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The increasing popularity of ACME thread gauges in recent times

Author: Frank Xu
by Frank Xu
Posted: Aug 21, 2017

Perhaps the most popular thread form ever created, ACME threads came into existence under the category of trapezoidal thread forms. It created a whole new revolution in the taps and dies world. Its emergence as a leading thread form made the formation of ACME thread gauges.

Use of these gauges:

You, being a beginner, often face problems while researching about gauges. This happens because you do not have sufficient knowledge of terms. Gauges help in cutting threads at a perfect angle. In this case, achieving a proper 29 degree of ACME thread taps became possible.

Two types of thread gauge – ring and plug, proficiently work by checking external and internal threads respectively. From online sites, you can buy centralizing ACME gauge, general purpose ACME gauge and also stub-ACME gauge.

Advent of ACME screws:

Around late 1800s, a much easy version of ACME threads came into use. After that, use of square thread screws started its decline, because of the obvious reason being its difficult production.

Thus, the market use of ACME screws increased making it suitable for vertical applications. And this gave birth to high production of ACME threads and gauges.

Characteristics of popularly used ACME thread taps:

  1. Thread taps designed especially for screws with a trapezoidal outline
  2. Made with stainless steel
  3. At a 29-degree thread angle, these taps usually come at a half height of the pitch, while the peak and the crest remain flat.
  4. Most commonly used for mass production, these taps fall under low-cost tool category.
  5. They give highest amount of thread accuracy.
  6. These thread taps depend less on operation worker but give more output.
  7. Some sites also sell Right Hand (RH) and Left Hand (LH) thread taps making it user-friendly.
  8. Mainly found in industrial applications, these taps become useful for lifting heavy torque and transmission of power.
  9. It ensures proper placement of threads in machinery and devices.
  10. Selection of thread types happens, keeping in mind the load capacity

Three distinctive features make them widely used:

Robust

Simple to use

Durable

Different types of ACME thread gauges

General-purpose thread gauges come in three classes of fit: 2G, 3G, and 4G among which 2G finds popular usage in the market.

Also, centralizing thread gauges come in three classes of fit:

a. 2C

b. 3C

c. 4C.

In this case, you can see the priority use of 2C.

Another type, stub thread gauge comes only in one class of fit: 2G.

Important fact on the thread type:

Makers prefer Long-length ACME threads for using it in:

  • Testing machines
  • Controlling movements on machine tools
  • Jacks
  • Conveyors
  • Aircraft flaps

Makers also prefer Short-length threads but for using it on:

  • Hose connectors
  • Valve stems
  • Bonnets on pressure cylinders
  • Camera lens movement
  • Steering mechanisms

While buying ACME thread gauges, you should always check the authenticity of the website. As these gauges come in different diameters, selecting the one best suited for your use will prove beneficial. Also, keep in mind the thread types you choose. A right thread gauge not only increases the production but also lets the makers increase the speed of machines.

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Find more information, about Acme thread gauges here

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Author: Frank Xu

Frank Xu

Member since: Dec 21, 2016
Published articles: 3

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