CN111947586A - High-precision diameter, taper and interval measuring equipment for unequal circles - Google Patents
High-precision diameter, taper and interval measuring equipment for unequal circles Download PDFInfo
- Publication number
- CN111947586A CN111947586A CN202010965410.5A CN202010965410A CN111947586A CN 111947586 A CN111947586 A CN 111947586A CN 202010965410 A CN202010965410 A CN 202010965410A CN 111947586 A CN111947586 A CN 111947586A
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- base
- main shaft
- tailstock
- measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention provides high-precision diameter, taper and interval measuring equipment for an unequal circle, which comprises an equipment base and a mounting rack, wherein the mounting rack is fixed above the equipment base in a threaded manner, a main shaft system is also fixed above the equipment base in a threaded manner, the main shaft system is positioned on the left side of the mounting rack, a part to be measured is arranged at the right end of the main shaft system, a measurement control switch is arranged above the equipment base and positioned on the rear side of the main shaft system, two support frames are movably arranged on the mounting rack through a guide rail mechanism, an image measuring mechanism is arranged above the left support frame through the measuring base, a grating ruler is fixed on the left and right sides of the front side above the equipment base in a threaded manner, the grating ruler is positioned on the front side of the mounting rack, the lower part of the front side; the invention solves the problems that the taper measurement is inaccurate when the existing rotary cutter with high precision requirement is processed, the processing precision is influenced, and the precision and the quality of processed products are reduced.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, particularly relates to measuring equipment for measuring the diameter, taper and spacing of a high-precision unequal circle, and particularly relates to measuring equipment for the diameter, taper and spacing of the high-precision unequal circle.
Background
A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. The tool can be divided into five categories according to the form of the workpiece processing surface: the cutter for processing various outer surfaces comprises a turning tool, a planer tool, a milling cutter, an outer surface broach, a file and the like; the hole machining tool comprises a drill bit, a reamer, a boring cutter, a reamer, an inner surface broach and the like; the thread machining tool comprises a screw tap, a screw die, an automatic opening and closing thread cutting head, a threading tool, a thread milling cutter and the like; the gear processing cutter comprises a hobbing cutter, a gear shaper cutter, a gear shaver, a bevel gear, a broach and the like; cutting tools include tipped circular saws, band saws, hacksaws, cutting bits and blade mills, and the like.
Especially, most hole machining tools are rotary tools, part of the rotary tools are tools with unequal conicity, and the conicity precision requirement of the rotary tools needs to be ensured during conicity machining, especially some non-standard customized rotary tools need to meet the high precision requirement of customers on the machining of products thereof. In the existing rotary cutter, the unequal taper of the rotary cutter in the processing and good in the processing can not be accurately measured, so that the precision requirement of a customer on the hole processing can not be met, and the precision requirement and the quality problem of the cutter on the product processing are influenced.
Disclosure of Invention
The invention provides a high-precision measuring device for diameter, taper and distance of an unequal circle, aiming at solving the problems that the taper is not accurately measured when the existing rotary cutter with high precision requirement is machined, the machining precision is influenced, and the precision and quality of a machined product are reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a diameter, taper and interval measuring device of high-precision unequal circles comprises a device base and a mounting rack, wherein the mounting rack is fixed above the device base in a threaded manner, a main shaft system is further fixed above the device base in a threaded manner, the main shaft system is positioned on the left side of the mounting rack, a part to be measured is installed at the right end of the main shaft system, a measurement control switch is installed on the rear side of the main shaft system above the device base, two support frames are movably installed on the mounting rack through a guide rail mechanism, an image measuring mechanism is installed on the left side of the support frames through a measuring base, a grating ruler is fixed on the left and right sides of the front side of the device base in a threaded manner, the grating ruler is positioned on the front side of the mounting rack, the lower part of the front side of the measuring base is movably installed on the grating ruler, a guide rail moving mechanism is, and a tailstock system is arranged above the support frame on the right side.
Preferably, the image measuring mechanism comprises a fixed block, an adjusting frame, a measuring middle planker, a hand-operated mechanism, a fixed rod, an amplifier suspension bracket, an image amplifier and two high-precision measuring heads, wherein the lower part of the left side of the measuring middle planker is fixed on a measuring base through a fixed block thread, the adjusting frame is an L-shaped frame, the left side of a horizontal plate of the adjusting frame is fixed above the right side of the measuring middle planker, two long waist holes are formed in the left side and the right side of the vertical side face of the adjusting frame in a penetrating manner, the hand-operated mechanism is installed on the left side of the adjusting frame through bolts and the long waist holes, a movable block is fixed on the left side of a movable block on the hand-operated mechanism, the upper end of the fixed rod penetrates through the end block and is movably installed, the lower end of the fixed rod, the image amplifier is installed in the amplifier mounted frame left side, two the high accuracy measuring head is installed respectively in the left side and the rear side of image amplifier, two the high accuracy measuring head is located main shaft system right-hand member part top that awaits measuring.
Preferably, the spindle system comprises a spindle base, a fixing plate, a spindle housing and a spindle body, the spindle base is fixedly mounted on the left side above the equipment base, four corners of the bottom of the spindle housing are fixed above the spindle base through the fixing plate in a threaded manner, the spindle body is mounted in the spindle housing, and a part mounting opening of the spindle body faces the right.
Preferably, the tailstock system comprises a tailstock fixing plate, a tailstock base, a tailstock shell, a tailstock body and a tip, wherein the tailstock fixing plate is fixedly arranged on the supporting frame on the right side, the tailstock shell is fixed above the tailstock fixing plate through the tailstock base, the tailstock body is arranged in the tailstock shell, and the tip is arranged at the left end of the tailstock body.
The preferred, guide rail mechanism includes two linear guide and a plurality of slider, two to threaded fixation in equipment base top about linear guide is all two the linear guide both ends are all fixed on two inner walls of mounting bracket, and are a plurality of the equal movable mounting of slider is on two linear guide, and is a plurality of the slider is installed respectively and is driven the support frame and slide on linear guide below two support frames.
The preferred, still include two brakes and two hydraulic damping gag lever posts on the guide rail mechanism, two the brake is installed respectively in two support frame belows, two the brake all sets up between two linear guide, image measurement mechanism and tailstock system are respectively through two brake locking, two hydraulic damping gag lever post is installed respectively and is fixed on the equipment base through two stoppers, two the stopper is located respectively in the mounting bracket between two linear guide both ends, two the hydraulic pressure flexible end of hydraulic damping gag lever post is towards two brake outsides respectively.
Preferably, the axis of the center is collinear with the axis of the part mounting opening.
Preferably, it includes handle, guide rail rolling element, connecting block and grating pointer to establish guide rail moving mechanism, the connecting block is fixed in measuring the base below, the connecting block is located the top between two linear guide, the connecting block is passed in the activity of guide rail rolling element, guide rail rolling element both sides are all rolling installation on linear guide, the handle is installed at guide rail rolling element rear end, the grating pointer is installed on guide rail rolling element front end to grating chi.
Preferably, the main shaft system further comprises a straightening mandrel, and the straightening mandrel is installed in the part installation opening through the main shaft body.
Preferably, the front side edge of the upper part of the equipment base is provided with a wiring harness tank chain, one end of the wiring harness tank chain is fixed above the equipment base, the other end of the wiring harness tank chain is fixed at the front side edge of the lower part of the measuring base, and the wiring harness of the image measuring mechanism penetrates through the wiring harness tank chain and extends to the lower part of the equipment base.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with two high-precision measuring heads, amplifies the position measured by the rotary cutter through the image amplifier and transmits the amplified position to the control end of the host computer for statistics and analysis, so as to realize real-time and accurate measurement of the diameter, taper and spacing of the rotary cutter, and meet the requirement of a client on the high-precision rotary cutter with unequal circles.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
the embodiment of the invention mainly comprises the following component symbols:
equipment base-1, mounting rack-2, spindle system-3, spindle base-301, fixing plate-310, spindle shell-320, spindle body-330, mounting port-331, measurement control switch-340, correction core rod-350, guide rail mechanism-4, linear guide rail-401, slide block-402, brake-410, limiting block-420, hydraulic damping limiting rod-421, support frame-5, measurement base-6, image measurement mechanism-7, fixing block-701, adjusting frame-710, long waist hole-711, measurement middle carriage-720, hand-operated mechanism-730, fixing rod 740, end block-741, amplifier suspension frame-750, image amplifier-760, high-precision measuring head-770, and, The device comprises a grating ruler-8, a tailstock system-9, a tailstock fixing plate-901, a tailstock base-910, a tailstock shell-920, a tailstock body-930, a tip-940, a guide rail moving mechanism-10, a handle-1001, a guide rail rolling body-1002, a connecting block-1003, a grating pointer-1004 and a wiring harness tank chain-11.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Example 1
As shown in fig. 1 to 3, a diameter, taper and space measuring device of a high-precision unequal circle comprises a device base 1 and a mounting rack 2, wherein the device base 1 is a marble base, the stability is high, and the stability of the installation of a measuring device is ensured, the mounting rack 2 is fixed above the device base 1 through threads, a main shaft system 3 is further fixed above the device base 1 through threads, the main shaft system 3 is positioned on the left side of the mounting rack 2, a part to be measured is installed at the right end of the main shaft system 3, a measurement control switch 340 is installed on the upper portion of the device base 1 and positioned on the rear side of the main shaft system 3, two support frames 5 are movably installed on the mounting rack 2 through a guide rail mechanism 4, an image measuring mechanism 7 is installed on the upper portion of the support frame 5 on the left side through a measuring base 6, a grating ruler 8 is fixed on the left and right sides of the, the measurement base 6 is characterized in that the lower portion of the front side of the measurement base is movably mounted on the grating ruler 8, the guide rail moving mechanism 10 is mounted on the right side of the measurement base 6, the measurement base 6 is moved and locked on the grating ruler 8 through the guide rail moving mechanism 10, and the tailstock system 9 is mounted above the support frame 5.
The image measuring mechanism 7 comprises a fixed block 701, an adjusting bracket 710, a middle measuring carriage 720, a hand-operated mechanism 730, a fixed rod 740, an amplifier suspension bracket 750, an image amplifier 760 and two high-precision measuring heads 770, wherein the lower part of the left side of the middle measuring carriage 720 is fixed on a measuring base 6 through the fixed block 701 in a threaded manner, the adjusting bracket 710 is an L-shaped bracket, the left side of the horizontal plate of the adjusting bracket 710 is fixed above the right side of the middle measuring carriage 720, two long waist holes 711 are formed in the left and right sides of the vertical side surface of the adjusting bracket 710 in a penetrating manner, the hand-operated mechanism 730 is installed on the left side of the adjusting bracket 710 through bolts and the long waist holes 711, an end block 741 is fixed on the left side of a moving block on the hand-operated mechanism 730, the upper end of the fixed rod 740 movably penetrates through the end block 741, the adjusting screw passes through the right side wall of the amplifier suspension bracket 750 and is locked on the side surface of the fixing rod 740, the image amplifier 760 is installed on the left side of the amplifier suspension bracket 750, the two high-precision measuring heads 770 are respectively installed on the left side and the rear side of the image amplifier 760, and the two high-precision measuring heads 770 are located above a part to be measured at the right end of the spindle system 3.
The invention is provided with two high-precision measuring heads 770, the positions measured by the rotating cutter are amplified by the image amplifier 760 and transmitted to the control end of the host computer for statistics and analysis, so that the diameter, taper and spacing of the rotating cutter are measured in real time and accurately, and the requirement of a client on the high-precision rotating cutter with unequal circles is met.
The spindle system 3 comprises a spindle base 301, a fixing plate 310, a spindle housing 320 and a spindle body 330, wherein the spindle base 301 is fixedly installed on the left side above the equipment base 1, four corners of the bottom of the spindle housing 320 are fixed above the spindle base 301 through the fixing plate 310 in a threaded manner, the spindle body 330 is installed in the spindle housing 320, and a part installation opening 331 of the spindle body 330 faces the right.
The tailstock system 9 comprises a tailstock fixing plate 901310, a tailstock base 910, a tailstock housing 920, a tailstock body 930 and a centre 940, wherein the tailstock fixing plate 901310 is fixedly installed on the right supporting frame 5, the tailstock housing 920 is fixed above the tailstock fixing plate 901310 through the tailstock base 910, the tailstock body 930 is installed in the tailstock housing 920, and the centre 940 is installed at the left end of the tailstock body 930.
: guide rail mechanism 4 includes two linear guide 401 and a plurality of slider 402, two to threaded fixation in equipment base 1 top about linear guide 401 is all two linear guide 401 both ends are all fixed on two inner walls of mounting bracket 2, and are a plurality of the equal movable mounting of slider 402 is on two linear guide 401, and is a plurality of slider 402 is installed respectively and is driven support frame 5 below two support frames and slide on linear guide 401.
Still include two brakes 410 and two hydraulic damping gag lever posts 421, two on the guide rail mechanism 4 brake 410 installs respectively in two support frames 5 below, two brake 410 all sets up between two linear guide 401, image measuring mechanism 7 and tailstock system 9 lock through two brakes 410 respectively, two hydraulic damping gag lever post 421 installs respectively and fixes on equipment base 1 through two stopper 420, two stopper 420 is located respectively in mounting bracket 2 between two linear guide 401 both ends, two the hydraulic pressure flexible end of hydraulic damping gag lever post 421 is towards two brake 410 outsides respectively.
The axis of the center 940 and the axis of the part mounting hole 331 are collinear.
The guide rail moving mechanism 10 comprises a handle 1001, a guide rail rolling body 1002, a connecting block 1003 and a grating pointer 1004, the connecting block 1003 is fixed below the measuring base 6, the connecting block 1003 is located above the position between the two linear guide rails 401, the guide rail rolling body 1002 movably penetrates through the connecting block 1003, two sides of the guide rail rolling body 1002 are arranged on the linear guide rails 401 in a rolling mode, the handle 1001 is arranged at the rear end of the guide rail rolling body 1002, and the grating pointer 1004 is arranged from the front end of the guide rail rolling body 1002 to the grating ruler 8.
The spindle system 3 further includes a straightening mandrel 350, and the straightening mandrel 350 is installed in the part installation opening 331 through the spindle body 330.
When the device is used, the correcting mandrel 350 is fixedly arranged at the mounting port 331 through the main shaft body 330, the tailstock system 9 is moved to correct the axial core degree of the main shaft system 3 and the tailstock system 9, then the correcting mandrel 350 is taken down, the side surface of one end of the rotary tool to be measured is fixed, after the main shaft body 330 is fixed, the tailstock system 9 is pushed to enable the tip 940 to prop against the other end of the rotary tool to be measured, the brake 410 below the tailstock system 9 is adjusted to fix the tailstock system 9, the hand-operated mechanism 730 on the image measuring mechanism 7 is adjusted to realize the position of two high-precision measuring heads 770 relative to the rotary tool to be measured to reach a proper angle and a proper measuring distance, the handle 1001 on the guide rail moving mechanism 10 is shaken to control the guide rail rolling body 1002 to roll on the linear guide rail 401, the image measuring mechanism 7 is realized to carry out shooting and measurement of a plurality of, the grating ruler 8 records the change of the interval, so that the device can measure the diameters, the taper and the intervals of different positions on the rotary cutter with unequal circles, the measurement precision is high, the correction is convenient, the error caused by the measuring equipment is reduced, and the processing precision of the rotary cutter is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a diameter, tapering and interval measuring equipment of high accuracy circle of not dividing, includes equipment base (1) and mounting bracket (2), mounting bracket (2) threaded fixation is in equipment base (1) top, its characterized in that: the equipment base (1) is further fixed with a main shaft system (3) through threads, the main shaft system (3) is located on the left side of the mounting frame (2), a part to be measured is installed at the right end of the main shaft system (3), the equipment base (1) is located on the rear side of the main shaft system (3) and is provided with a measurement control switch (340), the mounting frame (2) is provided with two support frames (5) through a guide rail mechanism (4) in a movable mode, the left side is provided with an image measuring mechanism (7) above the support frames (5) through a measuring base (6), the equipment base (1) is provided with a grating ruler (8) on the left side and the right side in a front direction in a threaded mode, the grating ruler (8) is located on the front side of the mounting frame (2), the measuring base (6) is movably installed on the grating ruler (8) below the front side, and the right, the measurement base (6) moves and is locked on the grating ruler (8) through a guide rail moving mechanism (10), and a tailstock system (9) is installed above the support frame (5) on the right side.
2. The measurement device of claim 1, wherein: the image measuring mechanism (7) comprises a fixing block (701), an adjusting frame (710), a middle measuring carriage (720), a hand-operated mechanism (730), a fixing rod (740), an amplifier suspension frame (750), an image amplifier (760) and two high-precision measuring heads (770), wherein the lower part of the left side of the middle measuring carriage (720) is fixed on a measuring base (6) through the fixing block (701) in a threaded manner, the adjusting frame (710) is an L-shaped frame, the left side of a horizontal plate of the adjusting frame (710) is fixed above the right side of the middle measuring carriage (720), the left side and the right side of the vertical side face of the adjusting frame (710) are provided with two long waist holes (711) in a penetrating manner, the hand-operated mechanism (730) is installed on the left side of the adjusting frame (710) through bolts and the long waist holes (711), the left side of a moving block on the hand-operated mechanism (730) is fixed with an end block, the amplifier suspension bracket (750) is passed in the activity of dead lever (740) lower extreme, amplifier suspension bracket (750) side is provided with adjusting screw, adjusting screw passes amplifier suspension bracket (750) right side lateral wall and locks in dead lever (740) side, image amplifier (760) are installed in amplifier suspension bracket (750) left side, two high accuracy measuring head (770) are installed respectively in the left side and the rear side of image amplifier (760), two high accuracy measuring head (770) are located spindle system (3) right-hand member part top that awaits measuring.
3. The measurement device of claim 2, wherein: the main shaft system (3) comprises a main shaft base (301), a fixing plate (310), a main shaft shell (320) and a main shaft body (330), wherein the main shaft base (301) is fixedly installed on the left side above the equipment base (1), four corners of the bottom of the main shaft shell (320) are fixed above the main shaft base (301) through the fixing plate (310) in a threaded mode, the main shaft body (330) is installed in the main shaft shell (320), and a part installation opening (331) of the main shaft body (330) faces the right.
4. The measurement device of claim 3, wherein: the tailstock system (9) comprises a tailstock fixing plate (901) (310), a tailstock base (910), a tailstock shell (920), a tailstock body (930) and a tip (940), wherein the tailstock fixing plate (901) (310) is fixedly installed on a supporting frame (5) on the right side, the tailstock shell (920) is fixed above the tailstock fixing plate (901) (310) through the tailstock base (910), the tailstock body (930) is installed in the tailstock shell (920), and the tip (940) is installed at the left end of the tailstock body (930).
5. The measurement device of claim 4, wherein: guide rail mechanism (4) include two linear guide (401) and a plurality of slider (402), two to threaded fixation in equipment base (1) top, two about linear guide (401) all linear guide (401) both ends are all fixed on two inner walls of mounting bracket (2), and are a plurality of the equal movable mounting of slider (402) is on two linear guide (401), and is a plurality of slider (402) are installed respectively and are driven support frame (5) and slide on linear guide (401) in two support frame (5) below.
6. The measurement device of claim 5, wherein: still include two brakes (410) and two hydraulic damping gag lever posts (421), two on guide rail mechanism (4) brake (410) are installed respectively in two support frames (5) below, two brake (410) all set up between two linear guide (401), image measuring mechanism (7) and tailstock system (9) are respectively through two brakes (410) locking, two hydraulic damping gag lever post (421) are installed respectively and are fixed on equipment base (1) through two stopper (420), two stopper (420) are located respectively in mounting bracket (2) between two linear guide (401) both ends, two the hydraulic stretching end of hydraulic damping gag lever post (421) is towards two brakes (410) outsides respectively.
7. The measurement device of claim 6, wherein: the axial line of the center (940) is collinear with the axial line of the part mounting opening (331).
8. The measurement device of claim 7, wherein: the guide rail moving mechanism (10) comprises a handle (1001), guide rail rolling bodies (1002), a connecting block (1003) and a grating pointer (1004), the connecting block (1003) is fixed below the measuring base (6), the connecting block (1003) is located above the space between the two linear guide rails (401), the guide rail rolling bodies (1002) movably penetrate through the connecting block (1003), the two sides of the guide rail rolling bodies (1002) are arranged on the linear guide rails (401) in a rolling mode, the handle (1001) is arranged at the rear ends of the guide rail rolling bodies (1002), and the grating pointer (1004) is arranged from the front ends of the guide rail rolling bodies (1002) to the grating ruler (8).
9. The measurement device of claim 8, wherein: the spindle system (3) further comprises a correcting mandrel (350), and the correcting mandrel (350) is installed in the part installation opening (331) through the spindle body (330).
10. The measurement device of claim 9, wherein: the pencil tank chain (11) are still installed along going out to equipment base (1) top front side, pencil tank chain (11) one end is fixed in equipment base (1) top, pencil tank chain (11) other end is fixed and is measured base (6) below front side reason, the pencil of image measuring mechanism (7) passes pencil tank chain (11) and extends to equipment base (1) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965410.5A CN111947586A (en) | 2020-09-15 | 2020-09-15 | High-precision diameter, taper and interval measuring equipment for unequal circles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965410.5A CN111947586A (en) | 2020-09-15 | 2020-09-15 | High-precision diameter, taper and interval measuring equipment for unequal circles |
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| Publication Number | Publication Date |
|---|---|
| CN111947586A true CN111947586A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010965410.5A Pending CN111947586A (en) | 2020-09-15 | 2020-09-15 | High-precision diameter, taper and interval measuring equipment for unequal circles |
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| CN (1) | CN111947586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523856A (en) * | 2022-11-23 | 2022-12-27 | 西安西部新锆科技股份有限公司 | Measuring device and measuring method for nuclear zirconium alloy pipe cold-rolled core rod |
-
2020
- 2020-09-15 CN CN202010965410.5A patent/CN111947586A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115523856A (en) * | 2022-11-23 | 2022-12-27 | 西安西部新锆科技股份有限公司 | Measuring device and measuring method for nuclear zirconium alloy pipe cold-rolled core rod |
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