31 results about "Ball size" patented technology

The invention discloses high-spheroidization-rate spheroidal graphite cast iron for silicon carbide auxiliary spheroidization inoculation and a preparation method thereof, and belongs to the technical field of metal material casting. The preparation method of the high-spheroidization-rate nodular cast iron for silicon carbide auxiliary spheroidization inoculation comprises the six steps of preparation of an auxiliary spheroidizing agent, preparation of an auxiliary nucleating agent, burdening, smelting, spheroidization inoculation and pouring. The tensile strength of the obtained nodular cast iron casting finished product is 463-498 MPa, the yield strength is 310-320 MPa, the elongation is 7.2-9.8%, the brinell hardness is 180-220, the minimum impact energy is 49-55 J, the graphite spheroidization level is 1-2 levels, the spheroidization rate is 95-97%, and the size level of graphite nodules is 6-7 levels.

The utility model relates to the technical field of bearings, and discloses a bearing ball size screening device which comprises a screening shell, one side of the outer surface of the screening shell is fixedly connected with one side of a supporting plate, one side of the upper surface of the supporting plate is fixedly connected with the lower surface of a first motor, and the other side of the first motor is fixedly connected with one end of a first transmission shaft. One side of the outer circumference of the first transmission shaft is fixedly connected with one side of the inner circumference of a transmission rod, the other side of the inner circumference of the transmission rod is fixedly connected with one side of the outer circumference of a limiting shaft, the other side of the outer circumference of the limiting shaft is slidably connected with one side of the inner surface of an annular rod, and one side of the outer surface of the annular rod is fixedly connected with one end of a push rod. According to the size screening device for the balls for the bearings, a first motor drives a transmission rod to rotate, the transmission rod drives an annular rod to move through a limiting shaft, and the annular rod drives a moving plate to move through a push rod, so that the effects of adjusting the size of a feeding opening according to different operation requirements and improving the practicability of the screening device are achieved, and the problems that traditional manual screening wastes time and labor are solved; and the operation efficiency is low.

The fast soluble bridge plug comprises a bridge plug body and a dissolution promoting assembly, a containing groove is formed in the inner wall of the bridge plug body, the dissolution promoting assembly comprises a solution bag and a V-shaped rod, the solution bag is contained in the containing groove, the tip end of the V-shaped rod is hinged to the inner wall of the bridge plug body, and the opening end of the V-shaped rod is connected with the solution bag and connected with the solution bag through the V-shaped rod. An automatic opening structure of the solution bag is formed, the lengths of the two ends of the opening end of the V-shaped rod are the same, the V-shaped rod can be driven to rotate twice by selecting the same ball size of two times of ball throwing, packing and solution bag opening are completed in the front-back direction, and therefore a processing factory does not need two different molds for producing balls. And the use cost is effectively reduced.

A method of designing a ball bearing includes providing a value of a shaft outside diameter and a load. An inside diameter of a bearing inner ring is determined based on the value of the shaft outside diameter. A ball size having a specific ball diameter is selected and a number of the balls of the selected standard ball size required to support the load is determined. A pitch diameter of a pitch circle of the ball bearing is determined based on the determined number of balls of the selected ball size. A suitability factor is calculated for the particular value of the pitch diameter and the particular pitch diameter is validated as suitable when the suitability factor is between calculated upper and lower limits.

The utility model discloses an automatic screening mechanism for sizes of steel balls. The automatic screening mechanism structurally comprises a rack, a guide plate obliquely facing downwards is arranged on the rack, a fixing frame is arranged on the rack, a fixing plate capable of moving up and down is arranged on the fixing frame, and a driving part for driving the fixing plate to move up and down is arranged on the fixing frame. An inner material blocking plate and an outer material blocking plate which are parallel to each other are arranged on the fixing plate, a buffering area is formed between the inner material blocking plate and the outer material blocking plate, the width of the buffering area is larger than the inner diameter of a steel ball, and the steel ball conveying device guarantees that the steel balls exceeding the specification cannot be mixed with steel balls of normal specifications.

The invention relates to the technical field of slide block measurement and model selection, in particular to a slide block steel ball rapid screening method, a tool block and a calibration block are prepared, the outer contour of the tool block is completely consistent with the size after a standard track and target value steel balls are combined, and a plurality of secondary gas channels are formed in the tool block; the plurality of secondary gas channels are respectively opposite to the plurality of channels on the calibration block, and the calibration block is a sliding block and is matched with the tool block for use to obtain a judgment reference of a steel ball mounting gap; the calibration block and the to-be-measured sliding block are sequentially installed on the tool block, ventilation is conducted on the multiple secondary gas channels through the pneumatic measuring instrument, the gas supply pressure is measured, the gap h (mesh) between the tool block and the upper channel of the calibration block and the gap h (real) between the to-be-measured sliding block and the upper channel of the calibration block are judged through the gas supply pressure, and therefore the size of the assembled steel ball is obtained. The tool block is designed, a pneumatic gauge is adopted to directly read a pressure signal to calculate the channel spacing, the detection time can be greatly shortened, and on-site rapid application is facilitated.

The utility model relates to an ore grinding machine with specification-adjustable nano ceramic balls, which belongs to the technical field of ore grinding and comprises a grinding bin, a top cover detachably connected to the top of the grinding bin, a feed port fixedly communicated with the top of the top cover and a discharge pipe fixedly communicated with the bottom of the grinding bin. A self-adaptive grinding mechanism extending into the top cover is arranged on the upper surface of the top cover, and a cooling mechanism extending out of the grinding bin is arranged on the upper surface of the top cover. According to the ore grinding machine capable of adjusting the specifications of the nano ceramic balls, when a double-shaft motor is started, a main bevel gear and an auxiliary bevel gear are driven to be in transmission fit, and under the elastic force action of a reset spring, a sliding sleeve slides on a transmission shaft to drive a supporting rod and a movable plate to be expanded or contracted, so that the specifications of the nano ceramic balls are adjusted; and through centrifugal force and impact force generated by rotation, the ball bodies of the nano ceramic balls achieve the optimal grinding effect in the grinding bin, and the advantage of high grinding efficiency is achieved.

This utility model discloses a steel ball size sorting machine, including an outer cover, inside which a sorting rod assembly is fixed. The sorting rod assembly is provided with sorting grooves, the inner diameter of which varies from small to large, and the sorting rod assembly is inclined downwards. Below the sorting rod assembly is a ball receiving plate, which is provided with two partitions that divide the ball receiving plate into three ball receiving spaces. The two partitions can move along the ball receiving plate to change the size of the three ball receiving spaces. An inclined plate is also fixed to the outer cover, with two outer channels corresponding to the two outer ball receiving spaces respectively. The intermediate channel formed between the two outer channels corresponds to the middle ball receiving space. This utility model can change the size and position of the ball receiving spaces, so that the limited outlet channels can accommodate steel balls of different diameters, resulting in high utilization of the outlet channels and a small footprint.

The utility model belongs to the technical field of glue pressing equipment, and particularly relates to a glue pressing device for cap processing, which comprises a bottom plate, a conveying frame is mounted on the bottom plate; a pressing frame is mounted at the edge of the bottom plate, and the pressing frame is located on one side of the conveying frame; a plurality of groups of first mounting plates are mounted on the conveying frame, and a second mounting plate is mounted at one end of the pressing frame; the device is suitable for carrying out rapid glue pressing work on semicircular caps, during glue pressing, the caps matched with the round balls in size only need to be arranged on the surfaces of the first round balls in a sleeving mode, the first round balls are pressed through the second round balls, glue pressing treatment on the caps can be completed, the rapid glue pressing effect is achieved, and the device is suitable for being put into use during large-batch production; the cap can be kept in a stable shape in the rubber pressing process, pressure applied during rubber pressing can be evenly distributed through a cavity in a second ball, rubber pressing is more even, the phenomena that rubber strips are not even, too wide and the like are reduced, and the quality of finished caps is improved.

The invention relates to the technical field of ball processing and production, in particular to a high-resilience solid core inner container, a ball and a preparation method, and the high-resilience solid core inner container comprises a high-resilience solid core ball inner container made of a material A and a material B which are mixed with each other, and the ball formed by an outer layer and the high-resilience solid core ball inner container through a cold bonding process. By adopting the solid inner container and the outer layer bonded by adopting a cold bonding process, the problems of air leakage, poor durability, small self-elasticity adjustment range, stable ball size and no deformation of the inflatable inner container in a manufacturing and using environment are solved, and meanwhile, a finished product can reach standard bounce and considers the weight standard.

The utility model relates to the technical field of detection tools, in particular to a tool assembly for detecting the size of a bearing steel ball, which comprises a base, a detection table, scale marks and a fixing groove. A detection table is arranged on the upper end face of the base, fixing grooves are fixedly formed in the upper end face of the detection table at equal intervals, and scale marks are arranged on the two sides of each fixing groove; a detection assembly and an auxiliary assembly are arranged on the detection table, the detection assembly and the auxiliary assembly are arranged on the detection table at the connecting end of the tool assembly for detecting the size of the bearing steel ball, and under the action of a spring damper, the clamping detection plates move oppositely to clamp the bearing steel ball. A sliding block at the bottom end of a clamping detection plate moves under the guiding action of a sliding rod and a guide rod, a scale tip on the upper end face of the sliding block is driven to move and align to a scale line on a detection table for size detection, and a limiting block arranged on the upper end face of the detection table can rapidly observe the size range of a bearing steel ball. The bearing steel ball detection device is simple in detection operation and easy to observe.

The utility model discloses a steel ball size distinguishing device for bearing production, which relates to the technical field of bearing steel ball size distinguishing and comprises a discharging table, one end of the discharging table is rotatably connected with a distinguishing rod for distinguishing materials, the bottom end of the distinguishing rod is fixedly provided with a guide rod, the bottom end of the guide rod is provided with a supporting seat, and the supporting seat is fixedly connected with the discharging table. The adjusting mechanism is arranged on the guide rod and the supporting seat; the adjusting mechanism comprises a transmission unit and a limiting unit; and the transmission unit is used for adjusting a gap between the distinguishing rods. By arranging the adjusting mechanism, when the gap between the distinguishing rods needs to be adjusted, outward pulling force can be given to the movable rods, then rotating force is given to the movable rods to drive the rotating blocks to rotate, the pulling blocks connected with the rotating blocks drive the guide rods to be close to or away from each other, and therefore the distinguishing rods are driven to move; and the gap between the distinguishing rods is adjusted so as to adapt to materials of different specifications, and the working efficiency is further improved.

The utility model relates to the technical field of steel ball screening, in particular to a steel ball size screening jig which comprises an installation frame and a handle, the handle is fixedly installed on the side wall of one end of the installation frame, the installation frame is in a mouth shape, and a containing groove is formed in the upper end of the installation frame. A sieve plate I is placed in the placing groove, and a plurality of grooves are uniformly formed in the upper end of the sieve plate I; limiting pins are elastically connected to the front side and the rear side of one end of the mounting frame, one end of each limiting pin penetrates through the mounting frame and is connected with one end of the first screening plate, a threaded cylinder is fixedly mounted on the outer wall of one end of the mounting frame, and a threaded column is arranged at one end of the handle. When the steel ball screening device is used, the sieve plate I is mounted in the mounting frame, then the sieve plate I is inserted into a container filled with steel balls, and then the sieve plate I is lifted upwards, so that the steel balls conforming to the size can enter the grooves, the steel balls conforming to the size can be quickly screened out, and the steel ball screening device is suitable for screening small batches of steel balls.

The present invention discloses a method for preparing a graphene-enhanced copper-chromium electrical contact, comprising the following steps: S1, ball milling; S2, cold isostatic pressing; S3, vacuum sintering; and S4, vacuum consumable arc melting. The method for preparing the graphene-enhanced copper-chromium electrical contact adopts a direct powder mixing method. Inert gas is introduced during the mixing process to prevent oxidation of the copper powder. By controlling the ball milling speed and ball size and ratio, good graphene dispersion is achieved. A vacuum consumable arc melting process is used for melting, resulting in good electrode rod degassing during the melting process and low gas content in the ingot after melting. Furthermore, the elements within the material are evenly distributed, with minimal macrosegregation, no macroscopic or microscopic defects such as element enrichment, and good structural uniformity.

A kind of method for determining the actual ball size of a ball cage type universal coupling belongs to the technical field of ball cage type universal coupling design.The method is as follows: coupling parameter analysis;calculating the difference between the theoretical ball and the center of the ellipse and the difference between the actual ball and the center of the ellipse;calculating the actual ball center size.The present application combines mechanical expertise,analyzes the tangent of the elliptical orbit and the ball,according to the different situations of the inner planet wheel and the outer planet wheel,calculates the actual ball center size directly,avoids the repeated modeling work of three-dimensional model analysis in the prior art,significantly improves the measurement efficiency,enhances the universality of the method and expands the scope of application.

The invention provides an automatic forming device capable of conveniently adjusting the size of fish balls and a processing method thereof.The automatic forming device comprises a forming machine, a discharging hopper is installed on the forming machine through a hopper fixing seat, a material conveying pipeline is connected to a discharging opening of the discharging hopper, the output end of the material conveying pipeline is connected with a mold seat, and a cutting tool apron is installed on the forming machine; a mold outlet of the mold base is aligned with the cutting tool apron, and the bottom of the conveying pipeline is connected with the mold base through a first mounting kit; the mold base is arranged at the bottom of the material conveying pipeline and is directly connected with the material conveying pipeline, on one hand, the mold can be replaced under the condition that the tool apron is not detached, on the other hand, the bottom of the material conveying pipeline is directly aligned with the mold, the mold is connected with a pipe opening of the material conveying pipeline more tightly, and the mold is not damaged. And the mold can be disassembled by adjusting the height of the ball sliding sleeve during mold replacement, one-key disassembly and assembly are achieved, and the disassembly and assembly steps are simplified.

The utility model relates to the technical field of pet baking food processing, and discloses a ball mold for processing pet baking food. The mold is composed of a base plate, a forming mechanism and an opening and closing mechanism. The forming mechanism comprises an upper die, a lower die, a limiting block, a bottom forming shell and a top forming shell, the upper die and the lower die are magnetically connected with the bottom forming shell and the top forming shell through rubidium magnets, spherical dies of different sizes can be conveniently and rapidly replaced, the universality and applicability of the dies are improved, and the forming quality of baked grains can be guaranteed. The opening and closing mechanism comprises a poke rod, an arc-shaped rack, a gear, a torsion spring and the like, the poke rod drives the arc-shaped rack to move, the gear rotates, the torsion spring stores and releases energy to assist the upper mold and the lower mold to be rapidly and smoothly separated or closed, an operator exerts force when closing the mold and does not need to exert force when opening the mold, time and labor are greatly saved, and the production efficiency of the round baked food is improved. Compared with a traditional mold, the mold solves the problems that the opening and closing efficiency is low and the size of the ball cannot be rapidly changed, and has remarkable advantages.

The invention provides a preparation method of high-density nano lithium metatitanate ceramic, and belongs to the technical field of preparation of ceramic materials. According to the method, continuous ball milling is carried out by replacing a ball milling solvent and controlling the size of a ball milling ball, target powder is obtained, and lithium metatitanate ceramic is directly obtained after forming and sintering. The preparation method disclosed by the invention has the advantages of simple process, low cost and good ceramic performance. In the continuous ball-milling process, multiple times of sintering are not needed, only the solvent needs to be replaced, the sintering process in the multiple times of ball-milling process is greatly saved, meanwhile, the density of the obtained lithium metatitanate ceramic is remarkably improved and reaches 99% T.D., the grain size of the lithium metatitanate ceramic can be nanoscale (within 100 nm), and the lithium metatitanate ceramic has the advantages of being simple in preparation process, low in cost and good in application prospect. The problem that the nanoscale grain size and the high density cannot be considered at the same time in existing tritium breeding agent ceramic preparation is well solved.

The utility model relates to the technical field of bearing steel ball machining, in particular to a circulating grinding device for bearing steel ball machining. According to the technical scheme, the circulating grinding device for bearing steel ball machining comprises a machine shell, a motor, a grinding disc and the like, the machine shell is placed on the ground, the motor is fixedly connected to the bottom of the machine shell, an output shaft of the motor penetrates into the machine shell to be fixedly connected with the grinding disc, and the grinding disc is rotationally connected with the machine shell. The motor is started to drive the grinding disc to rotate at a high speed so as to grind steel balls, if the steel balls need to be ground according to different sizes, the hand wheel is rotated to enable the screw rod to rotate to drive the extrusion disc to move up and down, and the distance between the extrusion disc and the grinding disc can be adjusted by observing the graduated scale. The grinding requirements of steel balls with different sizes can be quickly and accurately met, the problem that the product quality is affected due to too large or too small pressure is solved, and therefore the quality and consistency of final products are improved.

The utility model discloses a groove type internal circulation six-groove flange ball spline which comprises a spline shaft, a first groove, a cylinder outer sleeve, a first protruding block, a ball circulator, a transmission ball, a first sealing ring, a third groove, a ball groove, an opening groove, a fourth groove and a second sealing ring. A fourth groove and a second through hole are formed in the cylinder outer sleeve, a flange plate is fixedly connected to one end of the cylinder outer sleeve, and a screw hole is formed in the flange plate; the ball spline is provided with a plurality of grooves and a plurality of linearly moving conveying grooves, six paths of balls are divided into two groups, the two groups are staggered at an included angle of 30 degrees, each group of balls are uniformly distributed at 120 degrees, and more balls are in contact with the spline shaft and the spline inner sleeve, so that the ball spline can run stably and reliably, the conveying efficiency is higher, and the service life of the ball spline is prolonged. And particularly, during high-speed operation, the loss of the balls is reduced more obviously, the service life is prolonged, and a larger ball size can be used under the same shaft diameter through the balls.

The application relates to an outer ball diameter measuring device and a using method. The device comprises a main base, a standard base, a measured base and a dial gauge; the main base is provided with a cylindrical hole and a positioning taper sleeve on the upper side, is used for installing the standard base or the measured base, is provided with an inclined hole on the left side, is used for installing the dial gauge, and is provided with a screw hole on the front side, used for screwing a screw to fix the dial gauge; the standard base and the measured base are both composed of a cylinder on the bottom and an outer ball on the upper side, and the structures are matched with the cylindrical hole and the positioning taper sleeve of the main base. The using method is as follows: the standard base is installed, the dial gauge probe is placed on the outer ball surface, the dial gauge is adjusted to zero, the measured base is replaced, the pointer change value of the dial gauge is read, and the ball diameter of the measured outer ball is obtained according to the geometric relation. The application has the advantages of simple structure, convenient operation, fast and accurate measurement of the outer ball diameter, effective improvement of the detection efficiency of the processing site, and suitability for the online monitoring of the outer ball size in precise parts such as a resonant gyro.

The Tai Chi ball comprises a first hemisphere and a second hemisphere, two first functional blocks are movably connected to the outer surface of the first hemisphere in a clamped mode, two second functional blocks are movably connected to the outer surface of the second hemisphere in a clamped mode, and magnetic attraction assemblies are connected to the opposite faces of the first hemisphere and the second hemisphere in a clamped mode. According to the technical scheme, the design that the first hemisphere and the second hemisphere are combined in a magnetic attraction mode is adopted, automatic splicing is achieved through the embedded magnetic attraction assembly, meanwhile, the matching structure of the C-shaped groove and the protruding edge is matched, it is ensured that after splicing is conducted, stability is high, carrying and storage are more convenient, and the splicing device is suitable for being rapidly and conveniently used in various scenes; the design mode that the first hemisphere and the second hemisphere are spliced is adopted, materials can be cut according to the size of the needed ball, waste caused by the improper size of raw materials is avoided, the utilization rate of the materials is increased, and the production cost of the Tai Chi ball is effectively reduced.

The invention belongs to the technical field of mineral processing in the metallurgical industry, and provides a method for adding an ore grinding medium of a ball mill, which adopts natural consumption of steel forgings in the original ball mill in the operation process of the ball mill, realizes replacement of a mixed ore grinding medium of porcelain balls and steel balls in continuous operation of the ball mill, and does not need to stop the ball mill. The problems that in the replacement process, mixed ore grinding media are not suitable for production fluctuation of on-site ore grinding indexes and balls are discharged from the ore discharging end of the ball mill are solved, the optimal proportion of the ball adding size and the ball adding amount of porcelain balls and steel balls in different ball mills is rapidly found out, meanwhile, the workload for completely removing the steel balls and the cost for adding a large number of porcelain balls for the first time are reduced, and the production efficiency is improved. And finally, the novel wear-resistant ore grinding medium replacement period is shortened, production is stabilized, and the comprehensive cost in the ceramic ball replacement process is reduced.

This utility model relates to the technical field of bearing ball production equipment, and in particular to a multi-stage air-separated adaptive sorting device for bearing balls, comprising a main pipe, a collection hopper, a secondary pipe, and a size adjustment component; the collection hopper is connected above the beginning of the main pipe; the beginning of the secondary pipe is connected to the middle of the main pipe; the size adjustment component is located at the connection between the main pipe and the secondary pipe, and is used to adjust the ball size threshold flowing into the secondary pipe; the end of the main pipe is provided with a branch pipe of the same diameter as the main pipe body; the end of the secondary pipe is provided with a side through hole; both the branch pipe and the side through hole are equipped with fans. This utility model can improve the sorting efficiency and stability of the balls.

Golf balls having a single or dual-layered solid core are provided. In one embodiment, the golf ball has dimensions and properties that do not conform to the rules of the United States Golf Association (USGA). For example, the ball weight; ball size; ball spherical symmetry; ball initial velocity; and / or ball overall distance may fall outside of the USGA standards. The dual-layered core can have an inner core comprising a thermoplastic composition and surrounding outer core comprising a thermoset composition. In another embodiment, the dual-layered core has an inner core comprising a thermoplastic composition and outer core comprising a thermoset composition. The thermoplastic composition preferably comprises an ethylene acid copolymer ionomer and plasticizer. The thermoset composition preferably comprises polybutadiene rubber. The ball further includes a cover of at least one layer.

The application belongs to the technical field of mineral processing in the metallurgical industry, and provides an adding method of grinding medium of a ball mill. The method replaces the original steel forging natural consumption in the ball mill by using the ball mill in the operation process, realizes the replacement of mixed grinding medium of porcelain balls and steel balls in the continuous operation of the ball mill, does not need to stop, solves the production fluctuation of the mixed grinding medium not adapting to the on-site grinding index in the replacement process, the ball discharge end spits ball problem of the ball mill, quickly finds out the best matching ratio of the size and quantity of the added porcelain balls and steel balls in different ball mills, reduces the workload of removing all the steel balls and the cost of adding a large number of porcelain balls for the first time, and finally shortens the replacement period of the new type of wear-resistant grinding medium, stabilizes the production, and reduces the comprehensive cost in the replacement process of the porcelain balls.

The invention discloses an automatic casting production line and a production method thereof, and belongs to the technical field of grinding ball casting. The ball falling device comprises an oscillating ball falling machine and a grinding assembly, the grinding assembly is arranged in the middle of the inner side of the separating mechanism in a liftable mode and used for grinding and stripping a sprue cast ball string on the oscillating ball falling machine into a sprue rod and a cast ball, and the cast ball and the sprue rod separated through the method are shallow in stubble, separated in place and not prone to generating scrap iron; meanwhile, cast balls on the sprue rod can be fully separated, the cast balls are prevented from being damaged due to repeated impact, the sprue rod is prevented from being broken due to repeated impact, and fragments similar to the cast balls in size are prevented from being generated, so that the sand separating and screening process is simplified and accelerated, the overall production efficiency is improved, the surfaces of the cast balls are protected, and the service life of the cast balls is prolonged. And the cast balls are prevented from being damaged in the machining process, and the yield of cast ball production is increased.

A continuous inspection device for bearing ball bearings includes a turntable with multiple interconnected channels. These include a feed channel with a diameter larger than the acceptable ball size, connected internally to a negative deviation discharge channel with a diameter equal to the minimum negative deviation of the acceptable ball size; a non-deviation discharge channel with a diameter equal to the maximum positive deviation of the acceptable ball size; and a positive deviation discharge channel with a diameter larger than the maximum positive deviation of the acceptable ball size. The positive deviation discharge channel is located between the non-deviation discharge channel and the feed channel. The turntable is forced to rotate and has three stop positions, ensuring that any ball can flow out from its corresponding channel. This invention achieves high efficiency and reliable inspection results by setting multiple channels of different diameters within the turntable to inspect batches of balls individually. Pneumatic pressure ensures accurate entry of balls into their corresponding channels. The picking mechanism and drive structure are mechanically linked to ensure the individual selection and inspection of each ball.

The invention discloses an ultra-precision automatic measurement method and device for the sizes of a wire tail and a burning ball of a wire bonder, and relates to the technical field of semiconductor packaging. The method comprises the following steps: monitoring the contact between the tail end of a lead and the surface of a material in real time through a pseudo soldering detection system, obtaining first displacement data, calculating to obtain the actual physical length of the tail end of the current lead, comparing the actual physical length with a preset standard for evaluation, and if the evaluation is not abnormal, executing an electronic ignition step to form a burning ball; controlling the welding tool to move to a preset initial height; the method comprises the steps of obtaining second displacement data; and further obtaining the changed physical length of the line tail in the process of forming the burning ball, calculating to obtain the radius value of the burning ball, and comparing and evaluating the radius value with a preset process specification. By the adoption of the method, mechanical deformation errors can be avoided through hardware-level instantaneous contact detection, and automatic and high-precision measurement of the length of the micron-level wire tail and the size of the fired ball is achieved in combination with a high-precision physical model.

The utility model relates to a size detection device for a bearing steel ball, which relates to the field of bearing steel ball detection and comprises a support pressing assembly and a rotary ball detection assembly. The supporting and pressing assembly has preset operation height and supporting force and can carry out corresponding supporting and bearing operation. The rotary ball checking assembly comprises a plurality of rotary adjusting units which have preset operation height supporting force, and preset operation distances are reserved between the rotary adjusting units and the supporting and pressing assembly. And the ball checking mold unit is connected with the rotation adjusting unit and has a preset operation size. According to the invention, through mutual cooperation of the supporting and pressing assembly and the rotary ball detection assembly, synchronous size detection of a plurality of bearing steel balls can be carried out at a time. And defective products can be quickly sorted through the cooperation of the rotary adjusting unit and the ball checking mold unit. The operation is simple, and the bearing steel ball dimension detection efficiency is effectively improved.