Advantages and Benefits of using Cold Finished Bright Bars - Page 2

2. Dimensional Accuracy: A cold drawn and/or turned, ground and polished bar offers more precise and consistent cross-section geometries, straightness and bar-end conditions, which can:

  1. Reduce or eliminate machining.
  2. Reduce the whip and resulting vibration during machining
  3. Reduce strain on collets, pusher and fingers during machining
  4. Ease machine loading
  5. Reduce machine adjustments for size variability
  6. Improve work-holding and fixturing compatibility
  7. Provide nearer net shape
  8. Reduce scrap and yield loss during manufacture

  Bar Diameter
  2 in. 1-63/64 in.
Unit weight, lb. 17.80 17.20
Work standard, pieces per hr. 10 17
Material, lb. (300 pieces) 5340 5160
  Costs
Material 66.5 67.0
Labor 30.1 17.8
Tool 3.4 2.7
Total Cost 100.0 87.5
Savings using 1-63/64 in. diameter   12.5%

(Costs are expressed as a percentage of the total cost when using 2 in. diameter bar.)

Cost comparison for fabricating a spindle from two different sizes of 1117 cold finished steel stock.

Size Range About Bright Bars
Advantage of Bright Bars
( #1, #2, #3 )
Applications
Related Processes
Condition		 Steel Grades

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