11results about "Investigating machinability" patented technology

This invention discloses a material performance testing drive device and testing system. The material performance testing drive device includes a frame, a test frame, a feeding assembly, and a linkage assembly. The frame has a first slide rail and a second slide rail; the test frame is used to clamp the material to be tested and is slidably mounted on the first slide rail; the feeding assembly is used to move the simulated material to the working position and is slidably mounted on the second slide rail; the linkage assembly includes a rotary drive component, a driving gear, and a driven gear. The rotary drive component is mounted on the frame, and its output shaft is fixedly connected to the driving gear. The driving gear is driven by the test frame, and the driven gear is driven by the feeding assembly. This invention achieves intermittent mechanical coupling between a single drive source and the gear transmission structure in either a meshing or disengaging state. Furthermore, the test frame and the feeding assembly are driven by the same rotary drive component, enabling coordinated and synchronous control of the movement of the material to be tested and the feeding of the simulated material.

The utility model belongs to the technical field of glove performance test, concretely relates to a kind of cutting resistance testing device and glove production equipment, including support frame and test cylinder, the top four corners of support frame each is fixed with one bearing seat, between the bearing seat of two sides of support frame and two groups of opposite settings each rotatably penetrates a driving shaft, two driving shafts are parallelly arranged, and two ends of single driving shaft each is fixed with one driving wheel, and the both ends of test cylinder are rotatably supported on four driving wheels of two driving shafts, and the extension of single driving shaft one end is fixed with belt pulley, and the belt pulley is connected with rotary motor by belt drive.

This application discloses a suitability testing method for ultrasonic machining of honeycomb core materials, belonging to the field of honeycomb core material machining technology. The suitability testing method includes: determining the critical conditions of the process based on material properties and quality requirements; establishing a mapping relationship between material parameters and cutting forces and inversely calculating the critical cutting force; subsequently calculating the motion state and impact force of the tool under ultrasonic vibration; and finally, determining whether ultrasonic machining can be used based on the comparison between tool displacement and material fracture limit, and impact force and critical cutting force. This application can quickly determine the suitability of ultrasonic machining for new material honeycomb core parts without requiring extensive trial cutting experiments, effectively saving time and costs, and improving the application efficiency and accuracy of parameter determination of ultrasonic processes.

The utility model provides a kind of adjustable bone plate clamping device, including rack, a pair of first fixed beam being fixed in the upper portion of rack and along the longitudinal parallel arrangement of rack and a pair of second fixed beam along the transverse parallel arrangement of rack, the both ends of first fixed beam are intersected with second fixed beam and fixed, and at least one first fixed beam can be moved along second fixed beam transversely, first fixed beam is provided with the first fixed part for clamping bone plate, first fixed part can be moved to the width direction of first fixed beam to adjust the clamping width of bone plate, the clamping length of bone plate is adjusted by the movement of first fixed beam along second fixed beam. The position between two first fixed beams is adjustable, and the position of first fixed part on first fixed beam is adjustable, so that different sizes of bone plate can be fixed. The bottom of bone plate has no other components, and even if the ultrasonic knife drops too much during cutting, it will not cause the data of ultrasonic knife to be incorrect.

This application discloses a method and apparatus for testing the cut resistance of tire rubber. The method involves preparing samples according to at least two tire rubber formulations to obtain tire rubber samples corresponding to each formulation. The tire rubber samples are then tested based on the impact head type and a set number of revolutions of the cut resistance testing apparatus to obtain cut resistance parameters corresponding to the set number of revolutions. Based on all cut resistance parameters and the set number of revolutions for all tire rubber samples, a cut resistance curve is generated, and the target tire rubber formulation is determined. By combining different set number of revolutions configured in the cut resistance testing apparatus, multiple tests are performed on tire rubber samples made from different tire rubber formulations to effectively ensure the applicability and accuracy of the test results. Furthermore, by utilizing the impact head type set in the cut resistance testing apparatus to simulate different application scenarios, the testing operation is not only simple and low-cost but also ensures the reliability of the test results, thereby improving overall testing efficiency.

A kind of spent fuel assembly disassembly cutter performance evaluation device and evaluation method, for the sawing machinability of nuclear grade material of irradiated spent fuel assembly in dry condition without lubrication is carried out system test and quantitative evaluation, the device includes: main test table, including main rack, main work platform, main drive mechanism, transverse drive mechanism, vertical drive mechanism, cutter and spent fuel assembly clamp, cutter is connected with main drive mechanism;Sub-test table is set in the side of main rack corresponding to main drive mechanism;And control system, for controlling main drive mechanism, transverse drive mechanism and vertical drive mechanism, and real-time detection torque, current, vibration, noise and cutter temperature of main drive mechanism output, real-time monitoring cutter tooth wear and the cutting topography of being cut object, collect and store test data, and construct dry sawing reliability feature database.The present application also provides spent fuel assembly disassembly cutter performance evaluation method.

The application discloses a kind of liquid environment in ultrasonic auxiliary scratch test device and method, it uses ultrasonic vibration auxiliary technology, combines motion control platform and electric two-dimensional sliding table system, realizes the high-precision simulation of tool in liquid immersion condition and the accurate regulation and control of scratch process parameter.By accurate force measurement, the mechanical evolution process of burr formation under liquid immersion condition is collected in real time, a new experimental research method is constructed for revealing material removal mechanism and liquid immersion burr formation law, which significantly improves the experimental controllability and data reliability of burr formation mechanism research under liquid immersion condition.

The application discloses a multifunctional test bench for bale wrapping film cutting test, and belongs to the technical field of cotton processing test equipment. The application comprises a rack, a feeding moving assembly, a cutting assembly and a film tension assembly. A cotton bale supporting and limiting structure is arranged at the rear part of the rack to form a cotton bale wrapping film cutting test area. A film tension assembly is arranged at the front part of the rack to form a wrapping film sample cutting test area. The feeding moving assembly is used to drive the cutting assembly to move between the two test areas and adjust the cutting height. The cutting assembly comprises a motor, a torque sensor, a rotating shaft and a disc cutter connected in sequence, and is used to perform cutting and monitor the cutting torque in real time. The film tension assembly comprises a tensioning device, an adjusting roller, a fixed roller and a tension sensor, and is used to tension the wrapping film sample and monitor the tension thereof. The application realizes two kinds of cutting tests and parameter detection on the same test bench, and can perform comparative analysis under the same tension, the same rotating speed and other conditions, thereby providing a reliable test platform for cutting mechanism research and parameter optimization.

This invention discloses a tool aging analysis system for slitting machines, belonging to the field of tool analysis technology. It includes a data acquisition module, a database, a status monitoring module, an aging analysis module, and a maintenance and replacement module. Through image recognition and speed parameter calculation, it can effectively assess the sharpness and wear status of the tools, with high accuracy and real-time performance, improving tool utilization efficiency, machining quality, and production cost control. Simultaneously, by analyzing sharpness and wear values, it can promptly replace or maintain severely worn tools, effectively extending tool life and reducing tool failure rates. Analysis of aging values ​​allows for timely identification of tools requiring replacement, avoiding machining quality problems caused by tool aging. Accurate aging prediction can reduce sudden downtime caused by tool aging, maintaining production continuity, and enabling maintenance and replacement before tools completely fail, minimizing production interruption time.

The application discloses a single-tooth cutting force measuring method for a hard alloy circular saw blade, and belongs to the technical field of cutting force measurement. The method comprises the following steps: preparing a single-tooth equivalent saw blade with the same diameter and tooth shape parameters as a multi-tooth saw blade to be measured; feeding a workpiece at an equivalent speed obtained by dividing a normal feeding speed by the number of teeth; building a three-way strain measuring device of a square cross-section force bar, and pasting strain gauges on three surfaces of the force bar; executing cutting at a cutting end point and collecting strain signals; and calculating tangential force, axial force and radial force according to bending theory. The application eliminates multi-tooth load coupling through a single-tooth equivalent cutting principle, indirectly measures by using a force bar to avoid signal transmission difficulty of a rotating part, and has the advantages of high precision, low cost and simple operation.

The application discloses a cutter head test system and method for a cutter suction dredger, and belongs to the technical field of dredgers. The cutter head test system for the cutter suction dredger comprises a cutter body, a cutter head structure is arranged in the cutter body, and further comprises a breaking mechanism, a support is arranged between the breaking mechanism and the cutter body, the breaking mechanism comprises a breaking blade, a displacement assembly for driving the breaking blade to displace, a lifting assembly arranged on the displacement assembly and used for driving the breaking blade to lift and fall, and a driving part arranged on the support and used for driving the displacement assembly to work, wherein a positioning part is arranged on the support and used for limiting the activity range of the lifting assembly; the driving part drives the displacement assembly to act, the displacement assembly cooperates with the lifting assembly to drive the breaking blade to break the test soil which is about to be cut by the cutter head structure, the cutting resistance of the test soil on the advancing path to the cutter head is reduced, the dredging effect of the cutter head is improved, the cutter head is prevented from being damaged, and the test cost is reduced.