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REVIEW: H-P HEADS: Manufacturers offer multiple models, options for specific applications

机译：评论：H-P头：制造商提供多种型号，针对特定应用的选项

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According to Pekka Leppanen, Product Marketing Manager for John Deere Forestry, matching a harvesting-processing head to the timberstand is key to achieving good delimbing quality and minimal surface damage to logs. "Priorities for harvester heads arereliability, productivity and ease of servicing," he says. "There has to be a good grip on big and small trees alike, the feed must offer precise measuring and there has to be as much head control as possible. Good control helps in bypassing difficult branches. The speed at which knives open and close is important in terms of efficiency. And there must be adequate feeding speed." To help loggers keep up to date on head manufacturers, models and options, Timber Harvesting asked manufacturers to brieflydescribe one or more models and to identify a couple of satisfied customers. That information is presented as follows. Check out respective web sites for more detailed information.
机译：John Deere Forestry产品市场经理Pekka Leppanen表示，将采伐处理机头与木材林相匹配是实现良好的爬坡质量和最小化原木表面损坏的关键。他说：“收割机机头的首要任务是可靠性，生产率和易于维修。” “无论大小树木都必须牢牢抓住，饲料必须提供精确的测量，并且必须有尽可能多的头部控制。良好的控制有助于绕过困难的树枝。刀的开合速度非常快。就效率而言很重要。而且必须有足够的进料速度。”为了帮助记录员及时了解机头制造商，型号和选件的最新信息，Timber Harvesting要求制造商简要描述一个或多个型号并确定几个满意的客户。该信息表示如下。请查看各自的网站以获取更多详细信息。

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    《Timber Harvesting》 |2007年第4期|共4页
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