Search found 51 matches

by quaver
Sat Oct 08, 2016 6:20 pm
Forum: Modifications
Topic: Bed Fan Duct
Replies: 29
Views: 17253

Bed Fan Duct

In the process of updating to an E3Dv6 hot end. As this requires a new extruder mount I decided to try a duct for my 50mm bed fan. I have attached a few shots of the design. Thoughts/comments/suggestions? I am not convinced that a bed fan duct really helps cooling or improves print performance but i...
by quaver
Sun Oct 02, 2016 8:03 pm
Forum: Modifications
Topic: nema17 dampers
Replies: 160
Views: 86580

Re: nema17 dampers

Following up on my earlier comment with regard to the effect on accuracy... printed my first calibration object since installing the dampers. X and Y are within +/- 0.15 mm. There are CNC machines that struggle to maintain that accuracy. No discernable effect on practical accuracy.
by quaver
Sat Oct 01, 2016 5:54 pm
Forum: Model / Object Sharing
Topic: Calibration Object
Replies: 0
Views: 1896

Calibration Object

There are many good calibration objects available in the cyber ether but I thought I would make a contribution to the pool. Most of the items I print are functional/mechanical in nature so accuracy is very import as the parts must fit well with their respective mates. This little calibration object ...
by quaver
Thu Sep 29, 2016 6:49 pm
Forum: Filament
Topic: Flexible Filament - ColorFabb nGen_FLEX
Replies: 1
Views: 1052

Flexible Filament - ColorFabb nGen_FLEX

New filament announced today from ColorFabb; flexible co-polyester with a Shore A hardness of 90 and stable at 125°C. Looks interesting.

http://ngen-flex.colorfabb.com/
by quaver
Thu Sep 22, 2016 3:18 am
Forum: Modifications
Topic: nema17 dampers
Replies: 160
Views: 86580

Re: nema17 dampers

The descriptions do not due justice to the magnitude of the change. Simply shocking. Seems like the printer is now powered by magic. Unseen (or unheard) forces glide the bed and extruder to and fro. :o
by quaver
Sun Sep 18, 2016 10:28 pm
Forum: Modifications
Topic: Bed Stop for M2
Replies: 5
Views: 2174

Re: Bed Stop for M2

spmahoney78 wrote:That's a great design. thank you!
Thanks, and you are welcome.
by quaver
Sat Sep 17, 2016 11:28 pm
Forum: General Discussion
Topic: Stabilize Your Printer Bench
Replies: 5
Views: 3209

Re: Stabilize Your Printer Bench

Granite and Portland cement have about the same density. I think Insta's recommendation would work well enough for the mass but there are two factors at work in using the surface plate to stabilize the printer. The first is the mass but the second is the contact between the feet of the printer and t...
by quaver
Sat Sep 17, 2016 3:44 pm
Forum: Modifications
Topic: nema17 dampers
Replies: 160
Views: 86580

Re: nema17 dampers

I have ordered a set of dampers, eager to evaluate. The only question I have relates to the effect on positional accuracy. Most dampers of this type have two rigid elements connected by a flexible elastomeric. Many will restrict motion in two or more of the six degrees of normal freedom. Some have n...
by quaver
Fri Sep 16, 2016 2:28 am
Forum: General Discussion
Topic: Stabilize Your Printer Bench
Replies: 5
Views: 3209

Stabilize Your Printer Bench

I have noted M2 owners mentioning in several posts that their printers jump around, the bench or table on which it rests shakes, etc. I experienced this as well even though mine rested on a substantial solid wood work bench. Reducing the acceleration as recommended here in the forums helped with thi...
by quaver
Fri Sep 16, 2016 2:07 am
Forum: Tech Support
Topic: Waves at Corners
Replies: 10
Views: 2095

Re: Waves at Corners

The NEMA 17 dampers look promising, if for nothing more than the noise reduction. If the stepper frequencies happen to sweep over the natural frequency of the bed gantry and sprung bed I can see how it could cause print anomalies. Ordered dampers tonight. In doing more research on the topic (referre...