Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 48
for gasolene engines and the like, a few Lathes and Lathe Work 45 more remarks may be justified. To test whether, at thebeginning, the bar and the work are central, we mayreplace the cutting tool in the bar by a piece of wire.We run the carriage back and forth and rotate the bar,all by hand, and… … Fig. 24—How a thread-cutting tool should be mounted making the finishing cut, we should use an almost micro-scopic feed in order not to spring the bar. Further, thefinal cut should be taken at one operation without stop-ping. One reason for this is that stopping means coolingoff, and cooling off…
Machinery
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