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Method for Cost Estimation of die tools for manufacture of car body.
2

Method for Cost Estimation of die tools for manufacture of car body.

Method for Cost Estimation of die tools for manufacture of car body.

(OP)
I am working on a project to provide an estmation of the costs for die tools that are needed for the manufacture of the car body panels.I am also looking for a method to understand the complexity of these dies so that a reflection of this is seen in the costs as well.

RE: Method for Cost Estimation of die tools for manufacture of car body.

Until and unless you mention which body panel you need to press, it is difficult to say how much it will cost you.

For example

Door inner  for CAR body panel  may require  following dies

1 - Blank Die

2 - Draw Die

3 - Trim Die

4 - Restrike Die

5 -  Pierce  Die

6 - hemming Die

Die number  3 -5 May contain other operations like

Flange , Plunge , Pierce operations in them

For producing big panels like  Body side ,  Crash member, Floor , Rear Qtr. panel.   you require complex design

If you can give the details of  panels and some ref. pics

It will be possible to estimate the cost.

Suren






RE: Method for Cost Estimation of die tools for manufacture of car body.

I am working on a project to provide an estmation of the costs for die tools that are needed for the manufacture of the cooking grill parts.

The component shape is of the form of a rectangular box with incline sides. I have assumed the primary fabrication process to be Drawing operation and Punching & trimming as seconadary operations.

I have slected a power press of capacity 30 tons for aluminium 30003 sheet.

I am in great need to determine the cost estimations of dies for the ones mentioned above.

It be great if anyone could help me in this regard.

Thanks,
Vijay Villavan

RE: Method for Cost Estimation of die tools for manufacture of car body.

sajin360,

You should be interested in searching for information on Technical Cost Modeling. This methodology was developed at MIT (http://msl1.mit.edu/mib/dsp/curricula.mit.edu/~dsplan/D...) and successfully commercialized for studies in Automotive, Construction, Electronics, and other industries by IBIS Associates (www.ibisassociates.com).

Introduction to Technical Cost Modeling Concepts and Illustrations (http://msl1.mit.edu/mib/dsp/curricula.mit.edu/~dsplan/D...)

Many studies have been conducted by using this methodology to study the costs of stamping dies.

Best regards,

Matthew Ian Loew
"Luck is the residue of design."
Branch Rickey


Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

RE: Method for Cost Estimation of die tools for manufacture of car body.

Here is a list of SAE International (www.sae.org) Technical Papers that address this methodology for your application:
982399 Economic Analysis of the Ultra Light Steel Auto Body
981004 The Steel Unibody: the Application of Cost Analysis to Determine Cost Reduction Strategies
2001-01-3045 Economic Analysis of Two Different Door Architectures
910889 Economic Criteria for Sensible Selection of Body Panel Materials
2001-01-0076 Ulsac - Lightweight Steel Automotive Closures
2001-01-3116 Advanced High-Strength Steels and Hydroforming Reduce Mass and Improve Dent Resistance of Lightweight Doors in Ultralight Steel Auto Closures Project
1999-01-3183 The Selection of Pre-Process Steps for Body Structure Hydroformed Components
2002-01-1938 Collaborative Development of Lightweight Metal and Alloys for Automotive Applications
2002-01-0391 An Ultra-Light Thin Sliding Door Design--A Multi-Product Multi-Material Solution

Best regards,

Matthew Ian Loew
"Luck is the residue of design."
Branch Rickey


Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

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