CN113427397A - Complete single-sphere grinding and polishing device and processing method - Google Patents
Complete single-sphere grinding and polishing device and processing method Download PDFInfo
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- CN113427397A CN113427397A CN202110889651.0A CN202110889651A CN113427397A CN 113427397 A CN113427397 A CN 113427397A CN 202110889651 A CN202110889651 A CN 202110889651A CN 113427397 A CN113427397 A CN 113427397A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
- B24B37/025—Lapping machines or devices; Accessories designed for working surfaces of revolution designed for working spherical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Abstract
The device comprises an equipment machine table, three free rail seat sliding tables, three motor grinding and polishing assemblies, a mechanism for suspending and supporting the balance pressure of a sphere, a grinding and polishing liquid supply system and a PLC (programmable logic controller) electric control system. The PLC electric control system comprises four programs of coarse grinding, fine grinding, coarse polishing and fine polishing. The processing method comprises the following steps: the processing steps are divided into four steps a, b, c and d, wherein in the three steps a, b and c, the high rotating speed value range is 150-200 r/min, and the low rotating speed value range is 100-150 r/min; in the step d, the same rotating speed of the three motors is set as the average value of the rotating speeds of the high motor and the low motor in the previous three steps, so that the movement speed of the ball in each step is basically the same. The invention adopts an equiangular uniform symmetrical 'three-legged tripod' suspension sphere structure, so that the grinding head is closely attached to the sphere at any time, the machining precision is improved, and the machining efficiency is greatly improved through a PLC (programmable logic controller) electric control system.
Description
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to a complete single-sphere grinding and polishing device and a machining method.
Technical Field
The complete precise sphere is an important part of precise instrument equipment due to the characteristic that the cross sections of the complete precise sphere pass through the center of the sphere are circles with the same specification, and can be used as a measuring reference of a roundness meter, a rotor of an electrostatic gyroscope, a rolling body of a precise bearing and the like. The machining precision of the sphere plays a crucial role in the reliability and the service life of instruments and equipment formed by the sphere, so that the sphere machining precision has very important significance in the research of complete precision sphere machining equipment and machining process technology.
The precision of the precision sphere is referred to as "three degrees", namely, dimensional precision, roundness precision and surface roughness, and among them, it is most difficult to ensure the roundness precision (0.1 to 0.01 μm). For the precision sphere with the diameter larger than 50mm, the processing precision can not be ensured by the conventional plane grinding and V-shaped groove grinding technology due to the large-size structural characteristic of the precision sphere. At present, a four-axis sphere grinding machine is a recognized and more-applied machining method for improving precision in a plurality of machining technologies, but the four-axis sphere grinding machine is complex in equipment structure, high in manufacturing precision, large in participation degree of manual experience in the machining process and not beneficial to batch production. How to lead the whole ball to be ground and polished to rotate regularly in all directions in the clamping grinding head is a sufficient condition for realizing the uniform grinding of the ball, which is always the key point of the research in the technical field.
Disclosure of Invention
The invention aims to provide a complete single-sphere grinding and polishing device, and a PLC system is adopted to control the technological parameters of forward and reverse rotation, rotating speed, step-by-step processing time, total processing time and the like of each grinding head, so that original disordered and disordered movement of a sphere in the processing process is changed into regular omnibearing movement, invalid movement and single-track over-grinding errors are eliminated, the processing efficiency is improved, and the processing quality and the processing precision are improved.
In order to achieve the purpose, the technical scheme of the device is as follows:
the utility model provides a complete single spheroid grinding and polishing device, includes equipment board, three free rail seat slip table, three motor grinding and polishing subassembly, is used for the balanced pressure mechanism of suspension support spheroid, grinds polishing solution feed system to and PLC electrical system.
The equipment machine is formed by milling a single surface of a thick steel plate, a large round hole is formed in the center of the machine and used for collecting and recovering grinding and polishing liquid, three groups of inclined plates are uniformly distributed in pairs at 120 degrees in the circumferential direction of the round hole, the total number of the inclined plates is 6, the inclined angles of the inclined plates are consistent, and the angle size range is 8-15 degrees, preferably 10 degrees.
And the three free rail seat sliding tables are respectively arranged on the three groups of mounting inclined plates and are fixedly connected by bolts. Each free rail seat sliding table consists of a sliding table base plate, two low-friction precise linear guide rails, four linear sliding blocks and a right-angle motor support.
The three motor grinding and polishing assemblies are respectively arranged in the three right-angle motor supports, and each motor grinding and polishing assembly consists of a driving motor, a coupler and a bowl-shaped grinding head. The driving motor is a speed reducing motor or a stepping motor, and preferably the stepping motor. The positive and negative rotation of the motor can be adjusted, and the rotating speed can be adjusted steplessly. The coupler adopts a metal corrugated pipe coupler, so that the grinding head can synchronously rotate along with a motor mandrel, and the grinding head can uniformly apply pressure and swing in a small amplitude through compression deformation energy storage, so that the grinding head is tightly attached to the ball at any time. The bowl-shaped grinding head determines the diameter of an outer circle according to the diameter of a ground sphere, and the diameter of the outer circle ranges from 0.75 to 0.95 of the diameter of the sphere; the cutting edge of the bowl-shaped grinding head forms an included angle of 80-110 degrees and is in annular contact with the sphere line or the narrow surface for grinding and polishing; the bowl-shaped grinding head material is determined according to the ball material and four steps of coarse grinding, fine grinding, coarse polishing and fine polishing, aluminum-based composite brown corundum, white corundum, silicon carbide, resin diamond 400-1000 meshes and other materials can be adopted during coarse grinding and fine grinding, and water-based emulsion grinding cooling liquid is matched; during rough polishing and fine polishing, materials such as aluminum-based adhesive non-woven polishing leather, polyurethane artificial polishing leather and the like can be adopted, and 1500-2500-mesh silicon carbide, brown corundum sand powder, 40-100 nanometer aluminum oxide, silicon dioxide and other polishing solutions are matched.
The pressure balancing mechanism for the suspension support ball body adopts three columnar telescopic air bags (the two ends of the air bags are limited in stress area by lantern rings with the same diameter), air inlets are communicated with each other by pipelines and are arranged behind the three-motor grinding and polishing assembly, so that the pressure balancing of the three-motor grinding and polishing assembly is ensured, the three-motor grinding and polishing assembly is close to the center, and the oblique center 'three-leg standing' suspension support ball body is formed. The columnar telescopic air bag is supplied with air by an air compressor, and is controlled by a pressure reducing valve to reach a preset pressure and maintain a constant value.
The grinding and polishing liquid supply system comprises a liquid storage tank, a pump, a pipeline, a spray pipe, a recovery liquid collection tank, a settling tank, a filtering system and the like, wherein the spray pipe controls the flow through a valve and is arranged above the ball body, and the grinding and polishing liquid is uniformly sprayed or dripped on the surface of the ball body.
The PLC electric control system is the key that the grinding and polishing motion track of the ball body shows regular all-directional motion. The PLC system control is divided into four programs of coarse grinding, fine grinding, coarse polishing and fine polishing, and each program can set the processing technological parameters of forward and reverse rotation, rotating speed, step-by-step processing time, total processing time and the like of each motor.
A complete single-sphere grinding and polishing processing method, each set of processing program is divided into four steps to be processed circularly:
step a, controlling a motor I to rotate forwards, a motor II to rotate backwards, a motor III to rotate forwards, wherein the rotating speed of the motor I and the rotating speed of the motor II are greater than that of the motor III, the motor I and the motor II are slightly earlier than the motor III for 1-2 seconds when the motor I and the motor II are started, and the test verifies that the sphere can do up-and-down overturning motion along a vertical plane of the included angle center of the motor shaft I and the motor II (namely the vertical plane of the motor shaft III), the processing time in the step is set to be 1-3 minutes, and the processing step b is carried out after the process is stopped;
b, controlling the motor I to rotate forwards, the motor II to rotate forwards and the motor III to rotate backwards, wherein the rotating speed of the motor II and the rotating speed of the motor III are greater than that of the motor I, the motor II and the motor III are slightly earlier than that of the motor I for 1-2 seconds when the motor II is started, the sphere can turn up and down along the vertical surface of the motor shaft I, the processing time in the step is set to be 1-3 minutes, and the processing step c is carried out after the motor II stops;
step c, controlling the motor I to rotate reversely, the motor II to rotate forwardly, the motor III to rotate forwardly, and the rotating speed of the motor I and the rotating speed of the motor III to be greater than that of the motor II, starting the motor I and the motor III for 1-2 seconds slightly before the motor II, enabling the sphere to turn up and down along the vertical surface of the motor shaft II, setting the processing time of the step as 1-3 minutes, and entering a processing step d after stopping;
and d, controlling the motors I, II and III to rotate forwards at the same speed, starting the motors at the same time, enabling the ball to rotate along a horizontal plane, setting the processing time of the step to be 1-3 minutes, stopping the step, entering the processing step a, and circularly processing the four steps.
In the three steps of a, b and c, setting the rotating speed values of the motors with high rotating speeds to be the same, wherein the rotating speed value range is 150-200 r/min, the rotating speed values of the motors with low rotating speeds to be the same, and the rotating speed value range is 100-150 r/min; in the step d, the same rotating speed of the three motors is set as the average value of the rotating speeds of the high motor and the low motor in the previous three steps, so that the movement speed of the ball in each step is basically the same. And the step-by-step processing time of each step is set to be the same, so that the unbalance of grinding and polishing is avoided. The total processing time is set according to the grinding and polishing amount of each procedure of coarse grinding, fine grinding, coarse polishing and fine polishing.
The device of the invention is characterized in that: 1) the complete single-sphere grinding and polishing device adopts an equiangular uniform symmetrical 'three-legged tripod' suspension sphere structure, the three bowl-shaped grinding heads wrap and support the sphere in a large range, the grinding and polishing contact surface is large, and the processing efficiency is improved; 2) The adopted metal corrugated pipe coupling can realize that the grinding head synchronously rotates along with the motor mandrel, and also has the advantages of uniform pressure application and small-amplitude swing through compression deformation energy storage, so that the grinding head is closely attached to the ball body at any time, and the processing precision is improved; 3) the adopted cylindrical telescopic air bag suspension support ball mechanism is better than a spring, an air cylinder and an oil cylinder pre-compression mechanism, is easy to realize pressure equalization, does not need feedback repeated adjustment of a pressure sensor, and is also beneficial to improving the processing precision; 4) the grinding and polishing motion track of the ball body is controlled by the PLC electric control system to present regular all-round circulating reciprocating rotation motion, so that the equipment is better in automation degree and operability, more stable in machining precision and quality, and greatly improved in machining efficiency.
Drawings
Fig. 1 is a schematic perspective view of a complete single-sphere grinding and polishing apparatus according to the present invention.
FIG. 2 is a schematic view of a bowl-shaped polishing head for polishing according to the present invention.
FIG. 3 is a diagram of a movement locus of a sphere in four steps formed by a PLC electric control system controlling three motors to rotate during grinding and polishing of the device of the invention.
The names of the reference numbers in the figure are respectively: 1-complete sphere, 10-equipment machine table, 20-free rail seat sliding table, 30-motor grinding and polishing assembly, 40-suspension support sphere balance pressure mechanism, 50-grinding and polishing liquid supply system and 60-PLC electric control system; 101-thick steel plate substrate, 102-installation inclined plate, 201-sliding table substrate, 202-low friction precision linear guide rail, 203-ball linear slide block, 204-right-angle motor support, 301-driving motor, 302-metal corrugated pipe coupler, 303-bowl-shaped grinding head, 401-columnar telescopic air bag, 402-air bag air inlet, 501-grinding polishing liquid spray pipe, and three motor shafts I, II and III.
The 50-grinding polishing liquid supply system and the 60-PLC electric control system belong to known common devices, so the details are not shown in the schematic drawing of the specification.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be fully described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides a complete single-sphere grinding and polishing apparatus, which includes an equipment table 10, three free rail sliding tables 20, three motor grinding and polishing assemblies 30, a set of suspension support sphere balance pressure mechanism 40, a set of grinding and polishing liquid supply system 50, and a set of PLC electronic control system 60.
The equipment machine table 10 is composed of a thick steel plate base plate 101 and six installation inclined plates 102, and is fastened and connected through bolts. The six installation inclined plates 102 need to be clamped simultaneously during manufacturing to ensure that the milling inclination angles are consistent, and the angle is preferably 10 degrees. The six installation inclined plates 102 are divided into three groups, the included angle between each group is 120 degrees, the six groups are uniformly distributed and symmetrical on the circumference of the center hole of the thick steel plate base plate 101, and the installation and positioning accuracy of 120 degrees is ensured by the processing accuracy of the thick steel plate base plate 101.
Each of the three free rail seat sliding tables 20 is composed of a sliding table base plate 201, two low-friction precise linear guide rails 202, four ball linear sliding blocks 203 and a right-angle motor support 204. The three 20-free rail seat sliding tables are respectively arranged on the three groups 102-mounting inclined plates and are connected in a fastening mode through bolts.
Each of the three motor grinding and polishing assemblies 30 is composed of a driving motor 301, a metal bellows coupler 302 and a bowl-shaped grinding head 303. The three motor grinding and polishing assemblies 30 are respectively arranged in the three right-angle motor brackets.
The set of suspension support sphere pressure equalization mechanism 40 adopts three columnar telescopic airbags 401 which are respectively arranged behind the motor grinding and polishing assembly 30. The three air bag inlets 402 are interconnected by pipes, supplied by an air compressor, controlled by a pressure reducing valve, to reach a preset pressure and maintain a constant value.
The grinding and polishing device forms an equiangular uniform symmetrical three-legged tripod suspension sphere structure from the top, and key parts of the grinding and polishing device are more reasonable in structural design and compact and small in machine body size. The rotation of the three grinding heads is controlled by a 60-PLC electric control system to drive the ball to perform regular omnibearing circulating reciprocating motion in four three-dimensional space directions as shown in figure 3, the bowl-shaped grinding heads made of different materials are replaced or multi-machine equipment is adopted for continuous processing, and the grinding and polishing liquid is matched and adapted, so that the roundness precision error of the ball is continuously reduced through four procedures of coarse grinding, fine grinding, coarse polishing and fine polishing, the processing precision and quality are more stable, the processing efficiency is greatly improved, the mechanical automation degree is high, the operation is convenient and easy, and the ball grinding machine is suitable for batch production.
Practical processing verifies that for solid steel balls with the diameter of 30-160 mm, solid ceramic balls with the diameter of 50-200 mm and monocrystalline silicon balls, the final roundness precision error and the roughness are all better than 0.1 mu m and 0.04 mu m respectively.
Claims (6)
1. The utility model provides a complete single spheroid grinding and polishing device, includes equipment board, three free rail seat slip table, three motor grinding and polishing subassembly, is used for suspension support spheroid balanced pressure mechanism, grinding polishing solution feed system to and PLC electrical system, its characterized in that:
the equipment machine table is processed by milling a single surface of a thick steel plate, a large round hole is formed in the center of the thick steel plate and used for collecting and recovering grinding and polishing liquid, three groups of inclined plates are uniformly distributed in pairs at 120 degrees in the circumferential direction of the round hole, the total number of the inclined plates is 6, the inclined angles of the inclined plates are consistent, and the angle size range is 8-15 degrees;
the three free rail seat sliding tables are respectively arranged on the three groups of mounting inclined plates and are fixedly connected by bolts, and each free rail seat sliding table consists of a sliding table base plate, two low-friction precise linear guide rails, four linear sliding blocks and a right-angle motor bracket;
the three motor grinding and polishing assemblies are respectively arranged in the three right-angle motor brackets, and each motor grinding and polishing assembly consists of a driving motor, a coupler and a bowl-shaped grinding head;
the driving motor is a speed reducing motor or a stepping motor, the forward and reverse rotation of the motor can be adjusted, and the rotating speed can be adjusted in a stepless manner; the coupler adopts a metal corrugated pipe coupler, so that the grinding head can synchronously rotate along with a motor mandrel, and the grinding head can uniformly apply pressure and swing in a small amplitude through compression deformation energy storage, so that the grinding head is tightly attached to the ball at any time; the bowl-shaped grinding head determines the diameter of an outer circle according to the diameter of a ground sphere, and the diameter of the outer circle ranges from 0.75 to 0.95 of the diameter of the sphere; the cutting edge of the bowl-shaped grinding head forms an included angle of 80-110 degrees and is in annular contact with the sphere line or the narrow surface for grinding and polishing;
the pressure balancing mechanism for the suspension support ball adopts three columnar telescopic air bags, the two ends of each air bag are limited in stress area by lantern rings with the same diameter, air inlets are communicated with each other by pipelines and are arranged behind the three-motor grinding and polishing assembly to ensure the pressure balancing of the three-motor grinding and polishing assembly, so that the three-motor grinding and polishing assembly is close to the center to form an oblique center three-legged standing suspension support ball body;
the grinding and polishing liquid supply system comprises a liquid storage tank, a pump, a pipeline, a spray pipe, a recovery liquid collection tank, a settling tank, a filtering system and the like, wherein the spray pipe controls the flow through a valve and is arranged above the ball body, and the grinding and polishing liquid is uniformly sprayed or dripped on the surface of the ball body.
The PLC electric control system comprises four programs of coarse grinding, fine grinding, coarse polishing and fine polishing, and each program can set processing technological parameters of forward and reverse rotation, rotating speed, step-by-step processing time, total processing time and the like of each motor.
2. A complete single ball lapping and polishing device as claimed in claim 1, wherein said equipment table is mounted with a sloping plate angular dimension range, preferably 10 °.
3. A complete single-ball grinding and polishing device as claimed in claim 1, wherein the material of the bowl-shaped grinding head is determined according to the ball material and four steps of coarse grinding, fine grinding, coarse polishing and fine polishing, and the coarse grinding and the fine grinding can be made of aluminum-based composite brown corundum, white corundum, silicon carbide, resin diamond of 400-1000 meshes, and the like, and water-based emulsifying grinding coolant is used; during rough polishing and fine polishing, materials such as aluminum-based adhesive non-woven polishing leather, polyurethane artificial polishing leather and the like can be adopted, and 1500-2500-mesh silicon carbide, brown corundum sand powder, 40-100 nanometer aluminum oxide, silicon dioxide and other polishing solutions are matched.
4. A complete single ball grinding and polishing device as claimed in claim 1, wherein the cylindrical expansion air bag of the suspension support ball pressure-equalizing mechanism is supplied with air by an air compressor, and is controlled by a pressure-reducing valve to reach a preset pressure and maintain a constant value.
5. A complete single-sphere grinding and polishing processing method is characterized in that each set of processing program is divided into four steps to be processed circularly:
step a, controlling a motor I to rotate forwards, a motor II to rotate backwards, a motor III to rotate forwards, wherein the rotating speed of the motor I and the rotating speed of the motor II are greater than that of the motor III, the motor I and the motor II are slightly earlier than the motor III for 1-2 seconds when the motor I and the motor II are started, and the test verifies that the sphere can do up-and-down overturning motion along a vertical plane of the included angle center of the motor shaft I and the motor II (namely the vertical plane of the motor shaft III), the processing time in the step is set to be 1-3 minutes, and the processing step b is carried out after the process is stopped;
b, controlling the motor I to rotate forwards, the motor II to rotate forwards and the motor III to rotate backwards, wherein the rotating speed of the motor II and the rotating speed of the motor III are greater than that of the motor I, the motor II and the motor III are slightly earlier than that of the motor I for 1-2 seconds when the motor II is started, the sphere can turn up and down along the vertical surface of the motor shaft I, the processing time in the step is set to be 1-3 minutes, and the processing step c is carried out after the motor II stops;
step c, controlling the motor I to rotate reversely, the motor II to rotate forwardly, the motor III to rotate forwardly, and the rotating speed of the motor I and the rotating speed of the motor III to be greater than that of the motor II, starting the motor I and the motor III for 1-2 seconds slightly before the motor II, enabling the sphere to turn up and down along the vertical surface of the motor shaft II, setting the processing time of the step as 1-3 minutes, and entering a processing step d after stopping;
and d, controlling the motors I, II and III to rotate forwards at the same speed, starting the motors at the same time, enabling the ball to rotate along a horizontal plane, setting the processing time of the step to be 1-3 minutes, stopping the step, entering the processing step a, and circularly processing the four steps.
6. The grinding and polishing method of a complete single sphere according to claim 5, wherein in the three steps a, b, c, the rotating speed values of the motors with high rotating speed are set to be the same, the rotating speed value range is 150-200 r/min, the rotating speed values of the motors with low rotating speed are the same, and the rotating speed value range is 100-150 r/min; in the step d, the same rotating speed of the three motors is set as the average value of the rotating speeds of the high motor and the low motor in the previous three steps, so that the movement speeds of the spheres in each step are basically the same, the step-by-step processing time of each step is set to be the same, the unbalance of grinding and polishing is avoided, and the total processing time is set according to the grinding and polishing amount of each process of coarse grinding, fine grinding, coarse polishing and fine polishing.
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| CN202110889651.0A CN113427397A (en) | 2021-08-04 | 2021-08-04 | Complete single-sphere grinding and polishing device and processing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434159A (en) * | 2022-01-30 | 2022-05-06 | 安徽英克尔汽车零部件有限公司 | Device for grinding inner spherical surface of ball cage bell housing and finish milling ball path in ball cage bell housing |
| CN116618977A (en) * | 2023-07-20 | 2023-08-22 | 昆明尼古拉斯克雷亚机床有限公司 | Main shaft machining process of gantry frame movable machining center |
| CN117103091A (en) * | 2023-10-20 | 2023-11-24 | 黑龙江省宝泉岭农垦溢祥新能源材料有限公司 | High-compaction spherical graphite shaping device and method thereof |
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2021
- 2021-08-04 CN CN202110889651.0A patent/CN113427397A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434159A (en) * | 2022-01-30 | 2022-05-06 | 安徽英克尔汽车零部件有限公司 | Device for grinding inner spherical surface of ball cage bell housing and finish milling ball path in ball cage bell housing |
| CN114434159B (en) * | 2022-01-30 | 2023-11-07 | 安徽英克尔汽车零部件有限公司 | Device for grinding inner spherical surface of ball cage bell housing and finish milling ball channel in ball cage bell housing |
| CN116618977A (en) * | 2023-07-20 | 2023-08-22 | 昆明尼古拉斯克雷亚机床有限公司 | Main shaft machining process of gantry frame movable machining center |
| CN116618977B (en) * | 2023-07-20 | 2023-09-19 | 昆明尼古拉斯克雷亚机床有限公司 | Main shaft machining process of gantry frame movable machining center |
| CN117103091A (en) * | 2023-10-20 | 2023-11-24 | 黑龙江省宝泉岭农垦溢祥新能源材料有限公司 | High-compaction spherical graphite shaping device and method thereof |
| CN117103091B (en) * | 2023-10-20 | 2024-01-12 | 黑龙江省宝泉岭农垦溢祥新能源材料有限公司 | High-compaction spherical graphite shaping device and method thereof |
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