92results about How to "Avoid rigidity" patented technology

The present invention relates to a numerical control device cutter wearing detection method based on a cloud knowledge base and machine learning. The method comprises the steps of: A, constructing andtraining a cutter wearing detection model: (1) establishing a cloud knowledge base, (2) collecting condition data of a workshop and storing the condition data, (3) designing a cutter wearing detection model, and employing a support vector machine to perform training of the cutter wearing detection model; and B, performing cutter wearing detection through the cutter wearing detection model: (4) updating the cutter wearing detection model to a local numerical control machine tool, performing detection of a cutter on the local numerical control machine tool, and when the cutter wearing amount achieve a dulling standard, replacing the cutter, and (5) taking newly detected condition data and the detected cutter wearing amount as feedback information, and transmitting the feedback information to the local numerical control machine tool through a network. The cutter wearing cutter prediction accuracy rate and the detection speed are improved.

The invention discloses a 3D printer with the hook face processing characteristic and belongs to the technical field of digital processing. The 3D printer with the hook face processing characteristic solves the gravity limitation problem caused by a cantilever and a hollow structure in workpiece design engineering, can achieve hook face 3D printing and structurally comprises a fixing framework, a work platform, a parallel connection rod movement sprayer, stepping motors and a synchronous belt. The work platform is inclined through the stepping motors and the synchronous belt. According to the 3D printer, by means of inclination of a machine base platform and movement of a nozzle on a 3D printer body, workpiece cantilever printed pieces and cavity hook face printed pieces can be printed without supporting matter. The 3D printer with the hook face processing characteristic can perform direct printing on a hollow polyhedron, a multilayer cellular structure workpiece and a hook surface workpiece, and the 3D printing efficiency is improved.

The invention discloses a 3D printing machine with an inclinable working platform, and belongs to the technical field of digital machining. The 3D printing machine is a five-shaft linkage 3D printing device based on a parallel mechanism. The working platform is inclined through electric push rods and spherical hinge structures; and the electric push rods are hinged to a lower platform adopted as a static platform of the parallel mechanism through hooke joints to form a 3-PRS parallel mechanism. According to the 3D printing machine with the inclinable working platform, the defects of a traditional two-shaft or three-shaft linkage 3D printing machine are overcome, the printing efficiency is greatly improved through five-shaft linkage, the gravity limit problem caused by a cantilever and a hollow structure during workpiece design engineering is solved, hollow polyhedrons, multi-layer honeycomb structure workpieces and curved surface workpieces can be directly printed through the 3D printing machine, and the 3D printing efficiency is improved.

To provide a winter-use pneumatic tire with which the performance on ice can be enhanced and tread pattern durability can be enhanced. The tread for a winter-use pneumatic tire according to the present invention has blocks which are aligned in the circumferential direction and in which are formed respectively at least one thin incision which extends substantially parallel to a circumferential direction edge and which has a widened portion at its bottom, and at least one series of small holes comprising at least two small holes which open in a ground contacting surface of the block and extend in the inward radial direction of the tire, and the at least one series of small holes is formed in a neighboring region of the circumferential direction edge, and is formed in an intermediate portion between the circumferential direction edge and the at least one thin incision.

The invention discloses a flexible rehabilitation training glove for stroke patients, which comprises a flexible retractable finger traction component and a driving component, and there are five flexible retractable finger traction components arranged in a hand shape. All flexible retractable finger traction components are connected with the driving component, and are stretched under the drive of the driving component; all flexible retractable finger traction components are provided with finger band and/or finger stall. According to the flexible rehabilitation training glove, stroke patients can carry out rehabilitation training for hands, stimulate the reestablishment of neural pathways, prevent the adhesion of soft tissue, prevent muscle atrophy, and avoid the ossification of hand tissue due to calcification, so as to promote the rehabilitation of stroke.

NLG techniques are disclosed that apply computer technology to sentence data for performing entity referencing. For example, a processor can parse sentence data in a defined window of sentence data into a list of entity terms and a plurality of classifications associated with the listed entity terms. A processor can also compute a plurality of context saliency scores for a plurality of the listed entity terms based on the classifications associated with the listed entity terms. For new sentence data that refers to an entity term from the entity term list, a processor can select a referring term for referencing that entity term from a list of candidate referring terms based on the context saliency scores for the entity terms. A processor can then form the new sentence data such that the new sentence data includes the selected referring term to refer to the at least one entity term.

In a pneumatic tire 1, a center land portion 5a between center main grooves 3, a middle land portion 5b between the center main groove 3 and a shoulder main groove 4, and a pair of shoulder land portions 5c extending on outer sides of the shoulder main groove 4 in a tire axial direction are divided from each other. The center main groove 3 includes arc groove pieces 6 which are continuously provided in a tire circumferential direction. The arc groove piece 6 includes an arc portion 7 which is curved to swell toward a tire equator C. The middle land portion 5b is provided with a middle inclined groove 9 which extends from an intersection portion K of the arc groove piece 6 toward the shoulder main groove 4.

There is provided a battery pack mounting structure for an electric vehicle. A battery pack is mounted in a space behind a rear seat of the electric vehicle. Battery modules are accommodated in the battery back are in a stacked state in a height direction of the electric vehicle. A floor panel behind the rear seat is formed with an opening into which an upper part of the battery pack is inserted. When seen from a side of the electric vehicle, a dimension of one battery module disposed at a position protruding upwards from the opening, is smaller in the longitudinal direction than that of another battery module disposed below the one battery module, and a front end portion of the one battery module is offset towards a rear side of the electric vehicle relative to that of the another battery module.

The invention discloses a pair of glasses for exercising muscles in eyeballs through light intensity change to prevent myopia or presbyopia and an application method of the glasses. The pair of glasses comprises a glasses frame and lenses. Each lens comprises a transparent area in the middle and a frosted area surrounding the periphery of the transparent area, wherein an LED backlight belt is arranged along the edge of the frosted area and used for illuminating the frosted area. The glasses frame is further provided with single-chip microcomputers used for adjusting the light intensity of theLED backlight belts, and batteries used for supplying power to the single-chip microcomputers. The frosted area can simulate dynamic light intensity during outdoor activities, and a person periodically looks closely and far through the center areas of the lenses, so that ciliary muscles periodically contract, then crystalline lenses periodically compress and stretch, the function of exercising muscles around the crystalline lenses is achieved, and the effect of improving the elasticity of the crystalline lenses is achieved. Besides, retinas adjust correspondingly, so that stiffness and lengthening of axis oculi are avoided. The LED backlight belts provide part of light energy for books or objects in front for dynamic illumination, and an optical detector is arranged and matched with ambient light for control; the glasses are safe and convenient to use.

A rotational electric machine comprises a stator having a plurality of cores arranged in an annular ring shape and a retaining ring capable of retaining the plurality of cores on an inner circumferential surface so that a surface pressure is applied to an outer circumferential surface of the plurality of cores. The rotational electric machine further comprises a rotor provided radially inside of the stator facing the plurality of cores in a radial direction and rotatable relative to the stator. The stator and the rotor are mounted on a housing. The retaining ring is provided with a flange portion. The flange portion is formed on an axial middle portion of an outer circumferential surface of the retaining ring and to be attachable to the housing.