March 07, 2009
We have selected EN24 material as lead screws for our boring machine. We want to liquid nitriding on them to get surface hardness around 50 HRC up to the surface depth of 0.5 mm. Is the selection proper? If not, pl.suggest suitable alternative....
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debasis das
at 12:30 AM
March 05, 2009
We are trying to test a mono-block centrifugal pump-set having both inlet and outlet pipe size of 2". We have coupled a pressure guage calibrated in 'ft.' at the outlet together with a 2" ball valve to control the discharge of water. When the pump is started with the valve full o...
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Sidban
at 4:11 AM
March 04, 2009
I am planning to start making some spare parts myself, to improve the reliability for my business. The spares I need the most, because of quality and availability problems with my suppliers, are perforated steel sheets for vibratory cleaners and helicoid flighting for screw conveyors. Can you...
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gussosa
at 8:55 AM
March 02, 2009
Can anyone explain why socket weld fittings (elbow, tees, etc) are rated at 3000# 6000# etc versus butt weld fittings which are rated 150# 300# etc? I have been unable to find such an explanation anywhere. Any assistance is appreciated....
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guest
at 7:01 AM
February 28, 2009
I am in a C++ programming class. For part of this class we have to write programs that can predict things about a ball rolling down an inclined plane. I unfortunately took physics almost 3 years ago, and have since lost the textbook and most of my notes. I need to be able to predict the instantaneou...
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Pere Grin
at 11:17 AM
February 27, 2009
Does anybody know any screw pump suppliers in the Texas USA area? I would appreciate any idea! I am looking for screw type fuel booster pumps of the screw type...
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guest
at 8:15 AM
February 26, 2009
what is the hardeness valueS of EN8, EN19 , EN24...
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guest
at 3:53 AM
February 24, 2009
I need to give my opinion on the fesibility of hydraulically operated 'coconut climber' with the best strength to weight ratio designed - structural steel frames ,that will ease out the effort put in otherwise by the traditional hard core climber of native origin. Can any one throw some su...
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Bala Pullat
at 4:55 AM
i got confused with istallation of air cooled chiller 2 horizontal screw compresors 5000kg (Dunham bush AFHX 115T).The chiller located on the slab(10ft x 16ft).The chiller unit come with spring isolator. But during my installation at site, i use rubber pad (3/8" thickness) instead of spring iso...
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Kimie
at 1:09 AM
February 21, 2009
HI, question, I have a 5/16 allen cap screw, steel, going into a brass bearing, each side, what the torque spec for the 5/16 screw into brass....
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