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Heavy Duty Rod Systems

Heavy Duty Rod Systems
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O p t o - M e c h a n i c s 717 Email: sales@newport.com • Web: newport.com TECHNICAL REFERENCE MIRROR MOUNTS LENS HOLDERS SPECIALTY OPTICAL MOUNTS POST AND ROD SYSTEMS BASES AND BRACKETS RAIL SYSTEMS EDUCATIONAL KITS ACCESSORIES Heavy Duty Rod Systems Standard Rods 40 (M-40) 41 (M-41) 70 (M-70) 71 (M-71) 370-RC (M-370-RC) Models 40 and 70 rods have the sturdiness suitable for the majority of general laboratory applications. Both models are 14 in. (356 mm) tall. Model 70 has a nylon gear rack set into the rod for rack-and-pinion control over component elevation. Models 41 and 71 short rods are 7 in. (178 mm) tall and have a smaller resonant vibration amplitude than the longer rods. Their low profile makes them ideal for compact experimental setups. The rods are made round to 0.0005 in. (12 ìm) to mate repeatedly with the bore of every Newport rod-mounted component. A chromed finish is applied for a low-reflectivity surface that, unlike aluminum, is resistant to gouging, scratching and corrosion, allowing for many years of service. VPB (M-VPB) Model VPB Adjustable Base is a stiff, low-profile adjustable platform designed for stable mounting of Newport rods and components anywhere on our optical tables and breadboards. Model VPB has XY sliding adjustments for complete positioning freedom on any mounting surface with a standard pattern of 1/4-20 (or M6) mounting holes on 1 in. (25 mm) centers. • Ideal for mounting heavy components • Standard and vibration damped versions • Available with gear rack to assist in vertical positioning 340-RC (M-340-RC) 370-RC (M-370-RC) 34 (M-34) 300-P (M-300-P) 670-RCT 670-RCB A custom Newport rod wrench is provided with each standard rod for easy attachment. Damped Rods 45 75 Model 45 (left) and Model 75 shown with 370-RC Clamp (right) Models 45 and 75 Damped Rods are the most sophisticated rods available for critical applications where acoustical and vibrational forces are a concern. These rods incorporate cylindrical masses constrained by damping layers, concentrated in the upper portion of the rod where they are most effective in dissipating vibrational energy. This construction is the result of extensive computer modeling, dynamic testing and structural analysis. Newport’s patented internal damping system provides unmatched vibrational immunity. Compared to the best alternative designs, Newport damped rods exhibit 60% higher resonant frequency, 100% faster vibration decay and 160% better peak compliance. These 14 in. (356 mm) long rods mount to tables and breadboards with four bolts through a special ring base. Model 75 has a nylon gear rack for rack-and-pinion control over component elevation.

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718 SPECIALTY OPTICAL LENS HOLDERS MIRROR MOUNTS TECHNICAL REFERENCE MOUNTS ACCESSORIES EDUCATIONAL KITS RAIL SYSTEMS BASES AND BRACKETS POST AND ROD SYSTEMS Phone: 1-800-222-6440 • Fax: 1-949-253-1680 O p t o - M e c h a n i c s Damped Rod Performance The time-domain responses shown in Figures 1 and 2 dramatically illustrate the difference between the Newport approach and alternative damping implementations when the rod is supporting a load. +1 0 -1 0.1 0.2 0.3 0.4 0.5 DECAY TIME (SEC) 0 Fig. 1: Time response of a Newport Model 45 Damped Rod supporting a 2.5 lb (1.1 kg) load. +1 0 -1 0.1...

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Heavy Duty Rod Systems 2Pages

Catalog excerpts

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Heavy Duty Rod Systems
2Pages