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MATERIAL REQUIREMENT PLANNING (2. OBJECTIVES (:check: Ensure the…
MATERIAL REQUIREMENT PLANNING
1. DEFINITION
:pencil2: MRP is
production planning
and
inventory control
:pencil2: MRP also is
first software based integrated information systems
designed
to improve productivity for businesses
. A materials requirement planning (MRP) information system is a sales forecast-based system used to schedule raw material deliveries and quantities, given assumptions of machine and labor units required to fulfill a sales forecast.
:pencil2: Then,
integrates data from production schedules
with that from inventory and the
bill of materials (BOM)
to calculate purchasing and shipping schedules for the parts or components
required to build a product.
2. OBJECTIVES
:check: Ensure the availability materials, components and products for planned production and for customer delivery.
:check: Plan activities such manufacturing, delivery schedules and purchasing
:check: Maintain the lowest possible level of inventory
:check: Ensure planning of all manufacturing processes, this scheduling of different job works as to minimize or remove any kind of idle time for machine and workers.
:check: Ensure right quantity of material is available at the right time to produce right quantity of final products.
3. TERMS IN MRP
i. Inventory
:red_flag: Order the right part
:red_flag: Order the right quantity
:red_flag: Order at the right time
ii. Capacity
:black_flag: Plan for a complete load
:black_flag: Plan for an accurate load
:black_flag: Plan for an adequate time to
view future load
iii. Priority
:checkered_flag: Order with the right due
date
:checkered_flag: Keep the due date valid
5. CHALLENGES
:rose: Answered in the quantity of demanded, quantity supplied, timing of demand and timing of supply.
:rose: MRP applied in a rolling horizon basis as customer order form up and for customer come better. Next, an new MPS is feat MRP to produced updated planned order. There are maybe very different. Small changes in MPS can cause large changes in the planned order.
4. TYPES OF MRP SYSTEMS
2. Bills of Materials (BOM)
:star: Contain information on every item or assembly required to produce end items
:star: Information on each item such as part number, description, quantity per assembly, next higher assembly, lead times and quantity per end item must be available
3. Inventory Status Record
:fire: Contain the status of all items in inventory including on hand inventory and scheduled receipts.
1. Master Production Schedule (MPS)
:explode: The demand for end items is scheduled over a number of time periods and recorded on a MPS.
:explode: MPS is developed from forecasts and firm customer orders for end items, safety stock requirements and internal orders