Answer / azruddin

Grade oil always depend on manufacturer recomemded and also
refer to same as abdul hameed say ans on viscocity, fire
point, flash point,but this question to general u must
describe what gear box, where use it, industrial or
automotive.

Answer / vimalraj.p

SAE 90

Answer / york shipley

gentle men

be informed from the expert

any gear box have gears of some
type(spur,helical,herringbone,worm bla bla bla\\\\\\\) and
for sure the gears have tooth/teeth hihhihihihihi
and by law the "mesh" and rotate.

agreed thanks,,,,,,

now meshing action means two surfaces kissing each other
||||||||friction boss friction got it

brother sure heat will generate and need to keep it under

certain value right,,,,, so for cooling and lubricating to
reduce wear and tear is the base line of purpose of use.

now no holy book saye e e e ey


o men use theeeee oill lllllll

it depends on

type of gear/ gears
ratio of transmission
type of construction of gear box design
temp need to sustain/ operate etc.,,

there are oil cooled gears boxes

there are grease cooled gear boxes

generally SAE 90 SAE 140 ARE IN WIDE USE

BUT STILL AS I SAID NO RULE OF THUMB

IT VARIES.

Answer / sagar

high viscosity lubricants

Answer / abdul hameed

High Viscosity
High Flash & Fire point.

Answer / sunil

it depends on the gear box type and purpose usually
sae90,sae140 will do

Answer / jith

FOR INDUSTRIAL USE AMMOCAM 220/PARTHAN E 220 IS BETTER

Answer / jignesh

if it is the industrial gearbox then recommended grade of
oil is SP320.

Answer / tushar walunjkar

witch oil use in lagun fu2-la machine

Answer / ramanagu

Its depends on the gear box generally servo 460 was used

What is the law of thermodynamics?

0 Answers  

why companies are using First and third angle projection? why not second and Fourth?

7 Answers   CADD,

How Trains take turns, though there is no any differential

6 Answers   Bosch, L&T, NTPC, RRB,

What is Rig floor..?

0 Answers   National Drilling Company,

1. Mass of water is 100 lit. & Its initial temperature is 40ºC. Find the capacity of refrigerating machine (Ton of refrigeration) when it is converted in to 0 ºC ice, within 2 hours.

1 Answers  

Gearpump is running but discharge valve is closed so, what difficulty in pump?

1 Answers  

what is the water hammering?

3 Answers  

let we know the formula to get od & width of the bearing from its no.

0 Answers  

What is coefficient of performance?

2 Answers  

what is the pressure and how to calculate it?

2 Answers   Virgo,

any body know regarding team centre....

2 Answers   Siemens,

what is combined cycle & where it is used

2 Answers   NPTI, Reliance,