WO2013020373A1 - 内螺纹千分尺 - Google Patents
内螺纹千分尺 Download PDFInfo
- Publication number
- WO2013020373A1 WO2013020373A1 PCT/CN2012/001064 CN2012001064W WO2013020373A1 WO 2013020373 A1 WO2013020373 A1 WO 2013020373A1 CN 2012001064 W CN2012001064 W CN 2012001064W WO 2013020373 A1 WO2013020373 A1 WO 2013020373A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal thread
- probe
- rod
- ruler
- thread micrometer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/18—Micrometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/46—Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
- G01B3/48—Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable for internal screw-threads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Definitions
- This invention relates to an internal thread micrometer, and more particularly to an internal thread micrometer capable of quickly measuring the inner diameter of an internal thread.
- the traditional internal thread diameter measuring method uses the thread stop gauge and the thread gauge to test the machined internal thread.
- the size of the diameter the operator often can not accurately estimate the value of the thread diameter also needs to be processed when the pass is not passed.
- the estimated machining allowance is not allowed to lead to the thread stop, which leads to the waste of the medium diameter size.
- the straight-rod internal thread micrometer in the field of internal thread measurement, it is limited by the inner diameter of the machined workpiece, which limits the measurement range. It is not possible to measure the median diameter of the conventional internal thread more quickly and conveniently.
- Multi-purpose inner diameter micrometer Multi-purpose inner diameter micrometer
- the internal thread micrometer can not achieve the desired precision.
- the invention provides a brand new internal thread micrometer, which has a key breakthrough in the component transmission structure and measurement principle. By effectively reducing and changing the transmission chain and transmission mode inside the transmission mechanism, the inconvenience of the conventional internal thread measurement is effectively solved, and the requirement for improving the measurement accuracy of the internal thread is achieved.
- the internal thread micrometer comprises: an exchangeable probe, an elbow rod, a transmission shaft, a support sleeve, a differential cylinder and an adjustment knob, a ruler body and a dedicated A digital display device with a digital internal micrometer; characterized in that: the interchangeable probes (13) and (14) are respectively mounted on the fixed elbow rod (12) and the moving elbow rod (15), and the elbow is fixed
- the measuring rod (12) is connected to the ruler (9), the moving elbow rod (15) is connected to the support sleeve (2) and the drive shaft (28), the drive shaft (28) and the differential cylinder (4) and the adjustment knob (7) Connection, support sleeve (2) connected to the ruler (9) and the differential cylinder (4) for digital internal thread micrometer
- the measuring body (56) is provided with a digital display device (56); the interchangeable measuring head comprises a triangular thread probe, a round thread thread probe, a rectangular thread probe and a trapezoidal thread probe, and the replaceable probe includes
- the fixed elbow rod (12) is provided with a fixed elbow rod and a ruler fit plane (37), a fixed elbow rod and a ruler fit cylindrical surface (38), and a positioning pin (36);
- the moving elbow rod (15) is provided with a moving elbow rod scale (1), a moving elbow rod internal thread (39), a plug block (16), a circular arc groove straight wall surface (33) and an arc a grooved spherical surface (35);
- a drive shaft (28) is provided with a screw (40), a ratchet rod mounting hole (41), an oil reservoir (26), and a ball groove (27);
- the support sleeve (2) is provided with a differential The cylinder and the support sleeve cooperate with the plane (17), the differential cylinder and the support sleeve cooperate with the cylindrical surface (18), the differential cylinder and the drive shaft cooperate with the cylindrical surface (22), the ball head positioning screw screw hole (42), the support sleeve and The ruler fits the cylindrical surface (43), the support sleeve
- the invention has the beneficial effects that: the transmission chain inside the internal thread micrometer is reduced, the error caused by excessive transmission chain is effectively eliminated, and the requirement for improving the measurement precision of the internal thread micrometer is achieved.
- the internal thread micrometer can directly measure the median diameter of the internal thread, and the measurement is convenient, fast and accurate.
- Figure 1 is a front view of the internal thread micrometer
- Figure 2 is a cross-sectional view of the internal thread micrometer
- Figure 3 is a cross-sectional view of the internal thread micrometer adjustment knob A-A
- Figure 4 is a cross-sectional view of the internal thread micrometer B-B
- Figure 5 is a cross-sectional view of the internal thread micrometer C-C
- Figure 6 is a schematic diagram of the fixed elbow rod
- FIG. 7 Schematic diagram of moving elbow rod
- FIG. 8 is a schematic diagram of the drive shaft
- Figure 9 is the support sleeve
- Figure 10 is a schematic view of a round head screw
- Figure 11 is the main view of the differential cylinder
- Figure 12 is a sectional view of the differential cylinder
- Figure 13 is a schematic diagram of the adjustment knob
- Figure 14 is a schematic view of a replaceable cone probe
- Figure 15 is a schematic view of the interchangeable V-shaped probe
- Figure 16 is a right side view of the interchangeable V-shaped probe
- Figure 17 is a schematic diagram of the combination of the interchangeable cone probe and the expansion ring.
- Figure 18 is a schematic diagram of the exchangeable V-shaped probe and expansion ring combination
- Figure 19 is a schematic view of the expansion ring.
- Figure 20 is the internal thread micrometer calibration frame
- Figure 21 is a schematic diagram of the internal thread micrometer
- Figure 1 - Figure 22 1. Move the elbow rod scale, 2. Support sleeve, 3. Differential cylinder scale value reference line, 4. Differential cylinder, 5. Calibration adjustment hole, 6. Knurling, 7. Adjustment Knob, 8. Round head screw, 9. Shaft, 10. Insulation board, 11. Insulation board fixing screw, 12. Fixed elbow measuring rod, 13. Removable conical probe, 14. Reversible V type Probe, 15. Move elbow rod, 16, plug, 17. Micro-cylinder and support sleeve fit plane, 18. Micro-cylinder and support sleeve fit cylindrical surface, 19. Spring, 20. Support sleeve countersunk head Screw, 21. Ball, 22. Micro cylinder with drive shaft for cylindrical surface, 23. Adjustment knob countersunk head screw, 24. Spring, 25.
- Adjustment knob threaded hole 50. Adjustment knob and round head screw with thread, 51. Expansion ring groove, 52. Expansion ring, 53. Calibration frame, 54. Calibration frame and interchangeable probe cylindrical positioning surface, 55. Calibration frame and interchangeable probe plane positioning plane. 56. Digital display device
- the internal thread micrometer main unit includes: an interchangeable probe, an elbow rod, a drive shaft, a support sleeve, a micro cylinder and an adjustment knob, a ruler body, and a micrometer for a digital display internal thread.
- Number Display device its interconnection and transmission relationship are as follows:
- the two interchangeable probes of the internal thread micrometer are respectively a replaceable cone probe (13) and a replaceable V-type probe (14), which are respectively mounted on the fixed elbow rod (12) and the moving elbow rod (15)
- Upper, fixed elbow rod (12) is connected with the ruler (9)
- moving elbow rod (15) is connected with the support sleeve (2) and the drive shaft (28)
- the drive shaft (28) is connected with
- the differential cylinder (4) is connected to the adjustment knob (7)
- the support sleeve (2) is connected to the ruler (9) and the differential cylinder (4).
- the ruler body (9) is fixed with a fixed elbow rod (12) and a support sleeve (2), the support sleeve (2) supports the differential cylinder (4), and the differential cylinder (4) drives the transmission shaft (28).
- the drive shaft (28) drives the moving elbow rod (15) to move.
- the adjustment knob (7) provided on the transmission shaft (28) also drives the transmission shaft (28) to move the elbow rod during the measurement (15). ) for axial movement.
- the two interchangeable probes of the internal thread micrometer are a replaceable cone probe (13) and a replaceable V-type probe (14).
- the interchangeable probe can be replaced.
- the types of probes include a triangular thread probe, a round thread probe, a rectangular thread probe and a trapezoidal thread probe, the interchangeable probe also includes a dedicated non-replaceable probe; the interchangeable cone probe (13) ) and the interchangeable V-type probe (14) represents only one of the most common preferred options for the internal thread micrometer thread measurement.
- the interchangeable conical probe (13) and the replaceable V-type probe (14) are provided with a dilatant groove (51) for mounting the expansion ring (52) (see Figs.
- a replaceable cone The measuring head (13) and the replaceable V-shaped probe (14) are mounted on the fixed elbow rod (12) and the moving elbow rod (15) by the expansion force of the expansion ring (52), respectively. , first put the interchangeable cone probe (13) and the exchangeable V-type probe (14) into the probe position corresponding to the calibration frame (53), and then divide the differential cylinder on the differential cylinder (4)
- the 0 line scale value is aligned with the differential barrel scale value reference line (3).
- the differential tube (4) is passed.
- the upper calibration adjustment hole (5) is adjusted.
- the 0 line scale value on the differential cylinder (4) is still aligned with the differential drum scale value reference line (3).
- the calibration frame (53) is provided with an interchangeable probe cylindrical positioning surface (54) and a calibration frame and an interchangeable probe plane positioning plane.
- the differential cylinder (4) is also used and adjusted.
- the knob (7) is used in conjunction with the micro-cylinder (4) for rapid movement, ie the probe is quickly moved to or from the measuring surface, and the adjustment knob (7) is used to control the operator's measuring torque, ie when the probe has The adjustment knob (7) must be used to control the operator's measurement force when contacting the measuring surface or as soon as the final measured dimension value is reached, in order to avoid measurement errors caused by excessive force.
- the two elbow rods of the internal thread micrometer are a fixed elbow rod (12) and a moving elbow rod (15), and the fixed elbow rod (12) is provided with a fixed elbow rod and a ruler
- the matching plane (37) and the fixed elbow rod and the ruler are matched with the cylindrical surface (38), as shown in Fig. 6, to ensure the positioning accuracy of the fixed elbow rod (12), and at the same time, it is also provided on the side thereof to prevent it.
- Move the locating pin (36) (shown in Figure 5) to ensure the positioning accuracy and strength of the fixed elbow rod (12).
- the moving elbow rod (15) is provided with a moving elbow rod scale (1) showing the measured workpiece size of 0.5 mm and 1 mm, such as when the measured thread value is 30.28 blue or 30.58 mm, that is, moving The value of the 30mm or 30.50 leg is displayed on the elbow scale (1), and the remaining small value of 0.28 ran or 0.08 mm is indicated by the differential cylinder scale (47) and the differential cylinder scale value reference line (3).
- Moving the elbow The internal thread of the probe (39) is precisely matched with the screw (40) on the drive shaft (28), and it is responsible for the knob force transmission and size display of the internal thread measurement.
- the outer diameter of the plug (16) is the same as the large diameter of the internal thread of the moving elbow rod (39), and is a transitional fit, which is the protection effect after machining the process hole of the internal thread of the elbow rod (39). (See Figure 7).
- the moving elbow rod (15) is provided with a circular arc groove straight wall surface (33) and a circular groove spherical surface (35) to match the cylindrical surface of the ball head positioning screw on the ball head positioning screw (32) (45) ) and the ball head positioning screw spherical surface (46) limits the axial movement and positioning of the moving elbow rod (15), and the precise sliding fit between the moving elbow rod (15) and the supporting sleeve (2).
- the screw (40) provided on the drive shaft (28) of the internal thread micrometer is precisely matched with the internal thread (39) of the moving elbow rod to share the internal thread measurement transmission and display function (see Figure 2).
- the transmission shaft (28) is provided with a differential cylinder and a drive shaft matched with a cylindrical surface (22) to ensure a cooperative transmission relationship between the transmission shaft (28) and the differential cylinder (4).
- the spring rod mounting hole (41) (see Fig. 8) is equipped with a spring (29), a ratchet rod (30) and an inner ratchet (31) (see Fig. 3) for controlling the transmission shaft force, and the oil reservoir (26) is used for Lubricate the friction between the ratchet bar (30) and the inner ratchet (31).
- the ball groove (27) is used in conjunction with the adjusting knob countersunk head screw (23), spring (24) and ball (25) to limit the axial position of the adjustment knob (7) on the drive shaft (28).
- the support sleeve (2) of the internal thread micrometer passes through the support sleeve and the ruler Cooperating with the cylindrical surface (43) and the ruler (9), the differential cylinder on the support sleeve (2) and the support sleeve cooperate with the plane (17) and the differential cylinder and the support sleeve cooperate with the cylindrical surface (18).
- the support sleeve groove (44) is used together with the spring (19), the support sleeve countersunk screw (20) and the ball (21) to limit the differential cylinder (4)
- Ball head set screw holes (42) are used to mount the ball head set screw (32).
- the knurling (6) on the micro-cylinder (4) of the internal thread micrometer is used to increase the finger friction during measurement.
- the micro-cylinder internal threaded hole (48) (see Figure 12) is used to mount the spring (19), support sleeve The countersunk head screw (20) and the ball (21), the differential cylinder (4) has the function of transmitting the drive shaft (28) knob force and displaying the thread size on the support sleeve (2).
- the adjustment knob (7) of the internal thread micrometer is provided with a knurling (6) to increase the frictional force of the knob, the inner ratchet (31) and the spring (29) on the transmission shaft (28), the ratchet rod (30) Used in conjunction with the knob force of the adjustment knob (7) (see Figure 3), when the operator rotates the adjustment knob (7) counterclockwise, the adjustment knob (7) will drive the drive shaft (28) and move the elbow rod ( 15) The upper probe is close to the surface to be tested.
- the inner ratchet (31) and the ratchet bar (30) will slip when a certain knob force is reached, which indicates that the The measuring force has already met the measurement requirements.
- the measured value of the internal diameter of the internal thread can be read.
- the operator will rotate the adjusting knob (7) clockwise.
- the ratchet rod (30) will be in the spring.
- the inner ratchet (31) is ejected by the action of (29), causing the adjustment knob (7) to drive the probe on the drive shaft (28) away from the surface to be tested, completing the entire measurement process.
- the circular groove straight wall surface (33) and the circular groove spherical surface (35) are used together to control the axial movement accuracy and position of the moving elbow rod (15), and the ball head positioning screw groove (34) is Processing process tank.
- the internal thread micrometer digital display device (56) (see Fig. 22) is dedicated to the digital internal thread micrometer of the internal thread micrometer, and the number of the digital display device and the internal thread micrometer transmission mechanism
- the word display technology is a well-known technology and will not be described here.
- the calibration frame (53) of the internal thread micrometer is an accessory for the internal thread micrometer, which is mainly used for verifying the initial measurement standard of the internal thread.
- the calibration method belongs to the conventional technology, and the calibration frame (53) is used.
- the interchangeable probe also includes a fixed probe.
- the heat shield (10) on the inner body of the internal thread micrometer (9) is fixed by the heat shield fixing screw (11), which is mainly used for the measurement of accuracy.
- the internal thread micrometer is ingenious, simple, reasonable and accurate, and can accurately and effectively measure the median diameter of the internal thread, so as to save the operator's measurement time and improve the internal thread.
- the processing precision brings convenience, and it is a new product in the field of internal thread measurement, which will have a positive effect on the progress of the machining process.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012292861A AU2012292861B2 (en) | 2011-08-08 | 2012-08-09 | Internal thread micrometer |
GB1403034.0A GB2507915B (en) | 2011-08-08 | 2012-08-09 | Internal thread micrometer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110224688 | 2011-08-08 | ||
CN201110224688.8 | 2011-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013020373A1 true WO2013020373A1 (zh) | 2013-02-14 |
Family
ID=46868766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/001064 WO2013020373A1 (zh) | 2011-08-08 | 2012-08-09 | 内螺纹千分尺 |
Country Status (4)
Country | Link |
---|---|
CN (2) | CN102927872B (zh) |
AU (1) | AU2012292861B2 (zh) |
GB (1) | GB2507915B (zh) |
WO (1) | WO2013020373A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109803187A (zh) * | 2019-02-12 | 2019-05-24 | 章启迪 | 一种工业与民用两用麦克风 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102927872B (zh) * | 2011-08-08 | 2017-03-08 | 孙生强 | 内径千分尺 |
WO2013037190A1 (zh) * | 2011-09-16 | 2013-03-21 | 苏州蓝王机床工具科技有限公司 | 内径千分尺 |
CN103808216A (zh) * | 2013-11-21 | 2014-05-21 | 钟传新 | 一种千分尺 |
CN107702614A (zh) * | 2017-10-13 | 2018-02-16 | 威海职业学院 | 一种千分尺 |
DE102018107720A1 (de) * | 2018-03-29 | 2019-10-02 | T & S Gesellschaft für Längenprüftechnik mbH | Messtastelement |
CN108955480A (zh) * | 2018-06-14 | 2018-12-07 | 顺德职业技术学院 | 一种半径测量装置及半径测量方法 |
CN116336034A (zh) * | 2023-05-11 | 2023-06-27 | 江苏宏芯亿泰智能装备有限公司 | 气缸行程精确调节机构 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58184502A (ja) * | 1982-04-22 | 1983-10-28 | Koichi Totsugi | 内外径兼用測定マイクロメ−タ− |
CN2047359U (zh) * | 1989-04-24 | 1989-11-08 | 付义培 | 多功能长度千分尺 |
CN1110784A (zh) * | 1993-10-01 | 1995-10-25 | 株式会社三丰 | 数字显示千分尺 |
RU2081395C1 (ru) * | 1990-06-07 | 1997-06-10 | Роберт Иннокентьевич Буйнов | Рычажный нутромер |
CN201748874U (zh) * | 2009-09-09 | 2011-02-16 | 孙生强 | 多用内径千分尺 |
CN102109307A (zh) * | 2011-03-24 | 2011-06-29 | 苏州萃智新技术开发有限公司 | 多用数显内径千分尺 |
CN202074898U (zh) * | 2011-03-24 | 2011-12-14 | 苏州萃智新技术开发有限公司 | 多用数显内径千分尺 |
CN202188801U (zh) * | 2011-08-08 | 2012-04-11 | 孙生强 | 内螺纹千分尺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3623038B2 (ja) * | 1996-02-26 | 2005-02-23 | 株式会社ミツトヨ | マイクロメータ |
JP2009276137A (ja) * | 2008-05-13 | 2009-11-26 | Mitsutoyo Corp | デジタル表示式変位測定器 |
CN102927872B (zh) * | 2011-08-08 | 2017-03-08 | 孙生强 | 内径千分尺 |
-
2011
- 2011-09-16 CN CN201110286483.2A patent/CN102927872B/zh not_active Expired - Fee Related
- 2011-09-16 CN CN2011203631835U patent/CN202452907U/zh not_active Expired - Fee Related
-
2012
- 2012-08-09 AU AU2012292861A patent/AU2012292861B2/en not_active Ceased
- 2012-08-09 WO PCT/CN2012/001064 patent/WO2013020373A1/zh active Application Filing
- 2012-08-09 GB GB1403034.0A patent/GB2507915B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58184502A (ja) * | 1982-04-22 | 1983-10-28 | Koichi Totsugi | 内外径兼用測定マイクロメ−タ− |
CN2047359U (zh) * | 1989-04-24 | 1989-11-08 | 付义培 | 多功能长度千分尺 |
RU2081395C1 (ru) * | 1990-06-07 | 1997-06-10 | Роберт Иннокентьевич Буйнов | Рычажный нутромер |
CN1110784A (zh) * | 1993-10-01 | 1995-10-25 | 株式会社三丰 | 数字显示千分尺 |
CN201748874U (zh) * | 2009-09-09 | 2011-02-16 | 孙生强 | 多用内径千分尺 |
CN102109307A (zh) * | 2011-03-24 | 2011-06-29 | 苏州萃智新技术开发有限公司 | 多用数显内径千分尺 |
CN202074898U (zh) * | 2011-03-24 | 2011-12-14 | 苏州萃智新技术开发有限公司 | 多用数显内径千分尺 |
CN202188801U (zh) * | 2011-08-08 | 2012-04-11 | 孙生强 | 内螺纹千分尺 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109803187A (zh) * | 2019-02-12 | 2019-05-24 | 章启迪 | 一种工业与民用两用麦克风 |
CN109803187B (zh) * | 2019-02-12 | 2019-12-27 | 绍兴慧创科技有限公司 | 一种工业与民用两用麦克风 |
Also Published As
Publication number | Publication date |
---|---|
GB2507915B (en) | 2017-09-13 |
AU2012292861A1 (en) | 2014-03-06 |
GB2507915A (en) | 2014-05-14 |
AU2012292861B2 (en) | 2015-05-28 |
CN102927872B (zh) | 2017-03-08 |
CN102927872A (zh) | 2013-02-13 |
GB201403034D0 (en) | 2014-04-09 |
CN202452907U (zh) | 2012-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013020373A1 (zh) | 内螺纹千分尺 | |
CN102175540B (zh) | 一种扭簧扭矩测试装置 | |
US10422620B2 (en) | Contact-type position measuring device and measuring method using the same | |
CN101975538A (zh) | 等速万向节驱动轴总成的中心孔检测器 | |
CN202024752U (zh) | 一种同轴度测量仪 | |
WO2013037190A1 (zh) | 内径千分尺 | |
WO2015089689A1 (zh) | 内、外径检测千分尺 | |
CN204085362U (zh) | 飞轮总成跳动综合检具 | |
CN201748874U (zh) | 多用内径千分尺 | |
CN202432977U (zh) | 同轴度检具 | |
CN109115083B (zh) | 一种爪式深孔内径测量装置及测量方法 | |
CN202074898U (zh) | 多用数显内径千分尺 | |
CN103322962A (zh) | 用于测量大尺寸钢丝轴承轨道直径的量规及方法 | |
CN102109307A (zh) | 多用数显内径千分尺 | |
CN107421458B (zh) | 一种蜗轮内孔及轴肩测量装置 | |
CN205718776U (zh) | 大直径内外圆双用检测量具 | |
CN202255340U (zh) | 一种测量深内孔直径尺寸的高精度量具 | |
CN210981108U (zh) | 内花键齿顶圆直径检验夹具 | |
CN212620502U (zh) | 机床用内孔测量装置 | |
CN209197710U (zh) | 一种同轴度自动测量器 | |
CN211626401U (zh) | 一种数显式螺纹深度规 | |
CN203824453U (zh) | 双向检测千分尺 | |
CN207688808U (zh) | 一种用于测量工作台导轨的测量装置 | |
CN203615849U (zh) | 带有可换测头插孔的数显螺纹卡尺 | |
CN215281155U (zh) | 线镗机刀具长度的调整测量装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12821934 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 1403034 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20120809 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1403034.0 Country of ref document: GB |
|
ENP | Entry into the national phase |
Ref document number: 2012292861 Country of ref document: AU Date of ref document: 20120809 Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12821934 Country of ref document: EP Kind code of ref document: A1 |