criteria for selection of equipments
Crane structure, buffers, rails, open gear transmission, pulley blocks, etc., may be replaced and various sub-mechanisms may be aligned and adjusted. Preventive maintenance also includes lubrication, adjustment, or repair while the equipment is still in a minor stage of defect. To perform this, engineers must be able to specify the best equipment for a design as well as be subject matter experts on constructibility, operations, maintenance, human behavior, economics, and manufacturing. CRANES are employed for lifting and lowering bulky items and packages or cases. The selection and application of a cable system should be based on correct selection of the type of cable arrangement required for the purpose. Point-of-care testing can help optimize treatmen… Therefore, there is no better arbitrator than the engineer to educate, evaluate, and recommend the selection of equipment that considers all aspects rather than only first cost. Definitely, he would have spent much more time and efforts in removing all the crockery by one cup or one plate at a time. 2. Review of criteria for the selection of construction equipment equipment selection,purchase specification,maintenance 1. under guidence of kv santosh kumar department of pharmaceutical analysis(pa&qa) equipment selection,purchase specification,maintenance 1 vignan pharmacy college, vadlamudi. A jib crane is preferred where lifting of the jobs is required in a few locations only or where bridge crane cannot be erected; for example, outside near the wall of the building. It provides practical understanding and description of the working principles, intended applications, selection criteria and fundamental design principles for equipment used throughout the process and allied chemical industries. Packages of hosiery goods, steel sheets, etc., can be transferred using gravity conveyors. In addition, versatility of the equipment whether it can perform more than one function, the adaptability for future use and the interaction with other equipment also affect the selection of CE. Diagnostic testing has become indispensable for diagnosing and monitoring disease, for providing prognoses and for predicting treatment responses.1,2 Today, over 40 000 products are available globally for the in vitro diagnostic testing of a wide range of conditions.3 These include traditional laboratory-based tests, with samples being sent to a central laboratory for analysis, and point-of-care tests, which can be performed near, or at, the point of patient care. It requires financial sensitivity and analysis. Materials and Process Selection for Engineering Design: Mahmoud Farag 13. A little periodic inspection and minor adjustments may be enough to prevent equipment breakdown. Principle of Unit Load and Concept of Containerization and Palletization: It is easier and faster to move hundred small parts say castings or cardboard sheets by grouping them in one unit than moving them individually one by One. Before uploading and sharing your knowledge on this site, please read the following pages: 1. An overhead bridge crane finds applications in most of the industries, making engines, compressors, pressure vessels, foundries, steel mills, etc. Industrial Engineering, Industries, Material Handling, Material Handling Equipment, Production. So would noise criterion levels or minimal interruption of the benefitted space trump costs? evaluation criteria for the selection of material handling equipment. It is the responsibility of the EHK to procure the ideal, most efficient equipment for her staff to ensure maximum productivity. The Handbook of Chemical Process Equipment is a major reference on process equipment. In selection, engineers must find the least expensive equipment that will be cool and quiet enough; but once satisfied, every additional dollar for extra cooling or added quiet is a luxury. An engineer working on equipment selection can methodically develop that criterion and evaluate it to provide optimum choices. Tractors, three wheeled or four wheeled (CH: 1, 2, 4, 6, 9, 12, 15, 16) employ I.C. Linear algebra offers advanced means to reconcile huge interrelated equations, but equipment selection is best served by a simpler routine. A gantry crane acts as an auxiliary to bridge crane. This could be described as cool, quiet, unobtrusive, inexpensive, efficient, and low-maintenance; or three wants summarized in six needs. The mechanism of transporting the materials in a drag conveyor can be a screw (as in automatic feed in poultry farms), a pusher bar, a scraper (for moving granular or powder materials) or an overhead endless chain along a fixed path. must be blended into the overall plan, with the ultimate objective of maximizing the productivity of each machine and minimizing handling. MONORAIL is an I-section beam attached to the ceiling and having either a trolley or carrier moving along it. The typical pattern involves building owners and/or end users simply expressing their "wants," from robust to redundant to inexpensive. The main purpose of using a material handling system is to ensure that the material in the right amount is Selection of Material Handling Equipment 2. Copyright 10. The conveyor system is completely dismantled. After that, degrees of obtrusive can be weighed at the expense of the other needs and a final selection can be made. Gravity type conveyors should be preferred as compared to line conveyors wherever practical. Select the least expensive material for the beam from Table 9.2. Additionally, engineers’ needs sometimes vary from the owners’, which can create another complicating factor. In other words, there is an art and science to defining and evaluating key aspects in order to choose the proper equipment. Once identified from the project needs, key aspects an engineer should evaluate in equipment selection can be summarized in the simple math of weighted scoring, then mapped to money in LCCA, and reinforced for posterity in logic statements. Gear box is properly lubricated, various fasteners are tightened and safety guards are checked. Haidar et al. Instead, they should be distilled into needs and evaluated as key aspects in equipment selection. Conversely, equipment selection for a mechanical engineer is as much an art of application as a science of technology. Equipment Selection for Surface Mining: A Review Christina Burt Department of Mathematics and Statistics, University of Melbourne, Melbourne, ... (1997)) or some optimization criteria, this may also lead to mixed-type (i.e., heterogeneous) eets. One challenge is identifying aspects for consideration. Reviewing the big list frequently while limiting the number of parties involved provides good perspective on overall priorities, and many synergetic criteria are actually met by coincidence. It is supported from the ceiling and has a fixed path to travel. Items like refrigerators, air-conditioners or televisions can be sent to distant places using the principle of containerization. SESSION OBJECTIVES After the end of the session one should be able to understand the what is operating equipment, its requirements & criteria for selection. The limited aspects chosen for evaluation in equipment selection can be applied to different design options, or simply different brand names of equipment. Content Guidelines 2. They find applications in heavy engineering and generally in intermittent type of production. Classification. They provide overhead movements. Prohibited Content 3. Mechanical engineering is a science relatively unchanged over the past 50 years. Simple weighted scoring can potentially identify ideal equipment, and a LCCA can validate or re-evaluate that potential. Roller conveyors can move the material along straight or curved paths. Proper due diligence is required before making any major equipment purchasing decisions. Whether you are in the market to replace outdated lab equipment or are looking to purchase the latest and greatest in new technology, it’s important to choose the right equipment for the right working environment, which encompasses the organization, the clinical diagnosticians and […] Gravity or air flow moves the material ahead. Preliminary Selection Considerations. Fork lift trucks are used for short distances (40 to 70 metres) travel and find indoor applications normally. The aim is to uncover conditions leading to breakdown or harmful depreciation. Afterwards, the containers can be loaded on railway trailers and can be taken to places from where, with the help of cranes, they can be shipped. The following factors or principles should be considered while selecting the office machine and equipment. Their research work identiﬁed performance measure, technical, economic and strategic aspects as the evaluation criteria. It saves valuable floor space. Both the right and left brain will be activated to achieve both the art and science of evaluating abstract conditions and technical applications. A large amount of technology in the current industry wasn’t around 10years ago. By Seth Pearce, PE, Southland Energy, Garden Grove, Calif. Commissioning and the technology evolution, How ASHRAE Standard 90.1 contributes to integrated design, Rapid COVID-19 detection for hospitals, retirement homes designed, Weekly merger and acquisition update: December 4, 2020, Top 5 Consulting-Specifying Engineer articles: November 27 to December 3, 2020, Best practices in science, technology office design, Multi-family housing design trends driven by COVID-19, Consulting-Specifying Engineer most-viewed articles, November 2020. 2.3 Insulation and finish covering The selection of materials handling equipment requires the attaining of proper balance between the production problem, the capabilities of the equipment available, and the human element involved. The system is much safer and involves a lot of saving. The type of explosion protection of the equipment is to be suitable for the zone of use. Classification. ADVERTISEMENTS: After reading this article you will learn about:- 1. The economics of equipment selection and replacement issues are dealt with in detail in later parts. TYPES OF CONSTRUCTION EQUIPMENTS AND THEIR SELECTION CRITERIA:- For the selection criteria of construction equipment there are many types of equipment which are completely describe below. Select realistic escalation rates for energy, labor, or equipment. The material can be loaded in the trays automatically. 25.3) the forks are attached to a column on the truck. SELECTION CRITERIA 1. Preventive maintenance is by far one of the best maintenance techniques suggested for material handling equipment. Conveyors are more suitable for mass production on fixed routes and powered trucks for batch production; because conveyors though costly, can handle more volume of production per unit time as compared to trucks, whereas a truck is more flexible equipment. The buckets may be mounted on a chain or belt. Further, the selection of equipment may be governed by the availability or non-availability of trained manpower. Also ask for business references and for locations where the same is in use. Mill layout and equipment selection go hand in hand, in that the needs of the equipment with respect to the processes, flow direction, ease of operation and maintenance, etc. A fixed conveyor is used on the mass production shop floor whereas portable conveyors are preferred for intermittent jobs like unloading of a freight car, etc. Selection of equipment also depends on engineering factors like door and ceiling dimensions, floor space, floor conditions and structural strength. Components, worn out and beyond repair like belts, bearings, packings, oil seals, rollers, drums, fasteners, and couplings are replaced. Content Filtration 6. In this role, he helps to develop and implement solutions to conserve energy, waste, and water; integrate generation; and incorporate renewable energy.
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