Surface roughness metrology deals with basic terminology of surface,surface roughness indication methods,analysis of surface traces, measurement methods,surface roughness measuring instruments such as Stylus Probe Instrument, Profilometer, Tomlinson Surface Meter ,The Taylor-Hobson Talysurf etc.This is very useful for diploma,degree engineering students of mechanical,production,automobile branch
Surface roughness metrology deals with basic terminology of surface,surface roughness indication methods,analysis of surface traces, measurement methods,surface roughness measuring instruments such as Stylus Probe Instrument, Profilometer, Tomlinson Surface Meter ,The Taylor-Hobson Talysurf etc.This is very useful for diploma,degree engineering students of mechanical,production,automobile branch
This PPT discuss the 14 geometric symbols used in GD&T classified under five controls. Only important points are mentioned. Kindly mention, if any other important points are missed out. The sources of the content (including pics) are from various sites which details GD&T. The PPT with modifiers and additional symbols (in detail) will be updated soon.
GD&T is an international way of describing a part accurately. It is used widely in all manufacturing sectors for part dimensioning. This ppt contains basic overview of GD&T. The detailed version will be uploaded soon.
Surface finish measurement (mechanical measurement and metrology)Navroz Navodia
THIS ppt is good for understanding basics of surface measurement, it is good for undergraduate students persuing their bachlors in engineering,
the content of this ppt are as under
1) Basic terminology
2)techniques for surface finish measurement
3)comparison techniques like (visual scratch touch microscopic etc inspections)
4)direct instrument like (profilograph profilometer taylor hobson etc)
5)effect of surface finish on material strength
refer to this ppt for quick revision
good for gtu students specially
N3
This PPT discuss the 14 geometric symbols used in GD&T classified under five controls. Only important points are mentioned. Kindly mention, if any other important points are missed out. The sources of the content (including pics) are from various sites which details GD&T. The PPT with modifiers and additional symbols (in detail) will be updated soon.
GD&T is an international way of describing a part accurately. It is used widely in all manufacturing sectors for part dimensioning. This ppt contains basic overview of GD&T. The detailed version will be uploaded soon.
Surface finish measurement (mechanical measurement and metrology)Navroz Navodia
THIS ppt is good for understanding basics of surface measurement, it is good for undergraduate students persuing their bachlors in engineering,
the content of this ppt are as under
1) Basic terminology
2)techniques for surface finish measurement
3)comparison techniques like (visual scratch touch microscopic etc inspections)
4)direct instrument like (profilograph profilometer taylor hobson etc)
5)effect of surface finish on material strength
refer to this ppt for quick revision
good for gtu students specially
N3
Concepts of Surface Metro logy, Introduction to Surface Texture, Terminology of Surface Texture, Analysis of Surface Traces, Peak to valley height of roughness ,The average roughness,Form factor & Bearing curve, Specification of Surface Texture Characteristics
This presentation gives the information about mechanical measurements and measurement systems of the subject: Mechanical measurement and Metrology (10ME32/42) of VTU Syllabus covering unit-5.
Surface roughness metrology refers to the measurement and quantification of the minute variations, irregularities, and finer details present on the surface of an object. Surface roughness is a crucial aspect in various industries, such as manufacturing, engineering, and quality control, as it significantly affects the functionality, performance, and appearance of products.
Surface roughness metrology involves the use of specialized tools and techniques to measure and characterize the topography of a surface. Some common methods and instruments used for surface roughness measurement include:
Contact Profilometers: These instruments use a physical stylus or probe that moves along the surface to measure its profile. The stylus records the vertical deviations in the surface, which are used to calculate roughness parameters like Ra (average roughness), Rz (average maximum peak to valley height), Rq (root mean square roughness), etc.
Non-Contact Profilometers: Optical and laser-based systems, such as confocal microscopy, interferometry, and focus variation, measure surface roughness without physically touching the surface. These methods use light, lasers, or other non-contact mechanisms to capture surface details.
Atomic Force Microscopy (AFM): AFM uses a tiny cantilever with a sharp tip to scan the surface at a nanoscale level, producing a 3D profile of the surface. It's highly accurate for measuring extremely small surface features and roughness.
White Light Interferometry: This method uses white light to measure the surface height variations by analyzing interference patterns produced by the reflected light.
Surface roughness measurements are typically expressed using various parameters, including:
Ra (Average Roughness): Arithmetic mean deviation of the roughness profile from the mean line.
Rz (Maximum Height of the Profile): The distance between the highest peak and the lowest valley within a sampling length.
Rq (Root Mean Square Roughness): The root mean square of the roughness profile deviations.
Understanding and quantifying surface roughness is crucial for several reasons:
Quality Control: Ensures that manufactured parts meet specified surface quality standards.
Functionality: Impacts how well parts interact, move, seal, or perform their intended functions.
Performance: Affects friction, wear, and corrosion resistance of components.
Appearance: Influences the visual and tactile perception of a product.
Accurate surface roughness metrology allows manufacturers to control and optimize their processes, resulting in better product performance, durability, and appearance.
This ppt contains basic points to be remembered while using GD&T. Comment if you have any suggestions. The information has been added based on the ASME GD&T Y 14.5 1994 standards
There are three basic forms of surface finish analysis types as shown above. A Primary analysis will give a result which includes the Roughness and Waviness elements of the surface. A Roughness result has been filtered with a Roughness filter to remove the Waviness elements of the surface and a Waviness result has been filtered using a Waviness filter such that only the Waviness elements remain.
As a business owner in Delaware, staying on top of your tax obligations is paramount, especially with the annual deadline for Delaware Franchise Tax looming on March 1. One such obligation is the annual Delaware Franchise Tax, which serves as a crucial requirement for maintaining your company’s legal standing within the state. While the prospect of handling tax matters may seem daunting, rest assured that the process can be straightforward with the right guidance. In this comprehensive guide, we’ll walk you through the steps of filing your Delaware Franchise Tax and provide insights to help you navigate the process effectively.
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Putting the SPARK into Virtual Training.pptxCynthia Clay
This 60-minute webinar, sponsored by Adobe, was delivered for the Training Mag Network. It explored the five elements of SPARK: Storytelling, Purpose, Action, Relationships, and Kudos. Knowing how to tell a well-structured story is key to building long-term memory. Stating a clear purpose that doesn't take away from the discovery learning process is critical. Ensuring that people move from theory to practical application is imperative. Creating strong social learning is the key to commitment and engagement. Validating and affirming participants' comments is the way to create a positive learning environment.
Enterprise Excellence is Inclusive Excellence.pdfKaiNexus
Enterprise excellence and inclusive excellence are closely linked, and real-world challenges have shown that both are essential to the success of any organization. To achieve enterprise excellence, organizations must focus on improving their operations and processes while creating an inclusive environment that engages everyone. In this interactive session, the facilitator will highlight commonly established business practices and how they limit our ability to engage everyone every day. More importantly, though, participants will likely gain increased awareness of what we can do differently to maximize enterprise excellence through deliberate inclusion.
What is Enterprise Excellence?
Enterprise Excellence is a holistic approach that's aimed at achieving world-class performance across all aspects of the organization.
What might I learn?
A way to engage all in creating Inclusive Excellence. Lessons from the US military and their parallels to the story of Harry Potter. How belt systems and CI teams can destroy inclusive practices. How leadership language invites people to the party. There are three things leaders can do to engage everyone every day: maximizing psychological safety to create environments where folks learn, contribute, and challenge the status quo.
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Dr. William Harvey is a seasoned Operations Leader with extensive experience in chemical processing, manufacturing, and operations management. At Michelman, he currently oversees multiple sites, leading teams in strategic planning and coaching/practicing continuous improvement. William is set to start his eighth year of teaching at the University of Cincinnati where he teaches marketing, finance, and management. William holds various certifications in change management, quality, leadership, operational excellence, team building, and DiSC, among others.
What is the TDS Return Filing Due Date for FY 2024-25.pdfseoforlegalpillers
It is crucial for the taxpayers to understand about the TDS Return Filing Due Date, so that they can fulfill your TDS obligations efficiently. Taxpayers can avoid penalties by sticking to the deadlines and by accurate filing of TDS. Timely filing of TDS will make sure about the availability of tax credits. You can also seek the professional guidance of experts like Legal Pillers for timely filing of the TDS Return.
The world of search engine optimization (SEO) is buzzing with discussions after Google confirmed that around 2,500 leaked internal documents related to its Search feature are indeed authentic. The revelation has sparked significant concerns within the SEO community. The leaked documents were initially reported by SEO experts Rand Fishkin and Mike King, igniting widespread analysis and discourse. For More Info:- https://news.arihantwebtech.com/search-disrupted-googles-leaked-documents-rock-the-seo-world/
Memorandum Of Association Constitution of Company.pptseri bangash
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A Memorandum of Association (MOA) is a legal document that outlines the fundamental principles and objectives upon which a company operates. It serves as the company's charter or constitution and defines the scope of its activities. Here's a detailed note on the MOA:
Contents of Memorandum of Association:
Name Clause: This clause states the name of the company, which should end with words like "Limited" or "Ltd." for a public limited company and "Private Limited" or "Pvt. Ltd." for a private limited company.
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Registered Office Clause: It specifies the location where the company's registered office is situated. This office is where all official communications and notices are sent.
Objective Clause: This clause delineates the main objectives for which the company is formed. It's important to define these objectives clearly, as the company cannot undertake activities beyond those mentioned in this clause.
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Liability Clause: It outlines the extent of liability of the company's members. In the case of companies limited by shares, the liability of members is limited to the amount unpaid on their shares. For companies limited by guarantee, members' liability is limited to the amount they undertake to contribute if the company is wound up.
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Capital Clause: This clause specifies the authorized capital of the company, i.e., the maximum amount of share capital the company is authorized to issue. It also mentions the division of this capital into shares and their respective nominal value.
Association Clause: It simply states that the subscribers wish to form a company and agree to become members of it, in accordance with the terms of the MOA.
Importance of Memorandum of Association:
Legal Requirement: The MOA is a legal requirement for the formation of a company. It must be filed with the Registrar of Companies during the incorporation process.
Constitutional Document: It serves as the company's constitutional document, defining its scope, powers, and limitations.
Protection of Members: It protects the interests of the company's members by clearly defining the objectives and limiting their liability.
External Communication: It provides clarity to external parties, such as investors, creditors, and regulatory authorities, regarding the company's objectives and powers.
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Binding Authority: The company and its members are bound by the provisions of the MOA. Any action taken beyond its scope may be considered ultra vires (beyond the powers) of the company and therefore void.
Amendment of MOA:
While the MOA lays down the company's fundamental principles, it is not entirely immutable. It can be amended, but only under specific circumstances and in compliance with legal procedures. Amendments typically require shareholder
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11. Basic symbol : only be used alone when its meaning is explained by a note INDICATION OF SURFACE TEXTURE The basic symbol consists of two legs of unequal length inclined at approximately 60’ to the line representing the considered surface The symbol must be represented by thin line If the removal of material by machining is required, a bar is added to the basic symbol, If the removal of material is not permitted , a circle is added to the basic symbol. When special surface characteristics have to be indicated, a line is added to the longer arm of any of the above symbols,
12. Roughness a obtained by any production process Roughness a obtained by removal of material by machining Roughness a shall be obtained without removal of any material Indication of Surface Roughness The value or values defining the principal criterion of roughness are added to the symbols a- surface roughness value If it is necessary to impose maximum and minimum limits of the principal criterion of surface roughness, both values shall be shown maximum limit (a 1 ) ;minimum limit (a 2 ).
13. If it is required that the required surface texture be produced by one particular production method , this method shall be indicated in plain language on an extension of the longer arm of the symbol Indication of machining allowance where it is necessary to specify the value of the machining allowance, this shall be indicated on the left of the symbols . This value shall be expressed in millimeters .
14. Generally to indicate the surface roughness, the symbol is used instead of value. The relation is given in following table.
15. Machining Symbols This symbol may also be used in a drawing, relating to a production process , to indicate that a surface is to be left in the state ,resulting from a preceding manufacturing process, whether this state was achieved by removal of material or otherwise
16. Position of the Specifications of the Surface Texture in the Symbol - The specifications Of surface texture shall be placed relative to the symbol as shown in figure.
17. Approximately radial relative to the centre of the surface to which the symbol is applied Approximately circular relative to the centre of the surface to which the symbol is applied Multidirectional Crossed in two slant direction relative to the plane of projection of the view in which the symbol is used Perpendicular to the plane of projection of the view in which the symbol is used Parallel to the plane of projection of the view in which the symbol is used Interpretation symbol
19. If it is necessary to define surface texture both before and after treatment , this shall be explained in a suitable note or in accordance with figure The direction of lay is the direction of the predominant surface pattern, ordinarily determined by the production method employed. If it is necessary to control the direction of lay, it is specified by a symbol added to the surface texture symbol
![Surface Finish ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/surfaceroughness200708-120107030436-phpapp02/85/Surface-roughness-200708-1-320.jpg)
