Production line
-Report-
In this report will be analysed the current production line of a manufacturing company that produces three different products. Because the system is consuming too much resources and it’s not very efficiently, ways to improve all this factors is needed. By identifying the bottleneck an alternative solution can be proposed for this problem. Due to increases of demand, and the need to reduce production costs, the company is considering ways of effectively reducing Work-in-Process and also reducing throughput times whilst maintaining a good level of resources utilization. For analysing the production line, a simulation model was built using Arena software program, based on information provided by company. The
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The Station module defines a station (or a set of stations) corresponding to a physical or logical location where processing occurs. (Picture above)
The Route module transfers an entity to a specified station or the next station in the station visitation sequence defined for the entity. A delay time define by a triangular distribution “TRIA(2,3,4)” is defined in every route module for our model(traveling time between each station).
The first station used is “System In “ so that all component are getting into the system, followed by the “Component Start “ route, witch guide each component to the correct station that they need to go.
After all the components are in the system they have to follow a particular route depending of the component type, so for that all the Route modules send the component after a sequence define in Sequence-Advanced Transfer. (Picture below).
Thus , using Station modules and Route modules all the component are moving from one station to another following exactly the specified road.(picture route module below).
For the components to be machined, Process module was chosen. (pic below)
For the first station the name of the process is “Cutting Machine 1” ,type Standard(no point to work with sub models), and the action type is “Seize Delay Release “ because the component is entering in the machine (cutting machine in this case), which means
every other node that receives them from the neighbors of S, until they arrive at the destination. When reactive routing protocols such as DSR or
RouteSim is a destination delivery program used to simulate routes, costs, and profits. It is not integrated into Logisuite or Oracle financials to take advantage of the databases for real-ime currency valuaion and profit or loss projections.
Choudhari, S. C., Adil, G. K., & Ananthakumar, U. (2012). Exploratory case studies on manufacturing decision areas in the job production system. International Journal of Operations & Production Management, 32
* Loads were picked up from location A and delivered to one of 5 warehouses, placed on another truck with optimized route for location B (software driven route optimization)
The pieces to work stations or to operator in the production line or line segment is 2000 to 15 or 400 to 3 based on 15 direct labor employees. (See question 2)
Refer to the case that the company needs to emphasize the reducing setup times. Planning, process redesign, and product redesign are the factors to reduce setup times. To achieve reduction in order lot size for purchase items, there are several requirements that have to done, first of all is to as possible as to maintain zero inventory, secondly is
Provide an output that shows the routing table for your node after each iteration. Add a second table with two columns. One that shows the destination from your node and the second column indicating the number of hops to reach that node.
Try to reduce overall production runs by aggregating different orders, thereby increasing batch size. Marketing strategy of delay in turnaround time is required to achieve this
2. Make some minor changes in the production line to minimize flexibility-accuracy and accordingly reduce the cost.
Since the current assembly line layout should achieving 100% line efficiency when running at maximum capacity of 215 units. Thus, to operate at target 300 units/day, the current assembly line needs to redesign.
the input sub-assemble. Each plant will be in the country of its respective locality. In respect to
The assembly line needs to produce 6 units per hour and there is room for only four workstations. The tasks and the order in which they must be performed are shown in the following table. Tasks cannot be split, and it would be too expensive to duplicate any task.
The Ford Production System (FPS) would utilize a pull-based production process that synchronizes production and ensures flow and stability throughout the production process. Ordered assembly drives costs down by providing Ford and its suppliers when and where supplies are needed. This also reduces overstocking of supplies.
4) Exploring the possibility of implementing JIT (Just in Time) system that can reduce the finished goods inventory at
Boeing made use of lean techniques in their production system and increased its production by 50% and also reduced its floor space by 40%. Assembling a Boeing 737 is a typical job. Workers should take 367,000 parts, an same number of bolts, rivets, other equipment and 36 miles (58 kilometres) of electrical wire and then keep them all combined to make an airplane [2]. Engineers to machinists were involved in lean (reducing waste) in the factory. By creating an assembly line, aircraft will pass through the workers were they going to concentrate on assembling. Allocating all employees in the factory building and organising special teams helped a lot to solve the errors in the assembly line [2]. In the assembly line, there are eight beacon lights which reflect the production status. If everything is good it shows green colour. If an error occurs, the worker will press a button and the green light will changes to yellow and the panel board will shows the category of the problem(which category it is related to). The worker will pass on to a computer and writes about the problem in a brief manner and the problem should be assigned to special team to solve it within 30 minutes if not, the light turns to purple and the assembly line will shuts down. This moving assembly is the icon of factory’s lean strategies.