44results about How to "Guaranteed accuracy consistency" patented technology

The invention belongs to the related technical field of intelligent machining, and discloses a device and a method for force controlling polishing a blade through dragging a teaching robot. The devicecomprises the robot, a six-dimensional force sensor, a polishing mechanism, a position changing machine, and a robot control system; the six-dimensional force sensor is connected with a tail end executor of the robot and the polishing mechanism; the position changing machine is used for bearing the to-be-machined blade; the robot, the six-dimensional force sensor and the polishing mechanism are connected to the robot control system; the six-dimensional force sensor is used for measuring the contact force between the blade and the polishing mechanism in the blade polishing process, and transmitting the detected data to the robot control system; the robot control system is further used for receiving the tail end position information data of the robot, processing the received data to obtainthe corresponding control quantity, and then controlling the robot to drive the polishing mechanism to carry out corresponding motion. According to the device and the method, the skill requirement foran operator is reduced, and the machining consistency and the machining precision are improved.

The invention relates to a method for correcting a single-ended input differential AD converter circuit. The method is used for eliminating conversion errors caused by the single-ended to differential circuit parameter deviation of the input end of the circuit. In a single-ended input data acquisition system of the differential AD converter circuit, the conversion accuracy of a single-ended input and differential output converting circuit is affected by the resistance derivation of a resistor. According to the method for correcting the single-ended input differential AD converter circuit, the resistor resistance having the resistance deviation is introduced as a parameter for calculating the sampled voltage value on the basis of a conventional sampled voltage value computing algorithm and a correction algorithm for correcting the conventional sampled voltage value computing algorithm is obtained, and therefore, the influence of the resistor resistance deviation on the accuracy of sampled voltage value computation is eliminated, and the accuracy consistency of the data acquisition system is guaranteed.

The invention discloses an automatic leveling device for a binocular stereo camera, its leveling control system and a control method. The device includes a leveling target, a control system, a clamping system and a movement adjustment system; The image position signal of the leveling target is received to control the action of the clamping system and/or the movement adjustment system; the clamping system clamps or releases the two circuit boards according to the instructions of the control system; the two moving The adjustment system abuts against the two circuit boards in one-to-one correspondence, and drives the circuit boards on the corresponding sides to reciprocate in the vertical direction for preset displacements according to the instructions of the control system. The automatic leveling device of the binocular stereo camera can realize automatic leveling without manual leveling by staff, thereby simplifying the camera leveling operation process and reducing the workload of camera leveling.

The invention provides conveying equipment for an automated production line for steel grid plates. The conveying equipment comprises a rack, transmission shafts, multiple clamp mechanisms and multipletransmission belts. The two ends of the transmission shafts are mounted at the two sides of the rack through bearing seats correspondingly. Each transmission shaft is provided with multiple transmission wheels, wherein the number of the transmission wheels on one transmission shaft is the same as that of the transmission wheels on another transmission shaft. Each transmission belt is connected with the transmission wheels at the corresponding positions of all the transmission shafts an engaged manner. Each clamp mechanism comprises a limiting device A, a limiting device B and two or more clamp bearing plates. Each clamp bearing plate is mounted on the corresponding transmission belt. Each limiting device A and the corresponding limiting device B are mounted on the corresponding clamp bearing plates correspondingly. By means of the conveying equipment, all the clamp mechanisms used in all procedures for producing the steel grid plates are unified into the fixed form and mounted on an annular conveying belt of a conveying mechanism, so that the clamp mechanisms enable the manufacturing procedure positions to be changed with operation of the conveying belt; the automation level of steel grid plate production is raised; and product precision, quality and conformance are improved.

The invention discloses a high-precision crank shaft for a speed reducer and a machining method thereof. The high-precision crank shaft comprises a crank shaft body, wherein the crank shaft body is a cylinder; the crank shaft body is provided with at least two eccentric wheels (2) with the phase difference of 180 degrees; precision top holes (3), which are used as positioning standards of a spline (4) and the eccentric wheels (2), are formed in two end parts of the crank shaft body; the machined spline (4) is located at the end part of the crank shaft body; at least two machined eccentric wheels (2) are located in the middle of the crank shaft body; annular yielding grooves (5) are formed in two ends of the eccentric wheels (2). The high-precision crank shaft for the speed reducer is simple in structure; the quantity of parts is greatly reduced; the high-precision crank shaft is easy to control, low in cost and long in service life; the precision uniformity of the crank shaft can reach no more than 0.003mm and the high-precision requirements of a robot RV speed reducer are met.

A manufacturing method of a lithium ion battery comprises the following steps of S1, placing a bare cell in a dry environment for baking, placing the bare cell in a battery shell after baking, and injecting a liquid in the dry environment, wherein the bare cell is connected with a tab with a channel, and the channel is used for a liquid injection process of the bare cell; and S2, after liquid injection is completed, carrying out a formation process, discharging a gas generated by formation from the channel, then sealing the channel, and completing manufacturing of the lithium ion battery. Compared with the prior art, by using the method of the invention, the bare cell is baked firstly, and a baking speed of the unpackaged bare cell is greatly increased due to a fact that the unpackaged bare cell is not wrapped by an external aluminum-plastic film. Besides, the tab with the channel is adopted for liquid injection so that an electrolyte is injected into the battery from an internal channel of the tab, and meanwhile, the gas generated by formation is discharged from the channel so that use of the aluminum-plastic films can be reduced, a large number of aluminum-plastic films are saved, and production cost is reduced.

The invention relates to the technical field of precise machining of a TiC -based steel bonded hard alloy, and in particular relates to a TiC-based steel bonded hard alloy fine external thread millingdevice and a numerical control milling method thereof. The milling device comprises a box body with an opening at the upper end, the box body is filled with cooling liquid, a fixing base is arrangedin the bottom surface of the box body, a spring chuck is arranged at the upper end of the fixing base, and the spring chuck is used for fixing a part to be milled; Under the fixed state of the part, the height of the upper end part of the part is lower than the height of the side wall of the box body, the side of the part is suspended with a milling cutter, the milling cutter adopts a polycrystalline diamond coating, the main cutting edge part of the milling cutter adopts a two-edge mode, and the two edges are arranged in a coplanar manner.

The invention belongs to the technical field of light machine precision adjustment, and discloses a telephoto folding axis lens group concentricity precision adjustment method, which comprises the following steps: S1, designing a semi-reflecting and semi-transmitting tool partition, and carrying out position calibration by adopting a centering turning calibration method to meet the condition that a partition scribed line on the surface of partition glass is concentric with the outer circle of a tool lens frame; the outer circle of the tool lens frame is matched with the inner hole of the folding-axis lens barrel of the telephoto folding-axis lens group; s2, calibrating the mechanical axis of the folding-axis lens barrel to be consistent with an internal focusing axis in an internal focusing and centering mode, adjusting the position of a reflector group at the folding position of the folding-axis lens barrel, ensuring that the graduation lines of the tool graduation fall on the internal focusing axis, and realizing that the assembling and adjusting precision of the folding-axis reflector meets the requirement; and S3, calibrating the consistency of the optical axis of the lens assembly and the mechanical axis through a centering turning calibration method, assembling the transmitting mirror into the lens barrel, and ensuring that the assembling and adjusting quality of the telephoto folding-axis mirror meets the requirements. According to the invention, the performance and the imaging quality consistency of the folding-axis optical lens group product are greatly improved.

A line spectrum confocal sensor comprises a light source, a light source optical fiber, a dispersion objective lens, a spectrograph optical fiber and a spectrograph, wherein the dispersion objective lens comprises a first lens group and a second lens group which are sequentially arranged from the object space of the dispersion objective lens to the image space of the dispersion objective lens, the first lens group is used for controlling telecentricity of the object space and carrying out preliminary dispersion on modulation detection light, the second lens group is used for controlling the telecentricity of the image space and further dispersing the modulated detection light, the long focal length of the first lens group and the short focal length of the second lens group are matched to control the zoom ratio between the object space of the dispersion objective lens and the image space of the dispersion objective lens, and the spectrograph is used for distinguishing the wavelength of an echo and generating images at different pixel positions on the camera. According to the line spectrum confocal sensor system, the dispersion objective lens is designed into a double-telecentric structure, so that the consistency of the brightness and the precision of a measurement light spot projected on a measured object can be effectively ensured.

The invention provides a motor magnetic pole manufacturing method and belongs to the technical field of motors. The problems that existing motor magnetic pole machining is high in cost and low in production efficiency are solved. A magnetic pole comprises a pole shoe which is in a circular arc sheet shape, and a pole core located on the middle portion of a convex surface of the pole shoe. The motor magnetic pole manufacturing method comprises the following sequential steps that firstly, a billet is selected; secondly, preforming is performed, specifically, the billet is placed into a first cold extruding die to be subjected to cold extrusion, and the billet is preformed to be a preformed component; thirdly, forming is performed, specifically, the preformed component is placed into a secondcold extruding die to be subjected to cold extrusion, and the preformed component is formed to be a formed component; and fourthly, side cutting is performed, specifically, scrap portions of the formed component are cut off to obtain the magnetic pole. According to the motor magnetic pole, the method that the pole core is subjected to cold extrusion forming firstly and then the pole shoe is subjected to cold extrusion forming is adopted, the pole shoe forming precision and the pole shoe portion metal structure density uniformity are effectively guaranteed, and accordingly, it is effectively guaranteed that motor magnetic fields are distributed uniformly.

The invention provides a processing device and method for louver blades. The processing device includes a first clamp plate, a second clamp plate and a third clamp plate, the first clamp plate, the second clamp plate and the third clamp plate are assembled in sequence from right to left, the second clamp plate is provided with a plurality of blade grooves, an inclination angle is arranged on the bottom surface of each blade groove, the blade grooves are used for installing the louver blades to be processed, the first clamp plate and the third clamp plate are each provided with fixing grooves,and the fixing grooves are used for assembling the louver blades to be processed. The multiple louver blades to be processed are assembled at the same time through the multiple blade grooves, the problem of wasted time of multiple times of clamping in a single time of processing of the blades is solved, meanwhile, the problems of waste and large processing volume of multiple accurate grinding processes are solved, high-efficiency batch processing which can be completed by one-time clamping and one line cutting is realized, and the production and processing efficiency is greatly improved.

The invention discloses a mold shell and mold core same mill group modular surface taper method. A mold shell and a mold core are located on same equipment, and machined by using a same fixture and asame angle. The invention further discloses a mold shell and mold core same mill group modular surface taper system which comprises the equipment and the fixture, and the mold shell and mold core samemill group modular surface taper system is used for machining the mold shell and the mold core which are matched with each other. Compared with the prior art, the mold shell and mold core same mill group modular surface taper method and system ensure the consistency of the angle and precision of the group modular surface, the group modular surface is completely surface contact, generated frictionis sharply increased, in addition, pressure stress to the mold core by the mold shell is increased, and the fatigue life value of a mold is sharply increased.

The invention belongs to the technical field of machining and provides a multistage outer tightly-sealed ring component combined machining method through which surface machining quality and accuracy uniformity of outer tightly-sealed ring components can be guaranteed after mounting and demounting for many times. The multistage outer tightly-sealed ring component combined machining method can solve the machining problem of multistage outer tightly-sealed ring components, and is convenient to operate and simple in machining. The method includes the following steps: step 1, placing a connecting shell on a base, and fixing the connecting shell, wherein a plurality of mounting grooves of the outer tightly-sealed ring components and connecting members are continuously formed in the inner side wall of the connecting shell; step 2, alternatively mounting the outer tightly-sealed ring components and the connecting members in the mounting grooves of the connecting shell sequentially until the outer tightly-sealed ring components and the connecting members at each stage are mounted fully; step 3, placing parts after combined mounting into machining equipment for machining.

The invention discloses a dispersion objective optical path. The optical path comprises a first lens group and a second lens group which are sequentially arranged from an object space to an image space, and is characterized in that the first lens group is used for controlling telecentric object space and carrying out preliminary dispersion on modulation detection light projected by an optical fiber array; the second lens group is used for controlling telecentric image space and performing secondary dispersion on the modulated detection light, and is used for zoom control from the object space to the image space through cooperation of the long focal length of the first lens group and the short focal length of the second lens group, the object space/image space zoom ratio= f1/f2, f1 is the focal length of the first lens group, f2 is the focal length of the second lens group, the object space is an optical fiber array, and the image space is the line length projected by the dispersion objective lens light path. According to the dispersion objective lens light path disclosed by the invention, dispersion is generated by using a double telecentric light path, and consistency of brightness and precision of a measurement light spot projected on a measured object can be effectively ensured.