High Load Urethane Spring Counterbore Hole Type:USZL,USZLK0 pages

General Description of Urethane Spring
FOR HIGH LOAD
Application Example

Optimum for pad pressure of press tools
Urethane spring USA and USX for
press tools use polyester based cast

For operation with single stage spring

urethane elastomer which is heat

hd8

resistant. It is excellent in repeated

hd4

Guide Pin

Shoulder Bolt

compression. It also has high impact

Stepped Bushing

hd10

resilience, impact resistance, weather
resistance and load resistance. It is the

hd3

source of press tools.

Pressure Source
Components

hd1

optimum product for pad pressure

Retainer

hd2

Features
(1) Since material is hard and elastic,
it is excellent in impact resistance
and shows a strong performance
as a spring.

Physical Properties

(2) Since it is excellent in oil resistance,
weather resistance and aging
resistance, the service life is long.

Hardness

(3) Additional cutting and grinding
can be made with ease.

Item

Physical Property Values

Radius (Refer to the radius in the detailed drawing for non-machined surface.)

Shore A 90˚
HRS 45˚

For operation with double stage spring
Detailed Drawing of Radius

Navy blue

Color

59MPa

Tensile Strength
100%
300%

Modulus

hd6

Spacer

7.53MPa
15.2MPa

Elongation

hd7

510%

Tensile Strength

109N/mm

Impact Resilience

(4) Shape is a thick wall round pipe
and is easy to handle.

d

Polyester Based

Material

28%

hd5

Application Range
Characteristic Value

Item

Deflection Rate Limit for Operation
SPM Limit for Operation

hd9

25%

D sh 90

60SPM

D gh 90

40SPM

Ambient Temperature Limit for Operation

Dimensional table (calculation table based on d1)
Urethane Spring

50˚C

Guide Pin

Hd1

Hd2

Hd3

Hd4

Hd5

For hd1= 40

40

14

49

13

For hd1= 80

80

22

95

20

Use 18 guide pin for 60,

517

Spacer

Others

Hd6

Hd7

Hd8

Hd9

Hd10

M10

50

14

15

60

50

M16

100

22

22

110

100

80, 100 USX type (P.1701).

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