Group 2 - Powered Mobile - Revision history

MAE277 02 09 at 06:08, 21 December 2009

2009-12-21T06:08:00Z

MAE277 02 09 at 06:03, 21 December 2009

2009-12-21T06:03:24Z

MAE277 02 09 at 06:01, 21 December 2009

2009-12-21T06:01:31Z

MAE277 02 09 at 05:58, 21 December 2009

2009-12-21T05:58:49Z

MAE277 02 09 at 05:51, 21 December 2009

2009-12-21T05:51:07Z

MAE277 02 09 at 05:38, 21 December 2009

2009-12-21T05:38:50Z

MAE277 02 09 at 05:10, 21 December 2009

2009-12-21T05:10:03Z

MAE277 02 09 at 05:08, 21 December 2009

2009-12-21T05:08:48Z

MAE277 02 09 at 05:04, 21 December 2009

2009-12-21T05:04:33Z

MAE277 02 09 at 04:46, 21 December 2009

2009-12-21T04:46:34Z

@@ Line 1,023: / Line 1,023: @@
 Wt = (60,000*P) / (pi)*(D2)*(n) <br /> <br />
-<p> '''''Calculation:''''' </p> <br />
+<p> '''''Calculation:''''' </p>
 <p> Pitch diameters of gears 2 and 3 are:</p>
@@ Line 1,036: / Line 1,036: @@
 Wt = ( 60,000*P ) / ( pi* D2 * n )<br />
 Wt = (60,000)*(5) / (3.14)*(50)*(10)<br />
-Therefore, '''Wt = 191 N'''<br />
+Therefore, '''Wt = 191 N'''<br /> <br />
 <p>Tangential force of gear 2 and 3:</p> <br />
@@ Line 1,045: / Line 1,045: @@
 F23 = ( Ft23 ) / (cos 20)<br />
 F23 = (191) / (cos 20)<br />
-'''F23 = 203.3 N'''<br />
+'''F23 = 203.3 N''' <br /> <br />
-<p> ''Since, gear 3 is an idler it transmits no power and so the tangential reaction of gear 4 and 3 is equal to Wt.''</p> <br />
+<p> ''Since, gear 3 is an idler it transmits no power and so the tangential reaction of gear 4 and 3 is equal to Wt.''</p>
 '''Ft43 = 191 N''' <br />
 '''Fr43 = 69.5 N''' <br />
-'''F43 = 203 N''' <br />
+'''F43 = 203 N''' <br /> <br />
 <p> Reactions in x and y direction: </p>
@@ Line 1,063: / Line 1,063: @@
 <p>Resultant Reaction is:</p>
 Fb3 = √ (121.5)2 + (121.5)2 <br />
-'''Fb3 = 171.8 N''' <br />
+'''Fb3 = 171.8 N''' <br /> <br />

@@ Line 112: / Line 112: @@
 <h4><u>'''''Remote Features'''''</u></h4><br />
-[[Image:group2remote.JPG]] <br /><br />
+[[Image:group2remote.jpg]] <br /><br />
 .	'''<u>Button:</u>''' Activates the mobile.<br /><br />
@@ Line 1,068: / Line 1,068: @@
 <h3><u>'''Solid Model'''</u></h3><br />
+[[Image:Group2Gear.jpg]]

@@ Line 1,010: / Line 1,010: @@
 .	It transmits 5 W to ideal gear three.<br />
 .	Teeth of the gears are cut on 20 degrees full depth.<br />
-.	Have a module of m=2.5mm.<br />
+.	Have a module of M = 2.5mm.<br />
 .	Gear three is a idler it transmits no power to its shaft. Therefore, the tangential reaction of gear four and three is equal to Wt (transmitted load, lbf).<br /> <br />
@@ Line 1,036: / Line 1,036: @@
 Wt = ( 60,000*P ) / ( pi* D2 * n )<br />
 Wt = (60,000)*(5) / (3.14)*(50)*(10)<br />
-Therefore, Wt = 191 N.<br />
+Therefore, '''Wt = 191 N'''<br />
 <p>Tangential force of gear 2 and 3:</p> <br />
@@ Line 1,053: / Line 1,053: @@
 '''F43 = 203 N''' <br />
-<p> Reactions in x and y direction: </p> <br />
+<p> Reactions in x and y direction: </p>
 Fxb3 = - (- Ft23 + Fr43 )<br />
 Fxb3 = - (- 191 + 69.5)<br />
@@ Line 1,061: / Line 1,061: @@
 '''Fyb3 = 121.5 N'''<br /> <br />
-<p>Resultant Reaction is:</p> <br />
+<p>Resultant Reaction is:</p>
 Fb3 = √ (121.5)2 + (121.5)2 <br />
 '''Fb3 = 171.8 N''' <br />

@@ Line 1,000: / Line 1,000: @@
 •	Adding musical button feature at base of the product, which makes different sound (related to the theme) every time when the buttons are pressed. This will add little bit more functionality &nbsp;&nbsp;&nbsp;to the base as well as the whole products.<br />
 <h3><u>'''Engineering Analysis'''</u></h3><br />
-<p> '''''Problem Statement'':''' Calculate the forces acting on gear three.</p><br />
+<p> '''''Problem Statement'':''' Calculate the forces acting on gear three.</p><br /> <br />
 <p> '''''Assumptions:'''''</p>
@@ Line 1,011: / Line 1,011: @@
 .	Teeth of the gears are cut on 20 degrees full depth.<br />
 .	Have a module of m=2.5mm.<br />
-.	Gear three is a idler it transmits no power to its shaft. Therefore, the tangential reaction of gear four and three is equal to Wt (transmitted load, lbf).<br />
+.	Gear three is a idler it transmits no power to its shaft. Therefore, the tangential reaction of gear four and three is equal to Wt (transmitted load, lbf).<br /> <br />
 <p> '''''Diagram:'''''</p>
@@ Line 1,021: / Line 1,021: @@
 D = (N2)*(M) <br />
 Transmitted Load: <br />
-Wt = (60,000*P) / (pi)*(D2)*(n) <br />
+Wt = (60,000*P) / (pi)*(D2)*(n) <br /> <br />
-<p> '''''Calculation:''''' </p>
+<p> '''''Calculation:''''' </p> <br />
 <p> Pitch diameters of gears 2 and 3 are:</p>
 D2 = N2*M <br />
 D2 = (20)*(2.5)<br />
-D2 = 50 mm.<br />
+'''D2 = 50 mm'''<br />
 D3 =N3*M<br />
 D3 = (50)*(2.5)<br />
-D3 = 125 mm.<br />
+'''D3 = 125 mm'''<br />
-<p>Transmitted load will be: </p>
+<p>Transmitted load will be: </p> <br />
 Wt = ( 60,000*P ) / ( pi* D2 * n )<br />
 Wt = (60,000)*(5) / (3.14)*(50)*(10)<br />
 Therefore, Wt = 191 N.<br />
-<p>Tangential force of gear 2 and 3:</p>
+<p>Tangential force of gear 2 and 3:</p> <br />
-Ft23 = 191 N. <br />
+'''Ft23 = 191 N''' <br />
 Fr23 = ( Ft23 ) * (tan 20) <br />
 Fr23 = (191) * (tan 20)<br />
-Fr23 = 69.5 N<br />
+'''Fr23 = 69.5 N'''<br />
 F23 = ( Ft23 ) / (cos 20)<br />
 F23 = (191) / (cos 20)<br />
-F23 = 203.3<br />
+'''F23 = 203.3 N'''<br />
-<p> ''Since, gear 3 is an idler it transmits no power and so the tangential reaction of gear 4 and 3 is equal to Wt.''</p>
+<p> ''Since, gear 3 is an idler it transmits no power and so the tangential reaction of gear 4 and 3 is equal to Wt.''</p> <br />
-Ft43 = 191 N <br />
+'''Ft43 = 191 N''' <br />
-Fr43 = 69.5 N <br />
+'''Fr43 = 69.5 N''' <br />
-F43 = 203 N <br />
+'''F43 = 203 N''' <br />
-<p> Reactions in x and y direction: </p>
+<p> Reactions in x and y direction: </p> <br />
 Fxb3 = - (- Ft23 + Fr43 )<br />
 Fxb3 = - (- 191 + 69.5)<br />
-Fxb3 = 121.5 N<br />
+'''Fxb3 = 121.5 N'''<br />
 Fyb3 = - (Fr23 + Ft43)<br />
 Fyb3 = - (69.5 – 191)<br />
-Fyb3 = 121.5 N<br />
+'''Fyb3 = 121.5 N'''<br /> <br />
-<p>Resultant Reaction is:</p>
+<p>Resultant Reaction is:</p> <br />
 Fb3 = √ (121.5)2 + (121.5)2 <br />
-Fb3 = 171.8 N <br />
+'''Fb3 = 171.8 N''' <br />

@@ Line 946: / Line 946: @@
 <i>'''Does the material choice affect the manufacturing process?'''</i>
-<p>The prevalence of plastic material in the Mobile toy makes the process much easier and cost effective. There were many places in which pieces snapped into places, which is much easier to accomplish with plastic components than it is with metal. This also made the assembly process of the product much quicker.
+<p>The prevalence of plastic material in the Mobile toy makes the process much easier and cost effective. There were many places in which pieces snapped into places, which is much easier to accomplish with plastic components than it is with metal. This also made the assembly process of the product much quicker.</p>
 <i>'''Does the shape affect the manufacturing process?'''</i>
-<p>Injection molding was used for all of the plastic components, such as gears, clutch plates, hub, base, arm etc. because of their complicated shapes and for a better finish with a precise configuration. </p>
+<p>Injection molding was used for all of the plastic components, such as gears, clutch plates, hub, base, arm etc. because of their complicated shapes and for a better finish with a precise configuration.</p>
@@ Line 999: / Line 999: @@
 •	We can also add some more additional themes to this product such as animals, angles etc., which gives user a wide range of selection.<br />
 •	Adding musical button feature at base of the product, which makes different sound (related to the theme) every time when the buttons are pressed. This will add little bit more functionality &nbsp;&nbsp;&nbsp;to the base as well as the whole products.<br />

@@ Line 956: / Line 956: @@
 <i>'''Why was each manufacturing process chosen for that component?'''</i>
-<p>'''Injection Molding:''' Ideal for producing large quantities, low labor cost, little waste of material, low tooling cost, and better finish of the product<br />
+<p>'''Injection Molding:''' Ideal for producing large quantities, low labor cost, little waste of material, low tooling cost, and better finish of the product </p><br />
 '''Machining: '''Can produce complicated shapes with high precision for metal pieces.<br />
@@ Line 992: / Line 992: @@
 . Electric Components such as circuit boards and motor<br />
-</p>
+</p><br />
 <br /><br />
@@ Line 1,006: / Line 1,013: @@
 <h3><u>Reassembly Procedure:</u></h3>
-<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Scale for ease of assembly:  All values given in comparison to all of the other steps of putting this mobile toy together. This is with a “1” being a simple task such as screwing something together and a “5” being reassembling a piece that is breakable and not easy to put together without care.</p>
+<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'''''Scale for ease of assembly:'''''  All values given in comparison to all of the other steps of putting this mobile toy together. This is with a “1” being a simple task such as screwing something together and a “5” being reassembling a piece that is breakable and not easy to put together without care.</p>

@@ Line 539: / Line 539: @@
      <td width="173">Plastic</td>
      <td width="150">Injection    Molding</td>
-     <td width="99">[[Media:Button.JPG]]</td>
+     <td width="99">[[Media:project2Button.JPG]]</td>
    </tr>
    <tr align="center">

@@ Line 521: / Line 521: @@
      <td width="173">Plastic</td>
      <td width="150">Injection    Molding</td>
-     <td width="99">[[Media:Button.JPG]]</td>
+     <td width="99">[[Media:project2Button.JPG]]</td>
    </tr>
    <tr align="center">
@@ Line 656: / Line 656: @@
      <td width="173">Plastic</td>
      <td width="150">Injection    Molding</td>
-     <td width="99">[[Media:gear.JPG]]</td>
+     <td width="99">[[Media:project2gear.JPG]]</td>
    </tr>
    <tr align="center">
@@ Line 665: / Line 665: @@
      <td width="173">Plastic</td>
      <td width="150">Injection    Molding</td>
-     <td width="99">[[Media:pinion.JPG]]</td>
+     <td width="99">[[Media:project2pinion.JPG]]</td>
    </tr>
    <tr align="center">
@@ Line 728: / Line 728: @@
      <td width="173">Epoxy    Resin, Solder, Polytetrafluoroethylene</td>
      <td width="150">Board    is molded; Individual components attached to board</td>
-     <td width="99">[[Media:circuit_board.JPG]]</td>
+     <td width="99">[[Media:project2circuit_board.JPG]]</td>
    </tr>
    <tr align="center">
@@ Line 746: / Line 746: @@
      <td width="173">Steel</td>
      <td width="150">Machining</td>
-     <td width="99">[[Media:motor.JPG]]</td>
+     <td width="99">[[Media:project2motor.JPG]]</td>
    </tr>
    <tr align="center">

@@ Line 360: / Line 360: @@
      <td width="142">Steel</td>
      <td>Coiling</td>
-     <td width="99">[[Media:springs.JPG]]</td>
+     <td width="99">[[Media:project2springs.JPG]]</td>
    </tr>
    <tr align="center">