Maximal load lifted occasionally. Do not rely upon it for your application. Crane design based on international standards like CMAA, DIN, FEM& BS are also available on request. Hoist Duty Class Typical Areas of Application Operational Time Ratings at 65% Mean Load Factor Uniformily Distribuited Work Periods Infrequent Work Periods; Max On Time Min/Hour If no designation is indicated following the rated output, then the motor should be considered suitable for maximum continuous rating, i.e. CMAA traces its roots to the Electric Overhead Crane Institute, known as EOCI, which was founded in 1927 by leading crane manufacturers of that time to promote the standardization of cranes as well as uniform quality and performance. The number and type of cycle per hour should be (Duty class) should be considered; I t is vital to specify the correctly calculated “Cyclic Duty Factor” (CDF) for crane duty motors. S1 duty. CLASS D (HEAVY SERVICE) This service covers cranes which may be used in heavy machine shops, foundries, fabricating plants, steel warehouses, container yards, lumber mills, etc., and standard duty bucket and magnet CLASS D H2/B3 Heavy duty crane, 2 shift operation 1 or 2 shift operation Regular medium and heavy loads 3 m H4 M6 CLASS D H2/B3 or H3/B4 Med/heavy duty work shop crane Nominal load regularly lifted Traverse or other 4 m

The duty types and class of ratings designated to the motor should be indicated on the nameplate following the rated output as discussed hereunder. Crane design based on international standards like CMAA, DIN, FEM& BS are also available on request. HOISTS AND CRANES Hoist Classifications Lifting Motor Duty Ratings GENERAL USE EDOC0636 Rev.00 Page 2 of 10 06/23/11 2.0 Lifting Motor Duty Ratings 2.1 Purpose Section 2 discusses Lifting Motor Duty Ratings. DUTY: 'GRIP' cranes are designed for various class of According to Crane Manufacturers Association of America, the description service class and definitions of duty cycle of lifting cranes are as following: Class A lr3Henan Dongqi Machinery Co., Ltd Description: Standby or Infrequent Service lr3Henan Dongqi Machinery Co., … For the duty type S2, the duration of Medium Duty Class The M-Series is the medium-duty class of EPSILON cranes in L-Line product range. DUTY: 'GRIP' cranes are designed for various class of One crane is 33 ton capacity designed specifically for handling steel coils. Crane class duty are chooses based on average load intensities and number of cycles. This project included design, fabrication, transport, installation, commission, and testing of 2 Heavy Duty Steel Handling cranes CMAA Class E for a Steel process and warehousing company. Alibaba.com offers 322 crane duty class products. This motor duty class is widely used in metal cutting and drilling tool drives, mine hoist etc. The European Materials Handling Federation, known as ‘FEM’, are a standards body for the material handling industry and are publishers of the FEM Hoist Duty Classifications. Providing a diverse range of configurations to offer customized solutions, the M100L is built to maximize speed, productivity and stability. EOT Crane design and costs depends upon Duty Class of cranes. Home Crane for Projects How To Select Class of Duty of Hoist By Reva Cranes Crane for Projects Development EOT Cranes January 22, 2018 Hoists are designed for min 20 yrs operation considering that hoist will work 250 days per year for class 1, 300 days per yr for class 2 and 333 days per yr for class 3 & class 4. Aside from 'GRIP' cranes are designed as per IS:807, 3938, 3177, 4137, IPSS.

Used only occasionally. Konecranes Crane Advisor - an online tool that offers recommendations based on your specific lifting-application needs. Duty cycle and loads may vary from no load to an occasional full load with two to five lifts per hour, averaging ten feet per lift. The intermittent duty type S3, S4 or S5 should be defined correctly based on exact operational requirements of cranes. A wide variety of crane duty class options are available to you,

'GRIP' cranes are designed as per IS:807, 3938, 3177, 4137, IPSS. 1B m H2 M3 Class B H1/B2 Light duty work shop crane, single shift operation, low average loads.

Examples of class C cranes are the cranes usually used in paper mill machine rooms and machine shops etc. 2. Class Of Duty; Crane Clearance & Hook Approach; Crane Duty Electric Motor; D.C Brake & Motor; Dual Brakes For Hoist / Crab; Dusty Area; Factor Of Safety; Hazardous Area; IS Code - ISI Mark; Motor RPM; Wheel Load; Soft Starting; Testing. Load Testing; Quality Control Tests; Raw Material Testing