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how do you measure profile of a surface

by Ms. Jewel Ryan Published 3 years ago Updated 2 years ago

Placing the compressed tape between the anvils of a micrometric thickness gage and subtracting the contribution of the incompressible substrate, 2 mils, gives a measure of the surface profile.Sep 20, 2021

How to measure surface profile using Testex tape?

Testex Tape for Measuring Surface Profile

  • Fast and simple method of measuring profile of blasted surfaces
  • Used in accordance with ISO8503-5, AS3894-5 and AS1627-4 Standards
  • The Testex Tape produces accurate replica of the surface profile
  • Used in conjunction with a precision dial thickness gage to determine maximum surface profile

More items...

How to make a surface plot?

  • 3-D Surface: The default surface chart type where data is displayed from a 3-D perspective. ...
  • Wireframe 3-D Surface: This type uses lines instead of filled areas to connect data points.
  • Contour: This is the 2-D version of surface charts. ...
  • Wireframe Contour: The version of the Contour type that uses lines instead.

How to inspect surface profile?

To create a GD&T Surface Profile item:

  • Open a Geometric group in the inspection sequence ...
  • Click Geometry tab > GD&T panel > Profile > Surface Profile. ...
  • Enter a Name for the measurement.
  • Click Next to accept the default Angular tolerance. ...
  • When you have specified details of the workplane and datums, click Next. ...

More items...

How do I remove a surface from a profile?

go to desktop. (If you happen to have a mouse attached to your surface use it - it will be easier to hit the menu items.) click on "local user and groups" - left panel (the "wording" could be a bit different here, because I am on a German language Surface.) Hope this helps. Yes, that works but there is something else that needs to be tweaked.

What is profile of a surface?

0:091:27GD&T Profile of a Surface (Basics) - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe'll first look at profile of a surface. As it is the most common of the two and likely what you'llMoreWe'll first look at profile of a surface. As it is the most common of the two and likely what you'll use profile of a surface defines a tolerance zone between two equidistant reflections of the

What is a profile measurement?

Profile measurement systems measure and record the profile of a target by tracing the surface of the target using a stylus. Some instruments can even be used as surface roughness meters.

How do you read a profile gauge on a surface?

2:156:21How to Measure Surface Profile using the Elcometer 224 ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipFor measuring surface profile is the new Elcom it's a 2 to 4 digital surface profile gauge. They'llMoreFor measuring surface profile is the new Elcom it's a 2 to 4 digital surface profile gauge. They'll constitute e4 is a needle depth gauge which is very easy to use simply zero the gauge on glass.

What is the symbol of profile of a surface?

The profile of a surface symbol is a half-circle with the curved edge facing up and the flat edge on the bottom. On the feature control frame, the box to the right of the Profile of a Surface symbol contains the tolerance for the surface.

How do you measure a concrete surface profile?

Direct Measurement of Concrete Surface Profile A depth micrometer fitted with a remote pointed probe machined at a 60° included angle with a nominal radius of 500 µm (20 mils) at the tip is required. The base of the probe should have a surface area diameter between 20 and 25 mm (0.8 to 1.0 inches).

What is the difference between flatness and profile?

1:187:03GD&T: Profile vs Flatness - YouTubeYouTubeStart of suggested clipEnd of suggested clipMust lie so there's no relation to individual features the definition for profile is that there's aMoreMust lie so there's no relation to individual features the definition for profile is that there's a tolerance zone that extends perpendicular to the basic surface or just the surface of the part.

How surface roughness is measured?

With a contact-type roughness meter, surface roughness is measured by tracing the probe across the surface of the target. In contrast, a laser-based non-contact roughness meter emits a laser beam onto the target and detects the reflected light to measure the roughness.

How do I test my blast profile?

By rubbing the tape into the surface, the foam is pushed into the profile, creating an inverse or mirror image of the profile. The tape is then removed and measured using a thickness gauge, such as the Elcometer 124 gauge. The replica tape method provides a maximum peak to valley height measurement of the profile.

What is surface gauge?

Definition of surface gauge 1 : a scriber mounted in an adjustable stand for marking off castings or testing the accuracy of plane surfaces and used with a surface plate. 2 : a gauge for measuring ordinates of points on a surface of the work from a reference plane.

Does profile of a surface require basic dimensions?

Profile can control, form, location, orientation, and size or any subset of these. Profile can be used with or without datum references and with or without basic dimensions.

What is profile in engineering drawing?

In civil engineering, a profile consists of a plotted line which indicates grades and distances (and typically depths of cut and/or elevations of fill) for excavation and grading work. Constructors of roadways, railways (and similar works) normally chart the profile along the centerline.

What is a profile drawing?

Profile drawing means a scaled graph or plot that represents the side view of an object. Objects may include a surface water body or a portion of it, a man-made channel, an above-ground structure, a below-ground structure, a geographical feature, or the ground surface itself.

What is a depth micrometer?

A depth micrometer instrument has a flat base which rests on the surface and a spring-loaded probe which drops into the valleys of the surface profile. The flat base rests on the highest peaks and each measurement is therefore the distance between the highest local peaks and the particular valley into which the tip has projected.

How is steel surface cleaned?

Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. This process removes previous coatings and roughens the surface to improve coating adhesion. The resultant surface profile, or anchor pattern, is comprised of a complex pattern of peaks and valleys which must be accurately assessed to ensure compliance with job or contract specifications.

ABSTRACT

When protective coatings are to be applied to structures, it is important that the surface is clean and dry if premature failure of the coating is to be prevented and the full coating service life achieved.

INTRODUCTION

Blast cleaning of steel substrates to remove mill scale, rust, contaminants such as oil and grease and soluble salts is a commonplace process for steel fabrications of all types. Several different methods are available including dry abrasive blasting, wet abrasive blasting, hand and power tool cleaning, etc.

SURFACE PROFILE MEASUREMENT METHODS

D4417 lists three methods for the field measurement of surface profile, Method A—The blasted surface is visually compared to standards prepared with various surface profile depths and the range determined, Method B—The depth of profile is measured using a fine pointed probe at a number of locations and the arithmetic mean determined, Method C—A composite plastic tape is impressed into the blast cleaned surface forming a reverse image of the profile and the maximum peak to valley distance measured with a micrometer..

VERIFICATION

Field verification of the Surface Comparators is limited to the inspection of the condition of the comparator. ISO 8503 – 2 describes the calibration of the surface comparator defined in ISO 8503 – 1 using one of two methods.

BLAST CLEANED SURFACES

The surface of an abrasive blast cleaned surface is a complex three-dimensional structure and there are many ways of determining the roughness or texture of a surface.

PILOT STUDIES

Two pilot studies are in hand in respect of the two ASTM documents, D4417 and D7127. The first study relates to the description of the tip in D4417.

CONCLUSIONS

It is important for the control of the abrasive blasting cleaning process that the surface profile peak-to-valley height is measured so that an adequate profile is achieved for good coating adhesion but that the profile is not too deep so as to increase the volume of paint required to obtain the thickness over the peaks.

When measuring the profile tolerance of a plane, you are checking whether a designed part’s curved surface is

When measuring the profile tolerance of a plane, you are checking whether a designed part’s curved surface is made to the specified design.#N#Unlike the profile tolerance of a line, the measurement of the profile tolerance of a plane involves the entire specified curvature.

Can a stylus enter a measurement point?

The stylus also cannot enter measurement points located in a difficult-to-reach position. Deformation can occur to the measurement surface by the load (measuring pressure) of the stylus, which can cause an error in the measurement result.

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