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1. 发明授权

US5176055A Bandmill with automatic track and strain control system 失效
标题翻译：带自动轨道和应变控制系统的带车
公开(公告)号：US5176055A
公开(公告)日：1993-01-05
申请号：US728038
申请日：1991-07-08
申请人： Ralph Wijesinghe , Edward Komori , Joseph LaChapelle , Mark L. Carter
发明人： Ralph Wijesinghe , Edward Komori , Joseph LaChapelle , Mark L. Carter
IPC分类号： B23D55/06 , B23D55/10 , B23D59/00
CPC分类号： B23D55/06 , B23D55/10 , B23D59/002 , Y10T83/141 , Y10T83/175 , Y10T83/7245 , Y10T83/7258
摘要： A bandmill has first and second wheels and an endless saw blade trained about the wheels. The wheels are mounted to rotate about respective axes which lie in a common plane, but the first wheel is adjustable in position relative to the second wheel with respect to both its distance from the second wheel and its orientation relative to the second wheel. A tensioning mechanism is effective to force the first wheel away from the second wheel, while maintaining the axes of rotation of the two wheels substantially parallel, in response to a signal which is provided by a load cell and represents the tension in the saw blade. A wheel tilt mechanism is effective to adjust the angular position of the first wheel relative to the second wheel in response to a signal indicating the path followed by the saw blade, for maintaining the blade on a proper path.
摘要翻译：一个带有第一和第二个轮子的带子，一个围绕车轮的环形锯片。轮子被安装成围绕位于公共平面中的各个轴线旋转，但是第一车轮相对于与第二车轮的距离相对于第二车轮的距离以及相对于第二车轮的方向在相对于第二车轮的位置是可调节的。响应于由称重传感器提供的信号并且表示锯片中的张力，张紧机构有效地迫使第一轮离开第二轮，同时保持两个车轮的旋转轴线基本上平行。响应于指示锯片所遵循的路径的信号，用于相对于第二车轮调整第一车轮的角位置的轮倾斜机构有效地将刀片保持在适当的路径上。

2. 发明授权

US5237897A Automatic bandmill strain and saw tracking method and apparatus 失效
标题翻译：自动带磨机应变和锯跟踪方法和装置
公开(公告)号：US5237897A
公开(公告)日：1993-08-24
申请号：US837658
申请日：1992-02-14
申请人： Ralph Wijesinghe , Edward H. Komori
发明人： Ralph Wijesinghe , Edward H. Komori
IPC分类号： B23D55/10 , B23D59/00
CPC分类号： B23D55/10 , B23D59/002 , Y10T83/141 , Y10T83/175 , Y10T83/7245 , Y10T83/7258
摘要： The invention provides a bandmill having an endless loop of bandsaw blade which is automatically strained to a desired tension, and automatically driven at an accurate location or tracking position. The bandmill runs on a pair of spaced co-planar wheels, which are forced longitudinally apart to apply strain to the bandsaw. Actual saw strain is automatically detected by a force transducer within the strain mechanism, and the actual saw strain is automatically compared electronically with a desired saw strain. A servo-controller automatically adjusts distance between the wheels to vary force therebetween so that actual saw strain is varied to approach the desired saw strain. Also, actual tracking of the saw blade relative to the wheels is automatically sensed by sensors located adjacent the edge of the saw blade. The actual tracking of the saw blade is compared electronically relative to a desired tracking position, and tilt of a tiltable wheel is automatically adjusted so that actual tracking of the saw on the wheels is varied to approach the desired tracking position. Alternatively, a visual display of actual tracking accuracy can be obtained, so as to permit manual adjustment of the tiltable wheel to correct inaccurate tracking.
摘要翻译：本发明提供了一种具有无限循环的带锯刀片的带式磨床，其自动地变形到期望的张力，并且在精确的位置或跟踪位置自动地驱动。带式跑车在一对间隔的共面轮上运行，这些轮被强制纵向分开以对带锯施加应变。实际锯应变由应变机构内的力传感器自动检测，并且实际的锯应变自动地与所需的锯应变电子地进行比较。伺服控制器自动调节车轮之间的距离以改变其间的力，使实际的锯应变变化以接近所需的锯应变。此外，锯片相对于车轮的实际跟踪由位于锯片边缘附近的传感器自动检测。相对于期望的跟踪位置对锯片的实际跟踪进行电子比较，并且自动调整可倾斜轮的倾斜，使得轮上的锯的实际跟踪被改变以接近期望的跟踪位置。或者，可以获得实际跟踪精度的视觉显示，以便允许手动调节可倾斜轮以校正不准确的跟踪。

3. 发明授权

US5088363A Method and apparatus for an automatic sawmill 失效
标题翻译：一种自动锯木厂的方法和装置
公开(公告)号：US5088363A
公开(公告)日：1992-02-18
申请号：US541092
申请日：1990-06-20
申请人： Aaron U. Jones , Vincent M. Howard , Edward A. Kohler , Mark L. Carter , Edward A. Komori , Ralph Wijesinghe , Ronald W. McGeehee
发明人： Aaron U. Jones , Vincent M. Howard , Edward A. Kohler , Mark L. Carter , Edward A. Komori , Ralph Wijesinghe , Ronald W. McGeehee
IPC分类号： B27B1/00 , B27B15/02 , B27B29/00 , B27B31/06 , B27B31/08
CPC分类号： B27B29/00 , B27B1/00 , B27B15/02 , B27B31/06 , B27B31/08 , Y10T83/0505 , Y10T83/178 , Y10T83/207 , Y10T83/2183 , Y10T83/538 , Y10T83/6478 , Y10T83/6542 , Y10T83/7189
摘要： In an automatic sawmill, logs are first sawn horizontally into pieces that are respectively deposited flat side down on a bed plate and conveyed through multiple, close spaced horizontal bandsaws located above the bed plate. Sawn cants are positioned by clamps to have their waney edges removed by a flying saw after clamp retraction.
摘要翻译：在自动锯木厂中，原木首先被水平地锯切成块，它们分别沉积在床板上，并通过位于床板上方的多个紧密间隔的水平带槽输送。锯片通过夹具定位，以便在夹紧缩回之后通过飞锯将其纱线边缘移除。

4. 发明授权

US5135037A End-dogging log carriage 失效
标题翻译：结束日志运输
公开(公告)号：US5135037A
公开(公告)日：1992-08-04
申请号：US668111
申请日：1991-03-12
申请人： Ralph Wijesinghe
发明人： Ralph Wijesinghe
IPC分类号： B27B29/08 , B27B29/10 , B27B31/06
CPC分类号： B27B31/06 , B27B29/085 , B27B29/10 , Y10T83/536 , Y10T83/65
摘要： An end-dogging log carriage including a first dog assembly with a first dog member rotatably mounted thereon and a second dog assembly with a second dog member rotatably mounted thereon. A log is supported solely by the first and second dog members engaging opposite ends of the log. At least one of the dog members is movable horizontally and vertically to orient the log to a desired position for sawing the log. There may be an indexing device operatively connected to one of the dog members through a clutch. The log may be rotated for scanning when the clutch is disengaged. The indexing device and the clutch are engaged after the log is oriented in a rotational position for a first sawing operation. The clutch is left engaged and the indexing device is employed to rotate the log through the required angle for the next sawing operation.
摘要翻译：一种结束日志托架，其包括具有可旋转地安装在其上的第一狗构件的第一狗组件和具有可旋转地安装在其上的第二狗构件的第二狗组件。日志仅由与日志的相对端接合的第一和第二狗构件支撑。至少一个狗构件可水平和垂直地移动以将木材定位到用于锯木材的期望位置。可能存在通过离合器可操作地连接到其中一个狗构件的分度装置。当离合器分离时，日志可以旋转以进行扫描。在原木定位成用于第一锯切操作的旋转位置之后，分度装置和离合器接合。离合器被接合，并且分度装置用于使原木旋转所需的角度用于下一个锯切操作。

5. 发明授权

US4264064A Intermediate dogging device for end dogging log carriage 失效
标题翻译：用于结束卡车的中间装订装置
公开(公告)号：US4264064A
公开(公告)日：1981-04-28
申请号：US82281
申请日：1979-07-31
申请人： Francis E. Allen , Ralph Wijesinghe
发明人： Francis E. Allen , Ralph Wijesinghe
IPC分类号： B27B29/08 , B23Q1/08
CPC分类号： B27B29/08
摘要： Intermediate dogging device to limit lateral deflection of a log held in end dogging log carriage. When a log is machined, residual stresses within the wood, weight of the wood, and sawing forces tend to deflect unsupported portions of the log, reducing cut accuracy. An intermediate dog is mounted on carriage between end dogs generally adjacent central plane containing feed axis. The intermediate dog extends from carriage and engages the log extending between the end dogs to reduce movement of log relative to carriage.
摘要翻译：中间锁定装置，用于限制保持在终端卡车托盘中的日志的横向偏转。当木材加工时，木材中的残余应力，木材的重量和锯切力倾向于偏转原木的未支撑部分，从而降低切割精度。中间狗通常位于包含进给轴线的中心平面的末端狗之间的支架上。中间爪从托架延伸，并且与在末端狗之间延伸的木材相接合，以减小木材相对于托架的移动。

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