The ANSI B92.1 standard is the primary American national guideline for involute splines, used extensively in industrial, agricultural, and automotive sectors to transmit torque between shafts and hubs. The specific reference to "ANSI B92.1 PDF 38" typically refers to Table 38 within the document, which provides critical dimensional data for specific spline configurations. Understanding ANSI B92.1
The ANSI B92.1 Standard defines the geometry, dimensions, and inspection methods for straight (non-helical) involute splines. Unlike the metric ANSI B92.2M, B92.1 is an inch-series standard based on stub diametral pitch designs.
Involute Profile: Splines have a curved tooth profile similar to gear teeth, which allows for self-centering and high load capacity.
Pressure Angles: The standard covers three primary pressure angles: 30° (most common), 37.5°, and 45°.
Tolerance Classes: It identifies four main classes (4, 5, 6, and 7), with Class 5 being the standard for general industrial use. The Significance of Table 38
In the standard's documentation, tables 5 through 38 are dedicated to 30° pressure angle splines. Table 38 specifically provides data for:
Fillet Root Side Fit: A design where the teeth are joined to the shaft with a rounded fillet to reduce stress concentrations.
High-Pitch Applications: While lower-numbered tables handle coarse pitches (like 2.5/5), Table 38 typically represents specific finer pitch data or high-tooth-count configurations in the 30° series. Technical Data and Specifications
The ANSI B92.1 data found in these tables typically includes the following parameters for both internal and external splines: ANSI B92.1-1996 - INVOLUTE SPLINES AND INSPECTION
Assuming you mean ANSI B92.1 (hydraulic fluid power — directional control valves or similar standard) and you want a concise guide to find and use clause/page 38 in the PDF: I’ll provide a general step-by-step guide for locating, reading, and applying a specific page/section of an ANSI standard PDF.
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A very specific topic!
ANSI B92.1 is a standard for "Keys and Keyseats" in the United States. Here's a brief overview:
ANSI B92.1 Standard
The ANSI B92.1 standard, also known as "Keys and Keyseats," provides specifications for keys and keyseats used in various mechanical applications, including machinery, equipment, and vehicles. The standard covers the design, dimensions, and tolerances for keys and keyseats, ensuring interchangeability and proper fit.
Key Types and Applications
The standard covers various types of keys, including:
These keys are commonly used in applications such as:
Keyseat Types and Dimensions
The standard also specifies the dimensions and tolerances for keyseats, which are the grooves or recesses in a shaft or hub that accept a key. The standard covers various keyseat types, including:
Importance of ANSI B92.1
The ANSI B92.1 standard ensures that keys and keyseats are designed and manufactured to precise specifications, allowing for:
By following the ANSI B92.1 standard, manufacturers can ensure that their products meet industry requirements and perform as intended.
Would you like to know more about a specific aspect of the ANSI B92.1 standard or its applications?
The Role of ANSI B92.1-1996 in Involute Spline Design and Inspection
The ANSI B92.1-1996 standard, titled "Involute Splines and Inspection," serves as the cornerstone for the design, manufacture, and inspection of involute splines in inch-based engineering. It covers straight, non-helical cylindrical splines, ensuring that components made by different manufacturers can accurately assemble and perform under stress. This standard is critical for machinery where robust power transmission is required, providing standardized tooth side fits and fillet root dimensions that allow for interchangeability.
Standardization and Fit TypesANSI B92.1-1996 provides specifications for various spline types, including flat root side fit, flat root major diameter fit, and fillet root side fit. These distinctions allow engineers to choose the appropriate spline design based on strength, load capacity, and manufacturing capabilities. A key strength of the standard is its provision for interchangeable assembly between mating splines, regardless of the individual tolerance class of the internal or external member.
Tolerance and InterchangeabilityThe standard establishes specific tolerance classes—typically 4, 5, 6, or 7—that permit a "mix" of mating members. For example, a Class 5 internal member can be combined with a Class 7 external member to provide an overall assembly tolerance in the Class 6 range. This flexibility reduces manufacturing costs, as one member can be produced with looser tolerances if the other is held to stricter specifications, while still satisfying the overall design requirements.
Effective Fit ConceptA central feature of the ANSI B92.1-1996 standard is the "effective fit" concept, which accounts for the combined effects of profile errors, tooth spacing variations, and eccentricity. This approach ensures that the "effective" tooth thickness (or space width) takes precedence over the actual measured dimensions during assembly. The standard sets the minimum effective space width and maximum effective tooth thickness to be of equal value for side fits, providing a reliable baseline for mating parts.
ConclusionThe ANSI B92.1-1996 standard is an essential technical resource for mechanical designers and manufacturers. By providing clear guidelines on tooth geometry, tolerance classes, and inspection methods, it enables the reliable production of high-strength, self-centering involute splines. Its emphasis on effective fit and interchangeability makes it a fundamental tool in ensuring the quality and functionality of splined connections in heavy-duty machinery. References
ANSI B92.1-1996 Involute Splines and Inspection - Scribd (Provides detailed information about the 1996 standard, including fit classifications, tooth dimensions, and inspection methods).
ANSI B92.2M Metric Involute Splines Standard - Scribd (Offers insights into how the 1996 standard retains features from earlier versions). 2M) standard?
Explain the difference between flat root and fillet root splines?
Provide the specific formula for calculating tooth thickness from the standard? standard - ansi b92.1-1996
The standard ANSI B92.1 (specifically the 1996 and 1970 versions) covers the design and inspection of inch-based involute splines
. While "PDF 38" likely refers to a specific page or technical sheet within a larger engineering manual, the core guidance for this standard focuses on three critical areas: fit classes, tolerances, and dimensioning. 1. Understanding Spline Fits and Classes
ANSI B92.1 establishes standardized geometry to ensure parts from different manufacturers are interchangeable. Types of Fits
: The most common type where the mating parts touch on the sides of the teeth. Major Diameter Fit
: The parts mate on the major diameter (the "tips" of the teeth), which is used when precise concentricity is required. Tolerance Classes The standard defines four classes of tolerance: 4, 5, 6, and 7
is the most frequent choice for general industrial applications.
You can "mix" classes (e.g., a Class 5 internal spline with a Class 7 external spline) to balance manufacturing ease with functional performance. master2000.ru 2. Key Dimensional Data
When preparing a design or inspection guide, the following parameters are the most critical. You can find detailed calculators and tables on platforms like
: Expressed as a fraction (e.g., 8/16), where the first number is the diametral pitch and the second is the stub pitch. Pressure Angle ( : Standard angles are 30 raised to the composed with power 37.5 raised to the composed with power 45 raised to the composed with power Space Width and Tooth Thickness ansi b 92.1 pdf 38
: The "theoretical" size including errors in spacing or profile. : The physical measurement of a single tooth or space. 3. Inspection Parameters
To verify if a spline meets ANSI B92.1, specific measurement methods are required: Measurement Over/Between Pins
: This is the standard method for checking tooth thickness or space width. Form Diameter
: The diameter where the involute profile must begin to ensure no interference with the mating part's fillet. Allowable Variations : The standard sets limits on lead variation (alignment along the axis) and profile variation (shape of the tooth). Resources for Full PDF Access
The search for "review: ansi b 92.1 pdf 38" likely refers to ANSI B92.1-1996 (or earlier versions) , which is the American National Standard for Involute Splines and Inspection
. While "38" might refer to a specific page number or a specific pitch size within the document, the standard itself defines the design, dimensions, and inspection of involute splines used in mechanical power transmission. Key Aspects of ANSI B92.1
: It provides data and guidance for the design and manufacture of straight, non-helical, cylindrical involute splines. Interchangeability
: The standard ensures that mating internal and external splines can be interchanged regardless of their tolerance class by maintaining consistent minimum effective space width and maximum effective tooth thickness. : The most common type where the teeth touch on the sides. Major Diameter Fit : Used for centering when higher precision is needed. Core Concepts : The standard is based on the concept of effective specification
for spline fit control, which accounts for both machining variations and the "effective" space or thickness of the teeth. master2000.ru Specific References to "38" Pitch Sizes
: The standard covers various pitch ranges, including standard data for pitches such as
, but "38" is not a standard pitch designation (these are typically even numbers like 8/16, 16/32, etc.). Document Page 38
: In many PDF versions of the full standard (which can be over 100 pages), typically contains detailed Table Values
for specific diametral pitches, listing dimensions for major diameters, minor diameters, and tooth thicknesses. Pressure Angle
: Standard pressure angles are 30°, 37.5°, or 45°. The number "38" might be a typo for , which is a common pressure angle defined in the standard. master2000.ru Where to Access or Review
You can find excerpts or purchase the full standard through these platforms: Standard Previews : View a dedicated version or summary on The Swiss Bay Design Tools : Engineering sites like Engineers Edge provide calculators and equations based on this standard. Official Purchase : Buy the latest version from the SAE International American National Standards Institute - ANSI (like Pitch 32/64) or a calculation formula from that page? standard - ansi b92.1-1996
Report: ANSI B92.1 PDF 38
Introduction
The American National Standards Institute (ANSI) publishes various standards for different industries, including the B92.1 standard. This report provides an overview of the ANSI B92.1 standard, specifically focusing on the PDF 38 aspect.
What is ANSI B92.1?
ANSI B92.1 is a standard for " Ball and Socket Gauges" used in various industries, including manufacturing, quality control, and inspection. The standard defines the specifications, test methods, and acceptance criteria for ball and socket gauges.
What is PDF 38?
PDF 38 refers to a specific document related to the ANSI B92.1 standard. Unfortunately, without access to the actual document, it is difficult to provide a detailed description of PDF 38. However, based on industry practices, it is likely that PDF 38 is a:
Possible Contents of PDF 38
Based on the ANSI B92.1 standard, PDF 38 might contain:
Conclusion
The ANSI B92.1 standard, specifically PDF 38, provides critical information for the design, manufacture, inspection, and use of ball and socket gauges. While the exact contents of PDF 38 are unclear, it is likely to contain technical specifications, inspection reports, or other relevant data related to ball and socket gauges. This report highlights the importance of consulting the official ANSI B92.1 standard and relevant industry documents for detailed information.
Recommendations
To obtain more information about ANSI B92.1 and PDF 38, it is recommended to:
It seems you are looking for information from ANSI B92.1 (likely the standard for Involute Splines and Inspection), specifically page 38 of that PDF.
Here’s what you can typically find on or near page 38 of the ANSI B92.1-1970 (R1993) or ANSI B92.2M standards:
Important Notes:
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This standard provides the dimensions, tolerances, and inspection requirements for straight (non-helical) involute spline teeth. It is widely used in automotive and industrial applications to ensure that internal and external splined components—like a gear on a power takeoff shaft—fit together with the correct amount of "backlash" or clearance.
Pressure Angles: The standard covers three primary pressure angles: 30∘30 raised to the composed with power , 37.5∘37.5 raised to the composed with power , and 45∘45 raised to the composed with power .
Fit Types: It defines two main fit types—Side Fit (torque transmitted via the flanks) and Major Diameter Fit (centering on the outer diameter).
Effective vs. Actual Dimensions: A key concept in B92.1 is the distinction between "effective" and "actual" tooth thickness, which accounts for manufacturing variations such as lead and profile errors. Significance of "Figure 38" or "Page 38"
In many technical engineering resources and textbooks that reference ANSI B92.1-1970, Figure 38 (or variations thereof) is a common reference for spline proportions and dimensions.
Proportions: Involute splines under this standard typically have teeth that are half the depth of standard gear teeth.
Designation: Splines are designated by a fraction where the numerator is the diametral pitch ( ) and the denominator is the stub pitch ( Pscap P sub s ), which is always twice the numerator (e.g., pitch). Accessing the PDF
The full document is a copyrighted standard published by SAE International or the American National Standards Institute (ANSI). While technical summaries and formula tables are available on engineering resource sites like Engineers Edge or Scribd, the official complete standard must be purchased for industrial use to ensure compliance with the latest safety and manufacturing revisions. ANSI B92.1-1996 - INVOLUTE SPLINES AND INSPECTION
ANSI B92.1 PDF 38: Understanding the Standard for Ball Bearings
The American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) have established a series of standards for ball bearings, including ANSI B92.1. This standard specifically focuses on the dimensional and tolerance specifications for ball bearings. Here, we'll delve into the details of ANSI B92.1 and its significance in the industry.
What is ANSI B92.1?
ANSI B92.1 is a standard that provides specifications for the dimensions, tolerances, and interchangeability of ball bearings. The standard covers various types of ball bearings, including:
Key Aspects of ANSI B92.1
The ANSI B92.1 standard covers several key aspects of ball bearings, including:
Benefits of ANSI B92.1 Compliance
Compliance with ANSI B92.1 offers several benefits to manufacturers, suppliers, and users of ball bearings:
Industry Applications
ANSI B92.1-compliant ball bearings are used in a wide range of industries, including:
Accessing ANSI B92.1 PDF 38
To access the ANSI B92.1 standard, you can:
In conclusion, ANSI B92.1 is an essential standard for the ball bearing industry, ensuring dimensional and tolerance consistency, interchangeability, and improved performance. Familiarize yourself with the standard to ensure compliance and optimize your ball bearing applications.
The keyword ANSI B92.1 PDF 38 typically refers to technical documentation for the American National Standard for Involute Splines and Inspection. This standard is the cornerstone for designing and manufacturing power-transmission components in industrial, agricultural, and automotive applications.
The specific mention of "38" often refers to a particular section, page, or table—such as the data for 30-degree pressure angle splines or specific tooth geometry tables—within the broader ANSI B92.1 document. Overview of ANSI B92.1
The ANSI B92.1 standard (most commonly referenced in its 1970 or 1996 revisions) provides comprehensive guidance for straight (non-helical) involute spline teeth. It defines:
Dimensions: Basic geometry including pitch, pressure angle, and number of teeth.
Tolerances: Specific classes (Classes 4 through 7) that allow manufacturers to balance precision with cost-effective production.
Fits: Two primary types—Side Fit (where the teeth touch on the flanks) and Major Diameter Fit (where the shaft and hub center on the outer diameter). Key Specifications and Geometry
Splines governed by this standard are measured in imperial units (Diametral Pitch). They are preferred over straight-sided splines because they are self-centering and possess higher strength at the tooth base. standard - ansi b92.1-1996
If you need an original academic-style paper on the topic of ANSI B92.1, I can write one for you, provided you give me a clear focus, such as:
Example title:
Design and Inspection of Involute Splines per ANSI B92.1: A Review of Key Parameters and Tolerance Classifications
Would you like me to proceed with a paper on a specific subtopic? If so, please specify:
Once you provide those details, I’ll write an original, informative paper for you.
The ANSI B92.1 standard, titled "Involute Splines and Inspection," provides the engineering specifications for design, dimensions, and inspection of straight (non-helical) involute splines. The reference to "PDF 38" typically corresponds to specific technical tables or sections found within the 162-page standard or associated engineering handbooks. Core Technical Specifications
Purpose: It defines the geometry for both internal and external splines to ensure interchangeable assembly between mating members, regardless of their individual tolerance classes.
Pressure Angles: The standard covers nominal pressure angles of 30°, 37.5°, and 45°. The 30° angle is most common as it provides a wide-base tooth for superior strength. Fit Types:
Side Fit: The primary fit where the mating members contact on the sides of the teeth.
Major Diameter Fit: Used when precise centering is required, with specific tolerances applied to the major diameter.
Root Types: Includes specifications for Flat Root and Fillet Root designs. Key Data & Calculations
ANSI B92.1 utilizes a dual-pitch system (e.g., 8/16 DP, 16/32 DP) where the first number refers to the diametral pitch (tooth width) and the second determines the tooth height. Description Tolerance Classes The 1996 revision includes four classes (4, 5, 6, and 7). Effective vs. Actual
Differentiates between "effective" dimensions (which include variations) and "actual" dimensions (measured at a single point). Measuring Methods
Standardizes inspection using measuring pins or composite gages to verify space width and tooth thickness. Availability and Access Involute Spline ANSI B92.1 Equations and Design
ANSI B92.1 Table 38 details the specifications for 30-degree pressure angle, fillet root side fit involute splines, providing crucial design data for pitch diameters, tolerances, and root radii in fatigue-critical, high-torque applications. It covers inch-series diametral pitches, typically ranging from 2.5/5 to 48/96, focusing on ensuring proper interchangeability through effective fit concepts. For detailed equations and design data, visit Engineers Edge Effective Fit in ANSI B92.1-1970 Splines | PDF - Scribd
The ANSI B92.1-1996 standard, titled "Involute Splines and Inspection," is the definitive American National Standard for the design, manufacturing, and quality control of involute splines. Sponsored by the Society of Automotive Engineers (SAE) and the American Society of Mechanical Engineers (ASME), this standard establishes a unified system for splined connections used widely in mechanical power transmission. Core Technical Framework
The standard provides a comprehensive set of formulas, tables, and dimensional parameters for both internal and external involute splines.
Geometry and Parameters: It defines critical specifications such as the number of teeth, pitch (diametral pitch), pressure angle (commonly 30∘30 raised to the composed with power 37.5∘37.5 raised to the composed with power 45∘45 raised to the composed with power
), and various diameters including major, minor, and pitch diameters.
Fit Classifications: ANSI B92.1 establishes two primary types of fits:
Tooth Side Fit: The mating members make contact on the sides of the teeth, allowing the internal and external splines to be interchangeable across different tolerance classes.
Major Diameter Fit: The contact occurs primarily at the major diameter, requiring more precise centering.
Tolerance Classes: The standard utilizes various tolerance levels to account for manufacturing variations, including compensations for processing steps like heat treatment. The Effective Variation Concept
A foundational principle of ANSI B92.1 is the concept of effective specification for spline fit control.
Minimum Effective Space Width: For all tolerance classes, the internal member has a consistent minimum effective space width.
Maximum Effective Tooth Thickness: Similarly, the external member maintains a consistent maximum effective tooth thickness.
Interchangeability: This approach ensures that mating splines are interchangeable regardless of their individual tolerance classes, which is a significant advantage when one member is harder to produce than its mate. Inspection and Data Tables The ANSI B92
For practical application, the standard includes extensive data tables (such as Table 63) that list specific dimensions for various pitch and pressure angle combinations, such as the 80/100 pitch with a 45∘45 raised to the composed with power
pressure angle. These tables detail minimum and maximum actual circular space widths and tooth thicknesses, providing clear benchmarks for quality control during manufacturing. Distinction from Metric Standards
While ANSI B92.1 focuses on inch-based diametral pitch splines, its counterpart, ANSI B92.2M, governs metric involute splines. The metric standard uses modules (ranging from 0.25 to 10) instead of diametral pitch but maintains similar pressure angle standards ( 30∘30 raised to the composed with power 37.5∘37.5 raised to the composed with power 45∘45 raised to the composed with power
The standard ANSI B92.1-1996 (specifically the version often found as a 100+ page PDF) provides comprehensive data for the design, manufacture, and inspection of involute splines. Key Technical Aspects of ANSI B92.1
This standard is the primary reference for inch-based involute splines in North America. Below is an overview of its core components: Pressure Angles: It covers splines with pressure angles of 30∘30 raised to the composed with power 37.5∘37.5 raised to the composed with power 45∘45 raised to the composed with power Fit Types:
Side Fit: The most common type where contact occurs on the sides of the teeth.
Major Diameter Fit: Where the major diameter of the internal and external splines provides the centering.
Tolerance Classes: The 1996 revision utilizes four tolerance classes (4, 5, 6, and 7), providing varying levels of precision for different applications.
Term Changes: The term "involute serration," previously used for 45∘45 raised to the composed with power
pressure angle splines, was officially deleted in the 1996 revision; these are now simply referred to as involute splines. Understanding "PDF 38"
In many digitized versions or technical guides based on this standard, page or section 38 typically transitions into specific dimensional tables or system structures. For instance, in comprehensive spline guides:
Section 3.2.1 (often starting around page 38 in combined standards manuals) may cover the German Standard DIN 5480, which is the metric counterpart often compared to ANSI B92.1.
Interchangeability: Page 38 of the specific ANSI B92.1-1996 PDF typically falls within the technical data section for Flat Root Side Fit or Fillet Root Side Fit splines, detailing the symbols and units used for calculations. Structural Overview of the Standard Content Description Terminology
Defines "effective" vs "actual" space width and tooth thickness. Basic Data
Specifies the pitch, number of teeth, and base diameter calculations. Diameters Outlines major, minor, and pitch diameter tolerances. Inspection
Details "Over Pins" or "Between Pins" measurement methods for quality control.
For high-quality technical documents or to view the standard directly, you can access the ANSI B92.1-1996 PDF or review summarized data on Scribd. standard - ansi b92.1-1996
commonly refers to either a specific high-frequency reference in the standard (such as the 38-degree indexing
used in calculation formulas or a specific table page) or physical product dimensions (like a 38 mm outside diameter/length) machined according to this profile. Splineshop 1. Overview of ANSI B92.1 ANSI B92.1
standard (often cited as ANSI B92.1-1970 or the revised ANSI B92.1-1996) governs the proportions, dimensions, tolerances, and inspection of involute splines. These are mechanical ridges or teeth on a drive shaft that mesh with grooves in a mating piece to transmit high levels of torque.
Unlike standard gears, spline teeth are generally cut shallower (often half the depth of a standard gear tooth). Academia.edu 2. Core Technical Specifications
If you are calculating or searching for document breakdowns, these are the fundamental properties enforced by the standard: Pressure Angles: The standard covers pressure angles of 30 raised to the composed with power 37.5 raised to the composed with power 45 raised to the composed with power 45 raised to the composed with power
angle was historically referred to as an "involute serration"). Pitch Designation: Expressed as a fraction (e.g., ). The numerator is the diametral pitch , and the denominator is the stub pitch
(which is always twice the numerator to control the tooth depth). Fit Types: The mating members contact only on the sides of the teeth. Major Diameter Fit:
The mating members make contact at the outer diameter to provide centered alignment. master2000.ru 3. Splines and the "38" Reference
Depending on the context of your specific document or project, the number most likely refers to one of the following: A. Direct Physical Dimensions (Metric Overlays)
For several common hydraulic and automotive parts mapped to this standard, a dimension indicates: Outer Diameter:
A physical component with an approximate 38 mm outer sizing using an English pitch (like DP with 12 teeth). Engagement Length: Spline hubs are frequently cut to standardized
lengths to accommodate heavy-duty mineral-oil-based pump assemblies. B. Page or Table Numbering in the PDF
If you are actively searching within the indexed PDF files of the standard:
In many digitized printings of the 1970 and 1996 standard, specific numbered tables dictate the exact tolerances (Class 4, 5, 6, or 7) for space widths and tooth thicknesses.
Usually contains the baseline formulas used to determine the pitch diameter ( ), base diameter ( cap D sub b ), and circular pitch ( master2000.ru 4. Basic Calculation Formulas
To help with any engineering work associated with this standard, the baseline geometric formulas are structured as follows: standard - ansi b92.1-1996
The search for "ANSI B 92.1 PDF 38" reflects the real-world need for precise, actionable data from a critical engineering standard. While "38" is most likely a page number pointing to inspection tables (or a misunderstood pressure angle), the key takeaway is the importance of using legitimate, complete standards.
Do not rely on fragmented online copies. Invest in the official PDF from ASME, use ISO 4156 as an alternative, or leverage online calculators that respect the standard’s formulas. Whether you need tooth thickness data for a 38-tooth spline or the inspection methods on page 38, accuracy begins with the right source.
Next Steps:
Your splines—and the machinery they drive—will thank you.
Keywords used naturally: ANSI B 92.1, PDF, 38, involute splines, measurement over pins, pressure angle, ASME B92.1, spline inspection.
Warning: Many websites offer "free PDF downloads" but violate copyright laws or distribute low-quality scanned copies with missing pages (often missing page 38!). To get a legitimate, complete document:
In the world of mechanical engineering and power transmission, precision is paramount. When components must fit together perfectly under high torque and rotational stress, engineers turn to standardized spline connections. Among the most widely referenced standards in North America and beyond is ANSI B92.1. However, those searching for the specific term "ansi b 92.1 pdf 38" are often looking for a particular section, dimension table, or a specific page reference within this crucial document.
This article unpacks everything you need to know about ANSI B92.1, what the "38" likely refers to, how to access the PDF, and why this standard remains a cornerstone of modern machinery design.
The original ANSI B92.1-1970 document runs approximately 80-100 pages (depending on appendix inclusion). Page 38 typically falls within the section covering inspection principles or tables for measurement over pins.
Imagine you are a machinist programming a wire EDM to cut an internal spline with the following specs: Obtain the standard
You need to know the pin diameter for over-pin measurement. The formula and reference tables reside on page 38 of ANSI B92.1. Without that data, you cannot QC the part.
Solution: Use the formula from the standard (which is also on page 38) or use a digital spline calculator that references the standard.