Week 1:- Introduction to BiW and Fixtures Challenge

1.BIW - Body in White 

The Method Car body sheet metal panels merged in welding Fixture designs purpose.and joined parts 

BIW Parts  One car Manufacturing assembly main and all parts welded and join method.... make parts standard part bought out parts assembled one fixture designs improved

BIW PARTS 

Make parts - Make Parts means new design and manufacturing and 2D detailing updates.

Standard parts - Standard parts means Customer standard library stock in Regular rotating Parts and all fixture used parts ... 

Bought out parts - Bought out parts which are ready available in order catalogue.. exp .. Pneumatic, screw, bolt , Magnetic items

Alter Purchase parts These are standard or bought out parts which stock nill or material change the design requirements.. so after Machining or welded add . Methods 

2.BIW Nomenclature

BIW means Car Manufacturing Fixture Designs...

Section by section Assembly purpose used Fixture designs Methods

BIW tools 

Fixtures 

Guns ...used for only one Manufacturing Designs

3.Fixtures 

 Fixtures means all parts joined and welded methods used only ... car panels under bodys and doors and roofs welded purpose only used ....

Types: 

Production Fixtures 

Pre Production Fixtures

Inspection Fixtures 

4.Basic Principle Fixture Designs 

The Major portion of design time is spent deciding how to locate the workpieces... 

Mostly Used 12 degrees of freedom in workpieces

XYZ 

+/- X Axis clock or anticlock wise direction

+/- Y Axis clock or anticlock wise direction

 +/- Z Axis clock or anticlock wise direction

5.Types of Stations

Assembly lines Each panels categories will welded purpose... many zone created... body side zone ,hood zone, fender zone , doors zone... etc..

1.Tools

 1.Geo tool

 2 .Re spot tool

 3.Marriage tool

 4.Framer tool.

2. Grippers

 1.Material handling gripper

 2. Process Gripper

 3.Combo Gripper 

3. Stands

 1.Pedestal stand 

  2. Gluing Stand 

  3.Docking Stand.

4. Miscellaneous 

 1.Pallets

 2. Buffer stand 

 3.curing

 4 .Racks

6.Basic Terminologies 

PLP - Principle Locating Points

TNLP - Tool Nominal Locating Pin

BCS - Body Coordinate system

COL - Centre O Line

EOAT - End of Arm tooling

U/D - Up Down

F/A - fore After