LW.A - Vibration-damping levelling elements -Steel base and stem (415111)

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ELESA

Product Details:

Manufacturer part number: 415111

Brand: ELESA

Price: 41.23 €

Delivery time: 25 Days

Technical Data:

D: 80

D1: 72

d: M12x1.25

d2: 60

L: 133

Part Number

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415111

Product specification
Part Numbers
Catalog

LW.A / Vibration-damping Levelling Elements, Steel Base and Stem

Features

ELESA vibration-damping levelling elements have been designed to damp vibrations, shocks and noises produced by moving bodies or non-balanced vibrating masses of equipment and machines which can cause:
- malfunctioning and reduction of the machine lifespan and/or of the adjacent ones;
- damage to operator's health;
- noise.

Material

Base

Zinc-plated steel.

Damping Element

NR rubber, hardness 80 Shore A, black colour, matte finish.

Levelling Plate

Zinc-plated steel.

Packing Ring

NBR synthetic rubber O-Ring.

Threaded Stem

Zinc-plated steel, supplied not assembled.

Nut and Washer

Zinc-plated steel.

Specifications

Code	Description	D	d	D1	L	L1 min÷max	l	l1	d2	s	Max. limit static load [N]	Stiffness [N/mm]	Max. deflection [mm]	Weight
415111	LW.A-80-M12x1.25x120	80	M12 x 1.25	72	133	35÷46	18.5	32	60	7x7	5000	2500	2	530
415121	LW.A-120-M16x1.5x130	120	M16 x 1.5	109	144	40÷51	23	36.5	80	9x9	10000	4000	2.5	1200
415131	LW.A-160-M20x1.5x170	160	M20 x 1.5	150	188	50÷63	29	43.5	130	12x12	20000	9000	2.2	2650
415141	LW.A-200-M20x1.5x170	200	M20 x 1.5	186	198	60÷73	36	54.5	130	12x12	40000	15000	2.7	4500

Assembly Instructions

- Put the base of the vibration-damping element under the machine and insert the stem through the hole (not threaded) in the frame of the machine (fig.1)
- Turn the square end of the stem to take the levelling plate in contact with the machine thus obtaining the levelling required. Then lock with nut and washer (fig.2)

Technical Data and Guidelines for the Choice

1. Basic data required:
- disturbing frequency: the frequency of the disturbing vibration produced by a on-duty machine. In general, it is obtained by the number of rotations of the engine [Hz=r.p.m./60];
- the load applied to every single vibration-damping element [N];
- the isolation degree required [%];
- the deflection value of the vibration-damping element under a given load [mm];
- the rigidity, that is to say the load that applied to the vibration-damping element produces a deflection of 1.0 mm [N/mm].
2. How to choose the vibration-damping element:
- with reference to the diagram for checking the isolation degree, intersect the disturbing frequency value with the isolation degree required (each isolation degree corresponds to a line in the diagram) and define the deflection [in mm];
- divide the load applied onto the vibration-damping element by the deflection value to obtain the required rigidity of the vibration-damping element;
- compare the rigidity obtained with the rigidity shown in the table and choose the vibration-damping element which presents the nearest value (lower) to the calculated one.
3. Check:
- the deflection of the vibration-damping element chosen can be obtained in the graph on the basis of the load;
- intersect the disturbing frequency value with the vibration-damping element deflection value in the diagram to obtain the isolation degree offered by the vibration-damping element chosen;
- compare the obtained value with the isolation degree required.
4. Example:
Conditions of use: disturbing frequency = 50 Hz (3,000 r.p.m.); load applied to every levelling element = 4,000 N; a 80% isolation degree is required;
- diagram shows that with a 50 Hz disturbing frequency and an isolation degree of 80%, the deflection obtained is 0.6 mm;
- divide the load applied by the deflection obtained to define the rigidity required, which is 4,000/0.6= 6,666 N/mm;
- compare the rigidity value obtained (6,666 N/mm) with the values reported in the table. This value is within the rigidity value reported in the table for LW.A-120 (4,000 N/mm) and LW.A-160 (9,000 N/mm). Choose the vibration-damping element with the lower value that is LW.A-120.
For a further check:
- graph shows that LW.A-120 (4,000 N/mm) deflection is 1mm.
- by intersecting the deflection value with the disturbing frequency of 50 Hz in the diagram, the isolation degree obtained is 90%.
This value is even greater than the required one; your choice has proved to be correct.

Data to be displayed: 30; 45; 60

Part Number
415111

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	D	D1	d	d2	L	l	l1	L1 min÷max	s	Max.limit static load (N)	Max.deflection (mm)	Stiffness (N/mm)	Threaded screw	Code	Description
	41.23 €	1	Available	25 Days	80	72	M12x1.25	60	133	18.5	32	35÷46	7x7	5000	2	2500	M12	415111	LW.A-80-M12x1.25x120

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Material	Rubber-Steel

This page is LW.A - Vibration-damping levelling elements -Steel base and stem, part number 415111.
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Basic Attributes

Type
- 415
Clear
D
- 80
- 120
- 160
- 200
Clear
D1
- 72
- 109
- 150
- 186
Clear
d
- M12x1.25
- M16x1.5
- M20x1.5
Clear
d2
- 60
- 80
- 130
Clear
L
- 133
- 144
- 188
- 198
Clear
l
- 18.5
- 23
- 29
- 36
Clear
l1
- 32
- 36.5
- 43.5
- 54.5
Clear
L1 min÷max
- 35÷46
- 40÷51
- 50÷63
- 60÷73
Clear
s
- 7x7
- 9x9
- 12x12
Clear
Max.limit static load(N)
- 5000
- 10000
- 20000
- 40000
Clear
Max.deflection(mm)
- 2
- 2.2
- 2.5
- 2.7
Clear
Stiffness(N/mm)
- 2500
- 4000
- 9000
- 15000
Clear
Threaded screw
- M12
- M16
- M20
Clear
Code
- 415111
- 415121
- 415131
- 415141
Clear
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- 2D
- 3D
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
415121
415131
415141

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	D	D1	d	d2	L	l	l1	L1 min÷max	s	Max.limit static load (N)	Max.deflection (mm)	Stiffness (N/mm)	Threaded screw	Code	Description
65.58 €	1	Available	4 Days	120	109	M16x1.5	80	144	23	36.5	40÷51	9x9	10000	2.5	4000	M16	415121	LW.A-120-M16x1.5x130
112.92 €	1	Available	1 Day	160	150	M20x1.5	130	188	29	43.5	50÷63	12x12	20000	2.2	9000	M20	415131	LW.A-160-M20x1.5x170
196.64 €	1	Available	1 Day	200	186	M20x1.5	130	198	36	54.5	60÷73	12x12	40000	2.7	15000	M20	415141	LW.A-200-M20x1.5x170

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LW.A - Vibration-damping levelling elements -Steel base and stem (415111)

Product Details:

Technical Data: