1. The process flow diagram of the production system at Donner.
Preparation Stage
Imagine Transfer
Fabrication
2. What size orders would you schedule on the CNC drill? On the CNC router?
Time taken to process the orders depends on the selected drilling method either
a) Manual drilling or CNC OR b) Using CNC Drill
Assumption 1: Manual Drilling is not done on all the available Manual Drill Presses in parallel.
Calculating time taken for Manual drilling and CNC Drilling:
= Setup Time + Run Time (Per Hole) * No. of Holes drilled on each circuit board * No. of boards
Time taken for Manual drilling =15 + 0.08*500*x where x= number of circuit boards
Time taken for CNC drilling = 240 + 0.004*500*x where x= number of
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of Boards (n) Parallel Process allowed Manual Drill 6 < n ≤ 56 No Parallel Processing CNC Drill n > 56 CNC Drill
What Size orders can be scheduled on CNC Router?
Using the steps used in previous part, calculating the time taken by each method
Time taken for Punch Press =50 + x Time taken for CNC Router = 150+ 0.5x
To figure out whether CNC Router to be used,
50 + x ≥ 150+ 0.5x Hence x ≥ 200. [x= number of circuit boards]
Conclusion for CNC Router: n < 200 Use Punch Press
Total no. of Boards (n) n > 200 For Use CNC Router
3. Would you recommend adding another CNC drill? Perform a net-present value calculation to help make the decision. Price of the CNC machine is $80,000. The additional assumption we need to add to assumption already given is that:
Arthur Dief will run all the small orders (8 circuit boards or less) and other boards will be done on a CNC machine despite of the shop floor policy which states that only orders for more than 100 boards be drilled on a CNC machine.
The company is currently using a CNC machine for orders for equal or greater than 140 boards due to capacity of a CNC machine; however, they would be able to process all orders with CNC machines if they add one more machine.
In this case, if we calculate the current cost in drilling process:
with no work stoppage · · Increase capacity by 44,800 wafers Have control of wafer manufactured
CanGo is considering making investments in the technology in order to improve process flow. In order to better understand the investments they are considering, it is important to fully understand the process choices and the differences between them. The process choices can be viewed on a spectrum with one end being intermittent processes and continuous processes are at the other end. Intermittent processes, or job shops, are generalized and flexible. The workers are skilled and they are able to make a wide range
10. If 12,500 units are produced, what is the total amount of fixed manufacturing cost incurred to support this level of production?
Smithfield produces a variety of products that all require specialized equipment. Since these outputs and operations are standardized, the specialized equipment is a huge fixed cost that is distributed over a large volume of outputs that result in a low per-unit cost. The continuous type of material handling requires conveyors and other standardized equipment where all the outputs follow the same path. This “standardization of treatment provides for a known, fixed throughput time, giving managers easier control of the system and more reliable delivery dates” (Meredith, p.52). The flow shop transformation system also allows for better control of routing and scheduling, and minimizes the amount of skilled labor required. This minimization gives
ML had developed a policy of selling manual machines and renting automatic machines. Manual machines did not cost much, did not require service, and could be modified to attach different fasteners inexpensively. Automatic machines were rented on an annual basis because they would have been more expensive to sell and it provided annual income to ML. However, about 700 of the rented machines were returned each year. During the time that machines were in inventory, ML would modify the machines to attach different fasteners. This was expensive with an average cost per modification of $2000. If all 700 machines were modified during a given year this would have cost $1.4 million per year. It was also industry practice to provide preventative maintenance and
Ideal for the dedicated DIYer or the skilled professional, the Dewalt DW130V drill works with multiple Dewalt accessories. Operating on 9 amps, it has the capacity to penetrate tough surfaces. Not only is it a great mixing tool, but it drills perfect holes, too. Drill up to 1 1/2-inch holes in wood with a spade bit and up to 5 inches with hole saws. Use a self-feed bit up to 2-9/16 inch and auger bits up to 1 1/2-inch. Make large holes into steel using twist bit drilling up to half an inch and hole saw drilling up to 3
The expansion plan calls for a $50 million investment in production capacity to accommodate the future demand of the retailer. Considering that all of HPL’s four plants are already operating at
It is crucial for a professional to select the right device blend package from the marketplace. Depending upon the operations performed, the productivity and the job sites, a strength device should be chosen that suits the requirement. With a boom in the call for satisfactory tool combination kit is inside the market, Milwaukee has added the Milwaukee 2695-22 18 volt cordless piece blend kit. The article provides records approximately the overall performance of the gear present in the mixture package, they specs and new capabilities which can be delivered.
Most will offer 20 heads or so, which is fine for a hobbyist, but simply doesn’t grant the versatility needed to make a living off your craft. With the Craftsman 100 Piece Drilling and Driving Kit, you can be sure that you will be able to complete every job that comes through your door.
Based on the ABC method, anytime a product is made there are several costs associated with the production of the product and the costs are assign to unit level centers (Edmunds, Tsay, & Olds, 2011). For example in assembling the drills there are machinery costs, inspection costs, utility costs, and supply costs; if the costs for producing the OS drill is higher than producing the GS drill using the ABC method that explains the why the OS is higher in the ABC method than the GS. Tradition method is based on volume and in these case the machine hours used to produce the products, if more machine hours were used to produce the GS they were charged more than the OS
In, 8 hours a day, the company can produce 60 * 8 * (1/0.5) = 960 shirts, which is the current production capacity. But it needs to produce only 800 shirts.
Planning an Incremental-build project involves planning for analysis and design plus planning the number of and frequency of
| AssemblyAssembly HoursJY – 63 – 6,000RX – 67 – 5,500($433,962 x 1.06) / (6,000 + 5500)=$40.00/hour
With previous, 'job shop type systems,' the systems "were capable of large variety of product, but at a high cost. Transfer lines could produce large volumes of a product at a reasonable cost, but were limited to the production of one, two, or very few different parts" (Ramkumar, n.d). This proved to be inefficient in the long run and locked in the company into producing a narrow range of output, in specific quantities.
All the parts for a single garment are advanced through the production line together by means of a hanging carrier that travels along an overhead conveyor. The overhead rail system consists of the main conveyor and accumulating rails for each work station. The overhead conveyor operates much like a railroad track. Carriers are moved along the main conveyor and switched to an accumulating rail at the work station where an operation is to be performed. At the completion of an operation the operator presses a button, and the carrier moves on to the next operation. Most unit production systems are linked to a computer control center that routes and tracks production and provides up-to-the-minute data for management decisions. The