/* Cylinder
-----------------*/
function ClearForm(form)
{
}
function ResetForm(form)
{
form.tryckarea.value="";
form.dragarea.value="";
form.diffarea.value="";
form.areafor.value="";
form.tryckvolym.value="";
form.dragvolym.value="";
form.diffvolym.value="";
form.tryckkraft.value="";
form.dragkraft.value="";
form.diffkraft.value="";
form.trycktid.value="";
form.dragtid.value="";
form.tryckhast.value="";
form.draghast.value="";
form.tryckret.value="";
form.dragret.value="";
}
function compute(form)
{
if (check(form)==false)
{
ResetForm(form);
}
else
{
form.tryckarea.value=Math.round(100*(Math.PI*(form.cyldia.value/10)*(form.cyldia.value/10)/4*form.antal.value))/100;
form.dragarea.value=Math.round(100*(((Math.PI*(form.cyldia.value/10)*(form.cyldia.value/10)/4)-(Math.PI*(form.kolvdia.value/10)*(form.kolvdia.value/10)/4))*form.antal.value))/100;
form.diffarea.value=Math.round(100*(form.tryckarea.value-form.dragarea.value))/100;
form.areafor.value=Math.round(100*(form.tryckarea.value/form.dragarea.value))/100;
form.tryckvolym.value=Math.round(100*(form.tryckarea.value*form.slagl.value/10000))/100;
form.dragvolym.value=Math.round(100*(form.dragarea.value*form.slagl.value/10000))/100;
form.diffvolym.value=Math.round(100*(form.tryckvolym.value-form.dragvolym.value))/100;
form.tryckkraft.value=Math.round(100*(form.tryckarea.value*form.tryck.value/1000))/100;
form.dragkraft.value=Math.round(100*(form.dragarea.value*form.tryck.value/1000))/100;
form.diffkraft.value=Math.round(100*(form.tryckkraft.value-form.dragkraft.value))/100;
form.trycktid.value=Math.round(100*(form.tryckvolym.value/form.flode.value*60))/100;
form.dragtid.value=Math.round(100*(form.dragvolym.value/form.flode.value*60))/100;
form.tryckhast.value=Math.round(100*(form.slagl.value/form.trycktid.value))/100;
form.draghast.value=Math.round(100*(form.slagl.value/form.dragtid.value))/100;
form.tryckret.value=Math.round(100*(form.flode.value/form.areafor.value))/100;
form.dragret.value=Math.round(100*(form.flode.value*form.areafor.value))/100;
}
}
function check(form)
{
if (form.antal.value.length==0||form.cyldia.value.length==0||form.kolvdia.value.length==0||form.slagl.value.length==0||form.tryck.value.length==0||form.flode.value.length==0){
alert("Erforderliga indata saknas!");
return false;
}
else
return true;
}
var now = new Date();
var year = now.getYear();
var month = (((now.getMonth()+1) < 10) ? "0" : "") + (now.getMonth()+1);
var day = ((now.getDate() < 10) ? "0" : "") + now.getDate();
var MonthDayYear =(" "+year+month+day+" ");
function print(form)
{
text=("Utskrift cylinderberäkning");
text=(text+"Beräkning hydraulcylinder");
text=(text+"");
text=(text+MonthDayYear);
text=(text+"
");
text=(text+"Indata
");
text=(text+"
| Antal = | "+form.antal.value+" | st |
| Cylinderdiameter = | "+form.cyldia.value+" | mm |
| Kolvst.diameter = | "+form.kolvdia.value+" | mm |
| Slaglängd = | "+form.slagl.value+" | mm |
| Arbetstryck = | "+form.tryck.value+" | bar |
| Flöde = | "+form.flode.value+" | l/min |
");
text=(text+"
");
text=(text+"Resultat
");
text=(text+"
| tryckande | dragande | differens | | förhållande |
| area | "+form.tryckarea.value+" | "+form.dragarea.value+" | "+form.diffarea.value+" | cm2 | "+form.areafor.value+" |
| volym | "+form.tryckvolym.value+" | "+form.dragvolym.value+" | "+form.diffvolym.value+" | l |
| kraft | "+form.tryckkraft.value+" | "+form.dragkraft.value+" | "+form.diffkraft.value+" | ton |
| slagtid | "+form.trycktid.value+" | "+form.dragtid.value+" | sek | |
| hastighet | "+form.tryckhast.value+" | "+form.draghast.value+" | mm/sek | |
| returflöde | "+form.tryckret.value+" | "+form.dragret.value+" | l/min | |
");
text=(text+"