Disclosed are an integral clamping steel strand drawing test apparatus, and a method for using same, wherein same are suitable for use in a steel strand mechanical property test. The apparatus comprises a rectangular lower base (13) and a rectangular upper base (14), with a hydraulic telescopic mechanism being provided between the lower base (13) and the upper base (14), the hydraulic telescopic mechanism being provided with an integral clamping mechanism, a steel strand test piece (4) to be tested being provided in the integral clamping mechanism, the steel strand test piece (4) to be tested being provided with a plurality of binding protective devices (2), and a safety protection door (16) being provided outside the hydraulic telescopic mechanism. During a steel strand drawing test, the property of a steel strand itself is fully brought into play, and the integrity of the steel strand test piece (4) is maintained, thereby being able to accurately reflect various mechanical properties of the drawn steel strand while preventing damage to the device and injuring an operator caused by a fracture in a single strand or a plurality of strands of the steel strand during the test. The device is simple and easy to operate, and has good practicability and promotional and application value.

In some embodiments, a shaft testing device comprises a support comprising a non-contact bearing. The support is arranged to support a workpiece such as a shaft. A loading mechanism comprises a non-contact bearing. The loading mechanism is arranged to apply a load to the shaft. In some embodiments, the load is applied orthogonal to a longitudinal axis of the shaft. In some embodiments, a non-contact bearing comprises an air bearing.

A method and apparatus for testing rings cut from pipes for use in making subsea pipelines are described. The method for determining the whether a test ring is correctly assembled in a test chamber for testing pipes for use in making subsea pipelines comprises: mounting a test ring in a pressure chamber such that the ends of the test ring forms seals with opposing surfaces of the chamber to isolate the inside of the test ring from the outside; providing means for measuring the displacement of the test ring; providing means for measuring a force applied to the inner surface of the test ring; applying a force to the inner surface of the test ring; and using the displacement measurement and force measurements to determine whether the test ring is correctly mounted in the pressure chamber.

A heating and cooling device includes a conductive structure, an electric heating pipe and a housing. The housing has a main body and a test space formed in the main body, the electric heating pipe is attached on the main body and used for heating a testing plastic material in the test space, and the housing is covered outside the conductive structure and separated from the main body to form a cooling flow channel. The housing and the main body are separated without contacting each other, so that the dissipation of the heat energy of the electric heating pipe through the housing can be reduced in the heating process, and the function of thermal preservation can be provided. Moreover, the cooling effect can be improved through the larger cooling flow channel during the cooling process. A PVT equipment using the heating and cooling device is further provided.

In some embodiments, a shaft testing device comprises a support comprising a non-contact bearing. The support is arranged to support a workpiece such as a shaft. A loading mechanism comprises a non-contact bearing. The loading mechanism is arranged to apply a load to the shaft. In some embodiments, the load is applied orthogonal to a longitudinal axis of the shaft. In some embodiments, a non-contact bearing comprises an air bearing.

Disclosed example material testing systems include: a material testing apparatus configured to receive an electrical supply, wherein the material testing apparatus comprises: guide means; sample holding means configured for holding a sample; force means configured for applying force to the sample; and a crosshead arranged to support at least a portion of one or both of the sample holding means and the force means, wherein the crosshead is moveable about the guide means; a three phase switched-mode power supply unit arranged to provide the electrical supply to the material testing apparatus; and one or more blocking means connected with a power output of the three phase switched-mode power supply unit, wherein the blocking means is arranged to prevent an electrical current at the power output of the three phase switched-mode power supply unit from flowing in a predetermined direction.

A temperature control system and method for devices under test and an image sensor-testing apparatus having the system are provided. The temperature control method for devices under test mainly comprises the steps of regulating the temperatures of a plurality of devices under test (DUTs) to a specific temperature in a temperature control zone; transferring the plurality of devices under test to a test plate and placing them into a plurality of test slots respectively; and measuring the temperatures of the device under test by the temperature-sensing elements in the test slots, wherein when at least one temperature-sensing element of the temperature-sensing elements detects that the device under test in the test slot corresponding to said at least one temperature-sensing element fails to meet the specific temperature, a temperature control element corresponding to the test slot regulates the temperature of the device under test.

The present invention relates to a chip tray positioning device, which mainly comprises a frame body, a tray conveying module, a pulling module, a pushing module and a controller. The tray conveying module is disposed on the frame body, electrically connected to the controller and controlled to convey a chip tray from the start area to the end area. The pulling module and the pushing module are disposed on the frame body, electrically connected to the controller and controlled to cause the chip tray to be abutted against the end wall and the lateral wall of the frame body, thereby realizing the positioning of the chip tray and eliminating an error formed in the transfer process of the chip tray. In addition, the controller also controls the pushing module to knock the chip tray at a specific frequency so that the chip tray is vibrated.

A device for testing overall anchorage performance of a basalt fiber reinforced plastic (BFRP) anchor cable includes an anchor cable anchoring system and a data acquisition system. The anchor cable anchoring system includes a test bed, BFRP arranged over the test bed, and a distributed optical fiber bonded to a surface of the BFRP, the test bed being provided with an anchoring section at one end and an outer anchoring section at the other end, the anchoring section anchors one end of the BFRP, and the outer anchoring section anchors the other end of the BFRP. The data acquisition system includes a modem and a grating connected to two ends of the distributed optical fiber in series, and a center hole jack and a dynamometer arranged between the outer anchoring section and an end of the test bed, and the BFRP penetrates the center hole jack and the dynamometer.

A system for testing or calibrating a part, the system including: a plurality of test stations, each test station including a container and a clamping mechanism, wherein the clamping mechanism includes: a clamp frame including: two clamp plates; a plurality of clamp bars configured to securely hold the clamp plates at a distance relative to each other; a seal manifold provided on one of the two clamp plates; and a clamping module, located opposite the seal manifold on another of the two clamp plates, wherein the clamping module includes: a plurality of pistons to hold the part against the seal manifold for the test operation; and at least one cleaning station comprising a spin mechanism for spinning the part to remove excess fluid; and a robotic system for moving individual parts to and from the plurality of test stations and to and from the at least one cleaning station.