X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com Message-ID: <5491C394.8090303@estechnical.co.uk> Date: Wed, 17 Dec 2014 17:55:32 +0000 From: Ed Simmons User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: geda-user AT delorie DOT com Subject: Re: [geda-user] Nema 23 stepper motors References: In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Authenticated-As: ed AT estechnical DOT co DOT uk X-Extend-Src: mailout Reply-To: geda-user AT delorie DOT com On 17/12/14 17:21, Rob Butts wrote: > I'm using this motor to turn a shaft. I have all of the inputs in a > static state with the clock signal turning the motor. > > With the motor not connected it is silent as it turns. When I mount > it on a metal block so that it meshes with the gear of the shaft it > puts out a rattle as it turns,. > > I found that if you press down on the stepper it doesn't chatter so > much. We put a neoprene gasket under it which helped quiet it but it > was still a noticeable chatter. > > We then mounted a plate on top with a neoprene gasket lightly > compressing the stepper. This quieted it quite a bit. > > Is this a common issue with steppers or am I not doing something > correctly? Lastly, does anyone see a problem slightly compressing it? > > Thanks HI Rob, What sort of drivers are you using? Are you micro-stepping? Ed -- Ed Simmons ed AT estechnical DOT co DOT uk www.estechnical.co.uk