of America, known as CMAA, is an organization of over thirty leading American manufacturers of electric overhead traveling cranes and components. CMAA has published standardized crane specifications for almost sixty years.
CMAA traces its roots to the Electric Overhead Crane Institute, known as EOCI, which was founded in by leading crane manufacturers of that time to promote standardization of cranes, uniform quality and performance. EOCI published standardized specifications in and again in CMAA Specification 74 was first published in to provide similar design information on single girder cranes.
CMAA has organized this Buyers Guide to promote standardization and to assist prospective buyers of electric overhead traveling cranes in selection of equipment most suitable for their applications. Page 1. The proper selection of a material handling system involves determining several key items, which include:. Beginning on page 7 is a set of Crane Inquiry Data Sheets. This is an excellent starting point to discuss your requirements with the crane manufacturer. Some items require your input, while a discussion with the crane manufacturer would be best for judgment-type questions where his knowledge would help you arrive at an optimal solution, cmaa specification 74 pdf free download.
Page 12 outlines Crane Service Classifications that provides guidelines for selecting the proper crane based on the load spectrum reflecting the actual service conditions as closely as possible. On page 13 is Figure 6. Slides providing insight into the many different types of overhead material handling equipment built by our member companies is available on our website under CMAA Buyers Guide.
These can be used as references as you select cranes and equipment to solve your material handling needs. CMAA recommends that the Buyer review the following set of questions with its prospective crane system supplier. Page 2. Cmaa specification 74 pdf free download the allowable stress ranges based on class of service been considered fatigue?
The deflection specified by CMAA is a good compromise between providing an economical design and a rigid structure. For applications requiring precise placement, a stiffer bridge may be desired. Load suspension parts of the hoist are designed to a min. Wire rope safety factor min.
OSHA NOTE: Rope used cmaa specification 74 pdf free download holding or lifting molten metal shall not exceed Are bearings provided consistent with the duty cycle selected? Are Brakes mechanical and thermal ratings consistent with HST requirements and class of service?
Is shafting design in accordance with CMAA requirements? Allowable wheel loads in compliance with CMAA requirements? Are bumpers sized according to the CMAA requirements? Have the bridge and trolley requirements been calculated in accordance with CMAA guidelines for the class of service? Is a fourth runway electrification ground bar included? Furnish complete information regarding special conditions such as acid fumes, cmaa specification 74 pdf free download, steam, high temperatures, high altitudes, excessive dust or moisture, very severe duty, special or precise load handling:.
Specify when double hook cranes, double trolley cranes or special cranes are required giving detailed information on hook spacing, etc. Complete attached building clearance drawing, making special note of any obstructions which may interfere with the crane, including special clearance conditions underneath the girders or cab. The crane service classification is based on the load spectrum reflecting the actual service conditions as closely as possible.
Capacity loads may be handled for initial installation of equipment and for infrequent maintenance. Loads may vary from no load to occasional full rated loads with two to five lifts per hour, cmaa specification 74 pdf free download, averaging ten feet per lift. In this type of service the crane will handle loads which average 50 percent of the rated capacity with 5 to 10 lifts per hour, averaging 15 feet, not over 50 percent of the lift at rated capacity.
In this type cmaa specification 74 pdf free download service, loads approaching 50 percent of the rated capacity will be handled constantly during the working period. High speeds are desirable for this type of service with 10 to 20 lifts per hour averaging 15 feet, not over 65 percent of the lifts at rated capacity. This information has been presented for reference purposes only.
Page Section 3. What is CMAA? CMAA traces its roots to the Electric Overhead Crane Institute, known as EOCI, which was founded in by leading crane manufacturers of that time to promote the standardization of cranes as well as uniform quality and performance. Member Companies, representing the Cmaa specification 74 pdf free download industry, serve the world market from operations based in the United States, Canada, and Mexico.
CMAA Mission Our Mission is to deliver exceptional value to our end-users, channel partners, members and industry associates while serving the overhead material handling industry. CMAA Vision As the premier, preferred brand in the materials handling industry, CMAA: Is recognized as the leading advocate for the safe application and operation of overhead traveling crane equipment and related products.
Engineering specifications are widely recognized as the preferred design standard for overhead traveling cranes, integrated crane systems, and crane components. Is recognized as the cmaa specification 74 pdf free download authority and the principal resource in the overhead traveling crane industry.
Conducts business professionally with a spirit of enthusiasm, cooperation, honesty and integrity. Positions its Members to achieve marketplace leadership and: Deliver superior value in their products and services. Provide products and services that are safe and productive. Provide high value and versatile solutions Develop knowledgeable and expert channel partners. Provide an environment in which our customers can confidently purchase and derive superior value from our products.
For information regarding membership, standards, specifications, market research initiatives, industry statistics, literature or publications. Call the Material Handling Institute Literature Department at or or go to www. This specification contains information, which should be helpful to the purchasers and users of cranes and to the engineering and architectural professions.
While much of this information must be of a general nature, the items listed may be checked with individual manufacturers and comparisons made which can lead to optimum selection of equipment, cmaa specification 74 pdf free download.
It contains information which should be helpful for purchasers and users of cranes, as well as engineers and architects. Text consists of seven sections: general specifications, crane service classification, structural design, mechanical design, electrical equipment, crane inquiry data sheet and a glossary, cmaa specification 74 pdf free download. With the introduction of Specification 78, CMAA intends to set higher performance standards and raise customer expectations related to service cmaa specification 74 pdf free download overhead traveling cranes and associated hoisting equipment.
Safety is stressed by describing the best way to operate a crane. It also explains why a crane should be operated safely. The safety suggestions are intended to supplement company safety practices and crane manufacturers instructions.
Lifting devices, sometimes called below-the-hook lifters, attach hoists to their loads. Information is presented in chart form to reveal information about market size and growth, product mix, domestic production, imports, exports, consumption, capacity utilization, economic indicators, market potential and a variety of other insights.
Source data has been gathered principally from the U. NOTE: This document will be emailed to you after you complete your order. This could take up to 24 hours please do not order if you need it immediately. Some of these paragraphs are subject to verifying interpretations. The information published represents the consensus of interpretation by members of the Crane Manufacturers Association of America, Inc.
This brochure provides a general overview of the Crane Manufacturers Association, Inc. Includes discussion of curves, switches, cmaa specification 74 pdf free download, transfer devices, trolleys, lift and drop sections and associated equipment. This standard, that was developed under the ANSI Canvass method and approved by ANSI on December 2,represents suggested design practices and performance testing criteria for crane and monorail equipment. It was developed with the sole intent of offering information to parties engaged in the manufacture, marketing, purchase, or use of crane and monorail equipment.
EMH, Inc, cmaa specification 74 pdf free download. Ace Industries, Inc. Ace World Companies Inc. Becker, Inc. TransTech-Power Transfer Sys. Magnetek, Inc. North American Industries, Cmaa specification 74 pdf free download. Sissco Material Handling Equip.
CMAA Certified Medical Administrative Assistant Review
, time: 55:05Cmaa specification 74 pdf free download
blogger.com Recommend Documents. CMAA cRANE MANUFACTTURERSFull description Buyers guide to cranes CMAA specification CMAA 78 Spanish. CMAA 78 Spanish. Descripción completa. CMAA 78 Spanish will be operating in normal ambient temperature 0° to °F ( to 40°C) and normal atmospheric conditions (free from excessive. CMAA 74 Specifications - Free download as PDF File .pdf), Text File .txt) or read online for free. CMAA 74 Specifications. دانلود استاندارد CMAA Download CMAA 74 PDF Specification for Top Running and Under Running. این کتاب استاندارد را ترویج می دهد و پایه ای برای کیفیت و عملکرد یکنواخت دارد.
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