Henry Ford：My Life and Work, Excerpt 69

The old method of making a certain gear comprised four operations and 12 per cent. of the steel went into scrap. We use most of our scrap and eventually we will use it all, but that is no reason for not cutting down on scrap--the mere fact that all waste is not a dead loss is no excuse for permitting waste. One of the workmen devised a very simple new method for making this gear in which the scrap was only one per cent. Again, the camshaft has to have heat treatment in order to make the surface hard; the cam shafts always came out of the heat-treat oven somewhat warped, and even back in 1918, we employed 37 men just to straighten the shafts. Several of our men experimented for about a year and finally worked out a new form of oven in which the shafts could not warp. In 1921, with the production much larger than in 1918, we employed only eight men in the whole operation.

Source： https://www.gutenberg.org/ebooks/7213
Locator：Chapter VI, excerpt 69 · Verified：2026-10-19 · Verification：Short excerpt

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