Manufacturing Cell
A manufacturing cell is a dedicated arrangement of machines and workstations for producing a family of similar parts.
A manufacturing cell groups different types of machines, tools, and operators into a self-contained unit. This unit is designed to complete all the manufacturing steps for a specific family of products. This layout contrasts with a traditional process layout, where similar machines are grouped together in separate departments. For example, all lathes would be in one area and all mills in another.
In a cell, parts move sequentially from one workstation to the next with minimal delay or storage. This approach often follows a one-piece flow model, where a single part is processed at each station. Operators within the cell are typically cross-trained to operate multiple machines. This flexibility allows them to adapt to changes in product mix or demand.
The primary goal of a manufacturing cell is to improve production flow. It reduces material handling distance, work-in-progress (WIP) inventory, and overall lead time. Quality issues are identified and addressed faster because the entire process is visible in one area. This structure supports lean manufacturing principles like just-in-time production and continuous flow.
A medical device company creates a cell for assembling a specific type of diagnostic kit. The cell includes stations for component preparation, assembly, testing, and packaging. By moving these operations into a U-shaped cell, the company reduced the average production time per kit from 2 days to 3 hours.
What is the difference between a manufacturing cell and an assembly line?
A manufacturing cell is designed for a family of similar parts and is flexible. An assembly line is typically dedicated to a single product with a fixed sequence of operations.
What is the most common layout for a manufacturing cell?
The U-shape is the most common layout. It minimizes operator movement and improves communication between workstations.
How many operators work in a typical cell?
A cell usually has between 2 and 12 operators. The number depends on the number of process steps and the production volume.
Can a cell produce different products?
Yes, a cell is designed to produce a family of parts that require similar processing steps. Changeovers between different parts within the family are designed to be quick.
Does implementing a cell require buying new equipment?
Not always. Implementation often involves rearranging existing equipment into a new layout. Sometimes, smaller, more flexible machines are acquired to better fit the cell design.
Cellular Manufacturing
Cellular manufacturing arranges equipment and workstations in a sequence to enable a smooth flow for a family of similar parts.
Lean Manufacturing
Lean manufacturing is a production method focused on maximizing customer value by systematically eliminating waste from processes.
Work Cell
A work cell is a specific arrangement of machines, tools, and personnel on the shop floor designed to produce a product or a family of similar products.
Just-In-Time
JITJust-In-Time is a production strategy where items are created or delivered only as they are needed, minimizing inventory.
Value Stream Mapping
Value Stream Mapping is a flowcharting method used to illustrate, analyze, and improve the steps required to deliver a product or service.