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Express if any ideas u people have

suyash 7th May '14 08:53

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hi i am nasir now i am in final year.i need to see here a good and based on mechanismfully project...

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• # Brake design - calculations

Brakes are machine elements that absorb kinetic or potential energy in the processes of slowing down or stopping a moving part. The absorbed energy is dissipated as heat. Break capacity depend upon unit pressure between the breaking surfaces, the coefficient of friction and ability of the brake to dissipate heat equivalent to energy absorbed. The performance of brake is similar to that of clutches except the clutches connect one moving part to another moving part, where brake connects a moving part to a frame.

• External Shoe or Block Brakes
• Single Block Brake
• Double Shoe Brake
• Internal Shoe Brake
• Band Brake

Heat Generated = p Ac f V / 778 [Btu/min]
Where:
p = average contact pressure
Ac = contact area, in²
f = coefficient of friction
V = peripheral velocity of drum

 Material Max Temp °F f Pmax, psi Metal on metal 600 0.25 200 Wood on metal 150 0.25 70 Leather on metal 150 0.35 25 Asbestos on metal in oil 500 0.40 50 Sintered metal on cast iron in oil 500 0.15 400
1. yct08280 -
Nice one...!
1. yct08280 -
Nice article...need more calculation...
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#### Coil winder: reciprocating linear spool feed for variable pitch on takeup bobbin

Hi tomcatonnet99,

OK, any advice given on a Friday night by myself should be reviewed in isolation and include a healthy amount of reverse

K.I.S.S. 31st Aug '14, 18:29

#### Coil winder: reciprocating linear spool feed for variable pitch on takeup bobbin

Hi tomcatonnet99,

Don't worry - I'm somewhat perversely proud of the fact that I've never sat an exam in my life. I won't bore you with

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#### Hiring Mechanical Designers- Full-time/Full benefits Tampa, FL

METTLER TOLEDO SAFELINE is the global market leader in the field of industrial metal detection for the food and pharmaceutical processing and packaging

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#### Tooling/Fixture Designer/Design Engineer

Dear sir, I have a 1.5 years of experience in Product Development & Tooling Engineer (Mechanical). Also i'm immediately available. My mail id is

a92muthukumar 29th Aug '14, 18:31

Hello Brothers, Hope everything is well and good.

Well, I have a small query and hope some of you might be of some help in this regard.

prtraj 29th Aug '14, 16:00

#### Coil winder: reciprocating linear spool feed for variable pitch on takeup bobbin

K.I.S.S, pls are you able to explain what you mean by "think of a figure 8 on its side, but without the curves. You could probably quite effectively

tomcatonnet99 29th Aug '14, 14:39

#### Coil winder: reciprocating linear spool feed for variable pitch on takeup bobbin

what a wonderful message, thanks heaps for it; I now feel motivated to go ahead with this and not shelve it ...

Will have a look at Cams

tomcatonnet99 29th Aug '14, 13:05

#### Deciding which CAD software is best to learn next (After Solidworks)

In the mechanical, civil, and architectural sectors, CAD drafting technology has gained optimum recognition. By automating the process of drawing and

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#### Coil winder: reciprocating linear spool feed for variable pitch on takeup bobbin

You're welcome - and I'm picking up a new camera tomorrow...

But if I might suggest, gears are probably not the way to go. The reason for

K.I.S.S. 27th Aug '14, 18:16