CN105666247B - The perpendicularity correction accessory part and method of the fluctuating orbit of lathe - Google Patents
The perpendicularity correction accessory part and method of the fluctuating orbit of lathe Download PDFInfo
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- CN105666247B CN105666247B CN201610225092.2A CN201610225092A CN105666247B CN 105666247 B CN105666247 B CN 105666247B CN 201610225092 A CN201610225092 A CN 201610225092A CN 105666247 B CN105666247 B CN 105666247B
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- flat board
- amesdial
- lathe
- benchmark flat
- top surface
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- 238000012937 correction Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 19
- 239000000729 antidote Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention discloses the perpendicularity correction accessory part and method of a kind of fluctuating orbit of lathe.Wherein, disclosed accessory part includes benchmark flat board (100), amesdial (500) and square chi (600)；Wherein：Benchmark flat board (100) is used for the workbench (300) for being positioned over lathe, and the bottom of benchmark flat board (100) is provided with least three coplanar levelling regulation jackscrews (110) and is in horizontal plane for the top surface of regulation benchmark flat board (100)；Square chi (600) is positioned over the top surface of benchmark flat board (100)；Amesdial (500) is fixed on the moving parts (200) of lathe, the probe of amesdial (500) is used to contact square chi (600) and the perpendicular side of benchmark flat board (100), to be lifted with moving parts (200), probe is perpendicular with side.Such scheme can solve the problems, such as that detection caused by precision testing device is expensive and correction cost are higher.
Description
Technical field
The present invention relates to the perpendicularity correction in machine tool accuracy correcting technology field, more particularly to a kind of fluctuating orbit of lathe
With accessory part and method.
Background technology
With manufacturing development, the accuracy of manufacture of product also more and more higher, therefore, manufacturer sets to manufacture product
Standby required precision more and more higher.Lathe is more commonly used process equipment, the precision of lathe for the precision of product extremely
Close important.
In order to ensure the precision of lathe, manufacturer needs to enter the fluctuating orbit of lathe compared to the perpendicularity of horizontal plane
Row is detected and corrected.Laser interferometer is to realize the visual plant of above-mentioned measuring for verticality at present.Laser interferometer due to
Its accuracy of detection is higher and is extensively favored by client.It is not high for required precision but the price of laser interferometer is costly
Lathe detection use laser interferometer then make it that whole testing cost is higher.It is it can be seen that less demanding in some accuracy of detection
Scene in, how to solve the problems, such as that detection caused by precision testing device is expensive and correction cost are higher, be
Those skilled in the art's technical problem urgently to be resolved hurrily at present.
The content of the invention
The present invention discloses a kind of moving parts perpendicularity correction accessory part of lathe, to solve because accuracy detection is set
It is standby it is expensive caused by lathe fluctuating orbit measuring for verticality with respect to the horizontal plane and higher correction cost the problem of.
In order to solve the above technical problems, the present invention is disclosed directly below technical scheme：
The perpendicularity correction accessory part of the fluctuating orbit of lathe, the fluctuating orbit phase for lathe described in correcting
For the perpendicularity of horizontal plane, including benchmark flat board, amesdial and square chi；Wherein：
The benchmark flat board is used to being positioned over the workbench of the lathe, and the bottom of the benchmark flat board be provided with to
Few three coplanar levelling regulation jackscrews are in horizontal plane for adjusting the top surface of the benchmark flat board；
The square chi is positioned over the top surface of the benchmark flat board；
The amesdial is fixed on the moving parts of the lathe, the probe of the amesdial be used to contacting the square chi with
The perpendicular side of the benchmark flat board, to be lifted with the moving parts along the fluctuating orbit, the probe and the side
Face is perpendicular.
Preferably, in above-mentioned accessory part, the quantity of the levelling regulation jackscrew is three, three levelling regulation tops
Silk is distributed in three summits of equilateral triangle respectively.
Preferably, in above-mentioned accessory part, the benchmark flat board is provided with hanging hole.
Preferably, in above-mentioned accessory part, the amesdial is fixed on the moving parts by magnet base.
Preferably, in above-mentioned accessory part, the amesdial is connected by connecting rod with the magnet base.
The perpendicularity antidote of the fluctuating orbit of lathe, using the fluctuating orbit of the lathe described in as above any one
Perpendicularity correction realizes that described antidote comprises the following steps with accessory part：
61) the levelling regulation jackscrew is adjusted to ensure that the top surface of the benchmark flat board is in horizontal plane；And by described in
Square chi is positioned over the top surface of the benchmark flat board；
62) amesdial is fixed on the moving parts of the lathe with ensure the probe of the amesdial perpendicular to
The square chi and the perpendicular side of the benchmark flat board, and with the contacts side surfaces；
63) manipulate moving parts lifting, and judge the moving parts lift during the amesdial
Whether pointer meaning registration changes, if so, then entering step 54)；
64) refer to during the fluctuating orbit of the adjustment lathe is to ensure the amesdial relative to square chi movement
Pin meaning registration is constant.
Preferably, in above-mentioned antidote, step 61) includes：
71) frame level is positioned over to the top surface of the benchmark flat board；
72) described in when being in different placement directions by adjusting the levelling regulation jackscrew with the frame level
The top surface of benchmark flat board is in horizontal plane.
The perpendicularity correction of the fluctuating orbit of lathe disclosed by the invention is had the advantages that with accessory part：
Benchmark flat board when in use, is positioned on the workbench of lathe by accessory part disclosed by the invention first, regulation
Levelling regulation jackscrew causes the top surface of benchmark flat board to be in horizontal plane, square chi is then positioned over to the top surface of benchmark flat board, so
Amesdial is fixed on to the moving parts of lathe afterwards so that probe contact square chi and the perpendicular side of benchmark flat board of amesdial
Face.Because amesdial is fixed on the moving parts of lathe, therefore amesdial can lift with moving parts along fluctuating orbit, accordingly
The probe of amesdial can slide along the side of square chi.Because the top surface of benchmark flat board is in horizontal plane, square chi is standard component, square chi
The surface of side and benchmark flat board there is preferable perpendicularity.Therefore during amesdial moves, the probe of amesdial
The pointer meaning registration of amesdial changes during slip, then illustrates the perpendicularity that the fluctuating orbit of lifting is provided for moving parts
Need to correct, operating personnel can change according to the registration of amesdial to adjust the fluctuating orbit of lathe.Relative to background technology
For, accessory part disclosed by the invention uses benchmark flat board, amesdial and square chi, and these more conventional instruments are compared to sharp
Optical interferometer price is relatively low.It can be seen that aid disclosed by the invention can solve to be led by precision testing device is expensive
The problem of measuring for verticality and higher correction cost of the fluctuating orbit of cause.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly or in background technology, below will be to embodiment or the back of the body
The required accompanying drawing used is briefly described in the description of scape technology, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of benchmark flat board disclosed in the embodiment of the present invention；
Fig. 2 and Fig. 3 is the schematic diagram of benchmark flat board leveling；
Fig. 4 is the work signal of the perpendicularity correction accessory part of the fluctuating orbit of lathe disclosed in the embodiment of the present invention
Figure；
Fig. 5 is Fig. 4 part-structure schematic diagram；
Fig. 6 is the schematic flow sheet of the perpendicularity antidote of the fluctuating orbit of lathe disclosed in the embodiment of the present invention.
Description of reference numerals：
The levelling regulation jackscrew of 100- benchmark flat board, 110-, 120- hanging holes, 200- moving parts, 300- workbench, 400- magnetic
Power seat, 500- amesdials, 600- square chi, 700- connecting rods, 800- fluctuating orbits, 900- frame levels.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
Fig. 1-5 are refer to, the embodiment of the present invention discloses a kind of perpendicularity correction accessory part of fluctuating orbit of lathe,
The perpendicularity of fluctuating orbit 800 with respect to the horizontal plane for correcting lathe.Disclosed accessory part is put down including benchmark
Plate 100, amesdial 500 and square chi 600.
Wherein, benchmark flat board 100 is used to being positioned over the workbench 300 of lathe, and the design size of benchmark flat board 100 can be with
It is adjusted according to the size of workbench 300.In the application, the bottom of benchmark flat board 100 is provided with least three and coplanar looked for
Heibei provincial opera section jackscrew 110, turn-knob depth of at least three coplanar levelling regulation jackscrews 110 in the screwed hole of benchmark flat board 100
The top surface of benchmark flat board 100 can be adjusted.The top surface that at least three levelling regulation jackscrews 110 are used to adjust benchmark flat board 100 is in
In horizontal plane.As shown in Figures 2 and 3, during leveling, generally realized by frame level 900, operating personnel can be
Leveling is implemented to the top surface of benchmark flat board 100 respectively when frame level 900 is in different placement directions, for example, frame water
Level 900 differs 90 ° in the placement direction shown in Fig. 2 with the placement direction shown in Fig. 3.
As shown in figure 1, a kind of specific embodiment is：The quantity of levelling regulation jackscrew 110 is three.Preferably, three
Individual levelling regulation jackscrew 110 is distributed in the bottom of benchmark flat board 100 in equilateral triangle, i.e., three levelling regulation jackscrews 110 are distinguished
Three summits of equilateral triangle are distributed in, as shown in Figure 1.
Benchmark flat board 100 may produce larger deformation during storage, and then can influence benchmark flat board 100 and push up
The flatness in face, eventually influence its normal work.Therefore, preferable, benchmark flat board 100 is provided with hanging hole 120, such as Fig. 1 institutes
Show.Hanging hole 120 can realize that benchmark flat board 100 is in suspension status when stored, and then can reduce benchmark flat board 100 as much as possible
Deformation caused by storage.
Square chi 600 is positioned over the top surface of benchmark flat board 100, and square chi 600 is standard component, at the top surface of benchmark flat board 100
In in horizontal plane, square chi 600 then has the side perpendicular with benchmark flat board 100.
Amesdial 500 is generally fixed on the moving parts 200 of lathe by magnet base 400, can exist with moving parts 200
The fluctuating orbit 800 of lathe lifts.The probe of amesdial 500 connects for the side perpendicular with benchmark flat board 100 with square chi 600
Touch, and it is perpendicular.Amesdial 500 can lift with moving parts 200 so that cause the probe of amesdial 500 along square chi 600 with
Slide its perpendicular side.
Referring again to Fig. 4, amesdial 500 can be connected by connecting rod 700 with magnet base 400, specifically, connecting rod
700 are fixed on magnet base 400, and amesdial 500 is located in connecting rod 700, can be adjusted by driving amesdial 500 to slide
Save its position in connecting rod 700.
The perpendicularity correction of the fluctuating orbit of lathe disclosed by the invention is had the advantages that with accessory part：
Benchmark flat board 100 when in use, is positioned over the workbench 300 of lathe by accessory part disclosed by the invention first
On, adjust levelling regulation jackscrew 110 and the top surface of benchmark flat board 100 is in horizontal plane, square chi 600 is then positioned over base
The top surface of quasi- flat board 100, then amesdial 500 is fixed on to the moving parts 200 of lathe so that the probe of amesdial 500 connects
Touch square chi 600 and the perpendicular side of benchmark flat board 100.Because amesdial 500 is fixed on the moving parts 200 of lathe, therefore
Amesdial 500 can lift with moving parts 200 along fluctuating orbit 800, and the probe of corresponding amesdial 500 can be along square chi 600
Slide side.Because the top surface of benchmark flat board 100 is in horizontal plane, square chi 600 is standard component, the side of square chi 600 and benchmark
The surface of flat board 100 has preferable perpendicularity.Therefore during amesdial 500 lifts, the probe of amesdial 500 slides
When amesdial 500 pointer meaning registration change, then explanation provides the fluctuating orbit 800 of lifting for moving parts 200
Perpendicularity needs to correct, and operating personnel can change according to the registration of amesdial 500 to adjust the fluctuating orbit 800 of lathe.
For background technology, accessory part disclosed in the embodiment of the present invention is using benchmark flat board 100, amesdial
500 and square chi 600, these more conventional instruments it is relatively low compared to laser interferometer price.It can be seen that auxiliary disclosed by the invention
Instrument can solve the measuring for verticality of the fluctuating orbit caused by precision testing device is expensive and correction cost is higher
The problem of.
The perpendicularity correction accessory part of fluctuating orbit based on lathe disclosed in the embodiment of the present invention, the present invention are implemented
A kind of perpendicularity antidote of the fluctuating orbit of lathe is also disclosed in example.It refer to Fig. 6, disclosed antidote, including with
Lower step：
S100, leveling benchmark flat board top surface.
In this step, ensure that the top surface of benchmark flat board 100 is in horizontal plane by adjusting levelling regulation jackscrew 110,
Realize the leveling of the top surface of benchmark flat board 100.
In the present embodiment, the top surface of leveling benchmark flat board 100 preferably may comprise steps of：
Step A：Frame level 900 is positioned over to the top surface of benchmark flat board 100.
Step B：Base when being in different placement directions by adjusting levelling regulation jackscrew 110 with frame level 900
The top surface of quasi- flat board 100 is in horizontal plane.
Ensure it in benchmark 100 different placement directions of flat board pair by frame level 900 in above-mentioned preferable scheme
The top surface implementation of benchmark flat board 100 is levelling, can improve levelling effect., can be by frame water during leveling such as Fig. 2 and 3
Level 900 rotates 90 ° and implements to implement Levelling operation to the top surface of benchmark flat board 100 respectively.
S200, the top surface that square chi is positioned over to benchmark flat board.
Square chi 600 is standard component, and by after the top surface leveling of benchmark flat board 100 in step S100, square chi 600 is positioned over benchmark
After on flat board 100, square chi 600 has the side perpendicular with benchmark flat board 100.
S300, amesdial is fixed on the moving parts of lathe to ensure the probe of amesdial perpendicular to square chi and benchmark
The perpendicular side of flat board, and with the contacts side surfaces.
S400, manipulation moving parts lifting.
S500, judge moving parts lifting during the pointer meaning registration of amesdial whether change.
Square chi 600 is positioned over the top surface of benchmark flat board 100 by step S200, because the top surface of benchmark flat board 100 is in water
Plane, square chi 600 are standard component, and the side of square chi 600 has preferable perpendicularity with the surface of benchmark flat board 100.Lathe
Moving parts 200, which lifts, can cause the probe of amesdial 500 and the contacts side surfaces of square chi 600 that relative slip occurs, if probe
Beat, then the pointer meaning registration of amesdial 500 can then change, then illustrate fluctuating orbit 800 relative to level
Deviation be present in the perpendicularity in face；If the pointer meaning registration of amesdial 500 does not change, illustrate fluctuating orbit 800
Perpendicularity meets the requirements.Therefore, in this step, operating personnel only need observe amesdial 500 pointer shown in registration whether
Change can then judge, when registration shown in the pointer of amesdial 500 changes, then into step S600.
S600, adjust lathe fluctuating orbit lifted relative to square chi with to ensure amesdial during showing shown in pointer
Number does not change.
The step is made adjustment when being and be according to step S500 judged result, and then the purpose corrected.Due to this
Antidote disclosed in inventive embodiments is corresponding with the accessory part disclosed in foregoing embodiments, therefore real using this method
The correction applied can equally reach the purpose for reducing detection and correction cost, then be repeated no more at this.
Herein, only emphasis describes difference with other schemes to each preferred scheme, as long as each preferred scheme
Do not conflict, can be combined, the embodiment formed after combination is also within category disclosed in this specification, it is contemplated that
Text is succinct, herein with regard to no longer individually being described to combining formed embodiment.
Described above is only the embodiment of the present invention, is made skilled artisans appreciate that or realizing this hair
It is bright.A variety of modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Described above is only the embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. the perpendicularity correction accessory part of the fluctuating orbit of lathe, the fluctuating orbit for lathe described in correcting
(800) perpendicularity with respect to the horizontal plane, it is characterised in that including benchmark flat board (100), amesdial (500) and square chi
(600)；Wherein：
Workbench (300) of the benchmark flat board (100) for being positioned over the lathe, and the benchmark flat board (100)
Bottom is provided with least three coplanar levelling regulation jackscrews (110) for adjusting at the top surface of the benchmark flat board (100)
In horizontal plane；
The square chi (600) is positioned over the top surface of the benchmark flat board (100)；
The amesdial (500) is fixed on the moving parts (200) of the lathe, and the probe of the amesdial (500) is used to connect
Touch the square chi (600) and the perpendicular side of the benchmark flat board (100), with the moving parts (200) along the liter
Track (800) lifting is dropped, and the probe and the side are perpendicular.
2. accessory part according to claim 1, it is characterised in that the quantity of the levelling regulation jackscrew (110) is three
Individual, three levelling regulation jackscrews (110) are distributed in three summits of equilateral triangle respectively.
3. accessory part according to claim 1, it is characterised in that the benchmark flat board (100) is provided with hanging hole
(120)。
4. according to accessory part described in any one in claim 1-3, it is characterised in that the amesdial (500) passes through magnetic
Power seat (400) is fixed on the moving parts (200).
5. accessory part according to claim 4, it is characterised in that the amesdial (500) by connecting rod (700) with
Magnet base (400) connection.
6. the perpendicularity antidote of the fluctuating orbit of lathe, it is characterised in that using described in any one in claim 1-5
The perpendicularity correction of fluctuating orbit of lathe realized with accessory part, it is characterised in that described antidote includes following
Step：
61) the levelling regulation jackscrew (110) is adjusted to ensure that the top surface of the benchmark flat board (100) is in horizontal plane；And
The square chi (600) is positioned over to the top surface of the benchmark flat board (100)；
62) amesdial (500) is fixed on the moving parts (200) of the lathe to ensure the amesdial (500)
Probe perpendicular to the square chi (600) and the perpendicular side of the benchmark flat board (100), and with the contacts side surfaces；
63) moving parts (200) lifting is manipulated, and judges the amesdial during the moving parts lifting
(500) whether pointer meaning registration changes, if so, then entering step 64)；
64) fluctuating orbit (800) of the lathe is adjusted to ensure that the amesdial (500) moves relative to the square chi (600)
Pointer meaning registration is constant in dynamic process.
7. antidote according to claim 6, it is characterised in that step 61) includes：
71) frame level (900) is positioned over to the top surface of the benchmark flat board (100)；
72) different placement directions are in the frame level (900) by adjusting the levelling regulation jackscrew (110)
The top surface of Shi Suoshu benchmark flat board (100) is in horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225092.2A CN105666247B (en) | 2016-04-12 | 2016-04-12 | The perpendicularity correction accessory part and method of the fluctuating orbit of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225092.2A CN105666247B (en) | 2016-04-12 | 2016-04-12 | The perpendicularity correction accessory part and method of the fluctuating orbit of lathe |
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| Publication Number | Publication Date |
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| CN105666247A CN105666247A (en) | 2016-06-15 |
| CN105666247B true CN105666247B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610225092.2A Expired - Fee Related CN105666247B (en) | 2016-04-12 | 2016-04-12 | The perpendicularity correction accessory part and method of the fluctuating orbit of lathe |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531271A (en) * | 2019-01-21 | 2019-03-29 | 莱芜钢铁集团有限公司 | A kind of auxiliary device and straightedge rule installation method for installing straightedge rule |
| CN110006322B (en) * | 2019-04-25 | 2024-01-30 | 中国工程物理研究院机械制造工艺研究所 | Device and method for detecting perpendicularity between two linear axes of machine tool |
| CN115351568A (en) * | 2022-08-30 | 2022-11-18 | 安徽朗轶工业自动化系统有限公司 | Drilling, tapping and milling processing technology and positioning device for motor base |
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| DE10015322A1 (en) * | 2000-03-28 | 2001-10-18 | Zoller Gmbh & Co Kg E | Method for adjusting the position of tool in tool holder in machine tool, where the tool is clamped using contraction of the holder after it has been heated |
| KR20030056283A (en) * | 2001-12-28 | 2003-07-04 | 대우종합기계 주식회사 | A Tool Position Measurement Device For Three Axis |
| CN101319868A (en) * | 2008-06-20 | 2008-12-10 | 苏州塞维拉上吴电梯轨道系统有限公司 | Testing apparatus for verticality of top face with end face of slide rail |
| CN201780094U (en) * | 2010-06-22 | 2011-03-30 | 嘉兴海盛电子有限公司 | Grinding disc flatness measurement instrument |
| CN205630144U (en) * | 2016-04-12 | 2016-10-12 | 莱芜钢铁集团有限公司 | Orbital straightness of hanging down of lift of lathe corrects and uses auxiliary assembly |
-
2016
- 2016-04-12 CN CN201610225092.2A patent/CN105666247B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015322A1 (en) * | 2000-03-28 | 2001-10-18 | Zoller Gmbh & Co Kg E | Method for adjusting the position of tool in tool holder in machine tool, where the tool is clamped using contraction of the holder after it has been heated |
| KR20030056283A (en) * | 2001-12-28 | 2003-07-04 | 대우종합기계 주식회사 | A Tool Position Measurement Device For Three Axis |
| CN101319868A (en) * | 2008-06-20 | 2008-12-10 | 苏州塞维拉上吴电梯轨道系统有限公司 | Testing apparatus for verticality of top face with end face of slide rail |
| CN201780094U (en) * | 2010-06-22 | 2011-03-30 | 嘉兴海盛电子有限公司 | Grinding disc flatness measurement instrument |
| CN205630144U (en) * | 2016-04-12 | 2016-10-12 | 莱芜钢铁集团有限公司 | Orbital straightness of hanging down of lift of lathe corrects and uses auxiliary assembly |
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| CN105666247A (en) | 2016-06-15 |
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