Problemas Planeacion

1.

Consider the following bill of materials. Fifty units of Product A are needed. Assuming
no on-hand inventory, and no scheduled receipts,explode the bill of materials.

A

B(2)

D
2.

C(3)

D

E(2)

The large parts of a playground A-frame (from which to hang aswing or glider) consist
of a ridge pole, four legs, and two side braces. Each pair of legs fastens to the ridge with
one fastener set. Each sidebrace requires two fastener sets for attachment to the legs.
Each fastener set includes one zinc-plated bolt, one lock-washer, and one nut.There is one order outstanding, to make 80 frame kits. There are 200 legs in inventory.
There are no other large items in inventory, and noscheduled receipts. Fasteners are
available from the small parts area.
a. Draw the product structure tree
b. Calculate the net requirements tofulfill the outstanding order.

3.

A very simple product (A) consists of a base (B) and a casting (C). The base consists of a
plate (P) andthree fasteners (F). There are currently 30 castings and 100 bases on hand.
Final assembly takes one week. The casting has a lead time of threeweeks. All other
parts have one week lead times. There are no scheduled receipts. All components are lot
for lot. The MPS requires 80 units ofproduct A in week 5 and 120 in week 8. Produce the
MRP for the upcoming eight weeks. Produce a list of all planned order releases.