该假肢模型名称为The Osprey Hand by Alderhand and e-Nable(该模型仅用于公益,不可用于商业用途)
是profbink 在2015年7月4日上传至Thingiverse网站的目前项目还在更新中。原文地址为(有可能被墙):https://www.thingiverse.com/thing:910465
数据文件下载链接:https://pan.baidu.com/s/1WtI3CEGtQAlsRbAVvvU2Tg 提取码:1drf
以下为谷歌机翻,不喜勿喷~原文后附
摘要
Osprey Hand是一款手腕动力机械假肢,采用Blender制造,基于低聚内饰和原始Raptor手部的坚固部件,但现在具有吸引力的整流罩和非常耐用且舒适的低调通用型护腕。
Osprey针对大规格尼龙单丝的使用进行了优化,可抵抗线性压缩并产生很小的摩擦,因此具有出色的鲍登特性;拉动电缆以提供弯曲并推动以提供伸展。该装置既不需要弹性装置也不需要弹簧或任何机械延伸系统。
重型尼龙单丝通常价格低廉,可作为园艺师的修剪线,尼龙或桥梁尼龙3d打印机长丝,以及深海捕捞领导线。我建议钓鱼线,因为它有各种厚度。通过接头,单丝完全没有磨损,所以没有印刷塑料的“锯切”。
弹性阻力是许多辅助装置的主要缺点,因为阻力会降低装置的握力。此外,当弹性伸展装置接近完全致动时,弹性部件的阻力增加,因此使用者可能很难抓住小物体。而且,大多数弹性材料会迅速降解。减少或消除弹性阻力的设计是一个受欢迎的发展。
特别注意新的物料清单。 Cyborg Beast,原始Raptor和Raptor Reloaded硬件套件与Osprey不兼容。但是,Osprey确实使用与Gamma Raptor相同的硬件。材料套件和工具包应该在不久的将来可用,敬请关注。
在这个版本中:
具有不同公差的Pin-and-Proximal套件(“A”是最宽松的;“D”是最紧的)可以轻松补偿打印比例,挤出设置和热膨胀的差异。在说明文档中了解Peregrine的ABCD密钥!
2015-7-14更新
Palm v.2.1拇指旋转以更好地对抗手指。这影响了手掌模板,也进行了更新。
更新2015-8-26
从近端趾骨移除支撑材料。如果你错过它,请告诉我。由于在重物提升过程中它是一个常见的故障点,所以在远端的铰链会变大。
2015-9-16更新
我添加了一个新的护腕/手套。这更符合Osprey美学,并且它具有更易于移除的支撑材料。旧的护腕可能会成为Gamma Raptor设计的一部分。
更新2015-11-23
更新了bracer和palm,并删除了旧版本。增加了3/4“三角形扣。增加了近端”键“,以帮助确定哪种近端公差最适合手掌。
更新2016-6-16说明已经有了很大改进,所以请看看。
替换近端和远端趾骨:改善机械性能。
更新2017-10-19
添加了一个可打印的bracer模板,可以很好地适应大多数客户。安装后,如果需要,可以修剪任何重叠的皮革,但对大多数客户来说,这是不必要的。
添加了与PLA更兼容的卡扣组。计算ABS的原始针脚更柔软。所以他们很难在PLA版本中插入。这些PLA针具有更长的尖齿,可以更好地弯曲。
增加了D形环扣。这是松散编织尼龙织带的良好安全封闭。
2017年10月23日
增加了针钳和销钉推动器,以帮助插入和拔出卡销。
说明
https://docs.google.com/document ... 34/edit?usp=sharing
说明不断改进,所以经常回去。
此装配视频简要介绍了装配过程:
https://www.youtube.com/watch?v= ... EgMP67EszQwgE-Hqq5o
更多图片:
原文:
Summary
The Osprey Hand is a wrist-powered mechanical prosthetic that was built in Blender based on the low-poly interior and robust components of the original Raptor Hand, but now sporting an attractive fairing and a very durable and comfortable low-profile universal-fit bracer.
The Osprey is optimized for the use of heavy gauge nylon monofilament, which resists linear compression and generates little friction, so has excellent Bowden properties; the cables are pulled to provide flexion and pushed to provide extension. This device requires neither elastics nor springs nor any mechanical extension system.
Heavy gauge nylon monofilament is generally inexpensive, and available as landscapers' trimmer line, nylon or Bridge nylon 3d printer filament, and as deep sea fishing leader line. I suggest fishing line, since it is available in a variety of thicknesses. Running through joints, the monofilament doesn't abrade at all, so there's no "sawing" of printed plastic.
Elastic resistance is a major drawback to many assistive devices, because resistance reduces a device's grip strength. Furthermore, as an elastic-extended device approaches full actuation, resistance from elastics increases, so that it may be quite difficult for a user to grasp small objects. Also, most elastic materials degrade quickly. Designs which reduce or eliminate elastic resistance are a welcome development.
Pay particular attention to the new bill of materials. The Cyborg Beast, the original Raptor and the Raptor Reloaded hardware kits are not compatible with the Osprey. However, the Osprey does use the same hardware as the Gamma Raptor. Materials kits and tool kits should be available in the near future, so stay tuned.
In this version:
Pin-and-Proximal sets with varying tolerances ("A" is loosest; "D" is tightest) Make it easy to compensate for differences in print scale, extrusion settings, and thermal expansion. Learn about Peregrine's ABCD Key in the instructions document !
Update 2015-7-14
Palm v.2.1 The thumb has been rotated to better oppose the fingers. This affected the palm stencil, which was also updated.
Update 2015-8-26
Support material was removed from proximal phalanges. Let me know if you miss it. The hinge on the distals was bulked up, since it was a common point of failure under heavy lifting.
Update 2015-9-16
I added a new bracer/gauntlet. This fits the Osprey aesthetic better, and it has easier-to-remove support material. The old bracer will probably become part of the Gamma Raptor design.
Update 2015-11-23
Updated bracer and palm, and removed the old versions. Added 3/4" triglide buckle. Added proximal "key" to help determine which proximal tolerance best fits in the palm.
Update 2016-6-16 Instructions have improved a lot, so please have a look.
Replaced proximal and distal phalanges: improved mechanical performance.
Update 2017-10-19
Added a printable bracer stencil that will fit most clients just fine. After fitting, any overlapping leather can be trimmed if needed, but on most clients that won't be necessary.
Added sets of snap pins that are more compatible with PLA. The original pins were calculated for ABS, which is softer. So they were pretty difficult to insert in PLA builds. These PLA pins have longer tines that bend better.
Added D-Ring buckle. This is a good secure closure for the loose-weave nylon webbing.
2017-10-23
Added pin tongs and a pin pusher, to help with the insertion and removal of snap pins.
Instructions
https://docs.google.com/document ... 34/edit?usp=sharing
Instructions are improved continuously, so go back often.
This assembly video provides a brief look at the assembly process:
https://www.youtube.com/watch?v= ... EgMP67EszQwgE-Hqq5o
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