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Supplier: Tinius Olsen, Inc.
Description: Automatic or manual toss correction Auto-calibration for bearing windage and friction Automatic or manual update of specimen number Real-time display of energy is available for verifying the display accuracy against traceable measurements of pendulum height and weight On the
- Mechanical Test: Impact Toughness
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Supplier: CSA Group
Description: pendulum impact testing machine performing the first half-cycle swing from the initial position. NOTE Internal energy losses are due to the following: - air resistance, friction of the bearings of the rotation axis and of the indicating pointer of the pendulum which can
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Supplier: Newport MKS
Description: horizontal isolation is achieved through a mechanical filter system. Compared with other manufacturers' contacting bearing surfaces, Newport introduces zero friction trifilar pendulum system emerged in energy dissipating oil to eliminate the friction that commonly disturb
- Type: Optical Table
- Features: Vibration Isolation
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Supplier: Newport MKS
Description: superior horizontal isolation is achieved through a mechanical filter system. Compared with other manufacturers' contacting bearing surfaces, Newport introduces zero friction trifilar pendulum system emerged in energy dissipating oil to eliminate the friction that
- Type: Optical Table
- Features: Vibration Isolation
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Supplier: Newport MKS
Description: superior horizontal isolation is achieved through a mechanical filter system. Compared with other manufacturers' contacting bearing surfaces, Newport introduces zero friction trifilar pendulum system emerged in energy dissipating oil to eliminate the friction that
- Type: Optical Table
- Features: Vibration Isolation
-
Supplier: Newport MKS
Description: horizontal isolation is achieved through a mechanical filter system. Compared with other manufacturers' contacting bearing surfaces, Newport introduces zero friction trifilar pendulum system emerged in energy dissipating oil to eliminate the friction that commonly disturb
- Type: Optical Table
- Features: Vibration Isolation
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Supplier: H.O. Penn Machinery Company, Inc.
Description: incorporates a one-piece, grey iron block, featuring generous ribbing for stiffness and heavy bearing bulkheads for rigidity and strength. Caterpillar also has moved away from pipe thread ports to straight-thread, o-ring connection points, reducing the potential for leaks. This new design
- Features: Other
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Supplier: H.O. Penn Machinery Company, Inc.
Description: incorporates a one-piece, grey iron block, featuring generous ribbing for stiffness and heavy bearing bulkheads for rigidity and strength. Caterpillar also has moved away from pipe thread ports to straight-thread, o-ring connection points, reducing the potential for leaks. This new design
- Features: Other
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https://digital.lib.washington.edu/researchworks/bitstream/handle/1773/22905/Thonstad_washington_0250O_11481.pdf?sequence=1&isAllowed=y
Figure 2-8: Front and side views of the friction pendulum bearing design.
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Application of frictional pendulum sliding bearings for earthquake engineering
Their con structions have such effective earthquake engineering elements as friction pendulum bearings and are able to sustain the loads that occur during earthquakes of once per 200 years probable provenance without damage or failure.
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Seismic Design of Sakhalin Offshore Platforms
The method is based on use of Friction Pendulum Bearings .
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Dynamic analysis of sliding structures with unsynchronized support motions
Effectiveness of friction pendulum bearings for earthquake protection of such structures has been verified.
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Effect of viscous damping devices on the response of seismically isolated structures
The isolation systems of preference in Japan are elastomeric bearings (lead-rubber and high damping rubber) with few applications of double friction pendulum bearings and of systems combining elastomeric bearings and either yielding steel devices or fluid viscous dampers (termed ‘oil dampers’ …
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Hysteretic models for sliding bearings with varying frictional force
These attributes can be obtained by using multispherical sliding bearings or friction pendulum bearings , which change the stiffness and damping properties at different levels of excitation.
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Seismic performance of single-layer lattice shells with VF-FPB
Friction pendulum bearings (FPB) are recognized as a kind of effective isolation device for protecting and retrofitting an existing structure, but they are not adaptive to different seismic inputs due to the constant friction coefficient and constant radius of curvature.
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Characterizing friction in sliding isolation bearings
Model of Triple Friction Pendulum bearing for general geometric and frictional parameters and for uplift conditions.
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Predicting the displacement of triple pendulum™ bearings in a full‐scale shaking experiment using a three‐dimensional element
The equilibrium method was extended to (i) model friction pendulum bearings with arbitrary numbers of concave sliding plates and (ii) account for bidirectional (2D) behavior through a 2D plasticity model with multiple yield and bounding surfaces [3].