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Basics on a Common Manufacturing Process for Spur Gears
Mon 16th Sep 2019 at 2:05pm, 0 comments
‚ÄčThere are numerous gear types to consider within the world of gear manufacturing, and one of the single most common is the spur gear. Made with straight teeth and mounted on parallel shafts, spur gears look like the traditional "gear" most think of when they hear the word, and are used for a variety of mechanical purposes.

At Butler Gear, our custom gear manufacturer services include a wide range of spur gear options to fit your every need. What is the process that goes into creating spur gears? The answer may depend slightly on the precise needs and purposes the gear will take on, but here's an example of one common spur gear manufacturing process for you to browse through:

Material Collection

For starters, we have to source out the materials needed for your spur gears. Materials that might be specified during the design and planning phase include a variety of metal types, plus several ceramic options and a few possible plastics as well.

Gear Blank Production

Once all the materials required have been procured, the next step in this particular process will be to turn the primary metal into a "blank." For those not familiar with this term, it refers to turning the metal to the proper size and milling in any further features you require. When the blanking process is finished, you'll be left with a finished blank - a gear that does not yet have its teeth, which is our very next step in fact.

Gear Teeth Cutting and Deburring

Gears need teeth to allow them to provide the proper pressure while turning, and there are a few processes that might be used here. Depending on the size of the gear and whether the teeth need to be external or internal, we may hob, shape, mill or even grind the teeth into the gear blank.

Within several of these processes, it's possible this cutting will leave burrs in the gear. When this is the case, we will use a deburring process to get rid of these.

Heat Treatment

If required, the gear will then be heat treated to increase its durability and overall metal hardness. This is another area where we may choose between one of several possible heat processes: Flame, induction, carburization or harder and nitriding processes are all options here.

Finishing and Inspection

Finally, we'll provide additional services like a keyway or supplementary coating to provide corrosion and rust resistance. Once these finishing processes are complete, we'll then perform a detailed inspection on the entire gear before packing and shipping it out to you.

For more on the process of creating a common spur gear, or to learn about any of our gear grinding or custom gears, speak to the staff at Butler Gear today.

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