The writer presents reasons, forms and improvements for the damage of the gear face based on test and analysis.

作者根据对齿面损伤的检验和分析，提出了齿面损伤的原因、方式和改善方法。

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In this article the bearing ability test of hard gear face point-line meshing gear transmission and the trial of noise test are introduced.

本文介绍了硬齿面点线啮合齿轮传动的承载能力试验和噪声测定试验的情况。

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Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.

齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。

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The North Face began selling yoga gear last year, and Under Armour has gotten into the space as well.

FORBES: Nike Expanding the Sport of Dance one Step at a Time

They have been hired to run trips from Maine to Wyoming to Italy, for customers as diverse as well-known outdoor gear and clothing manufacturer The North Face and college alumni associations.

FORBES: Team Building, Corporate Outings & Non-Profit Fundraisers Get Active - In High Style

Hibbett operates mainly out of strip centers in stores next to Wal-Marts ( WMT), in smallish suburbs where it often has the monopoly on name-brand sports gear like Under Armour ( UA) and North Face.

FORBES: Connect