Holes, Threaded Blind
This Cost Model (CM) is normally used for Prismatic and Cylindrical Type Parts.
User Input
1. Select the "Thread Size" needed.
2. Enter the "Thread (Tap) Depth"
3. Enter the "Number of Holes"
The program will calculate the Spot Drill Size, Drill Size, Drill Depth and Tap Time based on the speeds and feeds residing in the database for the material selected.
The final time includes spot drilling, drilling and taping of the hole(s). Allowance for the approach of the tools is also included.
A "Blind Threaded" Hole is a tapped hole whereby the drill does not go thru the part. The drill depth is based on the lead of the tap.
Tapping is essentially the internal threading of a hole. This may be achieved by using a CNC machine to do the tapping.
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