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Buffer, Progressive – Type A

These buffers are made with a rubber compound permitting major deformations under impact with notable absorption of energy. They can be made with high-damping rubber to order, however absorption of energy in high damped compound buffers is performed with reduced rebound movement and with slightly higher transfer levels of stress to the structure .

Category:

Product Description

Buffer, progressive type A

Rigid buffers used as end stops or to limit the stroke of moving parts give rise to high impact stresses to structures often causing visible deterioration .This is normally accompanied by unacceptably high noise levels to the human ear , particularly when these impacts are repeated periodically. Rubber buffers eliminate these drawbacks considerably, as they dampen noise and absorb energy . The simple buffer is a flat surface and therefore responds immediately to impact, without over-extending the stroke of the moving part. The progressive buffer has a conical form and therefore makes contact on a progressive basis , increasing deflection with increasing load. This action provides gradual arrest of moving parts, absorbing considerable energy, prohibiting instant high impact stresses.

Applications include: as buffers in limiting impact stress. • End of stroke of spring or damper. • End of stroke of cranes and hoists. • Supporting fragile material or machinery in packaging applications

These buffers can be used in two ways: As actual buffers – impact taking place at the end of a stroke, taking into account the maximum deflection the stop has to give. As flexible mounts where the buffers may be screwed to the base of the machine so that its flat surface rests directly on the floor or ground.

Male threaded mount, included.

progressive-type-a_drawing

Type

A(mm)

B(mm)

C(mm)

H(mm)

Load (kg)

Weight(kg)

Energy(Nm )

Dynamic Deflection mm

Code

T-25

25

19

M-6

12

100

3

8

115024

T-25

25

19

M-8

20

100

0,022

3

8

115001

T-30

30

30

M-6

16

140

0,027

6

15

115002

T-40

35

40

M-10

25

180

0,046

20

20

113025

T-50

50

50

M-8

20

340

0,108

30

25

115003

T-50

50

64

M-8

35

370

0,143

40

32

115004

T-50

50

58

M-8

20

400

0,113

37

28

115005

T-70

72

58

M-12

30

550

0,226

50

26

115006

T-95

95

80

M-16

45

1100

0,558

120

37

115007

 

progressive-type-a_drawing-2

Type

A(mm)

B(mm)

C(mm)

H(mm)

Load (kg)

Weight(kg)

Energy(Nm )

Dynamic Deflection mm

Code

T – 85

84

52

M-12

35

1500

0,328

200

20

116001

T -120

120

75

M-16

45

3000

0,991

340

22

116002

T – 220

220

137

M-24

80

15000

7,734

2500

40

116003

Tech sheet

Buffer, progressive type A