CN105690192A - High-precision numerical control cylindrical roller grinding machine - Google Patents
High-precision numerical control cylindrical roller grinding machine Download PDFInfo
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- CN105690192A CN105690192A CN201610174699.2A CN201610174699A CN105690192A CN 105690192 A CN105690192 A CN 105690192A CN 201610174699 A CN201610174699 A CN 201610174699A CN 105690192 A CN105690192 A CN 105690192A
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- Prior art keywords
- cylindrical roller
- driving device
- numerical control
- grinding
- head
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Classifications
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a high-precision numerical control cylindrical roller grinding machine. The high-precision numerical control cylindrical roller grinding machine comprises a machine body, a centre mechanism, a feeding mechanism, a grinding wheel grinding head device, a measurement mechanism and a numerical control system, wherein the centre mechanism, the feeding mechanism, the grinding wheel grinding head device and the measurement mechanism are installed on the machine body; the feeding mechanism is used for conveying cylindrical rollers to be machined to the centre mechanism; the centre mechanism is used for abutting against and clamping the cylindrical rollers to be machined; a grinding wheel arranged on the grinding wheel grinding head device is used for grinding the cylindrical rollers; and the measurement mechanism is used for detecting size changes of the cylindrical rollers in the machining process. The high-precision numerical control cylindrical roller grinding machine is high in machining precision, and easy and convenient to operate, can measure the initial precision of the cylindrical rollers to be machined on line, and then grinds the cylindrical rollers correspondingly, and the rollers in different sizes and specifications are sorted and finally installed and positioned at a time, so that precision grinding can be carried out on the cylindrical rollers.
Description
Technical field
The present invention relates to bearing roller manufacture field, especially relate to a kind of high precision numerical control cylindrical roller grinding machine。
Background technology
Known, cylindrical roller in existing bearing is generally all selected on the centerless grinder being made up of abrasive grinding wheel, adjustment guide wheel and work support when grinding, and adopt centerless grinding method to implement processing, namely the grinding work of roller is completed by the abrasive grinding wheel of high speed rotating, by controlling the rotation of roller with the homodromal adjustment guide wheel of slower speed, and the workpiece supported by work support is driven to rotate and do rotary feed；During due to centerless grinder through feed grinding, it is possible to realize workpiece axial feed by adjusting the small skew angle of guide wheel axis and axis of workpiece, therefore, centerless grinder is suitable to batch grinding cylinder shape workpiece, the short axle in non-stop layer hole and sleeve workpiece；But, during due to grinding, the center of cylindrical roller is uncertain, when the center of cylindrical roller is higher than the theoretical center set, will result in cylindrical roller to beat in grinding, thus causing that the phenomenon such as chatter mark or prism shape occurs in the roller surface after grinding, simultaneously, due also to when adjusting guide wheel circularity over tolerance, also related can cause cylindrical roller that the problems such as circularity over tolerance occur, namely existing grinding machine equipment cannot meet the cylindrical of grinding bearing cylindrical roller when once mounting simultaneously, the requirement of end face and loaarithmic curve, therefore, when grinding cylinder roller class workpiece, the above-mentioned factor being not easily overcome in these processing just becomes the one of the main reasons reducing roller end product quality；In addition, existing technique is when machining high-precision cylindrical roller, limit by process equipment, its usual employing first carries out refining, super grinding operation, then the processing method that same parameter roller is chosen in sorting packet again, but, the roller of GB II class precision also still can be implemented processing by the existing equipment for implementing this process, but for accuracy detection index all μm within 0 grade and I level cylindrical roller, its crudy of the guarantee that existing equipment is just difficult to。
Summary of the invention
In order to overcome the deficiency in background technology, the present invention proposes a kind of high precision numerical control cylindrical roller precision grinder, and this grinding machine can be implemented and complete cylindrical roller accurate grinding operation, thus reaching the purpose processing high accuracy cylindrical roller of simple and fast。
For achieving the above object, the present invention adopts the following technical scheme that
A kind of high precision numerical control cylindrical roller precision grinder, including lathe bed, is installed on the tip mechanism on lathe bed, feed mechanism, emery wheel grinding-head device and measuring mechanism, digital control system；
Feed mechanism, for the cylindrical roller to be processed to tip mechanism conveying；
Tip mechanism, for holding out against clamping cylindrical roller to be processed, is guide tracked connection with lathe bed, and tip mechanism is equipped for it along X to the X of movement to driving device and the Y-direction driving device that moves along Y-direction；
Emery wheel grinding-head device, by the wheel grinding cylindrical roller arranged on it；
Measuring mechanism, for detecting the change in size of cylindrical roller in the course of processing。
Further, described tip mechanism includes upper backup pad, lower supporting plate, left flat centre device and right flat centre device, left flat centre device and/or right flat centre device can slide on upper backup pad, upper backup pad and lower supporting plate are guide tracked be connected and upper backup pad can slide along Y-direction under the effect of described Y-direction driving device on lower supporting plate, lower supporting plate and lathe bed be guide tracked be connected and lower supporting plate can described X under the effect of driving device on lathe bed along X to slip。
Further, described left flat centre device and right flat centre device include a flat centre respectively, and the tip end of two flat centres relatively and is positioned at same axis。
Further, X all electrically connects with digital control system to driving device and Y-direction driving device。
Further, described feed mechanism includes riser, feeding cylinder, left hopper, material arm, rotary cylinder, right hopper and top support, riser is fixedly connected on described upper backup pad by base, the left surface and right flank of riser are correspondingly arranged on left hopper and right hopper respectively, material arm can be swung by the rotary cylinder connected on it between right hopper and the right flank of riser, material arm upper end is provided with the material pawl for capturing cylindrical roller, described top support is arranged corresponding to material pawl, in grinding process, the periphery of cylindrical roller it is supported on for cylindrical roller；Being provided through the material set of the hollow structure of riser left and right side on riser, feeding cylinder is caught by the material pawl swinging to this position after material set for promoting the cylindrical roller on left hopper。
Further, described dresser includes two set diamond pen devices, often set diamond pen device all includes base, rotary disk, slide and is provided with the Buddha's warrior attendant penholder of diamond pen, base is installed on lathe bed, diamond pen frame is arranged on slide, slide is fixedly connected on rotary disk upper surface, rotary disk is arranged on base and rotary disk can rotate on base, is often respectively connected with on the slide in set diamond pen device for driving slide to the driving device A of feeding and to drive slide along the driving device B of Y-direction feeding along X。
Further, described driving device A and driving device B is each equipped with the grating feedback device that accuracy of detection is 0.1um。
Further, described driving device A and driving device B is electrically connected to digital control system。
Further, described measuring mechanism comprises measurement bracket, push-and-pull cylinder, measures head；Right angle setting one push-and-pull cylinder in measurement bracket, the push-pull bar of push-and-pull cylinder is connected with measuring the fixing plate of head, measure and the fixing plate of head is provided with measurement head, measure head and support corresponding to described flat centre, for measuring the change in size of the cylindrical roller detected in the course of processing in top support。
Further, measure on head and be provided with the real-time data transmission system being connected with digital control system。
Owing to adopting technique scheme, the present invention has following superiority:
The present invention not only machining accuracy is higher, and it is simple to operation, described lathe can the initial precision of on-line measurement cylindrical roller to be processed, then after cylindrical roller is carried out corresponding grinding, sort out the roller of different size specification, finally again the cylindrical roller sorted out is carried out once mounting location, it becomes possible to cylindrical roller is implemented fine grinding。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of another angle of the present invention；
Fig. 3 is the structural representation of tip mechanism；
Fig. 4 is the structural representation of feed mechanism；
Fig. 5 is another angled arrangement schematic diagram of feed mechanism；
Fig. 6 is the operating state schematic diagram of the material arm of feed mechanism；
Fig. 7 is another operating state schematic diagram of the material arm of feed mechanism；
Fig. 8 is the structural representation of dresser；
Fig. 9 is the structural representation of measuring mechanism；
In figure: 1, lathe bed；2, dresser；3, emery wheel grinding-head device；4, measuring mechanism；5, feed mechanism；6, X is to driving device；7, Y-direction driving device；8, tip mechanism；8.1, upper backup pad；8.2, lower supporting plate；8.3 left flat centre devices；8.4, right flat centre device；9, flat centre；10, driving device A；10.1, driving device B；11, rotary disk；12, Buddha's warrior attendant penholder；13, diamond pen；14, flat centre supports；15, cylindrical roller；16, material arm；17, material pawl；18, material pawl cylinder；19, riser；20, feeding cylinder head；21, feeding cylinder；22, feeding cylinder seat；23, balance weight；24, left hopper；25, the fixing plate of hopper；26, material set；27, right hopper；28, rotary cylinder；29, gauge head；30, measuring head base；31, push-and-pull cylinder；32, guide rail；33, slide block；34, measurement bracket。
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme is described in further detail。
As shown in Figure 1, 2, a kind of high precision numerical control cylindrical roller precision grinder, including lathe bed 1, it is installed on the tip mechanism on lathe bed 2, feed mechanism 5, emery wheel grinding-head device 3 and measuring mechanism 4, digital control system；
Feed mechanism 5, for carrying cylindrical roller 15 to be processed to tip mechanism 8；
Tip mechanism 8, for holding out against clamping cylindrical roller 15 to be processed, is connected for guide tracked with lathe bed 1, and tip mechanism 8 is equipped for it along X to the X of movement to driving device 6 and the Y-direction driving device 7 that moves along Y-direction；
Emery wheel grinding-head device 3, by the wheel grinding cylindrical roller 15 arranged on it；
Measuring mechanism 4, for detecting the change in size of cylindrical roller 15 in the course of processing。
Described digital control system is for controlling the action of each actuator on lathe bed, and actuator includes tip mechanism, feed mechanism, emery wheel grinding-head device and dresser。
As shown in Figure 3, described tip mechanism 8 includes upper backup pad 8.1, lower supporting plate 8.2, left flat centre device 8.3 and right flat centre device 8.4, left flat centre device 8.3 and/or right flat centre device 8.4 can slide on upper backup pad 8.1, upper backup pad 8.1 and lower supporting plate 8.2 are guide tracked be connected and upper backup pad 8.1 can slide along Y-direction under the effect of described Y-direction driving device 7 on lower supporting plate, lower supporting plate 8.2 and lathe bed 1 be guide tracked be connected and lower supporting plate 8.2 can described X under the effect of driving device 6 on lathe bed 1 along X to slip, X is each equipped with, to driving device and Y-direction driving device, the grating feedback device that accuracy of detection is 0.1um；X all electrically connects with digital control system to driving device and Y-direction driving device。
Described left flat centre device 8.3 and right flat centre device 8.4 include a flat centre 9 respectively, and the tip end of two flat centres relatively and is positioned at same axis。
Described left flat centre device 8.3 and right flat centre device 8.4 all include the motor for driving flat centre to rotate, cylindrical roller is after being clamped by two flat centres, drive under the effect of two flat centres and himself rotate, just its periphery can be carried out grinding by emery wheel grinding-head device。
As shown in figs. 4-7, when feeding, by the automatic feeding device of peripheral hardware, cylindrical roller 15 is put into left hopper 24, preferably, left hopper 24 is obliquely installed, it is easy to the automatic landing of cylindrical roller 15, and the least significant end at left hopper 24 is provided with striker plate, striker plate is positioned at the edge of material set 26 left port, when cylindrical roller landing is to striker plate, the central axis that the central axis of cylindrical roller 15 overlaps 26 with material is located along the same line, certainly, the diameter of bore of material set 26 is greater than the diameter of cylindrical roller 15 certainly, additionally, the gap of the piston rod traverse of feeding cylinder it is provided with mean between the side plate of striker plate and left hopper；During feeding, the piston rod of feeding cylinder 21 promotes the left side of cylindrical roller pushed through material set 26 and caught by the material pawl 17 on the material arm 16 swinging to this position, the swing of material arm 16 is to be driven by rotary cylinder 28, is placed into by cylindrical roller in flat centre support 14 carries out grinding by expecting that arm 16 swings；After grinding completes, after the forming cylinder roller processed is caught by material arm 16 by material pawl 17 thereon, by expecting that forming cylinder roller is placed on right hopper 27 by arm swing, complete blanking, of course for being easy to blanking, described right hopper 27 is also obliquely installed, and the discharge port end of right hopper is lower than the other end of right hopper。
Described left hopper 24 is fastenedly connected with the fixing plate 25 of the hopper being fixedly connected on riser 19 upper surface, and the bottom of material arm 16 is provided with balance weight 23。
Described material arm 16 should carry out material grasping between right hopper 27 and riser 19, also to realize the forming cylinder roller after by processing and be placed on right hopper, therefore, material arm is capable of two actions under the driving of rotary cylinder: the arm 16 swing in perpendicular of (1) material；(2) moving horizontally of arm 16 is expected, by moving horizontally so that material arm can be corresponding with right hopper 27。
It should be noted that the lathe of the present invention can also arrange a collection device, collection device is carrying out categorised collection from the forming cylinder roller of each size of landing on right hopper。
As shown in Figure 8, described dresser includes two set diamond pen devices, often set diamond pen device all includes base, rotary disk 11, slide and the Buddha's warrior attendant penholder 12 being provided with diamond pen 13, base is installed on lathe bed 1, Buddha's warrior attendant penholder 12 is arranged on slide, slide is fixedly connected on rotary disk 11 upper surface, rotary disk is arranged on base and rotary disk can rotate on base, often the slide in set diamond pen device is respectively connected with for driving slide to the driving device A10 of feeding and to drive slide along the driving device B10.1 of Y-direction feeding along X, described driving device A10 and driving device B10.1 is each equipped with the grating feedback device that accuracy of detection is 0.1um；Described driving device A10 and driving device B10.1 is electrically connected to digital control system。
Every suit diamond pen device all comprises following action:
(1) under the effect of driving device A10, slide and Buddha's warrior attendant penholder thereon can along X to movement；
(2) under the effect of driving device B10.1, slide and Buddha's warrior attendant penholder thereon can move along Y-direction；
(3) by the rotation of rotary disk 11, slide and Buddha's warrior attendant penholder thereon can rotate；
It addition, Buddha's warrior attendant penholder is bolted to connection in the elongated slot offered on slide, Buddha's warrior attendant penholder can be adjusted by adjustment Buddha's warrior attendant penholder fixed position in elongated slot and stretch out the length of slide；
By above it can be seen that Buddha's warrior attendant penholder and on the operating position of diamond pen can be adjusted by multiple actions so that very flexibly, accurately for carrying out repairing the work of emery wheel。
As it is shown in figure 9, described measuring mechanism comprises measurement bracket 34, push-and-pull cylinder 31, measurement 29；Right angle setting one push-and-pull cylinder 31 in measurement bracket 34, the push-pull bar of push-and-pull cylinder 31 is connected with measuring the fixing plate 30 of head, measure and the fixing plate 30 of head is provided with measurement 29, measurement 29 supports 14 corresponding to described flat centre, for measuring the change in size of the cylindrical roller detected in the course of processing in top support。
Described measurement bracket 34 is the L shape connected to form by horizontal side plate and perpendicular side plate, on the lateral surface of described perpendicular side plate, right angle setting one push-and-pull cylinder 31 and push-pull bar are arranged upward, measure the fixing plate 30 of head parallel with described perpendicular side plate, the upper end measuring the fixing plate of head is connected by a connecting plate is fixing with the push-pull bar of push-and-pull cylinder, the lower end measuring the fixing plate 30 of head is provided with measurement 29, protrude upward the drive fixing plate of measurement head by the push-pull bar of push-and-pull cylinder 31 to move up, and then can arbitrarily adjust the position measuring head, it is easy to the accurate measurement in the cylindrical roller course of processing。
Additionally, the medial surface of described perpendicular side plate is provided with guide rail 32, guide rail 32 is fitted with slide block 33, slide block is fixing with the fixing plate of measurement head to be connected, measure the fixing plate of head in the process moved up and down, band movable slider moves on guide rail, adds on the one hand and measures the stability that head is in course of adjustment, serves support guide effect on the other hand。
Described measurement 29 is provided with the real-time data transmission system being connected with digital control system, measuring head and the data measured are transferred to digital control system, certainly, digital control system is provided with display floater, pass through display floater, it can be seen that the change in size in each cylindrical roller course of processing。
It addition, described emery wheel grinding-head device all includes emery wheel, hydrostatic spindle, hydrostatic spindle seat, hydrostatic spindle shaft coupling and spindle drive motor；Described emery wheel is furnished with protective hood of grinding wheel, and emery wheel is connected with the one end of the hydrostatic spindle being installed in hydrostatic spindle seat；The other end of described hydrostatic spindle is connected with spindle drive motor by hydrostatic spindle shaft coupling, and spindle drive motor is connected with digital control system；Described hydrostatic spindle shaft coupling is furnished with hydrostatic spindle relief arrangement。
The precision machine tool of the present invention also includes machine shield, and machine shield can be push-and-pull telescopic structure, or machine shield is full-closed structure, and is provided with the switching door opened and closed on machine shield。
Claims (10)
1. a high precision numerical control cylindrical roller precision grinder, including lathe bed, is installed on the tip mechanism on lathe bed, feed mechanism, emery wheel grinding-head device and measuring mechanism, digital control system；It is characterized in that:
Feed mechanism, for the cylindrical roller to be processed to tip mechanism conveying；
Tip mechanism, for holding out against clamping cylindrical roller to be processed, is guide tracked connection with lathe bed, and tip mechanism is equipped for it along X to the X of movement to driving device and the Y-direction driving device that moves along Y-direction；
Emery wheel grinding-head device, by the wheel grinding cylindrical roller arranged on it；
Measuring mechanism, for detecting the change in size of cylindrical roller in the course of processing。
2. high precision numerical control cylindrical roller precision grinder according to claim 1, it is characterized in that: described tip mechanism includes upper backup pad, lower supporting plate, left flat centre device and right flat centre device, left flat centre device and/or right flat centre device can slide on upper backup pad, upper backup pad and lower supporting plate are guide tracked be connected and upper backup pad can slide along Y-direction under the effect of described Y-direction driving device on lower supporting plate, lower supporting plate and lathe bed be guide tracked be connected and lower supporting plate can described X under the effect of driving device on lathe bed along X to slip。
3. high precision numerical control cylindrical roller precision grinder according to claim 2, is characterized in that: described left flat centre device and right flat centre device include a flat centre respectively, and the tip end of two flat centres relatively and is positioned at same axis。
4. high precision numerical control cylindrical roller precision grinder according to claim 2, is characterized in that: X all electrically connects with digital control system to driving device and Y-direction driving device。
5. high precision numerical control cylindrical roller precision grinder according to claim 1, it is characterized in that: described feed mechanism includes riser, feeding cylinder, left hopper, material arm, rotary cylinder, right hopper and top support, riser is fixedly connected on described upper backup pad by base, the left surface and right flank of riser are correspondingly arranged on left hopper and right hopper respectively, material arm can be swung by the rotary cylinder connected on it between right hopper and the right flank of riser, material arm upper end is provided with the material pawl for capturing cylindrical roller, described top support is arranged corresponding to material pawl, in grinding process, the periphery of cylindrical roller it is supported on for cylindrical roller；Being provided through the material set of the hollow structure of riser left and right side on riser, feeding cylinder is caught by the material pawl swinging to this position after material set for promoting the cylindrical roller on left hopper。
6. high precision numerical control cylindrical roller precision grinder according to claim 1, it is characterized in that: described dresser includes two set diamond pen devices, often set diamond pen device all includes base, rotary disk, slide and the Buddha's warrior attendant penholder being provided with diamond pen, base is installed on lathe bed, diamond pen frame is arranged on slide, slide is fixedly connected on rotary disk upper surface, rotary disk is arranged on base and rotary disk can rotate on base, often the slide in set diamond pen device is respectively connected with for driving slide to the driving device A of feeding and to drive slide along the driving device B of Y-direction feeding along X。
7. high precision numerical control cylindrical roller precision grinder according to claim 6, is characterized in that: be each equipped with the grating feedback device that accuracy of detection is 0.1um on described driving device A and driving device B。
8. the high precision numerical control cylindrical roller precision grinder according to claim 6 or 7, is characterized in that: described driving device A and driving device B is electrically connected to digital control system。
9. high precision numerical control cylindrical roller precision grinder according to claim 1, is characterized in that: described measuring mechanism comprises measurement bracket, push-and-pull cylinder, measures head；Right angle setting one push-and-pull cylinder in measurement bracket, the push-pull bar of push-and-pull cylinder is connected with measuring the fixing plate of head, measure and the fixing plate of head is provided with measurement head, measure head and support corresponding to described flat centre, for measuring the change in size of the cylindrical roller detected in the course of processing in top support。
10. high precision numerical control cylindrical roller precision grinder according to claim 9, is characterized in that: measures and is provided with, on head, the real-time data transmission system being connected with digital control system。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610174699.2A CN105690192A (en) | 2016-03-25 | 2016-03-25 | High-precision numerical control cylindrical roller grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610174699.2A CN105690192A (en) | 2016-03-25 | 2016-03-25 | High-precision numerical control cylindrical roller grinding machine |
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| CN105690192A true CN105690192A (en) | 2016-06-22 |
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| CN201610174699.2A Pending CN105690192A (en) | 2016-03-25 | 2016-03-25 | High-precision numerical control cylindrical roller grinding machine |
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| CN107186556A (en) * | 2017-07-21 | 2017-09-22 | 东莞市安源新能源有限公司 | A kind of shaft-like product sanding apparatus |
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| CN110000661A (en) * | 2019-05-22 | 2019-07-12 | 湖南美蓓达科技股份有限公司 | Bearing internal external circle raceway and inner ring internal diameter equipment for grinding |
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| CN114147598A (en) * | 2021-11-30 | 2022-03-08 | 清研精密轴承研究院(洛阳)有限公司 | Roller supporting device of stepping type multi-station centerless roller cylindrical grinding machine |
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Application publication date: 20160622 |