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NewDamp™ Constant Natural Frequency Elastomeric Isolators
1 /5Pages

NewDamp™ Constant Natural Frequency Elastomeric Isolators

NewDamp™ Constant Natural Frequency Elastomeric Isolators
1 /5Pages

Catalog excerpts

NewDamp™ Constant Natural Frequency Elastomeric Isolators  -1

O p t i c a l Ta b l e s a n d V i b r a t i o n C o n t r o l 1055 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE OPTICAL TABLES HONEYCOMB, GRANITE AND RIGID STRUCTURES BREADBOARDS AND GRID PLATFORMS ISOLATORS WORKSTATIONS AND ISOLATED PLATFORMS STRUCTURAL RAILS AND CARRIERS TESTING, ANALYSIS AND DESIGN NewDamp™ Constant Natural Frequency Elastomeric Isolators ND01 Series ND01-A supports up to 250 lbs. and provides excellent CNF (constant natural frequency) characteristics: the vertical natural frequency is virtually constant at approximately 22 Hz for loads above 70 lbs. per isolator. This compact size isolator ensures excellent horizontal isolation with natural frequencies of 5 to 7 Hz and minimum resonance amplification. The typical isolation characteristics are shown. ND01-A 200 100 0 LOAD (lbs) 0 0.05 0.1 0.15 0.2 0.25 DEFLECTION (in.) 30 25 20 15 10 0 50 100 150 200 250 300 LOAD PER ISOLATOR (lb) FREQUENCY (Hz) 5 0 -5 -10 -15 -20 1 10 100 FREQUENCY (Hz) HORIZONTAL TRANSMISSIBILITY (dB) 5 0 -5 -10 -15 -20 1 10 100 FREQUENCY (Hz) VERTICAL TRANSMISSIBILITY (dB) Specifications Model (Metric) ND01-A (M-ND01-A) Load per Isolator [lb (kg)] 70 (30)–250 (115) Load Range (set of 4) [lb (kg)] 280 (120)–1000 (460) Natural Frequency (Hz) Vertical 21–22 Horizontal 5–7 Height, Isolator [in. (cm)] 1.36 (3.5) Base Dimension [in. (cm)] 2.5 x 1.5 (6.4 x 3.8) Interface Compatability Breadboard, Microlock Dimensions Model ND01-A 1.36 (34.59) A B A SECTION A-A 1.63 DIA (41.28) M6 X 1.0 CLR FOR M6 1.50 (38.10) 2.50 (63.50) A Dimensions [in. (mm)] Model (Metric) A B ND01-A (M-ND01-A) 2.00 (50.0) 1.00 (25.0)

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NewDamp™ Constant Natural Frequency Elastomeric Isolators  -2

Phone: 1-800-222-6440 • Fax: 1-949-253-1680 1056 O p t i c a l Ta b l e s a n d V i b r a t i o n C o n t r o l HONEYCOMB, GRANITE OPTICAL TABLES TECHNICAL REFERENCE AND RIGID STRUCTURES BREADBOARDS AND GRID PLATFORMS WORKSTATIONS AND ISOLATORS ISOLATED PLATFORMS STRUCTURAL RAILS AND CARRIERS TESTING, ANALYSIS AND DESIGN NewDamp™ ND20 and ND30 Series These isolators are based on conical elastic elements. They provide almost equal isolation in vertical and horizontal directions. Within the same design envelope, they provide stiffer, higher load (ND30-A); and softer, lower load (ND20-A) options....

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NewDamp™ Constant Natural Frequency Elastomeric Isolators  -3

O p t i c a l Ta b l e s a n d V i b r a t i o n C o n t r o l 1057 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE OPTICAL TABLES HONEYCOMB, GRANITE AND RIGID STRUCTURES BREADBOARDS AND GRID PLATFORMS ISOLATORS WORKSTATIONS AND ISOLATED PLATFORMS STRUCTURAL RAILS AND CARRIERS TESTING, ANALYSIS AND DESIGN ND40 200 100 0 -100 -200 0.2 0.4 0.6 0.8 1 Time (s) Basis Motion (ìm) Other Elastomer 200 100 0 -100 -200 0.2 0.4 0.6 0.8 1 Time (s) Basis motion (ìm) Customized ND41 NewDamp™ Elastomeric Isolator. Custom machine isolators. Custom machinery feet offer high horizontal damping...

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NewDamp™ Constant Natural Frequency Elastomeric Isolators  -4

1058 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 O p t i c a l Ta b l e s a n d V i b r a t i o n C o n t r o l HONEYCOMB, GRANITE OPTICAL TABLES TECHNICAL REFERENCE AND RIGID STRUCTURES BREADBOARDS AND GRID PLATFORMS WORKSTATIONS AND ISOLATORS ISOLATED PLATFORMS STRUCTURAL RAILS AND CARRIERS TESTING, ANALYSIS AND DESIGN Dimensions Model ND40-A 3.0 (76.2) 3.0 (76.2) 2.48 (63.0) A A 2.63 (66.7) A CLEARANCE FOR M6 M6 X 1.0 A 2.48 (63.0) ø 2.75 (69.9) 2.50 (63.5) SECTION A-A Dimensions [in. (mm)] Model (Metric) A B ND40-A (M-ND40-A) 2.00 (50.0) 1.00 (25.0) ND40-B (M-ND40-B) 2.00 (50.0) 1.00 (25.0)...

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NewDamp™ Constant Natural Frequency Elastomeric Isolators  -5

O p t i c a l Ta b l e s a n d V i b r a t i o n C o n t r o l 1059 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE OPTICAL TABLES HONEYCOMB, GRANITE AND RIGID STRUCTURES BREADBOARDS AND GRID PLATFORMS ISOLATORS WORKSTATIONS AND ISOLATED PLATFORMS STRUCTURAL RAILS AND CARRIERS TESTING, ANALYSIS AND DESIGN Model ND50-A A B 2.4 (61.0) REF A A 1.3 (33.0) REF SECTION A-A 0.265 (6.8) 4 PL REF THD A Dimensions [in. (mm)] Thread Model (Metric) A B Thd A ND50-A (M-ND50-A) 2.00 (50.0) 0.22 (5.5) 10-24 NC-2A (M5-0.8) NewDamp™ ND50 Series These isolators are based on conical elastic elements...

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