Search found 29 matches

by Shenal
Sat Dec 17, 2011 3:34 pm
Forum: Control Systems & Robotics
Topic: how to build a drawing machine
Replies: 43
Views: 84348

Re: how to build a drawing machine

w.jpg
w.jpg (4.98 MiB) Viewed 16140 times
t.jpg
t.jpg (4.87 MiB) Viewed 16140 times
r.jpg
r.jpg (4.92 MiB) Viewed 16140 times
Our Exhibition
Our Exhibition
DSC00726.JPG (5.01 MiB) Viewed 16140 times
q.jpg
q.jpg (4.99 MiB) Viewed 16140 times
e.jpg
e.jpg (4.85 MiB) Viewed 16140 times
Images of the Drawing Machine(Without USART)
by Shenal
Fri Sep 09, 2011 9:42 pm
Forum: Control Systems & Robotics
Topic: How to improve the accuracy of a drawing machine
Replies: 8
Views: 15522

Re: How to improve the accuracy of a drawing machine

In our method we have to put the image into a 1mm grid and we have to number every cell and we have to feed it to pic manually. So its difficult. So we hope to make only letters and smileys.is there any other way to do this ?
i think you got this :-)
by Shenal
Fri Sep 09, 2011 6:37 pm
Forum: Control Systems & Robotics
Topic: How to improve the accuracy of a drawing machine
Replies: 8
Views: 15522

Re: How to improve the accuracy of a drawing machine

In our stepper motors there are 7.5 degrees gap between every step.So it needs 48 steps to finish a full round.(360/7.5=48) There is a 1mm gap between two threads of threaded rods.When we rotate it one round,total displacement is 1mm.So we can mark 48 different positions within a one millimeter.We d...
by Shenal
Fri Sep 09, 2011 5:02 am
Forum: Control Systems & Robotics
Topic: How to improve the accuracy of a drawing machine
Replies: 8
Views: 15522

How to improve the accuracy of a drawing machine

According to post, How to build a drawing Machine. Now we are in final steps.But the problem is we couldn't make a method to draw smoothly.According to our method it will be drawn by small lines.So is there any other way to do this :?:
by Shenal
Thu Sep 08, 2011 10:49 pm
Forum: Control Systems & Robotics
Topic: how to build a drawing machine
Replies: 43
Views: 84348

Re: how to build a drawing machine

How about line bearings without an other stepper :?:
by Shenal
Thu Sep 08, 2011 10:25 pm
Forum: Control Systems & Robotics
Topic: how to build a drawing machine
Replies: 43
Views: 84348

Re: how to build a drawing machine

Here are some pictures of drawing machine.
Sorry for late updates :oops:
Drawing Machine
Drawing Machine
Machine.JPG (528.95 KiB) Viewed 16219 times
Drawing Machine
Drawing Machine
Machine.JPG (528.95 KiB) Viewed 16219 times
End of Y axis
End of Y axis
End of Y axis.JPG (804.74 KiB) Viewed 16219 times
End of X axis
End of X axis
End of X axis.JPG (652.27 KiB) Viewed 16219 times
X and Y axis
X and Y axis
X and Y axis.JPG (796.33 KiB) Viewed 16219 times
by Shenal
Tue Sep 06, 2011 12:46 pm
Forum: Introductions
Topic: I'm Shenal Dabare
Replies: 6
Views: 10355

Re: I'm Shenal Dabare

Praveen,Neo,SandunDhammikaPerera,Rksk Thank you all.You all are encouraging me. :)
by Shenal
Thu Sep 01, 2011 8:43 pm
Forum: Introductions
Topic: I'm Shenal Dabare
Replies: 6
Views: 10355

I'm Shenal Dabare

I'm Shenal Dabare,just 17 years old.My home town is Wattala and I born in 30th April 1994.I'm studying at St.Benedict's college. Stepping to world of Computers My first computer was a Pentium-II IBM computer with Windows 98.I got this as a birthday present from my dad for my 7th birthday(I used this...
by Shenal
Thu Aug 11, 2011 9:47 pm
Forum: Presents & Donations
Topic: Req. a donation: Project for school exhibition
Replies: 34
Views: 55336

Re: Req. a donation: Project for school exhibition

Thank You all for helping me!I have got the parcel Today noon(11-08-2011).It contains all what I need in this project.Your service to youngsters is unmeasurable. :clap:It's a great pleasure to me to join a community like this. :) I'll promote Expertcore as much as I can because,I personally experien...
by Shenal
Thu Jul 28, 2011 12:11 am
Forum: Presents & Donations
Topic: Req. a donation: Project for school exhibition
Replies: 34
Views: 55336

Re: Req. a donation: Project for school exhibition

My Letter
My Letter.PDF
(86.38 KiB) Downloaded 848 times

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