Leaf Ends

The Leaf Ends component provides details about the eye hook types at front and at the rear ends. Currently, only two eye hooks are supported. Other possible options will be slider end.

Currently for the front and rear eye hooks keywords are fixed which are ‘FRONT_EYE_HOOK’ and ‘REAR_EYE_HOOK’.

leaf_spring_leaf_ends_mv

The Leaf Ends section is explained in the following:

Type: Defines the type of eye hook.

leaf_spring_leaf_ends_upturned_mv

•

Upturned:

leaf_spring_leaf_ends_upturned_example_mv

•	Downturned:

leaf_spring_leaf_ends_downturned_example_mv

•

Berliner:

leaf_spring_leaf_ends_berliner_eye_example_mv

Inner Radius: Defines the eye hook radius.

Hook Position: Defines either rear or front position of the hook.

Bushing: By selecting the bushing option, new option Eye Hook Bushing is displayed. Eye Hook Bushing drop-down list all the bushings that are added in the Bushings Component. By default RUBBER BUSHINGS is displayed.

leaf_spring_leaf_ends_bushing_mv

Hook Location: Defines the location of the hook. Represents the centre of the rear eye hook with respect to either ‘Leaf_Ref_Loc’ or ‘BOLTLOCATION’ depending upon the shape condition.

Note	If the shapeCondition is ‘PRE_ASSEMBLY’, location has to be defined with respect to ‘BOLTLOCATION’ of ‘MASTER’ leaf.

Leaf Ends for Leaf Property File (*lpf)

leaf_spring_leaf_ends_leaf_prop_file_example_mv

Block Name = ‘LEAF_ENDS’ (Required)
Attributes	Type	Valid Value	Required
Front	String	'Front_Eye_Hook’, ‘Slider_Front’	Yes
Rear	String	Rear_Eye_Hook’, ‘Slider_Rear’	Yes

Rear Eye Hook for Leaf Property file (*lpf)

An example of how a rear eye hook block is represented in a TiemOrbit file format is shown below:

leaf_spring_leaf_ends_rear_eye_hook_leaf_prop_file_example_mv

Note	Rear Eye Hook block is required only if block name has been instantiated in the “Leaf_Ends” block.

Block Name = ‘Rear_Eye_Hook’ (Required)
Attributes	Type	Valid Value	Required
type	String	‘Berliner’, ‘upturned’, ‘downTurned’	Yes
innerRadius	Real	-	Yes
Location	List	[x,y,z]	Optional

Front Eye Hook for Leaf Property file (*lpf)

An example of how a front eye hook block is represented in a TiemOrbit file format is shown below:

leaf_spring_leaf_ends_front_eye_hook_leaf_prop_file_example_mv

Note	A Front Eye Hook block is required only if a block name has been instantiated in the “Leaf_Ends” block.

Block Name= ‘Front_Eye_Hook’ (Required)
Attributes	Type	Valid Value	Required
type	String	‘Berliner’, ‘upturned’, ‘downTurned’	Yes
innerRadius	Real	-	Yes
Location	List	[x,y,z]	Optional