WO2011068041A1 - 加工方法および軸受 - Google Patents
加工方法および軸受 Download PDFInfo
- Publication number
- WO2011068041A1 WO2011068041A1 PCT/JP2010/070690 JP2010070690W WO2011068041A1 WO 2011068041 A1 WO2011068041 A1 WO 2011068041A1 JP 2010070690 W JP2010070690 W JP 2010070690W WO 2011068041 A1 WO2011068041 A1 WO 2011068041A1
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- WIPO (PCT)
- Prior art keywords
- grinding
- cutting
- bearing
- rolling surface
- processing method
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/12—Boron nitride
- B23B2226/125—Boron nitride cubic [CBN]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/24—Hard, i.e. after being hardened
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/02—Mechanical treatment, e.g. finishing
- F16C2223/06—Mechanical treatment, e.g. finishing polishing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/56—Tolerances; Accuracy of linear dimensions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49679—Anti-friction bearing or component thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49679—Anti-friction bearing or component thereof
- Y10T29/49689—Race making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49707—Bearing surface treatment
Definitions
- the present invention relates to a processing method for processing components such as deep groove ball bearings, angular ball bearings, tapered roller bearings, and the like, and a bearing using the components processed by such a processing method.
- a raw outer ring material W1 having a substantially outer ring shape is obtained by forging such as cold rolling.
- the material W1 is quenched in a heating furnace 52 and surface-cured, and then the width grinding shown in FIG. 4C and the outer diameter grinding shown in FIG. 4D are performed.
- the outer diameter ground material W1 is turned to process the rolling surface 51a and the seal groove 51b into desired shapes as shown in FIG. 4E.
- the rolling surface 51 a is superfinished with the grindstone 53, and the material W ⁇ b> 1 is completed as the outer ring 51.
- the raw material of the inner ring that is substantially in the shape of the inner ring is obtained by forging such as cold rolling. This material is quenched in a heating furnace to be surface hardened and then subjected to width grinding. Next, this width-ground material is turned to process the rolling surface and the seal groove into a desired shape.
- the inner ring is completed by subjecting the cut material to internal grinding and superfinishing with a grinding wheel on the rolling surface.
- the lead time after the heat treatment is as follows. Heat treatment ⁇ width grinding ⁇ cutting ⁇ grinding. This is because if the bearing to be manufactured (bearing) has a large size (with an inner diameter of 180 mm or more), the deformation after heat treatment is large, so that it is necessary to increase the finishing allowance.
- a work-affected layer of several tens of ⁇ m called a white layer or a heat-affected layer is generated on the workpiece, so that it is impossible to finish a portion that receives high stress such as a bearing transfer surface.
- the present invention eliminates the need for superfinishing (mirror grinding) processing, and provides a processing method capable of reducing lead time and a bearing manufactured by using this processing method. To do.
- the machining method of the present invention is a machining method in which a component part of a bearing is chucked by a chuck device and finishing of the component part is performed, and the component part is baked while being chucked without releasing the chuck by the chuck device.
- Steel cutting and grinding are performed.
- Hardened steel cutting is simply cutting, and since cutting is usually performed in the state of raw material, it was referred to as hardened steel cutting in order to clarify that the cutting was after heat treatment (after quenching).
- the processing method of the present invention since the hardened steel cutting and grinding are performed while the component is chucked, the workpiece (component) can be attached and detached between the hardened steel cutting and the grinding. There is no need. For this reason, it is possible to prevent the center misalignment from occurring due to the absence of the center alignment operation in the chuck again, and to reduce the machining allowance.
- the component has a rolling surface, and it is preferable to perform finish grinding of the rolling surface and cutting of other parts that omit the rolling surface at the same time. In this case, it is possible to perform cutting (quenched steel cutting) while leaving a machining allowance within 100 ⁇ m on one side as a finish grinding allowance for the rolling surface.
- the component may be an inner ring having a rolling surface on the outer diameter surface, or the component may be an outer ring having a rolling surface on the inner diameter surface.
- the first bearing of the present invention uses an inner ring processed by the above processing method. Moreover, the 2nd bearing of this invention uses the outer ring
- the machining allowance can be reduced, and a grinding wheel that is more accurate than efficiency can be selected.
- the surface properties required for the product can be obtained, and superfinishing (mirror polishing) processing such as rolling surfaces can be omitted.
- lead time can be shortened and productivity can be improved.
- the present invention is a processing method suitable for a component of a large-sized bearing (for example, having an inner diameter of 180 mm or more) that has a large deformation after heat treatment.
- hardened steel cutting is dry processing, no grinding coolant is required. For this reason, hardened steel cutting has the advantage that it is environmentally friendly and can finish dimensions with high accuracy.
- More efficient machining can be performed by simultaneously performing finish grinding of the rolling surface and cutting of other parts that omit the rolling surface. Further, by performing cutting (quenched steel cutting) while leaving a machining allowance within 100 ⁇ m as a final grinding allowance for the rolling surface, it is possible to provide a high-quality product without leaving a work-affected layer.
- Each component can be molded by processing with a reduced lead time by the above processing method, and productivity can be improved by assembling a bearing using such components.
- FIG. 3 is a sectional view of a bearing (conical roller bearing) using a component processed by the processing method according to the present invention.
- This bearing includes an inner ring 2 having a conical rolling surface 2a on an outer diameter surface, an outer ring 3 having a conical rolling surface 3a on an inner diameter surface, and rolling of the rolling surface 2a and outer ring 3 of the inner ring 2.
- a tapered roller 4 interposed between the surface 3a and a cage 5 for holding the tapered roller 4 are provided.
- the inner ring 2 has a small flange portion 2b on the small diameter side of the rolling surface 2a and a large flange portion 2c on the large diameter side of the rolling surface 2a.
- the components processed by this processing method are the inner ring 2, the outer ring 3, and the like.
- the processing method according to the present invention will be described first for the inner ring 2.
- a heat treatment is performed on the inner ring forming material (substantially finished in the shape of the product) 2A (see FIG. 1).
- heat processing it can quench with a heating furnace, for example.
- width grinding is performed to perform cutting and grinding as shown in FIG.
- the inner ring forming material 2A has a conical rolling surface forming surface 2Aa on the outer diameter surface, has a small flange portion 2Ab on the small diameter side of the rolling surface forming surface 2Aa, and is larger than the forming surface rolling surface 2Aa.
- a large collar portion 2Ac is provided on the radial side.
- the chuck device 10 can be constituted by, for example, a magnet chuck.
- the cutting tool 11 performs hardened steel cutting.
- the cutting tool 11 has a cutting tool 15 capable of cutting hardened steel.
- the cutting tool 15 capable of cutting hardened steel for example, it can be composed of a sintered tool obtained by adding a special ceramic binder to CBN (cubic back-crystal boron nitride). Such a byte 15 is commercially available.
- the cutting tool 15 is supported by the support 14 and can be moved in directions of arrows A and B which are parallel to the axis of the inner ring 2 by a moving mechanism (not shown).
- Hardened steel cutting is simply cutting, and since cutting is usually performed in the state of raw material, it was referred to as hardened steel cutting in order to clarify that the cutting was after heat treatment (after quenching).
- the grinding tool 12 includes a disk-shaped grindstone 16 and a drive mechanism 17 that rotates the grindstone 16 about its axis.
- the drive mechanism 17 includes, for example, a drive motor 18 and a transmission shaft 19 that transmits the rotational driving force of the drive motor 18 to the grindstone 16.
- the axis of the grinding tool 12 is inclined corresponding to the inclination angle of the rolling surface 2 a of the inner ring 2. And the movement of the arrow C and the direction of D in such a tilted state is possible.
- the chuck device 10 includes a base 20 on which the inner ring forming material 2A is adsorbed, and the base 20 can be rotationally driven.
- the end face 2Ad on the thick side of the inner ring forming material 2A is placed and fixed on the base 20.
- the inner ring forming material 2 ⁇ / b> A adsorbed on the base 20 is driven to rotate around its axis O.
- the base 20 can be rotated around its axis O by mounting and fixing the base 20 on an existing rotary table known and publicly used.
- the cutting tool 11 has a cutting tool 11 on the inner diameter side of the inner ring forming material 2A as shown in FIG. Position it on the table side and move it in the direction of arrow A. Thereby, the inner surface of the inner ring forming material 2A can be cut (quenched steel cutting), and the inner surface of the inner ring 2 can be finished. In this case, cutting is performed leaving a machining allowance within 100 ⁇ m on one side as a finish grinding allowance for the rolling surface 2a.
- the axial center Oa is disposed on the outer diameter side of the inner ring forming material 2 ⁇ / b> A in a state of being inclined corresponding to the inclination angle of the rolling surface forming surface 2 ⁇ / b> Aa.
- the grindstone 12 is rotated around its axis Oa while maintaining the inclination angle of the grinding tool 12 so as to approach the inner ring forming material 2A as indicated by an arrow C.
- An outer peripheral surface is made to contact rolling surface formation surface 2Aa.
- the rolling surface forming surface 2Aa can be ground, and the rolling surface 2a of the inner ring 2 can be finished.
- the outer ring forming material 3A After forming the outer ring forming material (substantially finished in the shape of the product) 3A, heat treatment is performed on the material 3A. Also as heat processing, it can quench with a heating furnace, for example. Thereafter, width grinding is performed to perform cutting (quenched steel cutting) and grinding.
- the outer ring forming material 3A has a conical rolling surface forming surface 3Aa on the inner diameter surface.
- the base 30 has a ring-shaped support portion 30a on the outer periphery of the upper surface, and the end surface 3Ab on the thick side of the outer ring forming material 3A is placed and fixed on the support portion 30a.
- the tool 15 of the cutting tool 11 is placed on the outer diameter side of the outer ring forming material 3A, It is located on the base side and moved in the direction of arrow A1. Thereby, the outer diameter surface of the outer ring forming material 3A can be cut (hardened steel cutting), and the outer diameter surface of the outer ring 3 can be finished.
- the axial center Oa is disposed on the inner diameter side of the outer ring forming material 3A in a state where the axis Oa is inclined corresponding to the inclination angle of the rolling surface forming surface 3Aa.
- the grindstone 16 is rotated around its axis Oa so as to approach the inner diameter surface of the outer ring forming material 3A as indicated by an arrow D1, The outer peripheral surface of the grindstone 16 is brought into contact with the rolling surface forming surface 3Aa.
- the rolling surface forming surface 3Aa can be ground and the rolling surface 3a of the outer ring 3 can be finished. Cutting is performed while leaving a machining allowance within 100 ⁇ m on one side as a finish grinding allowance for the rolling surface 3a.
- a grinding wheel is composed of three elements (abrasive grains, binder, pores) and five factors (abrasive grain type, grain size, bonding degree, structure, binder).
- the three elements represent the elements constituting the grindstone, and the five factors represent the properties of these elements.
- Abrasive grains are high-hardness granular or powder products that function as a grindstone.
- the binder is a material as an adhesive that bonds and holds the abrasive grains and is also called a bond.
- the pore is a space existing in the grinding wheel and has a function of storing chips.
- JIS R6111-2002 manufactured abrasive material
- JIS R6111-2002 has specifications regarding the properties of abrasive grains as general abrasive grains used in industry, and can be broadly classified into alumina and silicon carbide.
- Alumina is suitable for metals such as general steel and tool steel
- silicon carbide is suitable for non-ferrous metals and non-metals such as aluminum, copper and cemented carbide.
- the particle size refers to the size of the abrasive grains and is represented by a sieve mesh. As numerical values, up to 220 is called coarse particles, and more than that is called fine powder. The smaller the numerical value, the coarser, and the coarser, the weaker the strength. Select according to the finishing accuracy of the ground surface.
- the degree of bonding is an index indicating the holding power between the abrasive grains and the binder and is represented by alphabets A to Z. The closer to A, the softer. Generally, a softer grindstone is used for hard workpieces and a harder one is used for soft ones. In addition, a grindstone having a higher degree of bonding has a higher strength, and a softer one has a lower strength.
- the structure is an index determined from the ratio (abrasive ratio) of the abrasive grains in the unit volume of the grindstone. The abrasive grains ratio is 62% to 34%, divided into 15 to 14 classes, and the abrasive grain ratio is 62%. It is said.
- a binder refers to a material that binds abrasive grains together.
- the grindstone 16 of the grinding tool 12 can be variously selected based on the above three elements and five factors depending on the material of the inner ring 2 and the outer ring 3 to be ground.
- the processing method of the present invention since the hardened steel cutting and grinding are performed while the component is chucked, the workpiece (component) is between the cutting (hardened steel cutting) and the grinding. ) Is no longer necessary. For this reason, it is possible to prevent the center misalignment from occurring due to the absence of the center alignment operation in the chuck again, and to reduce the machining allowance. As a result, it is possible to select a grinding wheel that emphasizes accuracy rather than efficiency. As a result, the surface properties required for the product can be obtained, and superfinishing (mirror polishing) processing such as rolling surfaces can be omitted. For this reason, lead time can be shortened and productivity can be improved.
- the present invention is a processing method suitable for a component of a large-sized bearing (for example, having an inner diameter of 180 mm or more) that has a large deformation after heat treatment.
- a component of a large-sized bearing for example, having an inner diameter of 180 mm or more
- hardened steel cutting is dry processing, no grinding coolant is required. For this reason, hardened steel cutting has the advantage that it is environmentally friendly and can finish dimensions with high accuracy.
- More efficient machining can be performed by simultaneously performing finish grinding of the rolling surfaces 2a and 3a and cutting of other portions excluding the rolling surfaces 2a and 3a. Also, by cutting the hardened steel within 100 ⁇ m as the final grinding allowance for the rolling surfaces 2a and 3a (hardened steel cutting), it is possible to eliminate the work-affected layer, leaving a high quality product. Can be provided.
- Each component can be molded by processing with a reduced lead time by the above processing method, and productivity can be improved by assembling a bearing using such components.
- the raceway grooves provided in the inner ring and the outer ring form a cross of an arc having a radius slightly larger than the radius of the rolling ball.
- axial loads in both directions can be applied. Frictional torque is small and suitable for applications that require high speed rotation and low noise and vibration.
- Angular contact ball bearings are bearings in which the balls and the races of the inner ring and the outer ring contact at a certain angle with respect to the radial direction.
- the axial load is limited to one direction, it is suitable for receiving a combined load of an axial load and a radial load. Since this bearing has a contact angle, when a radial load is applied, an axial component force is generated. Therefore, two bearings can be made to face each other or a plurality of them can be used in combination. When two bearings are installed adjacent to each other, a combined angular contact ball bearing is prepared by adjusting the clearance in advance.
- the tapered roller bearing is designed so that the tapered roller and the raceway are in line contact, and the inner ring rolling surface, outer ring rolling surface, and the conical apex of the roller coincide with one point on the rotation center line of the bearing. Has been.
- the present invention has been described.
- the present invention is not limited to the above-described embodiment, and various modifications are possible.
- the material of the material etc.
- various methods such as carburizing and quenching can be used.
- the rotational speed of the cutting and grinding of the inner ring forming material 2A and the outer ring forming material 3A, the moving speed of the cutting tool 15 when cutting the cutting tool 11, the rotational speed of the grindstone 16 of the grinding tool 12, and the like can be variously changed.
- the chuck device 10 is only required to be able to chuck a workpiece (component) to be machined, and to perform quenching steel cutting and grinding while maintaining this chucked state. Can be used.
- the component is a component of a tapered roller bearing.
- the configuration of the cutting tool 11 and the grinding tool 12 is used. And moving directions are different.
- a known and publicly known one can be used as the configuration and moving mechanism of the cutting tool 11 and the grinding tool 12 in such a case.
- Super finish can be performed.
- Parts processed by the processing method are inner rings and outer rings such as deep groove ball bearings, angular ball bearings, and tapered roller bearings.
- a magnet chuck that magnetically attracts and fixes a magnetic material can be used as a chuck device that holds a workpiece (component) during cutting and grinding.
- Magnet chucks include those using permanent magnets, those using electromagnets, and hybrid types combining both.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
2a 転走面
3 外輪
3a 転走面
10 チャック装置
Claims (7)
- 軸受の構成部品をチャック装置にてチャックしてこの構成部品の仕上げ加工を行う加工方法であって、
チャック装置によるチャックを解除することなく、構成部品をチャックしたまま焼入鋼切削と研削加工とを行うことを特徴とする加工方法。 - 前記構成部品は転走面を有し、この転走面の仕上げ研削と、転走面を省く他の部位の切削とを同時に行うことを特徴とする請求項1に記載の加工方法。
- 前記構成部品は転走面を有し、この転走面の仕上げ研削代として片肉100μm以内の取代を残して焼入鋼切削することを特徴とする請求項1に記載の加工方法。
- 前記構成部品が外径面に転走面を有する内輪であることを特徴とする請求項1~請求項3のいずれか1項に記載の加工方法。
- 前記構成部品が内径面に転走面を有する外輪であることを特徴とする請求項1~請求項3のいずれか1項に記載の加工方法。
- 前記請求項4に記載の加工方法にて加工された内輪を用いたことを特徴とする軸受。
- 前記請求項5に記載の加工方法にて加工された外輪を用いたことを特徴とする軸受。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/503,878 US9427832B2 (en) | 2009-12-02 | 2010-11-19 | Processing method and bearing |
CN201080054167.6A CN102639286B (zh) | 2009-12-02 | 2010-11-19 | 轴承的结构部件的加工方法及轴承 |
US15/214,733 US20160327094A1 (en) | 2009-12-02 | 2016-07-20 | Processing method and bearing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-274360 | 2009-12-02 | ||
JP2009274360A JP5752351B2 (ja) | 2009-12-02 | 2009-12-02 | 加工方法および軸受 |
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US13/503,878 A-371-Of-International US9427832B2 (en) | 2009-12-02 | 2010-11-19 | Processing method and bearing |
US15/214,733 Division US20160327094A1 (en) | 2009-12-02 | 2016-07-20 | Processing method and bearing |
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JP (1) | JP5752351B2 (ja) |
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CN103659568A (zh) * | 2013-12-17 | 2014-03-26 | 环驰轴承集团有限公司 | 一种轴承外圈超精机 |
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EP1978270B1 (en) * | 2006-01-20 | 2012-12-26 | JTEKT Corporation | Method for manufacturing hub unit and hub unit |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004167668A (ja) * | 2002-11-07 | 2004-06-17 | Nsk Ltd | 転がり軸受軌道輪の製造方法転がり軸受軌道輪の製造装置転がり軸受 |
JP2006021605A (ja) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | 車輪支持用転がり軸受ユニット及びその製造方法 |
Family Cites Families (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3803890A (en) * | 1969-12-31 | 1974-04-16 | Nat Res Dev | Rolling machines |
US3641716A (en) * | 1970-05-19 | 1972-02-15 | Daniel J Price | Bearing-grinding machine |
US3879897A (en) * | 1972-12-08 | 1975-04-29 | Nippon Seiko Kk | Method and apparatus for producing the bearing races |
FR2266575B1 (ja) * | 1974-04-08 | 1976-12-17 | Roulements Soc Nouvelle | |
US4393563A (en) * | 1981-05-26 | 1983-07-19 | Smith David T | Cold forced sintered powder metal annular bearing ring blanks |
JPS5871062A (ja) * | 1981-10-24 | 1983-04-27 | Ntn Toyo Bearing Co Ltd | 円錐ころ軸受内輪の加工方法 |
US4427241A (en) * | 1982-01-18 | 1984-01-24 | The Timken Company | Composite bearing races and process for producing the same |
US4601592A (en) * | 1982-03-17 | 1986-07-22 | The Timken Company | Tapered roller bearing capable of sustained operation without lubricant replenishment |
US5037214A (en) * | 1988-02-29 | 1991-08-06 | The Timken Company | Double row tapered roller bearing assembly |
JPH02299902A (ja) * | 1989-05-15 | 1990-12-12 | Koyo Seiko Co Ltd | ハブユニット |
US5702294A (en) * | 1989-06-19 | 1997-12-30 | Constant Velocity Systems, Inc. | Grinding bit having a novel grinding grip |
JP3321228B2 (ja) | 1993-02-24 | 2002-09-03 | エヌティエヌ株式会社 | 転がり軸受の軌道輪製造方法 |
JPH06246547A (ja) * | 1993-02-26 | 1994-09-06 | Ntn Corp | 転がり軸受の軌道輪製造方法 |
JP3326874B2 (ja) * | 1993-05-31 | 2002-09-24 | 日本精工株式会社 | 転がり軸受 |
US5861067A (en) * | 1995-08-08 | 1999-01-19 | The Timken Company | Steel machine component having refined surface microstructure and process for forming the same |
JP3750202B2 (ja) * | 1996-02-21 | 2006-03-01 | 日本精工株式会社 | 転がり軸受 |
US5878496A (en) * | 1996-04-09 | 1999-03-09 | Purdue Research Foundation | Method of manufacturing a component |
JPH1076448A (ja) * | 1996-08-30 | 1998-03-24 | Riken Seiko Kk | Elid研削方法 |
US5882123A (en) * | 1997-06-03 | 1999-03-16 | The Timken Company | Roll-formed bearing race and process for producing the same |
DE19734563C1 (de) * | 1997-08-04 | 1998-12-03 | Mannesmann Ag | Verfahren zur Herstellung von Wälzlagerringen aus Stahl |
US6440237B1 (en) * | 2000-05-23 | 2002-08-27 | Delphi Technologies, Inc. | Process for forming cold formed high-load bearing steel parts |
JP4545906B2 (ja) * | 2000-09-04 | 2010-09-15 | 本田技研工業株式会社 | 歯溝加工方法 |
CA2410808A1 (en) * | 2001-03-31 | 2002-11-28 | Hegenscheidt-Mfd Gmbh & Co. Kg | Method for producing a deep rolling roller, and deep rolling roller |
US7117574B2 (en) * | 2002-03-15 | 2006-10-10 | Purdue Research Foundation | Determining expected fatigue life of hard machined components |
JP2004144279A (ja) * | 2002-08-28 | 2004-05-20 | Nissan Motor Co Ltd | ころ軸受及びその製造方法 |
EP1656225B1 (de) * | 2003-08-13 | 2015-04-22 | Technische Universität Dresden | Verfahren zur herstellung von innen- und/oder aussenprofilierten ringen sowie anordnung hierzu |
JP2005246510A (ja) * | 2004-03-02 | 2005-09-15 | Nissan Motor Co Ltd | 金属材料の高平滑研削方法及び金属材料高平滑研削装置 |
DE102004029600A1 (de) * | 2004-06-18 | 2006-01-12 | Frank Scherer | Verfahren zur Herstellung von konzentrisch ineinander lagerbaren Drehteilen |
JP2006009891A (ja) * | 2004-06-24 | 2006-01-12 | Nsk Ltd | ころ軸受 |
KR100579926B1 (ko) * | 2004-06-30 | 2006-05-15 | 현대자동차주식회사 | 내연기관의 실화 판정 방법 및 시스템 |
JP4800599B2 (ja) * | 2004-07-05 | 2011-10-26 | Ntn株式会社 | 円すいころ軸受 |
EP1624502B1 (en) * | 2004-08-04 | 2015-11-18 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, display device, and electronic appliance |
DE102004039845B4 (de) * | 2004-08-18 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Axial-Kegelrollenlager |
US7886441B2 (en) * | 2004-11-26 | 2011-02-15 | Jtekt Corporation | Method of manufacturing a rolling bearing device having identification information |
DE102006019135B4 (de) * | 2006-04-21 | 2014-08-28 | Thielenhaus Technologies Gmbh | Verfahren zur Verschleißkompensation eines Finishwerkzeuges |
JP5141072B2 (ja) * | 2006-04-25 | 2013-02-13 | 日本精工株式会社 | 軸受ユニット用外輪の製造方法 |
JPWO2008041406A1 (ja) * | 2006-10-03 | 2010-02-04 | セイコーインスツル株式会社 | ベアリング用リング部材のブランクとその製造方法、ベアリング用リング部材の製造方法およびベアリング |
JP2008174208A (ja) * | 2006-12-20 | 2008-07-31 | Ntn Corp | 車輪用軸受装置のハブ輪およびその製造方法 |
JP4252093B2 (ja) * | 2007-01-18 | 2009-04-08 | 昭和電工株式会社 | 円盤状基板の研削方法、研削装置 |
ITVR20070170A1 (it) * | 2007-11-23 | 2009-05-24 | Airaghi Srl Off | Procedimento per la realizzazione di ricambi conici per raffinatori per la produzione di carta |
JP2009197899A (ja) * | 2008-02-21 | 2009-09-03 | Ntn Corp | 複列アンギュラ軸受 |
JP2009191909A (ja) * | 2008-02-13 | 2009-08-27 | Ntn Corp | 車輪用軸受装置 |
JP5912608B2 (ja) * | 2012-02-06 | 2016-04-27 | 日本トムソン株式会社 | 旋回軸受 |
JP2016505123A (ja) * | 2013-02-06 | 2016-02-18 | アクティエボラゲット・エスコーエッフ | 改善されたマイクロピッチング耐性を有する軸受 |
GB2521397A (en) * | 2013-12-18 | 2015-06-24 | Skf Ab | A ring for a bearing, an inner ring, an outer ring, and a bearing |
EP2963305B1 (en) * | 2014-06-30 | 2019-04-17 | Aktiebolaget SKF | Process for manufacturing a hollow roller, hollow roller obtainable via such a process and roller bearing including such a roller |
WO2016172032A1 (en) * | 2015-04-23 | 2016-10-27 | The Timken Company | Method of forming a bearing component |
DE102017218844A1 (de) * | 2016-11-07 | 2018-05-09 | Aktiebolaget Skf | Beschichtungsverfahren für einen Lagerring |
-
2009
- 2009-12-02 JP JP2009274360A patent/JP5752351B2/ja not_active Expired - Fee Related
-
2010
- 2010-11-19 WO PCT/JP2010/070690 patent/WO2011068041A1/ja active Application Filing
- 2010-11-19 CN CN201080054167.6A patent/CN102639286B/zh not_active Expired - Fee Related
- 2010-11-19 US US13/503,878 patent/US9427832B2/en not_active Expired - Fee Related
-
2016
- 2016-07-20 US US15/214,733 patent/US20160327094A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004167668A (ja) * | 2002-11-07 | 2004-06-17 | Nsk Ltd | 転がり軸受軌道輪の製造方法転がり軸受軌道輪の製造装置転がり軸受 |
JP2006021605A (ja) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | 車輪支持用転がり軸受ユニット及びその製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102554756A (zh) * | 2012-01-11 | 2012-07-11 | 浙江捷姆轴承有限公司 | 一种圆锥滚子轴承内圈挡边的超精加工装置及工艺 |
CN102658464A (zh) * | 2012-06-01 | 2012-09-12 | 厦门大学 | 一种轴承沟道的加工方法 |
CN103659568A (zh) * | 2013-12-17 | 2014-03-26 | 环驰轴承集团有限公司 | 一种轴承外圈超精机 |
Also Published As
Publication number | Publication date |
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US9427832B2 (en) | 2016-08-30 |
CN102639286B (zh) | 2015-11-25 |
CN102639286A (zh) | 2012-08-15 |
US20160327094A1 (en) | 2016-11-10 |
JP2011115879A (ja) | 2011-06-16 |
US20120269476A1 (en) | 2012-10-25 |
JP5752351B2 (ja) | 2015-07-22 |
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