It is rare to find modern automated assembly machinery that does not have a rotary indexing dial. These devices are inexpensive and add exceptional reliability and durability to performance. With minimal parts and a small footprint, these systems are highly desirable. Rotary assembly machines are known to be dependable and fast. When used according to manufacturer recommendations, systems can last for 20 years or more.
Modern advancements in automated assembly machinery have gotten rid of the issues holding back rotary indexing dials. New control technology allows engineers to overcome the old limitations of dial systems. Now, rotary dials are more flexible than ever.
Two of the most important considerations for rotary indexing dials is the size and speed of production. Typically, dials range from 19 to 100 inches in diameter. The rule of thumb is that a thirty-inch dial accommodates sixteen stations (one station for every 22.5 degrees).
The speed of rotatory assembly machines depends on the slowest process on the dial. When the product is kept small and simple, rates range from sixty to eighty assemblies every minute. As production becomes more complicated, assembly rates slow down.
Continuous Motion Assembly Machine
Rotary index dials are ideal for small part sizes (fitting within a six-inch cube). The amount of parts also affects production rates and quality. Rotary machines should not be used to build products with more than fifteen parts. It is also advised to avoid highly flexible components (tubing).
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