拉扭疲劳试验机:美国本特利瓦振探头

更新时间：2025-11-23 17:35:52

拉扭疲劳试验机

访问量：568
型号：306
品牌：shorewestern

306 Series Load Frame

Designed to perform static and dynamic bi-axial materials testing, applications include tension-compression techniques as well as fatigue testing or high rate use. The load frame structure is specifically designed to provide maximum rigidity for axial/torsional applications. The Series 306 features a 2-column symmetrical construction with a fixed-platen and moveable crosshead. Typical applications include
• Cyclic material testing
• Application of precision force
• Fatigue testing

These freestanding, fatigue rated load frames come standard in four force-torque configurations; 10/5,000, 20/10,000, 50/20,000, and 100/50,000 KIP/lbf-in (22.2/565, 44.5/1130, 88.9/2260 and 222.4/5649 kN/N-m) with other force combinations available on special order. All units are delivered fully equipped including linear and rotary actuators, servo valves, service manifold and transducers. Both actuators are mounted below the platen with the load cell affixed to the crosshead. The 306 Series Load Frame will accept a variety of load cells and grips and is easily adaptable to standard ASTM and special testing configurations.

Features
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Smooth, chrome plated columns — 306 utilizes two smooth, chrome plated columns to provide long life and easy crosshead position changes.

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Infinitely adjustable crosshead — The crosshead is vertically adjustable with infinite resolution. Position of the crosshead is maintained backlash free by torque wrench tightened bolts or hydraulic fail-safe locks.

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Hydraulic crosshead controls — Hydraulic crosshead positioning with bolted friction clamps is standard on all models. A panel controls crosshead movement, using simple controls you unlock, raise or lower and lock the crosshead. The design ensures a sudden loss of hydraulic power will not result in any unwanted crosshead motion.

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Extremely accurate alignment — The actuator rod and load cell are concentric within .0015 inch @ 15 inches and .002in/ft thereafter.

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Displacement transducers— The actuator has a co-axially mounted LVDT in the piston rod. The rotary actuator has an external RVDT protected by the enclosed metal cabinet. This design protects both sensors and insures accurate displacement signals for the control system.

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Extremely rigid construction — No intermediate threaded joints or compression joints are utilized and the load is transmitted directly into the crosshead during testing.
Simplified maintenance — The entire load train is enclosed in the base assembly and is arranged for easy access to simplify maintenance.

Options
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Hydraulic crosshead locks — Hydraulically operated crosshead locks are available on all models.

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Vibration isolation mounts— Vibration or dynamic testing can produce unwanted noise and vibration that can be transmitted to the laboratory floor. Isolation pads under the load unit help reduce noise and dampen vibrations.

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Safety enclosure — A safety enclosure can be fitted around the test area to protect the operator during destruction testing.

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Actuator options — Different actuator displacements and valves are available, as well as custom force ratings. Service Manifolds, servo-valves and hydraulic power supplies are sized and selected based on application.

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Accessories — Choose from a wide variety of grips, fixtures, extensometers, larger power supplies and various load cell force ratings.

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