(Translated by Naomi)
它看起来挺有趣的所以我就联系了这个工厂的主人张先生，他非常友善的把机器带过来并且演示给我们看。
耗材打印机外壳是ABS塑料，我们就运送过程中出现货物损坏的问题谈论了一段时间，箱子和泡沫材料似乎对于包装这项任务来说是比较充足的。110V和可调整的电流输入是可供选择的然而我却没有看到一些所谓的线圈仪器。
WELLZOOM并没有解决一些耗材挤出机的存在的问题。就跟大多数机器一样，一种捡起挤出的塑料丝方法需要把它卷起来。就如你在图片中看到的第一米塑料丝有一些弯曲直到后来到达一定的重量才开始整齐地输出。
我们第一批PLA材料挤出来的的尺寸稍微小了一点而且呈微黄色的，因为之前张先生测试了以木为原料的塑料丝所以一些过大的颗粒仍然保持在挤出口。在清洁完压模之后我们测试了ABS材料，它出来的尺寸大概是1.68+/-.04 大概有4米长。那时已经没有空隙，瑕疵和微粒。在把第一米粗糙的塑料丝裁剪之后，用肉眼或者是测径器都分辨不出它和我平时用的中国打印塑料丝的区别。
我使用的是一台UP PLUS 2的打印机来测试。THE UP缺乏装簧空转轮和一个可调节的温度所以众说周知它对打印耗材是十分挑剔的。我能够在没有问题的情况下打印完了几米塑料丝。同样地，我的LEAFFROG CREATR和PRINTRBOT在没有滑落和卡住的情况下简单地挤出了一米的材料。这两台打印机都有弹簧托辊和可调节的温度所以比起THE UP更容易打印材料。
(Original)
Last week I came across this “Wellzoom” filament extruder on Taobao:
There was some interest so I contacted the factory owner Mr. Zhang and he was nice enough to bring it over for a demonstration.
The enclosure is ABS plastic, we spoke at some length about the issue of breakage in shipping, the box and foam packaging seems sufficient to the task. Both 110v and adjustable feed though are available at options- as is some sort of winding apparatus which I did not see.
The Wellzoom does not solve any of the standing usability issues with filament extruders. Like most, some means to pick up the extruded filament needs to be rigged. As you can see from the images the first meter will have some kinks in it until there is sufficient weight to feed cleanly.
Our first batch of PLA came out slightly undersized and yellowish since it had just been previously used to test wood based filament and some oversize particles remained. After cleaning out the die we tested with ABS, the size was about 1.68 +/-.04 over four meters. There were no voids, blemishes or particles. After trimming off the first rough meter it was not particularly distinguishable, either with the naked eye or caliper from other Chinese filament I typically use.
I used an Up Plus 2 for testing. The Up lacks both a spring loaded idler and adjustable temperature so is notoriously finicky about filament. I was able to print the several meters I had without issue. Likewise my Leapfrog Creatr and Printrbot Simple extruded a meter of the filament without slipping or jamming. Both of those printers have spring loaded idlers and adjustable temperature so are far more forgiving than the Up.
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