Input Data : Fill data in all boxes below with red and click on "Calculate" button

No.of giders
Capacity in Ton Main Hoist
AH (Leave blank, if no AH)
Span in meter
Ht of lift in meter
Speed in meter M.H
A.H.
C.T.
L.T.

Class of duty M

Type of LT drive
Type of motors for drive forM.H.

A.H.

C.T.

L.T.

Duty of motors

C.T. Rail

L.T. Rail

Optional Input Data (any data, if left blank, will be calculated automatically)

Rope fall M.H. A.H.
Rope drum dia in mm M.H. A.H.
No. of LT Wheels
Weight in Ton Crane
Trolley
Wt. of hook block in Kgs. M.H. A.H.
Ambient Temp deg C

Output

Weight in tons: Crane
EOT Crane Mechanical Calculations (IS-3177-2020)

Mona Saxena & Assoxiates, 5-B, Pocket-B, SFS, vikaspuri Extn, New Delhi-110018
Trolley
Wt. of hook block in Kgc MH Wheel load Kilo N CT LT Ambient temp correction factor=
AH
Wire Rope MH no.of falls dia. mm Length in meter Breaking strength Kgs. All wire ropes 6*36 constuction, 180 class, fibre core types
AH no.of falls dia. mm Length in meter Breaking strength Kgs.
Rope Drum MH dia in mm Length mm Thickness mm after machining including rope grooves
AH dia in mm Length mm Thickness mm after machining including rope grooves
Motor MH HP Frame size

All motors shall be Crane duty, 6pole, TEFC type
AH -"- -"-
CT -"- -"-
LT -"- -"-
Pulley dia mm MH Bottom
_"_ AH Bottom
Wheel dia mm CT LT

Brakes

MH
AH
CT
LT

Couplings

MH input no.

All input coupling to be full geared brake drum type coupling

 Output no. Rope drum type
AH input no. Output no. Rope drum type
CT input no. Output no. Full Geared
LT input no. Output no. Full Geared

--- Gear box overall ratio, Number of teeth in Gear, Pinion and module in First, Second and Third stage ---

Ratio

MH

AH

CT

LT

First stage

Second stage

Third stage

Suggested Gear box size

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