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This section provides an overview for gauge blocks as well as their applications and principles. Also, please take a look at the list of 9 gauge block manufacturers and their company rankings. Here are the top-ranked gauge block companies as of December, 2024: 1.Fowler High Precision, 2.KURODA Precision Industries Ltd., 3.Starrett.
Table of Contents
A gauge block is defined as "an end-device made of durable material, having a rectangular cross-section and two parallel measuring surfaces," which are in close contact with other gauge blocks or auxiliary bodies (reference plane). (End-degree device: a reference that expresses dimensions in terms of the distance between two parallel surfaces)
Generally, a gauge block consists of several rectangles. Each rectangle has the same dimensions in length and width, but different thicknesses, which can be superimposed to produce any desired dimension in the direction of thickness.
Gauge blocks are manufactured under very strict dimensional control and are used to measure length standards.
Specifically, gauge blocks are used as dimensional measurement standards when assembling precision instruments, or for measuring the accuracy of calipers, micrometers, and other instruments.
When assembling precision instruments, there are cases in which instructions are given on the gap to be secured between members. In such cases, multiple gauge blocks can be placed on top of each other and applied to the gap to create the desired dimension.
Gauge blocks have the following features:
The above features indicate that the product is rigorously manufactured. Therefore, the following grades are determined according to the quality level:
Naturally, the higher the grade (the more precise), the higher the price, and the more careful handling is required.
Although gauge blocks are precisely made, it is necessary to consider how to use as few blocks as possible to form the desired dimensions to minimize errors.
*Including some distributors, etc.
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Fowler High Precision (FHP) is an American manufacturer of quality control and calibration equipment that was established in Canton, Massachusetts in 1946. From its main 78,000 sq ft manufacturing facility, the company produces various quality inspection devices including coordinate measuring machines (CMMs), micrometers, bore gauges, and optical measurement systems. Their facility compound includes a calibration laboratory and warehouse, which also stocks products from other brands such as Bowers and Baty and Sylvac. FHP products are primarily used by clients in the medical, automotive, aerospace, and manufacturing automation sectors.
TESA Technology established in Switzerland, in 1941, is a manufacturer of sensors, software and autonomous solutions. Their product range include calipers, micrometers, dial gauges, lever-type dial test indicators and inductive probes. The company has a global distribution network, and their products are used in industries such as mechanical engineering, micromechanical, automotive, aerospace, watchmaking and medical. The company also provides training for the product installation, product customization for special requirements and customer support.
WESTport Corporation., founded in West Islip, New York in 1989 is a manufacturer of Precision Fixed Limit Gages used in Aviation and Aerospace industry. The company's product portfolio includes Thread Plug and Thread Ring Gages, Cylindrical Plug and Ring Gages, Custom Design and Build Gages, ACME Gages, and Air Gages. They provide services such as Onsite Services, Gage Repair, and Hardness Testing of products. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation.
The L.S. Starrett Company was founded in 1880 and is headquartered in Athol, Massachusetts. The company is a manufacturer of industrial, professional, and consumer measuring and cutting tools to customers globally. The company has three general product segments: precision hand tools, gage blocks, and surface plates. Precision hand tools include depth gages, micrometers, squares, and over 15 other types of handheld measuring tools. Gage block offerings include individual blocks, sets, and accessories.
Mitutoyo America Corporation was founded in Aurora, Illinois in 1963 by Mitutoyo Corporation of Japan as its American sales, marketing, and service subsidiary. The company provides parts service, manufacturing, and turnkey solutions for metrology equipment for aerospace, alternative energy, automotive, semiconductor, and other industries. The company’s product offerings include coordinate measuring machines, sensor systems, test equipment, and vision measuring equipment customized for customer needs. The company’s services include calibration and repair, installation, contract part programming, and training and education for operation as well as calibration.
Marposs S.p.A. is headquartered in Bentivoglio, Italy. The company serves industries such asa aerospace, semiconductors, machine tooling, and biomedical as a manufacturer and as a service provider. The company’s products vary by industry but include tools for gauging, profiling, and monitoring, as well as data management systems and machines for testing and automation. The company’s services include after sales service, customer training, original spare parts, retrofit and upgrade of existing machinery, and project management consulting services.
ADITYA ENGINEERING was established in 1984, headquartered in Hadapsar, Pune, India, and is a manufacturer of Measuring Instruments and Gauges. The portfolio of the company includes Measuring Machines, Calibration Masters, Gear Measurement, and much more. The company works to provide solutions for sustainable progress. The Universal Length Measuring Machine, Model: Lab Microcal 600 has a measuring spindle cross-section of 60x40mm size for straightness and accuracy. To ensure parallelism of anvil measuring faces, these machines are made in an adjustable anvil design.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Fowler High Precision |
21.5%
|
| 2 | KURODA Precision Industries Ltd. |
15.3%
|
| 3 | Starrett |
13.2%
|
| 4 | WESTport Corporation |
12.5%
|
| 5 | TESA Technology |
12.5%
|
| 6 | ADITYA ENGINEERING |
6.9%
|
| 7 | Mitutoyo America Corporation |
6.3%
|
| 8 | MRC group |
6.3%
|
| 9 | Marposs |
5.6%
|
Derivation Method
The ranking is calculated based on the click share within the gauge block page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
5 | 71.4% |
|
Italy
|
1 | 14.3% |
Japan
|
1 | 14.3% |
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