made, or a mild steel clamping jig (see149 HOW AN AEROPLANE IS BUILTFig. 25), which holds the socket-endfirmly, whilst the fork-ends project up-wards. Possibly it may be advantageousto mill about three fork-ends at once, andthe jig can be made accordingly if desired. The next thing to do is to set… … X MILLING MACHINE TABLE 5ki0 fork in jig .Fig. 25. They can be set.up so that they mill theoutside faces of the fork, and so there will,of course, be a fixed overall dimension.The distance apart of the cutters must bemaintained by collars placed between thecutters on the spindle, and well…
Airplanes
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