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The purpose of this article is to discuss ISO 4156/ANSI B92.2M-1980 and to compare it with other, older standards still in use. In our experience designing and manufacturing spline gauges and other spline measuring or holding devices for splined component manufacturers throughout the world, we are constantly surprised that so many standards have been produced covering what is quite a small subject. Many of the standards are international standards; others are company standards, which are usually based on international standards. Almost all have similarities; that is, they all deal with splines that have involute flanks of 30 degrees, 37.5 degrees or 45 degrees pressure angle and are for the most part flank-fitting or occasionally major-diameter-fitting.
Temperature Induced Dimensional Changes Temperature causes various materials to change size at different rate, known as their Coefficients of Expansion (COE). The effects of this phenomenon on precision dimensional measurements are continuous and costly to industry. Precautions can be taken to allow parts and gages to temperature stabilize before conducting gage R & R studies, but the fact remains that on the shop floor temperatures vary all the time. The slow pace at which industry has accepted this reality probably has to do with the subtlety of these tiny size variations and our inability to sense gradual, but significant temperature changes.
Industry News from October/November 1984 Gear Technology.
This article describes a new technique for the size determination of external Involute splines by using a span measuring method. It provides application performance information demonstrating how this method and its measurements correlate with the traditional spline ring gage sizing method.
News Items About gauge
1 Marposs Introduces Wireless Bore Gauge with Optional Inductive Battery Charger (July 19, 2007)
Marposs Corp. will present its new M1 Wave wireless bore gauge with an optional inductive battery charger in at South-Tec 2007.Equi... Read News
2 Marposs Introduces Gauge Head for In-Process Grinder Control at Eastec (February 26, 2007)
Marposs Corp. will show its new NanoUnimar ultra-compact gauge head for in-process grinder control in Booth #3006 at the EASTEC APEX 2007... Read News
3 New Bore Gauge from Marposs (January 19, 2004)
The M1Star MBG mechanical bore gauge from Marposs is designed for manual mechanical use in precision checking of I.D., ovality or taper o... Read News
4 Marposs Offers Grinding Gauge for Immediate Machine Compensation (November 26, 2018)
Marposs Corp. has announced the availability of its new P3dME electronic gauge amplifier for post-process monitoring of smooth and groo... Read News
5 Marposs iWave2 Wireless Gauge Has Measuring Resolution of 0.0001 mm. (August 20, 2015)
Marposs Corp. recently announced it will introduce its new iWave2 wireless manual gauge at the Quality Show in booth #619. The innov... Read News
6 Marposs M62 Flex Gauge Inspects Wide Range of Gear Sizes (November 2, 2018)
Marposs Corp. has announced its new M62 Flex manual bench gauge system for the production floor, which provides the flexibility to meas... Read News
7 Marposs Electrical Gauge Actuators Provides Increased Control and Reduced Maintenance time for E-Fenar and BlĂș Systems (January 4, 2018)
Marposs has enhanced its gauging solutions for grinding machines with new electrical gauge actuators. As compared to former hydraulic and... Read News
8 Dillon Manufacturing Jaw Force Gauges Measure Force of Individual Chuck Jaws (January 13, 2016)
New Jaw Force Gauges from Dillon Manufacturing allow users to accurately measure the force applied to each chuck jaw independently, so th... Read News
9 Riten Offers Tailstock Force Gauge (May 24, 2013)
For many precision jobs using a face driver, it is critically important to know the exact force applied to the workpiece by the hydraulic... Read News