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Hertz contact stress
| Глоссарий терминов смазочных материалов |
Stress (psi) measured along a narrow band of contact between two gear teeth under load; based on formulas devised by hertz. momentary stresses exceeding 200,000 psi are not uncommon in heavily loaded gears. also may occur at contact points in rolling element bearings.
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High solvency naphthas, английский
Special naphthas characterized by their high solvent power (low precipitating tendency) for various resins, oils and plastics; their high aromatic content promotes solvency (see kauri-butanol/kb value). high water-content/high water-base fluids: (abbreviated hwbf) fire-resistant, thickened or unthickened water-based fluids; typically containing 90-99% water.
Herringbone gears (gears), английский
Two helical gears on the same shaft, one with a righthand helix and the adjacent one with a lift-hand helix, giving the appearance of a herringbone.
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