Machining Solutions Aluminium cover

Machining Solutions 1

Aluminium cover

Problem:

To drill #3, Ø5mm holes @ `A'.

Drill & Tap #1 hole 1/8” NPT @ 5 degrees `B'.

Drill #1 hole Ø2 @ 17.5 degrees `C'

	Previous cycle time: 2.85 minutes each across #3 fixtures and #4 drilling machines

Total per 7 hour effective shift = 150 articles

Component

Solution:

On a HAAS VF-0E with an HRT210 rotary table

#1 dedicated cube.

#1 Brew-Eng ART210 `A' frame

Quantity per cycle: #36 articles @ #9 articles per face.

Cycle time, 23.5 minutes, load/unload time 7.5 minutes.

31 minutes for 36 articles = 0.86 minutes each

Total per 7 hour effective shift = 487 articles

General arrangement showing HAAS machining pocket.

Clamping detail.

Simple finger clamps were deemed as the most appropriate for this application with the addition of a clamp stop to avoid over swing when loading/unloading.
The cycle time for the HAAS machining is on standard tooling, after installation carbide tooling was purchased and is now in use reducing the cycle time dramatically.

mailto:breweng4@netscapeonline.co.uk

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