Material requirement planning Q&A
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MRP is a production planning system used to manage manufacturing processes and inventory levels. It determines material requirements based on a product structure tree and lead times. For a product requiring 80 units of the end item by week 6: MRP plans to order 80 units of E at week 4 and 120 units of B at week 2. It also plans orders of 480 units of J at week 1 and 180 units of J at week 4 to meet requirements while considering scheduled deliveries and lead times.
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(3 Points)1.The injection molding department of Alvec Inc. use.docx
(3 Points)
1.
The injection molding department of Alvec Inc. uses 40 pounds powder X a day. The plant operates 250 days per year. The daily usage of powder X is normally distributed with a standard deviation of 5 pounds per day. The lead time to obtain powder X from a supplier in 9 days. The annual holding cost is $2.00 per unit and the cost of ordering powder X is $50.
a)
What is Economic Order Quantity? ( 3 points)
2.
Refer to problem 1 and its solution. The injection molding department of Alvec Inc. uses 40 pounds powder X a day. The plant operates 250 days per year. The daily usage of powder X is normally distributed with a standard deviation of 5 pounds per day. The lead time to obtain powder X from a supplier in 9 days. The annual holding cost is $2.00 per unit and the cost of ordering powder X is $50.
a)
If a company has a service level goal is 99.4%. What is the expected pounds of shortage order cycle? (shortages are measured in terms of numbers of units) (2 points)
b)
Determine the order points for a service level of 99.4%. (4 Points)
3.
Draw the Activity-on-Arrow network diagrams for the following PERT problem. Use the minimum number of necessary “dummy” activities. (5 points)
Activity
Immediate Predecessor
A
-
B
-
C
A, B
D
B
E
C, D
4.
Given the demand of 3000 units and the following bill of materials for the item “A”, determine the low- level- code and the net requirements for all the items (A, B, C, D). (5 points)
Items
Current Inventory
Low- Level- Code
Net requirements
A
600
B
1800
C
20000
D
7200
5.
(12 Points) The following information is gathered for a project.
Activity
Activity Time ( Days)
Immediate Predecessor(s)
A
2
-
B
4
A
C
5
A
D
2
B
E
1
B
F
8
B, C
G
3
D, E
H
5
F
I
4
F
J
7
G, H, I
a)
Draw the network diagram using the AON (Activity on Node) Convention. (2 points)
b)
Determine the critical path, the amount of slack for each activity and the total completion time of the project. (7 Points)
Activity
ES
EF
LS
LF
Slack
CP
Critical Path:
Project Completion time:
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
1 0
9
8
7
6
5
4
3
2
1
T A S K
A
B
C
D
E
F
G
H
I
J
C) Prepare the earliest start schedule (Gantt chart). (3 points)
Question 8
An aegean sea fish market buys swordfish daily for $2.10 per pound and sells it for $3.60 per pound. at the end of each business day any remaining swordfish is sold to a cat food company for $1.20 per pound. Daily demand can be approximated by a normal distribution with a mean of 150 pounds and a standard deviation of 9 pounds.
a) Determine the.
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This document provides information and examples for estimating welding costs. It includes:
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- A table with standard data for electrode consumption, welding time and power consumption based on plate thickness.
- An example problem that calculates the welding cost for a lap joint between two 1m steel plates based on given data like current, voltage, welding speed, labor rates, and electrode consumption and cost.
- Practice exercises are provided to help learners calculate material weights, volumes and costs for different shapes and examples.
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We develop dynamic programming models for periodic inventory systems that allow for both regular and emergency orders to be placed periodically. There are two key cases - whether a fixed cost exists for emergency orders. If emergency ordering is possible, there is a critical inventory level such that emergency orders are placed if inventory falls below this level at review times. We also provide simple procedures to compute optimal policy parameters - the optimal order-up-to level solves a myopic cost function. Thus, the optimal policies are easy to implement.
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Aggregate planning
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This document discusses capacity planning and identifies key aspects of evaluating capacity requirements and plans. It describes measuring customer demand through forecasts and measuring current organizational capacity levels. It then evaluates three approaches to capacity planning: level capacity which fixes capacity at a constant level; chase demand which adjusts capacity to match fluctuating demand; and demand management which attempts to adjust demand to meet available capacity through strategies like varying price, marketing efforts, or an appointment system.
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The document defines inventory as assets held for sale, in production, or as supplies. It discusses two classes of inventory for manufacturers and traders. Inventory management aims to control ordering, storage, and stock levels. The economic order quantity model calculates the optimal order size to minimize total inventory costs, which are ordering costs and carrying costs. The formula, variables, and an example calculation are provided. Assumptions of the model and reorder point, which triggers reordering, are also explained.
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This document discusses various inventory management concepts and techniques. It defines inventory as stored resources used to satisfy current or future needs, and identifies the main inventory types as raw materials, work in progress, and finished goods. It then discusses reasons for holding inventory, how to determine economic order quantities and reorder points, and assumptions of the economic order quantity and economic production quantity models. Finally, it briefly introduces different inventory classification systems like ABC analysis, HML classification, and XYZ classification that are used to categorize inventory items for better control and management.
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The document discusses the economic order quantity (EOQ) model, which aims to minimize total inventory costs by determining the optimal order quantity. It defines EOQ as the order quantity that balances ordering costs and carrying costs. The key assumptions of the EOQ model are constant demand, lead time, and costs. The document presents the mathematical formula for calculating EOQ and provides an example calculation. It also describes two EOQ models: the 'Q' model with fixed reorder quantities and the 'P' model with periodic reviews and orders.
Line balancing
This document discusses line balancing, which involves arranging machine capacity and workstation tasks to ensure uniform workflow and minimize idle time. It aims to balance workloads, identify bottlenecks, determine the optimal number of workstations, and reduce costs. The key aspects of line balancing are precedence constraints, which require some tasks to be completed before others, and cycle time restrictions, which set a maximum time for each workstation. Balanced lines promote efficient one-piece flow and minimize waste, while unbalanced lines cause excessive workload, variation and idle time. The line balancing process involves drawing precedence diagrams, determining cycle times, assigning tasks to workstations, and calculating line efficiency.
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Similar to Material requirement planning Q&A
(3 Points)1.The injection molding department of Alvec Inc. use.docx
(3 Points)
1.
The injection molding department of Alvec Inc. uses 40 pounds powder X a day. The plant operates 250 days per year. The daily usage of powder X is normally distributed with a standard deviation of 5 pounds per day. The lead time to obtain powder X from a supplier in 9 days. The annual holding cost is $2.00 per unit and the cost of ordering powder X is $50.
a)
What is Economic Order Quantity? ( 3 points)
2.
Refer to problem 1 and its solution. The injection molding department of Alvec Inc. uses 40 pounds powder X a day. The plant operates 250 days per year. The daily usage of powder X is normally distributed with a standard deviation of 5 pounds per day. The lead time to obtain powder X from a supplier in 9 days. The annual holding cost is $2.00 per unit and the cost of ordering powder X is $50.
a)
If a company has a service level goal is 99.4%. What is the expected pounds of shortage order cycle? (shortages are measured in terms of numbers of units) (2 points)
b)
Determine the order points for a service level of 99.4%. (4 Points)
3.
Draw the Activity-on-Arrow network diagrams for the following PERT problem. Use the minimum number of necessary “dummy” activities. (5 points)
Activity
Immediate Predecessor
A
-
B
-
C
A, B
D
B
E
C, D
4.
Given the demand of 3000 units and the following bill of materials for the item “A”, determine the low- level- code and the net requirements for all the items (A, B, C, D). (5 points)
Items
Current Inventory
Low- Level- Code
Net requirements
A
600
B
1800
C
20000
D
7200
5.
(12 Points) The following information is gathered for a project.
Activity
Activity Time ( Days)
Immediate Predecessor(s)
A
2
-
B
4
A
C
5
A
D
2
B
E
1
B
F
8
B, C
G
3
D, E
H
5
F
I
4
F
J
7
G, H, I
a)
Draw the network diagram using the AON (Activity on Node) Convention. (2 points)
b)
Determine the critical path, the amount of slack for each activity and the total completion time of the project. (7 Points)
Activity
ES
EF
LS
LF
Slack
CP
Critical Path:
Project Completion time:
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
1 0
9
8
7
6
5
4
3
2
1
T A S K
A
B
C
D
E
F
G
H
I
J
C) Prepare the earliest start schedule (Gantt chart). (3 points)
Question 8
An aegean sea fish market buys swordfish daily for $2.10 per pound and sells it for $3.60 per pound. at the end of each business day any remaining swordfish is sold to a cat food company for $1.20 per pound. Daily demand can be approximated by a normal distribution with a mean of 150 pounds and a standard deviation of 9 pounds.
a) Determine the.
3351905 ecc lab_manual_prepared by vhh
This document provides information and examples for estimating welding costs. It includes:
- Formulas for calculating the cost of welding electrodes, labor, power, overhead costs, and finishing/post-welding treatment.
- A table with standard data for electrode consumption, welding time and power consumption based on plate thickness.
- An example problem that calculates the welding cost for a lap joint between two 1m steel plates based on given data like current, voltage, welding speed, labor rates, and electrode consumption and cost.
- Practice exercises are provided to help learners calculate material weights, volumes and costs for different shapes and examples.
Mrp task 1
This document contains information to solve three problems related to material requirements planning (MRP). For the first problem, it is determined that producing 5 units of the end item A requires purchasing 5 units of item G, 30 units of item E, and 20 units of item D. For the second problem, it provides the master production schedule (MPS) for item A and develops the MRP for items B, C, and D to support this schedule over the next 8 weeks. For the third problem, it states the objective is to develop an MRP to yield 400 units of product P starting in week 7, given additional information.
Mrp task 1
This document contains information to solve three problems related to material requirements planning (MRP). For the first problem, it is determined that producing 5 units of the end item A requires purchasing 5 units of item G, 30 units of item E, and 20 units of item D. For the second problem, it provides the master production schedule (MPS) for item A and develops the MRP for items B, C, and D to support this schedule over the next 8 weeks. For the third problem, it states the objective is to develop an MRP to yield 400 units of product P starting in week 7, given additional information.
Mrpexercise 150427045220-conversion-gate01
The document provides information about MRP (Material Requirements Planning), including what it is, its characteristics, elements, formulas, and lot sizing techniques. It then presents two example problems involving constructing MRP tables based on given product structure, demand information, inventory levels, and lead times. The problems are solved by building out the product trees, determining gross requirements, availabilities, net requirements, and planned order releases at each level to satisfy demand.
Mrp exercise nº7
The document describes a materials requirements planning (MRP) exercise for a company that manufactures products X and Y. It includes:
1. The product structure and bill of materials showing the components needed to manufacture products X and Y.
2. The gross requirements for each product and component over a 7 week period as well as current on-hand inventory levels.
3. The net requirements plan calculating requirements for each component based on gross requirements, current inventory, and any external demands. Order quantities and receipts are planned to meet the net requirements.
Ch03pp
This document contains 5 practice problems related to project management. Problem 1 involves drawing a network diagram for a construction project. Problem 2 asks to identify the critical path given a time chart and network diagram. Problem 3 asks for the variance of the critical path found in Problem 2. Problem 4 involves calculating probabilities related to a project's expected completion time. Problem 5 asks questions about minimizing the time and costs for a software development project.
inventory control for construction
The document discusses inventory control and various inventory models. It describes the components of inventory costs, including purchase costs, order costs, holding costs, and unavailable costs. It then explains the economic order quantity (EOQ) model, which aims to minimize total inventory costs by balancing order and holding costs. The EOQ model and formulas for optimal order quantity, reorder cycle time, number of orders, and total costs are provided. Extensions of the EOQ model for quantity discounts and warehouse space constraints are also summarized.
MRP exercises
The document provides information on MRP (Material Requirements Planning), including its characteristics, elements, formulas, and lot sizing techniques. It then presents two example problems demonstrating how to construct a product tree, represent level codes, and develop a net material requirements plan. The problems show how to account for changes in demand and calculate planned order quantities using different techniques.
Brunswick motors, inc
1. Phil Harris, the Production Control Manager at Brunswick Motors, wants to illustrate time-phased requirements planning for scheduling engine assembly operations. He prepares a master schedule for the Model 1000 engine over the next 12 weeks.
2. Phil considers requirements for two components, the gear box and input shaft. The gear box requires 2 weeks to produce and the input shaft requires 3 weeks. Phil plans to use MRP worksheets and assumes 17 gear boxes and 40 input shafts are on hand initially.
3. Calculating schedules using lot-for-lot and least total cost lot sizing, Phil finds using least total cost results in lower total costs of $864 versus $1049 using lot-for-lot
BRUSNSWICK MOTORS, INC
1. Phil Harris, the Production Control Manager at Brunswick Motors, wants to illustrate time-phased requirements planning using an example with the company's Model 1000 engine. He prepares a master schedule for the engine over 12 weeks.
2. Phil considers two components for the engine, the gear box and input shaft. He includes their manufacturing lead times and product structure. The gear box takes 2 weeks to produce and the input shaft takes 3 weeks.
3. Phil plans to use MRP worksheets and make assumptions about starting inventory levels and scheduled deliveries for the gear box and input shaft. He will calculate net requirements and planned order releases using lot-for-lot ordering.
Brunswick motors, inc
1. Phil Harris, the Production Control Manager at Brunswick Motors, wants to illustrate time-phased requirements planning using an example with the company's Model 1000 engine. He prepares a master schedule for the engine over 12 weeks.
2. Phil considers two components for the engine, the gear box and input shaft. He includes their manufacturing lead times and product structure. The gear box takes 2 weeks to produce and the input shaft takes 3 weeks.
3. Phil plans to use MRP worksheets and make assumptions about starting inventory levels and scheduled deliveries for the gear box and input shaft. He will calculate net requirements and planned order releases using lot-for-lot ordering.
Network diagram problems
The document contains 5 practice problems related to project management:
1) Draw a network diagram for a construction project with 8 activities.
2) Find the critical path for a project with 5 activities and calculate the total variance.
3) Calculate the variance in completion time for the critical path.
4) Calculate probabilities for a project's completion time given its expected time and standard deviation.
5) Determine a software project's expected completion date, total normal cost, and cost to crash one activity by 1 week.
MATERIAL REQUIREMENTS PLANNING (MRP)
MRP System Structure (Input and Output)
Master Production Schedule (MPS)
Bill of Material (BOM)
Inventory Records File
MRP Terminology
MRP Explosion Process
MRP Management
MRP and JIT
Assignment on MRP Calculation
This document provides an example calculation of a material requirements planning (MRP) problem. It involves a bill of materials structure with multiple levels and items with varying lead times. The MRP calculation determines the planned order releases for each item based on the gross requirements, current inventory levels, and scheduled receipts to satisfy demand over an 8 week planning horizon. Tables show the MRP calculation for each item, listing the gross requirements, scheduled receipts, projected on-hand inventory, net requirements, and planned order receipts and releases by period.
Process costing manipal jaipur bba 3 semester
Here are the steps to prepare the Process 1 account using FIFO method considering the losses:
1. Calculate equivalent units (EUP)
- Opening WIP: 1000 units (60% complete) = 600 EUP
- Production: 20000 units
- Closing WIP: 3000 units (20% complete) = 600 EUP
- Total EUP = 21000 units
2. Calculate costs:
- Opening WIP costs: Materials $6000, Conversion $1200 = $7200
- Current period costs: Materials $30000, Conversion $52200 = $82200
- Total costs = $82200 + $7200 = $89400
3. Calculate cost per EUP:
Process costing explained
Process costing explained with examples free of cost .It is for students of managerial accounting ,read this to quickly go through process costing.
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OR_Presentation on muli item deterministic inventory model
1. The document discusses multi-item deterministic inventory models and their algorithms. It describes models with constraints such as total warehouse capacity, total inventory level, and total investment.
2. Lagrange multipliers are used to determine the optimal order quantities while satisfying the constraints. The partial derivatives of the Lagrange function are set to zero to find the optimal values.
3. Examples are provided to illustrate how to apply the models and algorithms to determine optimal order quantities for inventory items with different constraints.
Chapter no 8 EOQ
This document contains exercises and problems related to cost accounting concepts like economic order quantity, reorder point, safety stock, and ABC analysis. Exercise 8.1 provides production scheduling details. Exercise 8.2 calculates order quantities based on forecast demand. Other exercises calculate EOQ, carrying costs, order costs under different scenarios. Problems calculate optimal order size, number of production runs, economic order quantity, and reorder point considering usage patterns and costs.
0580 s11 qp_42
This document is a 16-page exam for the International General Certificate of Secondary Education in Mathematics. It contains 9 questions testing a range of math skills, including algebra, geometry, trigonometry, and statistics. Students are instructed to show working and give answers to an appropriate degree of accuracy. The exam is identified as Paper 4 (Extended) for the May/June 2011 session.
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(3 Points)1.The injection molding department of Alvec Inc. use.docx
(3 Points)1.The injection molding department of Alvec Inc. use.docx
OR_Presentation on muli item deterministic inventory model
OR_Presentation on muli item deterministic inventory model
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Process layout Q&A
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Inventory management Q&A
The document discusses inventory management concepts including economic order quantity (EOQ) and ABC analysis. It provides examples to calculate EOQ, total annual inventory costs, and optimal order size considering quantity discounts.
For a product with annual demand of 360 units, holding cost of $1 per unit, and order cost of $100, the EOQ is calculated as 120 units. Assuming a 300-day work year, 12 orders would be placed annually with an average time between orders of 25 days. The total annual inventory cost for this policy is $1,200.
For a firm producing 30,000 fire extinguishers annually requiring one handle each, the optimal production order quantity considering an annual carrying cost of $
Acceptance sampling Q&A
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variable non-confirming Q&A
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This document discusses sampling and provides an example of calculating the probability of acceptance for a double sampling plan. It defines sampling as selecting a representative part of a population to determine characteristics of the whole population. It then gives an example of calculating the probability of acceptance for a double sampling plan with a first sample of 100 items allowing 3 non-conforming and a second sample of 180 items allowing 4 non-conforming. The document provides the parameters and equations for calculating the probability of acceptance.
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
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【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(osu毕业证书)美国俄勒冈州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
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of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
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detection in smart grids. The proposed approach is a combination of the Convolutional Neural Network
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https://www.leewayhertz.com/generative-ai-use-cases-and-applications/
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Applications of artificial Intelligence in Mechanical Engineering.pdf
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
AI for Legal Research with applications, tools
AI applications in legal research include rapid document analysis, case law review, and statute interpretation. AI-powered tools can sift through vast legal databases to find relevant precedents and citations, enhancing research accuracy and speed. They assist in legal writing by drafting and proofreading documents. Predictive analytics help foresee case outcomes based on historical data, aiding in strategic decision-making. AI also automates routine tasks like contract review and due diligence, freeing up lawyers to focus on complex legal issues. These applications make legal research more efficient, cost-effective, and accessible.
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Material requirement planning Q&A
- 1. MATERIAL REQUIREMENT PLANNING Prepared by Mahmoud Eltaweel 1
- 2. What is MRP ■ Material requirements planning (MRP) is a production planning, scheduling, and inventory control system used to manage manufacturing processes. ■ It is a material control system that attempts to keep adequate inventory levels ■ It is to assure that required materials are available wheen needed 2
- 3. Question 1 The following structure tree indicates the components needed to assemble one unit of product “W”. Determine the quantities of each component needed to assemble 100 units of W. 3 W A (1) 9 B (2) C(4) D(2) E E(2) F D (3) G(2) D
- 4. Item Quantity per 1 Quantity per 1 Quantity per 100 W 1 1 100 A 1 1 100 B 2 2 200 C 4 4 400 D (2*1)+(4*3)+(1*2*4) 22 2200 E (1*1)+(2*2) 5 500 F (1*2) 2 200 G (2*4) 8 800 4 W 100 A 100 B (2*100) C(4*100) D(2*100) E (1*100) E(2*200) F(200) D (3*400) G(2*400) D (800)
- 5. Question 2 The following table lists the components needed to assemble an end item, lead times, and quantities on hand. ■ If 20 units of the end items are to be assembled, how many additional units of E are needed? ■ An order for the end item is scheduled to be shipped at the start of week 11. What is the latest week that an order can be started and still be ready to ship on time ■ Draw an assembly time chart for the process 5 Item End B C D E F G H LT (week) 1 2 3 3 1 2 1 2 Amount on hand 0 10 10 25 12 30 5 0 End Items B (2) C D E(2) F(3) G(2) E(2) H(4) E(2) (3)
- 6. 6 Item Gross Requirements – On Hand = Net Requirements End Item 20 – 0 = 20 Item Gross Requirements – On Hand = Net Requirements B (20 * 2) = 40 – 10 = 30 C (20 * 1) = 20 – 10 = 10 D (20 * 3) = 60 – 25 = 35 Item Gross Requirements – On Hand = Net Requirements E [(30 B * 2) + (10 C * 2) + (35 D * 2)] = 150 – 12 = 138 If 20 units of the end item are to be assembled, how many additional units of E are needed? Step 1: Determine the gross requirements and the net requirements for the End Item: Step 2: Determine the gross requirements and the net requirements for B, C, & D. Multiply the net requirements for the end item by the usage quantities of B, C, & D to determine the gross requirements for B, C, & D. Step 3: Determine the gross requirements and net requirements for E. Multiply the net requirements for B, C, & D by the usage quantities of E to determine gross requirements for E
- 7. To solve this, we need to determine the longest sequence through the product structure tree moving from the end item down to the lowest items. The lead time for each item is indicated in bold to the left of each item in the product structure tree shown below. B) An order for the end item is scheduled to be shipped at the start of week 11. What is the latest week that an order can be started and still be ready to ship on time End Items B (2) C D E(2) F(3) G(2) E(2) H(4) E(2) Item End B C D E F G H LT (week) 1 2 3 3 1 2 1 2 The longest sequence is 6 weeks (End Item – D – H). 11 – 6 weeks = start of week 5. 1 wk 2 wk 3 wk 3 wk 1 wk 2 wk 1 wk 1 wk 1 wk2 wk Total LT = 4 wk 5 wk 5 wk 5 wk 6 wk 5 wk (3)
- 8. 8 E B F E C END ITEM G H D E Wk 1 Wk 2 Wk 3 Wk 4 Wk 5 Wk 6 Wk 7 Wk 8 Wk 9 Wk 10 Wk 11 Wk 12 Draw an assembly time chart for the process
- 9. Question 3 Eighty units of end item E are needed at the beginning of week 6 . Three cases (30 units per case) of J have been ordered and one case is scheduled to arrive in week 3, one in week 4 and one in week 5. Note: J must be ordered by the case and B must be produced in multiple of 120 units. There are 60 units of B and 20 units of J now on hand. Lead times are two weeks for E and B, and one week for J a) A prepare material requirement plan for product J 9
- 10. 10 MRP Schedule Item E Item Begin Invento ry Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Gross requirement 80 Scheduled receipts Projected on hand Net Requirements 80 Planned order receipts 80 Planned order release 80 Item Quantity per 1 Quantity per 80 E 1 80 B 2 160 J 3+(4*2) =11 880 F 2*2 =4 320
- 11. 11 MRP Schedule Item B Item Begin Inventory Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Gross requirement 160 Scheduled receipts Projected on hand 60 60 60 60 Net Requirements 100 Planned order receipts 120 Planned order release 120
- 12. 12 MRP Schedule Item J Item Begin Invento ry Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Gross requirement 480 240 Scheduled receipts 30 30 30 Projected on hand 20 20 30 60 30 Net Requirements 460 180 Planned order receipts 480 180 Planned order release 480 180 I need 80 from E at week 4 and 120 from B at week 2 One B requires 4 Js One E requires 3 Js