Change font size
It is currently Thu Nov 14, 2019 10:15 am
www.macrofibercomposite.com
Board index How-To's

How-To's

MFC P2 Type as an actuator

Question and Answers for making the MFC work

Moderator: DRK

MFC P2 Type as an actuator

Postby Johnterry » Tue Mar 27, 2018 8:09 am

Dear Sir/Madam,
I purchased two M5628-P2 and drove at 500Vpp using DRV2700EVM,I didn't attach the MFC to any stucture.And then the induced strain was really small which confused me a lot. I think I fail to understand some things provided on the website.
Johnterry
 
Posts: 1
Joined: Tue Mar 27, 2018 7:14 am

Re: MFC P2 Type as an actuator

Postby TPD » Tue Mar 27, 2018 9:11 am

Well, your observation are correct. As stated in the data sheet for the M5628P2 the free strain is -820ppm. So the the M5628P2 will contract (negative sign) by 820 parts per million over 56mm length which is 45µm.
The deflection of materials you are seeing on our website is applied mechanical engineering. If you place a strong actuator which strains OFF THE NEUTRAL FIBER (middle of an object) the 45µm strain will be amplified in a much larger deflection of your structure.
Please Google it or asked someone with mechanical engineering training [Bimorph equations, actuator neutral fiber] Here is a link to a basic education text
http://www.springer.com/cda/content/document/cda_downloaddocument/9783540326410-c1.pdf?SGWID=0-0-45-347798-p162570002
So you need to glue (bond) the MFC as outlined in the FAQ section https://www.smart-material.com/FAQ-MFC.html to a structure, like a steel or FR4 beam (PCB) in order to see the larger deflection of a structure. The DRV2700 also allows you to feed Audio into the MFC so you can use it as a loudspeaker.
Please note that the maximum guaranteed voltage for the P2 type is 360V. Operating it at 500V over extended period of time might damage the unit.
TPD
Smart Material Support Team
---------------------------
"That's not right, it's not even wrong."
Wolfgang Pauli, 1945 Nobel Laureate - Physics.
TPD
 
Posts: 98
Joined: Tue Aug 11, 2015 12:46 pm
Location: Florida, USA


Return to How-To's

cron

User Control Panel

Login



www.macrofibercomposite.com

Who is online

In total there are 2 users online :: 0 registered, 0 hidden and 2 guests (based on users active over the past 30 minutes)
Most users ever online was 248 on Fri Nov 30, 2018 6:46 am

Users browsing this forum: No registered users and 2 guests

Birthdays

No birthdays today