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1456730631-HYDRULICFLOORCRANEFINALREPORT.docx (Size: 17.03 KB / Downloads: 3)
Manufacturing process is a collection of technologies and methods used to define how products are to be manufactured.
Manufacturing of crane involves various process such as:
FABRICATION
Manufacturing process in which an item is made (fabricated) from raw or semi-finished materials instead of being assembled from ready-made components or parts. it involves cutting ,bending and assembly process.
Fabrication involves following process:
1. Cutting Process
Our manufacturing process involves cutting via OXY-FUEL cutting method since it is used for materials having low alloy steel. Oxy-fuel cutting is a cost-effective method of plate edge preparation for bevel and groove welding. It can be used to easily cut rusty and scaled plates and only requires moderate skill to produce successful results. Common oxy-fuel cutting applications are limited to carbon and low alloy steel. These materials can be cut economically, and the setup is quick.
2. Forming
Forming process make use of suitable stresses like compression, tension, shear or combined stresses to cause plastic deformation of the materials to produce required shapes. In forming, no material is removed i.e. they are deformed and displaced.
Sheet Metal forming involves deformation of sheet metal to achieve the desired shape. Forging Extrusion Rolling Sheet metal working Rotary swaging Thread rolling Explosive forming Electromagnetic forming are the some of the methods used for forming
3. Maching Process
Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process. The many processes that have this common theme, controlled material removal, are today collectively known as subtractive manufacturing, in distinction from processes of controlled material addition, which are known as additive manufacturing. Turning, milling, boring, drilling are the types of the machining process.
4. Tack Welding
Tack welding, a necessary preliminary step in many welding projects, must be performed correctly to achieve optimal results from the final weld and to minimize part defects. Quality is as important in tack welding as it is in the final weld. This article describes proper tack welding conditions been positioned as required, generally by clamping them on suitable fixtures, tack welds are used as a temporary means to hold the components in the proper location, alignment, and distance apart, until final welding can be completed.
An advantage of this provisional assembly procedure is that if the alignment for final welding is found to be incorrect, the parts can be disassembled easily, realigned, and tack welded again.
5. Final Welding
Welding is a material joining process in which two or more parts are coalesced (joined together) at their contacting surfaces by a suitable application of heat and/or pressure. Sometimes parts are united together by application of pressure only without external heat.
In the process of manufacturing we use the process of Electric Metal Arc Welding. Arc welding is a type of welding that uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. They can use either direct (DC) or alternating (AC) current, and consumable or non-consumable electrodes. The welding region is usually
6. Assembly
Final Assembly Schedule, often abbreviated as FAS and sometimes referred to as finishing schedule, is a schedule of end items to finish the product for specific customer orders in a make to order (MTO) or assemble-to-order (ATO) environment
7.Surface Finishing
Surface finishing is a broad range of industrial processes that alter the surface of a manufactured item to achieve a certain property.] Finishing processes may be employed to: improve appearance, adhesion or wettability, solder ability, corrosion resistance, tarnish resistance, chemical resistance, wear resistance, hardness, modify electrical conductivity, remove burrs and other surface flaws, and control the surface friction. In limited cases some of these techniques can be used to restore original dimensions to salvage or repair an item Grinding is one such finishing process used to improve surface finish, abrade hard materials, and tighten the tolerance on flat and cylindrical surfaces by removing a small amount of material.
8 Testing:
The manufactured crane is tested for various load and if any failure occurs then the corrective actions are taken out .
9 Painting:
Spray painting is a painting technique where a device sprays a coating through the air onto a surface. The most common types employ compressed gas usually air, to atomize and direct the paint particles. Air gun spraying uses equipment that is generally larger. It is typically used for covering large surfaces with an even coating of liquid. Spray guns can be either automated or hand-held and have interchangeable heads to allow for different spray patterns. We have used hand held type of spray painting.
Acknowledgement
We take this opportunity to thank all the people contributed to this research.
First and foremost we would like to express our heartfelt gratitude Mr. M.V.VATUKIYA, Head of department, mechanical engineering. who helped us in successful completion of the project. We would like to thank our staff member for their invaluable support and positive criticism have helped us to improve in more than one way. His valuable suggestions and references were critical for our research.
Abstract
This is the paper summarizing and reviewing research in Optimization in Design Of Rotating Hydraulic Workshop Crane Included 1) Brief Introduction to Hydraulics 2)Application & Advantages of Hydraulic Floor Crane 3) Concept generation Detailed Design & Force distribution analysis 4) computer-based models of design processes using CATIA & ANSYS & Manufacturing Process5)A final section is Conclusion by using SWOT Analysis
Index Terms— About four key words or phrases in alphabetical order, separated by commas.
INTRODUCTION
The main aim of the project is the design, analysis and production of a hydraulic floor crane having arm motion in the vertical as well as horizontal plane with 180 degree rotation.
These hydraulic floor cranes provide an efficient, low cost alternative to other material handling equipments. Strong, robust, sturdy and built to very standard, these cranes are mane uverable in loading, unloading and shifting of heavy loads. Crane structure consists of chassis, vertical column, horizontal arm, and the hydraulic pump with cylinder assembly. The box crane can take heavy loads effectively, avoids damage under rough and unskilled handling.
The hydraulic cranes used in the industry are efficient but they only have the ability to lift the load and put it down at some other position. In this general design, the arm of the crane moves in the vertical plane only, i.e it has constrained motion. The aim of our project is to re-design the hydraulic crane and give its arm the rotational ability. The gearbox provides rotational motion to the column, thus gears are to be designed.