Sky Bear Technical Standards - Home
Search
×
FR

Placeholder headline

This is just a placeholder headline

TEMA 2026 Edition – Online Subscription Only

$

BUY NOW

Placeholder headline

This is just a placeholder headline

API RP 15SIH, 2nd Edition: Installation and Handling of Spoolable Reinforced Plastic Line Pipe

$

158

BUY NOW

Placeholder headline

This is just a placeholder headline

API RP 754, 4th Edition: Process Safety Performance Indicators for the Refining and Petrochemical Industries

$

393

BUY NOW

Placeholder headline

This is just a placeholder headline

ASME B31.1-2020: Power Piping

$

668

BUY NOW

Placeholder headline

This is just a placeholder headline

ASME B31.1-2022: Power Piping

$

668

BUY NOW

ISO 4291:1985

ISO 4291:1985 Methods for the assessement of departure from roundness – Measurement of variations in radius

CDN $193.00

SKU: d7fd13ea5dd7 Category:

Description

Establishes types of contact (stylus) instruments to be used, recommendations for their use, procedures for calibration of instruments and verification of their characteristics. Applies to a profile transformation, obtained under reference conditions. Departures from roundness of the measured profile, procedure, calibration and determination of systematic errors of rotation are dealt with in annexes A to D, respectively. Annex E gives rules for plotting and reading polar graphs. The position of the least squares centre can be calculated from a simple explicit equation given in annex F.

Edition

1

Published Date

1985-09-12

Status

PUBLISHED

Pages

18

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

Establishes types of contact (stylus) instruments to be used, recommendations for their use, procedures for calibration of instruments and verification of their characteristics. Applies to a profile transformation, obtained under reference conditions. Departures from roundness of the measured profile, procedure, calibration and determination of systematic errors of rotation are dealt with in annexes A to D, respectively. Annex E gives rules for plotting and reading polar graphs. The position of the least squares centre can be calculated from a simple explicit equation given in annex F.

Previous Editions

Can’t find what you are looking for?

Please contact us at: