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What is Batch Production?

The batch production method is used when producing everything from pies and cookies to computer chips and camera lenses.
In batch production, items are made in large groups or batches.
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  • Written By: Tricia Ellis-Christensen
  • Edited By: O. Wallace
  • Last Modified Date: 09 October 2014
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Manufacturers of anything from cakes to computer chips have many ways of organizing production. One of these methods is called batch production. This is when, instead of manufacturing items singly or by continuous production, items are manufactured in groups or batches. A specific process for each item takes place at the same time on a batch of items, and that group does not move onto the next stage of production or inspection until the whole batch is done.

For example, in small bakeries and many homes, as opposed to large food manufacturing companies, cookies are baked in batches. A baker must first make the dough, then place it onto baking sheets, and then bake it. People are limited as to how many cookies they can produce at one time by the number of baking sheets and ovens they possess, and by the size of bowls available to mix each batch.

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This is batch production, since a large number of cookies is baked at the same time, and bakers can’t skip from one step to the next until each process is complete. They can’t start cooking the cookies until they've made the dough, and they can’t remove the cookies from the oven (in most cases) until all the cookies are done, unless using an oven with a conveyor belt. There are necessary steps that apply to the whole batch of cookies. Cooking may requires a baker to bake in individual batches, increasing the final time between finishing the dough and actually having completed baking all the cookies.

Sometimes, this type of production is necessary when a manufacturer is producing similar things, but with variants. For instance, if a company manufactures two colors of the same shoe, it would probably use batch production. Any dyeing of leather or fabric can’t apply to the whole set of shoes since they’re different colors, which can mean stopping in between each batch to change or clean machines, or prepare to add new dyes for the next variation. The necessity of stopping between batches is called "down time," and is why some people find this method of production an inefficient manufacturing process. Time needed to prepare equipment or machines for the next batch can reduce total amount that can be manufactured and take longer in total production time.

Another example is found in thin film coating of materials, like lenses, computer screens and the like. A coating machine can hold a finite number of the item being produced, and it can take several hours to over a day to apply the coatings needed in order to produce one batch. After materials are coated, they move on to the inspection process, while the coating machine must be readied for the next batch. This resetting of the machine may take considerable time, and may require several steps before the next batch can be placed in the machine.

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anon150441
Post 24

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anon114344
Post 20

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anon87168
Post 17

Great info. Very useful to understand the subject.

anon80912
Post 16

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anon80329
Post 15

You don't have anything in here about the environmental issues caused by batch production.

Moderator's reply: Thanks for visiting wiseGEEK and contributing to the discussion. It is impossible to cover every aspect of such a broad topic in 400-500 words. However, you are welcome to suggest an article on that very topic via e-mail.

anon72503
Post 10

Great! the cookies made me hungry though!

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