Linear speed of Flat Belt drives

Hi Ajay

Running a 700 mm pulley at 1200 r.p.m will give you 44m/s. but I somehow get the impression that you may not have that space available.

Please give the intended application, constraints and max pulley sizes etc.

Transmitted Power?

Pulleys diameters?

Primary rpm?

Section of belt to be considered?

have you tried Gates Poly Chain Carbon?

take a peek in www.gates.com/nothingtougher

you can calculate and make desicions by program provided in that website.

Hi Ajay,

Please give us more detail about your project or exercise. E.g. objectives, load,...

As Mr.Hendrik's post with 700mm diameter pully and 1200 rpm you have 44 m/sec,

can you image this?

have you tried Gates Poly Chain Carbon?

take a peek in www.gates.com/nothingtougher

you can calculate and make decisions by program provided in that website.

We use that Gates item in the Automotive Super Charging for funny cars and dragsters.

Though out side the specks from Gates, the power is transmitted.....engine RPM at around 8000 with a seventy percent over drive achieving 13,000 RPM + on the driven pulley with a belt length.............5.57 feet belt molded circle..... with a drive pulley in the 7 inch diameter range gives about 22 linear inches circumference or 1.833 feet,at the 8000 RPM ..which equates to around 2600 FPM...changes with ENGINE rpm CHANGES...REMEMBER...IN THIS APPLICATION THE DECELERATE LOAD (REVERSIONARY) IS HIGH AS ENGENE BUTTERFLIES ARE CLOSED.

Two major problems at that high of a speed.....the belt wants to form back into its own manufactured circle (mold) on centrifugal force OF IT'S OWN MASS, and in so doing could reduce the teeth in contact below the tooth shear value.

This necessitates idler pulley or pulleys placement into the drive design to achieve minimum wrap FOR HP required.

If within the HP transfer requirements of your load, 8 MM belts can be used but will not sustain the belt fracture strength of overloaded.....but reduced mass cuts the centrifugal throw substabtially..................check with Gates Rubber.

MR. GUY

"Chiron" cnc traveling column machine uses a flat belt to travel across the "X" axis (200"inches long) in combination with a "Heidenhain" liner scale.

this machine was accurate to .0005" and we used to cut at 30 inches per minute all day long. The rapid travel speed was 350" inches per minute.

I hope this helps.