![]() Let’s take the below example, the Diameter. ![]() If any dimension or annotation which shows the position of a feature can not be termed as a feature of size. You may also like to read: What is an orthographic projection What Is Feature Of SizeĪny dimension or annotation which depicts the length, width, depth, or volume of a feature is called a feature of size. So Let learns first what is a feature of size before learning about MMC & LMC. MMC and LMC only apply to a dimension that shows the feature of size and not on any individual dimensions. ![]() What that means is that there will be few bad parts and a few rejections of parts. When you apply MMC or LMC based on the scenario, it will ensure that a part can be assembled with the mating parts even in the worst-case condition. One of the key reason for product failure is that different part does not fit properly or I can say that different parts of a product were not designed properly to fit. So let’s learn more in this article about MMC and LMC and how it affects product design. Many of us may not know about Maximum material calculation and least material condition calculations and what does that actually means. MMC and LMC offer flexibility in tolerances called Bonus Tolerance. Maximum Material Condition (MMC) And Least Material Condition (LMC) are two key elements of GD & T to leverage tolerance on critical parts.
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