Engineering BOM vs. Assemblage BOM

(1)

Engineering BOM vs. Assemblage BOM

(2)

Problems during manufacturing

(3)

Problems during manufacturing

(4)

Example

(5)

History

(6)

ERP

PLM

Multiple BOM’s

Current way of working

Assembly B

Product A

Item C

Item D

Item E

Product A

Item C

Item D

Item E

Item F

Flattening structure

Additional items

(oil, glue)

eBOM

mBOM

(7)

BOM Management - General Concept

There is not only one view to a product;

Different disciplines will look differently to products and their describing information

A summary of these views are :

As-Specified

As-Designed

As-to-be-Manufactured

As-Planned

As-Manufactured

As not all views are used by the same disciplines, not all views are therefore created,

maintained and used within the same systems.

(8)

Best Practices for

Data Authoring and Information Flows

• PLM

• Parts

• eBOM / mBOM

• Documents

• Process BOM

• Instructions

ERP

• Cost

• Inventory

• Schedule

• Quantity

MES

• Transactions

• Material Moves

• Completion

• Dates/Operator

Parts and mBOM

Work Orders

Order BOM

Progress/Results

Parts, mBOM

Process BOM

Process Feedback

Standard Costs

What and How

When and How Many

Who and Where

As-Designed

As-to-be-Manufactured

As-Manufactured

(9)

BOM Management - Business Requirements

The As-Designed (eBOM) and As-to-be-Manufactured (mBOM) views do not necessarily have to be the same.

Main reasons for eBOM / mBOM differences are:

Removal of (sub) assemblies that do not exist in the physical world.

Addition of non-design items which are needed for manufacturing the product

Therefore :

Manufacturing Engineers must be able edit the mBOM for restructuring purposes (Manufacturing Kits).

Manufacturing Engineers must be able edit the mBOM to add unique manufacturing content

(non-design items, Consumables) etc'.

mBOM updates should not modify the eBOM structure.

Manufacturing Engineers should control the mBOM update process.

Changes must be accorded, recorded and maintained

(10)

Chosen Solution for Customer X

According to the Best Practices from the field…

eBOM and mBOM shall be separate item structures

Manufacturing Engineers shall have read privileges

on the eBOM and write privileges on the mBOM

Modifications to the eBOM and mBOM structures

shall be done using Change Procedures

(11)

ERP

PLM

Multiple BOM’s

Linking eBOM mBOM

Assembly B

Product A

Item C

Item D

Item E

Product A

Item C

Item D

Item E

Item F

Product A

Item C

Item D

Item E

Item F

VALUE:

No missing parts in

mBOM

(12)

Multiple BOM’s

Adding value with the BOP

PLM

Assembly B

Product A

Item C

Item D

Item E

Product A

Item C

Item D

Item E

Item F

ERP

VALUE:

No missing parts in

BOP

Speed up

production start-up

Virtual commissioning

MES

Item C

Item E

Item D

Item F

P1

P2

Product A

R1

R3

R2

R4

W1

W2

mBOM

eBOM

BOP

(13)

Multiple BOM’s

PLM ERP view

PLM

(Teamcenter)

ERP

(SAP)

Plan

Product

Portfolio

Mgmt.

Define

Realize

Commer

-cialize /

Operate

Phase out

Make

Deliver

M

E

S

Manufacturing

Execution

System (MES)

Plan

Source

Global footprint planning

Investment planning

Make or Buy

_{Ramp up}

-End of life/spare parts

As build

Change requests

Design for manufacturing

EBOM

MBOM

(14)

PLM Value Enhancement - (Multi-) Structure Management

(15)

Assembly Manufacturing & Quality Solutions

Right synchronization

across product

engineering, manufacturing engineering,

and production

Right ingenuity

to create leaner, more

efficient processes

Right insight

into the real-world

performance of plans

Right control

of quality and

production operations

(16)

Multiple BOM’s

A small scenario

Linking EBOM-MBOM

Assign Parts MBOM

Check completeness

1

2

3 Link structures

Template process from classification

Add process (BOP)

4

(17)

(18)

Methods For delivering mfg. information to the shop floor

Teamcenter Mfg. Documentation

Adobe 3D PDF

Work

Instruction

Editor

Standard Text WYSIWYG

Teamcenter Mfg. Report

(19)

(20)

What do other customers do!

Engineer to Order

Configure to Order

(21)

Benefits Summary

Removes silos and

increases team

productivity

Reduce errors providing

increased visibility into the

product lifecycle

Manage, relate and

consolidate product and

Joint Strike Fighter. With 6500

users, Lockheed is currently

managing the “As-Designed,”

“Manufacturing” or “As-Planned,”

and “As-Built” bill of materials

inside of Teamcenter.

BOM Synchronisation

(22)

Smarter decisions, better products.