CN211760465U - Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure - Google Patents

Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure Download PDF

Info

Publication number
CN211760465U
CN211760465U CN201922393341.0U CN201922393341U CN211760465U CN 211760465 U CN211760465 U CN 211760465U CN 201922393341 U CN201922393341 U CN 201922393341U CN 211760465 U CN211760465 U CN 211760465U
Authority
CN
China
Prior art keywords
grinding
workpiece
double
unit
column structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922393341.0U
Other languages
Chinese (zh)
Inventor
张进兴
张育玮
林保全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Grind Tec Precision Co ltd
Original Assignee
Nanjing Grind Tec Precision Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Grind Tec Precision Co ltd filed Critical Nanjing Grind Tec Precision Co ltd
Priority to CN201922393341.0U priority Critical patent/CN211760465U/en
Application granted granted Critical
Publication of CN211760465U publication Critical patent/CN211760465U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The utility model relates to an use adjustable bistrique processing grinding machine of multi-angle of double-column structure belongs to grinding machine processing equipment field. Guide rail units are respectively arranged on two sides of a workpiece processing seat unit of the multi-angle adjustable grinding head processing grinding machine with the double-upright-column structure, sliding units capable of independently sliding are arranged on the guide rail units, grinding units capable of independently moving are arranged on the sliding units, and the grinding units are positioned above the workpiece processing seat unit; the workpiece processing seat unit is provided with a processing workpiece and drives the workpiece to slide in a reciprocating manner along the extension direction of the workpiece processing seat unit. The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the grinding unit of accessible adjustment double-column structure grinds indent, the inslot slot line rail of length, short, height, low width, narrow, dovetail all kinds to reach the processing index.

Description

Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure
Technical Field
The utility model relates to an use adjustable bistrique processing grinding machine of multi-angle of double-column structure belongs to grinding machine processing equipment field.
Background
A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at high speed, and a few grinding machines perform grinding using a free abrasive and other grindstones such as oilstone and abrasive belt.
The linear rail and the slide block belong to high-precision machine tool equipment, the machining precision of the machine tool and the grinding precision of the linear rail and the slide block are inseparable, and the precision unit of the linear rail and the slide block is mu. The existing grinding machine has two ways of processing a linear rail and a slide block. The grinding machine adopts a portal frame structure to integrate grinding units, the grinding units are a single group of grinding wheels, when the linear rail and the sliding block are ground, grinding is firstly carried out from one side of the linear rail and the sliding block, and then the linear rail and the sliding block are moved to the other side after grinding is finished. Because the grinding unit has heavier self weight and adopts a suspension mode to be matched with a portal frame structure for operation, the gravity center shift can not maintain the grinding angle for a long time. And the inner space of the linear rail is small, and the grinding angle deviation generates great deviation on the precision of the linear rail and the two side rails of the sliding block, so that the yield of the linear rail and the sliding block is reduced.
Secondly, the grinding machine adopts the single armed structure to support the grinding unit, and is unanimous with the shortcoming of the grinding machine of portal frame structure, also can cause the focus skew to can't maintain the problem of grinding the angle, finally leads to the orbital precision in both sides of to linear rail, slider to produce great deviation, and linear rail, slider are directly fallen as the substandard product.
The diameter of the grinding wheel adopted by the two modes is small, the grinding wheel needs to be replaced after being ground for multiple times, and the processing efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an use adjustable bistrique of multi-angle of double-column structure to above-mentioned problem and process the grinding machine.
The utility model adopts the following technical scheme:
the utility model discloses an adjustable bistrique processing grinding machine of multi-angle of applied double-column structure, the grinding machine include the guide rail unit, the slip unit, grind the unit, the work piece processing seat unit; guide rail units are respectively arranged on two sides of the workpiece processing seat unit, sliding units capable of independently sliding are arranged on the guide rail units, grinding units capable of independently moving are arranged on the sliding units, and the grinding units are positioned above the workpiece processing seat unit; the workpiece processing seat unit is provided with a workpiece and drives the workpiece to slide in a reciprocating manner along the extension direction of the workpiece processing seat unit;
under the grinding working condition, an included angle is formed between the center vertical line of the grinding unit and the horizontal plane of the horizontal ground or the center vertical line of the grinding unit is perpendicular to the horizontal plane of the horizontal ground, so that the grinding unit is in an inclined posture or a vertical posture, and the workpiece processing seat unit drives the workpiece to repeatedly enter the grinding unit in the inclined posture or the vertical posture for grinding.
The utility model discloses an adjustable bistrique processing grinding machine of multi-angle of using double-column structure, the guide rail unit include guide rail seat, guide rail; the two guide rail seats are provided, and the upper end surfaces of the two guide rail seats are provided with guide rails parallel to the horizontal ground.
The utility model discloses an adjustable bistrique processing grinding machine of multi-angle of using double-column structure, the slip unit include the stand, the slide rail; the two upright posts are respectively arranged on two guide rails in the guide rail unit and slide along the extension direction of the guide rails; the side edges of the two upright posts are oppositely provided with slide rails; the slide rail is vertical to the guide rail, and the grinding units are respectively arranged on the slide rail; two upright posts in the sliding unit form a double-upright-post structure.
The utility model discloses an use multi-angle adjustable bistrique processing grinding machine of double-column structure, grinding unit include headstock, grind main shaft, emery wheel motor; the headstock is vertically arranged on the guide rail and moves up and down along the extension direction of the slide rail; the headstock is provided with an installation part mutually hinged with the shaft body part of the grinding main shaft, one end of the shaft body part of the grinding main shaft is provided with a grinding wheel, and the other end of the shaft body of the grinding main shaft is provided with a grinding wheel motor for driving the grinding wheel to rotate; the grinding wheel is positioned close to the workpiece; a driving device for driving the grinding spindle to rotate is arranged on one side of the mounting part of the head seat; the upright post is provided with a driving device for driving the headstock to move up and down.
The utility model discloses an applied multi-angle adjustable bistrique processing grinding machine of double-column structure, work piece processing seat unit include the base, the workstation, the auxiliary table; the base on set up reciprocating motion's workstation, the up end of workstation is equipped with auxiliary work platform, auxiliary work platform is used for fixed work piece.
Use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the preceding tip of marcing that is located the workstation be equipped with the trimming part that is used for maintaining the emery wheel.
The utility model discloses an application double-column structure's adjustable bistrique of multi-angle processing grinding machine, the portion of repairing include the roller of repairing and drive the roller of repairing and rotate the motor, should repair the number of the roller and match the number of emery wheels; the radial direction of the trimming roller is parallel to the horizontal ground; the trimming rollers are sequentially arranged in a straight line; and trimming the peripheral surface of the grinding wheel into a shape matched with the profile through the shape of the peripheral surface of the trimming roller.
Use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the work piece is spill work piece or convex work piece.
The utility model discloses an use multi-angle adjustable bistrique processing grinding machine of double-column structure, process the spill work piece under grinding the operating mode, its two grinding main shafts become the inclined attitude and make both sides emery wheel become the alternately gesture of mutual dislocation, grind into raceway or dovetail raceway through the outer circumferential surface that has the profile of emery wheel to two inside walls of spill work piece in step;
processing a convex workpiece under a grinding working condition, wherein two grinding main shafts of the convex workpiece are inclined to enable grinding wheels on two sides to be in inverted eight-shaped postures staggered with each other, and the grinding wheels are synchronously ground into a raceway or a dovetail raceway by facing two outer side walls of the convex workpiece through outer circumferences with profiles of the grinding wheels;
the convex workpiece is processed under the grinding working condition, the grinding wheels on two sides are in a horizontal posture of mutual dislocation or relative arrangement by the two grinding main shafts, and the outer circumference surface with the profile of the grinding wheel faces the two outer side walls of the convex workpiece to be synchronously ground into a raceway or a dovetail-shaped raceway.
Use adjustable bistrique processing grinding machine of multi-angle of double-column structure, drive arrangement be driving motor or cylinder.
Advantageous effects
The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the grinding unit of accessible adjustment double-column structure grinds indent, the inslot slot line rail of length, short, height, low width, narrow, dovetail all kinds to reach the processing index.
The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the grinding unit of accessible adjustment double-column structure can once accomplish the grinding to the linear rail, reduces the processing number of times that single ground, has increased the grinding effect, has improved the geometric accuracy again greatly.
The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the double-column structure of adoption improves overall structure's rigidity and stability when grinding the unit and remove, has also increased the precision when grinding, has improved the quality of line rail.
The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure, the independent double-column structure separately of adoption conveniently carries out precision calibration and later maintenance, has increased the practicality.
Drawings
FIG. 1 is a schematic diagram of a grinding machine of a gantry construction used in the prior art;
FIG. 2 is a schematic diagram of a grinding machine with a single side arm configuration as used in the prior art;
fig. 3 is a schematic view of the overall structure of the present invention;
fig. 4 is a schematic diagram of a moving state of the single-sided structure of the present invention;
fig. 5 is a schematic view of the base structure of the present invention;
FIG. 6 is a schematic view of the grinding attitude of the present invention;
FIG. 7 is a schematic view of the processing attitude of the female dovetail groove of the present invention;
fig. 8 is a schematic view of the processing attitude of the male dovetail groove of the present invention.
In the figure, 1 is a guide rail unit, 2 is a slide unit, 3 is a grinding unit, 4 is a workpiece machining seat unit, 11 is a guide rail seat, 12 is a guide rail, 21 is a column, 22 is a slide rail, 31 is a head seat, 32 is a grinding spindle, 33 is a grinding wheel, 34 is a grinding wheel motor, 35 is a mounting portion, 41 is a base, 42 is a table, 43 is an auxiliary table, 5 is a workpiece,
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solution of the embodiments of the present invention by combining the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
As shown in fig. 3: the multi-angle adjustable grinding head machining grinder with the double-upright-column structure adopts a structure that a guide rail unit 1, a sliding unit 2, a grinding unit 3 and a workpiece machining seat unit 4 are matched with each other to perform integral action; guide rail units 1 are respectively arranged on two sides of a workpiece processing seat unit 4, a sliding unit 2 capable of independently sliding is arranged on each guide rail unit 1, a grinding unit 3 capable of independently moving is arranged on each sliding unit 2, a workpiece is arranged on each workpiece processing seat unit 4, and each grinding unit 3 is positioned above each workpiece processing seat unit 4; the workpiece machining seat unit 4 drives the machining to slide back and forth along the extending direction of the workpiece machining seat unit 4. As can be seen from the schematic structure shown in fig. 4 or 5, under the grinding condition, an included angle is formed between the center perpendicular line of the grinding unit and the horizontal plane of the horizontal ground or the center perpendicular line of the grinding unit is perpendicular to the horizontal plane of the horizontal ground, the grinding unit is in an inclined posture or a vertical posture, the posture ensures that the edge part of the grinding wheel in the grinding unit enters the workpiece to be ground, and the structure adopts the grinding wheel with a large diameter, so that the frequency of replacing the grinding wheel is reduced, and the processing efficiency is improved.
As shown in fig. 4 or 5: a table 42 capable of reciprocating is provided on a base 41 in the workpiece machining seat unit, and an auxiliary table 43 is provided on an upper end surface of the table 42, and the auxiliary table 43 is used for fixing the workpiece 5. The work piece adopts magnetic chuck to fix on auxiliary workbench 43 generally, has guaranteed the stability of work piece when the motion. A dressing portion 6 for dressing the grinding wheel is provided at the forward end portion of the travel of the table. The number of dressing rollers 61 in the dressing section matches the number of grinding wheels 33; the radial direction of the dressing roller 61 is parallel to the horizontal ground; the trimming rollers are sequentially arranged in a straight line; the peripheral surface of the grinding wheel 33 is dressed to a contour-matching shape by the shape of the outer peripheral surface of the dressing roller 61. The dressing roller 61 in the dressing part 6 and the auxiliary worktable 43 move synchronously, the grinding wheel 33 moves to dressing, the dressed grinding wheel 33 enters the workpiece 5 to form a set of complete dressing and grinding processes, and the dressing process can be carried out during each grinding process, so that the precision of each grinding process can be controlled.
As shown in fig. 5: a grinding machine with a multi-angle adjustable grinding head and a double-column structure is applied, two guide rail seats 11 are arranged in a guide rail unit 1, and guide rails 12 parallel to the horizontal ground are arranged on the upper end faces of the two guide rail seats 11. Two upright posts 21 in the sliding unit 2 bag are respectively arranged on the two guide rails 12, and the upright posts 21 slide along the extension direction of the guide rails; the side edges of the two upright posts 21 are oppositely provided with slide rails 22; the slide rail 22 is perpendicular to the guide rail 12 and the grinding units are respectively arranged on the slide rail; two upright posts in the sliding unit form a double-upright-post structure. The guide rail 12 ensures the stability and accuracy of the movement of the upright.
As shown in fig. 6: the grinding unit is an important processing unit in the mechanism, wherein the headstock 31 is vertically arranged on the guide rail, the headstock 31 is in an L shape from the structure, the frame arm structure extending outwards is used for supporting the grinding spindle 32, and the headstock 31 moves up and down along the extending direction of the slide rail 22; the headstock is provided with an installation part 35 which is mutually hinged with the shaft body part of the grinding main shaft, one end of the shaft body part of the grinding main shaft 32 is provided with a grinding wheel 33, and the other end of the shaft body part of the grinding main shaft is provided with a grinding wheel motor 34 which drives the grinding wheel 33 to rotate; the grinding wheel 33 is positioned close to the workpiece, and a driving device for driving the grinding spindle to rotate is arranged on one side of the mounting part 35 of the headstock 31; the upright post is provided with a driving motor or a driving cylinder for driving the headstock to move up and down.
As shown in fig. 7 and 8: can adopt the emery wheel of different appearances to grind like spill work piece or convex work piece to different work pieces 6, the utility model lists following processing example:
1. when a concave workpiece is processed, two grinding spindles of the grinding machine are in an inclined posture, so that grinding wheels on two sides are in a staggered crossed posture, the grinding wheels are generally in staggered arrangement from front to back, the two grinding wheels do not interfere with each other, and the grinding wheels are synchronously ground into a raceway or a dovetail-shaped raceway by facing the two inner side walls of the concave workpiece through the outer circumference surface with the profile of the grinding wheels; the shape of the outer profile of the grinding wheel has been given in figure 8 for a specific grinding dovetail race.
2. When a convex workpiece is machined, two grinding spindles of the grinding machine are in inclined postures, grinding wheels on two sides are in inverted eight-shaped postures, and the grinding wheels can be arranged in a front-back staggered mode or in a mode of keeping straight line consistency relatively; the outer circumference surface with the profile of the grinding wheel faces two outer side walls of the convex workpiece and are synchronously ground into a raceway or a dovetail-shaped raceway;
3. another way to machine the convex workpiece is to use two grinding spindles to make the grinding wheels on two sides in a horizontal posture of mutual dislocation or relative arrangement, and to synchronously grind the two outer side walls of the convex workpiece to form a raceway or dovetail raceway by the outer circumference surface with the profile of the grinding wheel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an use adjustable bistrique processing grinding machine of multi-angle of double-column structure which characterized in that: the grinding machine comprises a guide rail unit, a sliding unit, a grinding unit and a workpiece processing seat unit; guide rail units are respectively arranged on two sides of the workpiece processing seat unit, sliding units capable of independently sliding are arranged on the guide rail units, grinding units capable of independently moving are arranged on the sliding units, and the grinding units are positioned above the workpiece processing seat unit; the workpiece processing seat unit is provided with a workpiece and drives the workpiece to slide in a reciprocating manner along the extension direction of the workpiece processing seat unit;
under the grinding working condition, an included angle is formed between the center vertical line of the grinding unit and the horizontal plane of the horizontal ground or the center vertical line of the grinding unit is perpendicular to the horizontal plane of the horizontal ground, so that the grinding unit is in an inclined posture or a vertical posture, and the workpiece processing seat unit drives the workpiece to repeatedly enter the grinding unit in the inclined posture or the vertical posture for grinding.
2. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 1, wherein: the guide rail unit comprises a guide rail seat and a guide rail; the two guide rail seats are provided, and the upper end surfaces of the two guide rail seats are provided with guide rails parallel to the horizontal ground.
3. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 1 or 2, wherein: the sliding unit comprises an upright post and a sliding rail; the two upright posts are respectively arranged on two guide rails in the guide rail unit and slide along the extension direction of the guide rails; the side edges of the two upright posts are oppositely provided with slide rails; the slide rail is vertical to the guide rail, and the grinding units are respectively arranged on the slide rail; two upright posts in the sliding unit form a double-upright-post structure.
4. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 3, wherein: the grinding unit comprises a headstock, a grinding spindle, a grinding wheel and a grinding wheel motor; the headstock is vertically arranged on the guide rail and moves up and down along the extension direction of the slide rail; the headstock is provided with an installation part mutually hinged with the shaft body part of the grinding main shaft, one end of the shaft body part of the grinding main shaft is provided with a grinding wheel, and the other end of the shaft body of the grinding main shaft is provided with a grinding wheel motor for driving the grinding wheel to rotate; the grinding wheel is positioned close to the workpiece; a driving device for driving the grinding spindle to rotate is arranged on one side of the mounting part of the head seat; the upright post is provided with a driving device for driving the headstock to move up and down.
5. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 1, wherein: the workpiece processing seat unit comprises a base, a workbench and an auxiliary workbench; the base on set up reciprocating motion's workstation, the up end of workstation is equipped with auxiliary work platform, auxiliary work platform is used for fixed work piece.
6. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 5, wherein: and a dressing part for dressing the grinding wheel is arranged at the front end part of the workbench, which is positioned in the advancing direction.
7. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 6, wherein: the trimming part comprises a trimming roller and a motor for driving the trimming roller to rotate, and the number of the trimming rollers is matched with that of the grinding wheels; the radial direction of the trimming roller is parallel to the horizontal ground; the trimming rollers are sequentially arranged in a straight line; and trimming the peripheral surface of the grinding wheel into a shape matched with the profile through the shape of the peripheral surface of the trimming roller.
8. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 1, wherein: the workpiece is a concave workpiece or a convex workpiece.
9. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 4 or 8, wherein: processing a concave workpiece under a grinding working condition, wherein two grinding main shafts of the concave workpiece are in inclined postures to enable grinding wheels on two sides to be in staggered crossed postures, and the grinding wheels are synchronously ground into a raceway or a dovetail-shaped raceway by facing two inner side walls of the concave workpiece through the outer circumference surface with the profile of the grinding wheels;
processing a convex workpiece under a grinding working condition, wherein two grinding main shafts of the convex workpiece are inclined to enable grinding wheels on two sides to be in inverted eight-shaped postures staggered with each other, and the grinding wheels are synchronously ground into a raceway or a dovetail raceway by facing two outer side walls of the convex workpiece through outer circumferences with profiles of the grinding wheels;
the convex workpiece is processed under the grinding working condition, the grinding wheels on two sides are in a horizontal posture of mutual dislocation or relative arrangement by the two grinding main shafts, and the outer circumference surface with the profile of the grinding wheel faces the two outer side walls of the convex workpiece to be synchronously ground into a raceway or a dovetail-shaped raceway.
10. The multi-angle adjustable grinding head machining grinding machine with the double-column structure as claimed in claim 4, wherein: the driving device is a driving motor or an air cylinder.
CN201922393341.0U 2019-12-27 2019-12-27 Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure Active CN211760465U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922393341.0U CN211760465U (en) 2019-12-27 2019-12-27 Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922393341.0U CN211760465U (en) 2019-12-27 2019-12-27 Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure

Publications (1)

Publication Number Publication Date
CN211760465U true CN211760465U (en) 2020-10-27

Family

ID=72979650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922393341.0U Active CN211760465U (en) 2019-12-27 2019-12-27 Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure

Country Status (1)

Country Link
CN (1) CN211760465U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977423A (en) * 2021-10-18 2022-01-28 德清勤龙磨床制造有限公司 Numerical control vertical double-grinding head multifunctional grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977423A (en) * 2021-10-18 2022-01-28 德清勤龙磨床制造有限公司 Numerical control vertical double-grinding head multifunctional grinding machine

Similar Documents

Publication Publication Date Title
CN106112752B (en) Suitable for the sbrasive belt grinding center of blisk holotype face polishing processing
CN102161159B (en) Vertical-horizontal combined machining centre
US4274231A (en) Method and apparatus for dressing a grinding wheel
CN201970090U (en) Vertical-horizontal combined machining center
CN107363691B (en) Method for realizing simultaneous grinding of two end faces of self-made grinding machine
CN215966728U (en) Gear machining machine tool
CN104275632B (en) Thrust ball bearing ring face raceway groove method for grinding and its device
CN107972393A (en) Numerical control, which is crouched, grinds cold carving machine
CN201872026U (en) Double-grinding-head thermal extension noncontact measuring mechanism of guide rail shaping grinding machine
CN107020551B (en) A kind of blade grinding machine
CN114290145A (en) Special grinding machine for grinding spindle sleeve with double center frames
CN211760465U (en) Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure
CN214080731U (en) High-precision grinding machine for machining 90-degree V-shaped roller path of inner ring and outer ring of bearing of harmonic speed reducer
CN205147499U (en) High -efficient accurate rack grinding machine of numerical control
CN205600473U (en) Numerical control hole external tooth grinding machine
CN202207953U (en) Sapphire grinding machine
CN207189334U (en) A kind of high-precision inside and outside circle integral type grinding machine
CN112589571A (en) V-shaped guide rail rack machining equipment
CN209036212U (en) Special-shaped small precision part grinding device
CN208557028U (en) Multistation contact calibrating machine
CN206869559U (en) A kind of blade grinding machine
CN202180409U (en) Numerical-control grinding machine
CN211760511U (en) Universal full-automatic three-shaft grinding machine with double channels and double rolling ways for hub unit
CN212794504U (en) Multi-station spherical roller outer diameter super-fine grinder
CN211615087U (en) High-precision center hole grinding machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant