Bills of material in SAP ( BOM ) Tutorial

Bills of material in SAP is a formally structured list of the components that make up a product or assembly. It is shortly known as BOM. The BOM list contains the object number of each component, together with the quantity and unit of measure. BOMs are used in their different forms in various situations where a finished product is assembled from several component parts or materials in SAP.

Contents of this Bills of material in SAP ( BOM ) Tutorial

BOMs (PP-BD-BOM)………….12
Bills of Material in Production Planning…… 13
How are Bills of Material Used in PP?……… 14
Single-Level BOMs …. 15
Assemblies……………. 16
Authorization Objects …………….. 18
Authorization Checks: Example. 20
General Authorization Object for Processing BOMs… 21
Authorization Object for BOM Plant ………… 22
Authorization to Process BOM Without Change Number …………. 23
Authorization Object for Mass Changes ….. 24
Authorization Object for Variable Lists ……. 25
BOM Categories……… 26
Effectivity. 29
Area of Validity……….. 30
Validity Period………… 33
Using Parameters to Define Effectivity ……. 35
Technical Types……… 36
Which Technical Types Exist? … 37
When do I Create a Variant BOM? …………… 38
When do I Create a Multiple BOM?………….. 40
BOM Usage……………. 41
BOM Usage as a Special View on a BOM…. 42
Defining the Item Status with the BOM Usage………….. 44
BOM Usage and Material Type … 46
Structure of a BOM…. 47
BOM Header …………… 48
Data Used to Identify a BOM…. 49
Header Detail Screen: Quantity/Long Text. 51
Header Detail Screen: Additional Data……. 54
Header Detail Screen: Administrative Data 55
Document Assignments………… 56
BOM Items  58
Item Data Relevant to All Items 59
Item Data Relevant to Material Items ……… 61
Item Data Relevant to Document Items ….. 62
Item Data Relevant to Class Items…………. 63
Sub-Items. 65
Material BOM Browser ……………. 66
Navigation in the Material BOM Browser …. 67
Calling up the Browser……………. 69
Variable Display Depth……………. 71
Enhancements to the SAP Systems in the Area of PLM …………… 73
Enhancements in Document Management . 76
Enhancements using Customer Exits (Document) …… 77
Finding Recipient Lists (EXIT_SAPLCVV1_001)…. 79
Screen: Basic Data for Maintaining Documents ….. 80
Screen: Recipient Lists (EXIT_SAPLCVV1_002) … 81
Determine Original Application File (EXIT_SAPLCVV1_003)… 84
Document Part and Version (EXIT_SAPLCVV1_004)………….. 86
Create Distribution Order (EXIT_SAPLCVV2_001)  87
Check Part Order (EXIT_SAPLCVV2_002) ………… 88
Create Initial Order (EXIT_SAPLCVV2_003)………. 89
Determine Context (EXIT_SAPLCVV5_001) ………. 90
ITS Access (EXIT_SAPLCVVW_001)… 92
Determining the Application (EXIT_SAPLCVV1_005) ………….. 93
Enhancements using Business Add-Ins (Document)… 94
Checking Authorization from the Document Management Systems ………. 96
Processing of Original Application Files 97
General Document Processing …………. 99
General Document Processing (II)…… 100
Status checks .. 101
Transport of Original Application Files  102
Checking the Attributes of the Document Key …… 103
Filter for DMS processes… 104
Enhancements for Internet Scenarios. 105
Enhancements for Microsoft Office integration ….. 106
Enhancements using User Exits (Document) ………… 107
Enhancements Using Customer Exits (Material Master)…………. 109
Enhancements in the Area Engineering Change Management .. 111
Enhancements in BOMs………… 113
Enhancements Using Customer Exits (BOMs) ………. 114
Enhancements using Business Transaction Events (BOMs)……. 116
Update of a BOM (CS000010) ………… 117
Enhancements in the Classification System ………….. 118
Enhancements in Variant Configuration … 120
Archiving  123
Features of an Item Category … 124
Item Categories in the Standard R/3 System………….. 125
Item Categories for Material Items…………. 127
Stock Items………….. 128
Non-Stock Items …… 129
Variable-Size Items.. 130
PM Structure Elements …………. 131
Intra Materials ………. 132
Document Item……… 133
Class Items………….. 134
Text Items …………….. 136
Entering BOM Items  137
Tab Page in the Item Detail Screen………… 138
Basic data……………. 139
Identifying BOM Items ………… 140
Entering the Same Item ID for Different Items ……….. 141
Classification Data 142
Entering Data as a Selection Condition ……………. 144
Quantity Data…….. 145
Quantity and Unit of Measure …………. 146
Fixed Quantity . 148
Maintaining Quantity Data. 149
Scrap Data …… 150
Assembly Scrap ……….. 151
Assembly Scrap: Example…….. 152
Maintaining Assembly Scrap …. 153
Exclude Assembly Scrap ………. 154
Component Scrap …….. 155
Component Scrap: Example….. 156
Maintaining Component Scrap in the BOM  157
Maintaining Component Scrap in the Material………….. 158
Operation Scrap ……….. 159
Operation Scrap: Example…….. 160
Maintaining Operation Scrap …. 161
General Data …….. 162
Co-Products …. 163
Recursiveness Check ……. 164
Allowing Recursiveness …. 166
Alternative Items in an Alternative Item Group ….. 167
Data for Alternative Items ………….. 168
Strategy: Example…….. 169
Maintaining Alternative Items……… 170
Discontinuation 171
Discontinuation Data …. 173
Examples of Discontinuation………. 175
Maintaining Discontinuation Data .. 176
MRP Data …………. 177
Entering a Lead-Time Offset …………… 178
Entering a Lead-Time Offset for an Operation…… 181
Distribution Key …………….. 182
Special Procurement Key.. 183
Explosion Types ……………. 185
Switching Off the Phantom Assembly………….. 186
Switching Off Planning . 188
Switching Off Direct Production (Collective Order)………… 189
Long-Term Planning….. 190
Individual/Collective Requirements for Dependent Requirements …… 191
Maintaining MRP Data …… 192
Status/Long Text…… 193
Item Status ……….. 194
Additional Data for the Item …. 196
Item Text…………… 199
PM Assemblies….. 200
Administrative Data . 201
Variable-Size Item Data …………. 202
Purchasing Data …… 204
Document Assignments………… 206
Detail Screens for a Class Item  208
Class Data ………… 209
Class Recursiveness ………….. 211
Before You Create a Simple Material BOM …………….. 213
User-Specific Settings…………… 214
Defining User-Specific Settings in the BOM Menu …. 215
Defining Default Values as SET/GET Parameters …… 217
Steps in Creating a Simple Material BOM. 218
Maintaining the Create Material BOM Initial Screen .. 219
Creating New Items . 221
Before You Create New Items 222
Creating Material Items ………. 224
Entering Document Items……. 225
Entering Class Items ………….. 226
Adding Items to a BOM…………. 227
Exiting the Item Entry Function …………….. 228
Extending Item Data  229
Entering Sub-Items.. 230
Checking and Saving Data…….. 232
Other Maintenance Functions .. 233
Assignment to an Operation….. 234
Allocating a Component to an Operation . 236
Classifying an Item.. 237
Maintaining Header Data……….. 239
Defining the Technical Type… 240
Creating a Material BOM for Additional Usages……… 241
Creating a Material BOM with an Existing BOM……… 243
Creating a BOM by Copying an Existing BOM with a Different Usage …….. 245
Plant Allocations…… 246
Creating a Plant Allocation……. 247
Changing a Plant Allocation….. 249
Displaying a Plant Allocation … 250
Displaying a Material BOM ……. 251
Before You Display Your BOM. 252
Validity Period………. 253
Required Quantity…. 254
Steps for Displaying a Simple Material BOM………….. 256
Maintaining the …….. 257
Displaying Component Master Data ………. 258
Displaying a Material …………….. 259
Displaying a Document…………. 260
Displaying a Class … 262
Displaying Item Data …………….. 263
Displaying Effectivity Data for Items ……… 264
Filtering Items ………. 265
Filtering Items According to Effectivity….. 267
Sorting Items………… 268
Displaying Header Data…………. 270
Displaying the Validity Data on the Initial Screen …… 271
Displaying Long Texts ………….. 272
Displaying an Assembly ……….. 273
Other Display Functions ……….. 274
Displaying Discontinuation Data …………… 275
Displaying Allocations to Operations…….. 276
Displaying Classification Data . 277
Displaying Revision Levels …… 278
Working with Configurable BOMs …………. 279
Creating a Variant BOM ………… 280
Before You Create Your BOM… 281
Steps for Creating a Variant BOM………….. 283
Maintaining the Initial Screen for Creating a Variant BOM………. 284
Selecting a Variant BOM to Copy…………… 286
Copying Data from an Existing Variant ….. 287
Maintaining and Saving Variant BOM Data…………….. 288
Options for Changing Variant BOMs……… 289
Changing one Variant BOM…… 290
Options for Displaying Variant BOMs ……. 291
Displaying One Variant BOM…. 292
Creating a Multiple BOM……….. 293
Before You Create Your BOM… 294
Steps to Creating a Multiple BOM………….. 296
Initial Screen for Creating a Multiple BOM 297
Copying an Existing BOM……… 299
Copying Items from the Existing BOM…… 300
Maintaining and Saving Multiple BOM Data……………. 301
Options for Changing a Multiple BOM……. 302
Changing one Alternative in a Multiple BOM………….. 303
Options for Displaying a Multiple BOM….. 304
Displaying one Alternative in a Multiple BOM………… 305
Displaying an Alternative from the Alternative Overview ……….. 306
BOM Changes in the SAP R/3 System……. 307
Changes Without History………. 308
History Requirement for BOMs  309
Engineering Change Management for BOM Changes …………….. 310
Transaction Processing Using an ECR….. 311
Change Master Records………… 312
Object Management Records and BOM List…………… 313
Revision Levels…….. 315
Before You Change a BOM……. 317
Changing a Material BOM……… 318
Steps for Changing a BOM……. 319
Change Material BOM Initial Screen ………. 320
Maintaining Item Data……………. 322
Changing Items on the Item Overview ….. 323
Changing Item Data on a Detail Screen… 325
Creating New Items……………. 327
Deleting Items……. 328
Entering Sub-Items.. 329
Deleting Subitems … 331
Changing a BOM Header……….. 332
Changing Classification Data… 334
Maintaining the Revision Level  335
Assigning a Revision Level to a Material.. 336
Changing a Revision Level….. 337
Displaying a Revision Level…. 338
Changing an Operation Allocation ………… 339
Changing a Variant BOM – Special Points. 341
Changing a Multiple BOM – Special Points …………….. 342
Deleting a Material BOM ……….. 343
Carrying Out the Delete Function ………….. 344
Mass Changes………. 346
Starting a Mass Change………… 348
Executing Mass Changes ……… 350
Reading the Log for Mass Changes ………. 352
BOM Reporting Functions …….. 353
User-Specific Settings for BOM Reporting …………….. 354
Display Profile for Lists…………. 355
Standard Profiles for Reporting Lists…….. 357
Maintaining a New List Profile  358
Creating a New List Profile….. 359
Displaying the Standard Profile (Display Blocks) ……. 360
Display Blocks: Example …….. 362
Creating Display Blocks for the New Profile…………… 363
Processing New Display Blocks …………… 364
Checking a New Profile ………. 365
Entering User Defaults for a List Profile … 366
Program Names for Reporting Functions. 367
Printing Reporting Lists………… 368
BOM Explosion …….. 369
Alternative Determination Using the Application …….. 370
Defining an Application……….. 371
Selecting a BOM for the Explosion……….. 373
Entering Effectivity Parameters ……………. 374
Selection Criteria for BOM Explosion ……. 376
Defining a View for BOM Explosion …. 377
Restricting the View for BOM Explosion …………… 380
Extending the Views for BOM explosions …………. 383
BOM Explosion Level by Level…………….. 385
Displaying a Multi-Level BOM Explosion.. 387
Displaying a Summarized BOM …………… 389
Additional BOM Explosion Functions ……. 390
Displaying Item Data from a BOM Explosion…….. 391
Displaying Master Record Detail Data  392
Displaying a Where-Used List from a BOM Explosion………… 393
Displaying a Multi-Level BOM in Graphical Form . 394
When is a Material BOM Not Exploded?.. 396
When is a BOM Explosion Terminated? .. 397
Where-Used List …… 398
Defining a Where-Used List on the Initial Screen …… 399
Selection Criteria for the Where-Used List …………….. 401
Defining a View for a Where-Used List …………….. 402
Restricting the View for a Where-Used List ………. 404
Extending the View for a Where-Used List ……….. 405
Where-Used List for a Material…………….. 406
Where-Used List for a Document …………. 407
Where-Used List for a Class .. 408
Exception Messages for a Where-Used List ………….. 409
Additional Functions for a Where-Used List…………… 410
Displaying Item Data from a Where-Used List…… 411
Displaying Detail Data from a Where-Used List…. 412
Displaying a Where-Used List from a Where-Used List………. 413
BOM Comparison …. 414
BOMs for a BOM Comparison 415
Settings for a BOM Comparison…………… 416
Executing a BOM Comparison …………….. 418
Understanding the BOM Comparison Result …………. 419
Displaying Change Documents 421
Displaying Change Documents from the Main Menu  422
Displaying Change Documents from the BOM……….. 424
Setting up BOM Groups………… 425
Hints on Changing a BOM Group ………….. 427
Changing BOM Groups…………. 428
Displaying a BOM Group ………. 430
Before You Display a BOM Group ……….. 431
Maintaining the for Display BOM Group Initial Screen…………….. 432
Displaying a Summarized BOM Group …. 433

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