摘要:
A viscoelastic characteristic measurement apparatus (1) according to the present invention includes: a sample deforming unit (11) that applies an external force to a measurement sample (S) to impose a cyclic deformation; a first viscoelastic characteristic calculation unit (15) that calculates a low-frequency viscoelastic characteristic of the measurement sample (S) based on stress acting on the measurement sample (S) that has been deformed by the sample deforming unit (11) and distortion of the measurement sample (S); an emission unit (12) that emits an incident sound wave to the measurement sample (S); a receiver (12) that receives a reflected sound wave generated as a result of reflection of the incident sound wave emitted from the emission unit (25) in the measurement sample (S) or a transmitted sound wave generated as a result of transmission of the incident sound wave through the measurement sample (S); and a second viscoelastic characteristic calculation unit (15) that calculates a high-frequency viscoelastic characteristic of the measurement sample (S) at a frequency of the incident sound wave based on the reflected sound wave or the transmitted sound wave received by the receiver (25).
摘要:
A testing device for fixing-load verification is configured such that a coupler (2) having, formed so as to protrude therefrom, a contact part (251/252) that comes into contact with a fixing surface is fixed at a rod-like torque detection unit of a rod-like torque wrench main body (1) and a means (3) for engaging with a fixing bolt (B) is fixed to a side part of the coupler. A side tip part of the engagement means (3) has an open and recessed part (30) for accommodating the fixing bolt (B) from the side, and a protruding part of the fixing bolt (B) is accommodated inside this open and recessed part (30) and the fixing bolt is locked by the deepest part of the open and recessed part (30) or the vicinity thereof. Thus, the testing device for fixing-load verification can be attached to a fixing bolt under test using a simple procedure even when work is being carried out with limited work space. As a result, inspection efficiency is enhanced through simple measurement and a certain degree of measurement accuracy can be ensured.
摘要:
A friction tester is provided which can measure the friction provided by a surface at a slip speed independent to the speed of travel of the friction tester. The friction tester comprises a vehicle which can travel over a surface at a first speed, and a test element which is driven to a second speed, and a measuring device, wherein the second speed is independently controllable; test element is engaged with the surface; and the first and second speeds are different so that the test element slips over the surface with a slip speed.
摘要:
Eine Messvorrichtung zur Messung der Eisadhäsion auf Oberflächen umfasst einen Probenhalter (4) zur Aufnahme einer die zu vermessende Oberfläche umfassenden Messprobe (5), einen Schwingungserreger (3) zur Verformung der Messprobe (5) und eine Sensoreinrichtung (9,10) zur Messung einer durch die Verformung bewirkten Delamination einer auf der Messprobe (5) aufgebrachten Eisschicht (12).
摘要:
The invention relates to a sealing surface correcting device for sealing screws (3), in particular sealing screws handled as bulk material, which are made of metal, in particular cold extruded part sealing screws, comprising shaping means, which are preferably hydraulically driven, for applying a shaping force to a sealing surface (2) of a sealing screw (3), preferably a sealing surface formed on the lower face (10) of a screw head peripheral collar, in order to correct deformations of the sealing surface (2), in particular indentations due to a bulk material handling process. The correcting device also comprises a seal testing means (18) for checking the sealing effect of the sealing screw (3) by applying pressure using a pressure medium, wherein a test chamber (16) for supplying a pressure medium to the sealing screw (3) is a part of the shaping means. The invention also relates to a method for correcting the sealing surfaces of sealing screws and testing the sealing effect in a combined manner.
摘要:
A friction tester is provided which can measure the friction provided by a surface at a slip speed independent to the speed of travel of the friction tester. The friction tester comprises a vehicle which can travel over a surface at a first speed, and a test element which is driven to a second speed, and a measuring device, wherein the second speed is independently controllable; test element is engaged with the surface; and the first and second speeds are different so that the test element slips over the surface with a slip speed.
摘要:
An object of the invention is to provide a material determining apparatus for a steel product and a material determining method for a steel product which can stably and precisely determine a carbon content of the steel product. The invention provides a material determining apparatus for a steel product, which is provided with an imaging device for continuously imaging a spark generated during rubbing the steel product at a plurality of times, a detecting part for detecting spark regions and bursting spark regions from each of the imaged pictures imaged by the imaging device, a calculating part for calculating a total of the spark regions and a total of the bursting spark regions by summing up the numbers of the spark regions and the bursting spark regions detected by the detecting part with regard to each of all the imaged pictures , so as to calculate a ratio of the total of the bursting spark regions with respect to the total of the spark regions, and a determining part for determining a carbon content of the steel product based on the ratio, and a material determining method for the steel product.