CN209746263U - object stage and microhardness meter for detecting hardness of arc part - Google Patents
object stage and microhardness meter for detecting hardness of arc part Download PDFInfo
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- CN209746263U CN209746263U CN201920250095.0U CN201920250095U CN209746263U CN 209746263 U CN209746263 U CN 209746263U CN 201920250095 U CN201920250095 U CN 201920250095U CN 209746263 U CN209746263 U CN 209746263U
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Abstract
The utility model discloses an objective table and a microhardometer for detecting the hardness of a circular arc part, wherein the objective table comprises a base, a rotating table, a positioning mechanism and a clamping mechanism, the positioning mechanism comprises a positioning part, and the positioning part can move along the radius direction of the rotating table; the clamping mechanism comprises a clamping part which is arranged opposite to the positioning part and can move along the same linear direction with the movement track of the positioning part; when the arc part is placed between the positioning part and the clamping part, the arc part is moved firstly to enable the arc surface of the arc part to coincide with one of the arc scale lines, then the positioning part is abutted against the arc surface for positioning, and finally the clamping part is moved to the straight plane to enable the arc part to be clamped between the positioning part and the clamping part and to be arranged concentrically with the rotating table. The objective table saves the trouble of repositioning the circle center of the arc part when determining other microhardness measuring points, and accurately obtains the circumferential hardness distribution condition of the arc surface of the arc part.
Description
Technical Field
The utility model relates to an objective table and microhardometer for circular arc part hardness detects.
Background
The stage is a microhardness gauge assembly. The existing microhardometer objective table can only drive the objective table to linearly move along the X direction or the Y direction through a knob, can not rotate, and can not detect the circumferential hardness distribution of the arc part.
The detection piece is directly placed on the objective table and is driven to rotate by the rotation of the objective table. However, since the center of the circular arc part is required to coincide with the rotation center of the stage during circumferential hardness detection, the positioning and clamping device of the circular arc part is not designed, so that it takes time and is troublesome to find the center coincidence position of the circular arc part, and the circular arc part is easily touched and moved, thereby making it difficult to perform subsequent detection work, and further failing to accurately obtain the circumferential hardness distribution of the circular arc part.
SUMMERY OF THE UTILITY MODEL
The utility model provides an objective table and micro-hardometer for circular arc part hardness detects, it has overcome the not enough of existence of background art. The utility model provides one of the technical scheme who adopts of its technical problem is:
An objective table for circular arc part hardness detects, and the circular arc part has the circular arc face and the straight plane of arranging back to back, and the objective table includes:
a base;
The top surface of the rotating platform is provided with circular arc scale marks which are concentrically arranged with the rotating platform;
The positioning mechanism is arranged on the rotating table and comprises a positioning part for positioning the arc surface, and the positioning part can move along the radius direction of the rotating table;
The clamping mechanism is arranged on the rotating table and comprises a clamping part which has a clamping effect on the straight plane, and the clamping part is arranged opposite to the positioning part and can move along the same linear direction with the movement track of the positioning part;
When the arc part is placed between the positioning part and the clamping part, the arc part is moved firstly to enable the arc surface of the arc part to coincide with one of the arc scale lines, then the positioning part is abutted against the arc surface for positioning, and finally the clamping part is moved to the straight plane to enable the arc part to be clamped between the positioning part and the clamping part and to be arranged concentrically with the rotating table.
in a preferred embodiment: the arc scale lines are provided with a plurality of lines and are arranged at intervals along the length direction of the radius of the rotating table.
In a preferred embodiment: the top surface of the rotating table is provided with a guide groove extending along the length direction of the radius of the rotating table, and the guide groove and the circular arc scale mark are adjacently arranged or are in close contact or are intersected; the positioning mechanism is also provided with a positioning guide block which can be in guide fit with the guide groove, and the positioning guide block is in guide fit with the guide groove to drive the positioning part to move along the guide groove.
In a preferred embodiment: the clamping mechanism is also provided with a clamping guide block which can be in guide fit with the guide groove, and the clamping portion is driven to move along the guide groove through the guide fit of the guide groove and the clamping guide block.
In a preferred embodiment: the arc surface of the arc part is an outward convex arc surface, and the positioning part and the clamping part are arranged at intervals along the outer side and the inner side of the circle center of the rotating table.
In a preferred embodiment: the arc surface of the arc part is an inward concave arc surface, and the positioning part and the clamping part are arranged at intervals inside and outside the circle center of the rotating table.
In a preferred embodiment: the positioning mechanism further comprises a positioning nut seat, a positioning screw rod and a positioning sliding block, the positioning nut seat is fixedly installed on the top surface of the rotating table, the positioning screw rod penetrates through the positioning nut seat and extends towards the length direction of the guide groove, the positioning sliding block is in empty sleeve fit with the positioning screw rod, the positioning guide block is connected to the bottom end of the positioning sliding block, and the positioning portion is connected to the end face, facing the clamping portion, of the positioning sliding block.
In a preferred embodiment: the number of the positioning parts is two, and the two positioning parts are arranged at intervals by taking the positioning screw rods as centers.
In a preferred embodiment: the clamping mechanism further comprises a clamping nut seat, a clamping screw and a clamping sliding block, the clamping nut seat is fixedly connected to the top surface of the rotating table, the clamping screw penetrates through the clamping nut seat and extends towards the length direction of the guide groove, the clamping sliding block is in empty sleeve fit with the clamping screw, the clamping guide block is connected to the bottom end of the clamping sliding block, and the clamping portion is connected to the end face, facing the positioning portion, of the clamping sliding block.
In a preferred embodiment: the number of the clamping parts is one, and the clamping parts are positioned at the center of the clamping slide block.
In a preferred embodiment: the indexing mechanism is arranged on the base and comprises a stepping motor, a worm and a worm wheel, the worm is in transmission connection with the stepping motor, the worm wheel is rotatably connected to the base in a transmission connection mode and is connected with the rotating table, and the worm wheel and the rotating table are arranged concentrically.
the utility model provides a second of the technical scheme of its technical problem's adoption: the microhardness tester of the objective table comprises a machine table and a pressure head, wherein the objective table is movably arranged on the machine table, and the pressure head corresponds to the top surface of the rotating table.
Compared with the background technology, the technical scheme has the following advantages:
1. the circular arc part is clamped between the positioning part and the clamping part and is concentrically arranged with the rotating platform, so that the circular arc part can be driven to synchronously rotate when the rotating platform rotates and always keep the circular arc part and the rotating platform at the same circle center, the trouble that the circle center of the circular arc part needs to be positioned again when other microhardness measuring points are determined is eliminated, and the circumferential hardness distribution condition at the circular arc surface of the circular arc part is accurately obtained.
2. The circular arc scale marks are provided with a plurality of circular arc scale marks and are arranged at intervals along the length direction of the radius of the rotating table, the arrangement mode enables the radian of the circular arc surface of most circular arc parts to coincide with one of the circular arc scale marks, and the accuracy of the circle center position of the circular arc parts is ensured.
3. the guide groove and the arc scale mark are arranged adjacently or in an abutting or intersecting manner, so that the positioning part can still visually see the coincidence state of the arc surface and the arc scale mark when moving to contact with the arc surface along the guide groove, and if the arc surface deviates from the arc scale mark when the positioning part contacts with the arc surface, the position of the arc part can be adjusted in time to ensure that the arc surface coincides with the arc scale mark.
4. The guide groove is in guide fit with the clamping guide block to drive the clamping portion to move along the guide groove, so that the positioning portion and the clamping portion move along the guide groove, and the center of the positioning mechanism is coincident with the center of the clamping mechanism.
5. The positioning mechanism enables the positioning screw rod to move back and forth relative to the positioning nut seat by rotating the positioning screw rod, and drives the positioning slide block and the positioning part to move back and forth along the guide groove under the matching of the positioning guide block and the guide groove.
6. The clamping mechanism enables the clamping screw rod to move back and forth relative to the clamping nut seat by rotating the clamping screw rod, and drives the clamping slide block and the clamping part to move back and forth along the guide groove under the matching of the clamping guide block and the guide groove.
7. the worm wheel in the indexing and indexing mechanism rotates to drive the rotating table to rotate synchronously, and the arc part also rotates synchronously under the clamping action of the positioning mechanism and the clamping mechanism so as to adjust the circumferential microhardness measuring point at the arc surface of the arc part.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an overall schematic view of a preferred embodiment microhardness tester.
FIG. 2 is a schematic front view of a preferred embodiment of the stage.
FIG. 3 is a left side view of the stage of the preferred embodiment.
FIG. 4 is a schematic top view of a preferred embodiment of the stage.
FIG. 5 is a top view of a preferred embodiment of the turntable.
Fig. 6 is a schematic diagram illustrating a state where the positioning mechanism and the clamping mechanism are clamped and positioned relative to each other when the arc part of the preferred embodiment adopts the concave arc surface.
FIG. 7 is a side view of FIG. 6.
FIG. 8 is a schematic view of the positioning mechanism and the clamping mechanism clamped and positioned relative to the circular arc part of the preferred embodiment when the circular arc part adopts the convex circular arc surface.
Fig. 9 is a side view of fig. 8.
Detailed Description
referring to fig. 2 to 9, a preferred embodiment of the stage and microhardness tester for testing the hardness of circular arc parts is shown.
The circular arc part 10 has circular arc surfaces 11 and straight flat surfaces 12 which are arranged oppositely. As shown in fig. 6, the arc surface 11 of the arc part is an inward concave arc surface; as shown in fig. 8, the arc surface 11 of the arc part is an outward convex arc surface.
The object stage comprises a base 20, a turntable 30, a positioning mechanism and a clamping mechanism.
As shown in FIG. 2, a mounting cavity 21 is formed on the top surface of the base 20, and a rotary cylindrical boss 22 is protruded upward around the mounting cavity 21. The bottom surface of the base 20 is provided with a locking groove 23, the locking groove 23 is concentrically arranged with the assembly cavity 21, and a bolt hole 24 is further provided, and the bolt hole 24 is communicated with the locking groove 23.
The turntable 30 is rotatably attached to the base 20, and the top surface of the turntable 30 is provided with circular-arc scale lines 31 arranged concentrically with the turntable 30.
In this embodiment, the bottom surface of the rotating platform 30 is provided with a cylindrical cavity 32 which can be rotatably matched with the rotating cylindrical boss 22, and the relative rotation between the rotating platform 30 and the base 20 is realized through the rotatable matching of the cylindrical cavity 32 and the rotating cylindrical boss 22. A teflon film 40 for reducing friction between the bottom surface of the rotating table 30 and the top surface of the base 20 is further disposed between the two to improve the rotating precision and prolong the service life.
In this embodiment, the circular arc scale lines 31 are provided with a plurality of lines and are arranged at intervals along the length direction of the radius of the rotating table 30.
In this embodiment, the top surface of the rotating table 30 is provided with a guide groove 33 extending along the length direction of the radius of the rotating table 30, and the guide groove 33 is arranged adjacent to, abutted against or intersected with the circular arc scale line 31. As shown in fig. 5, the guide groove 33 and the circular arc scale line 31 are arranged in an intersecting manner, and the guide groove 33 is located at the middle position of the circular arc scale line 31, so that the left side and the right side of the circular arc surface 11 of the circular arc part can be aligned with the circular arc scale line 31, and the alignment effect is better. As shown in the figure, the circular arc scale lines 31 do not extend over the entire radial length. According to the requirement, the arc scale lines 31 can be distributed over the length direction of the radius of the whole rotating table 30, and the distance between two adjacent arc scale lines 31 can be adjusted according to the actual arc radius of the arc part 10 to be measured.
In this embodiment, the guide groove 33 is rectangular. The guide slot 33 may be different in dovetail shape, square shape, and triangle, but not limited thereto.
The positioning mechanism is mounted on the rotating table 30, and includes a positioning portion 50 for positioning the arc surface 11, and the positioning portion 50 can move in the radial direction of the rotating table 30.
In this embodiment, the positioning mechanism is further provided with a positioning guide block 51 capable of being in guiding fit with the guide groove 33, and the positioning portion 50 is driven to move along the guide groove 33 by the guiding fit of the guide groove 33 and the positioning guide block 51.
In this embodiment, the positioning mechanism further includes a positioning nut seat 52, a positioning screw 53 and a positioning slider 54, the positioning nut seat 52 is fixedly mounted on the top surface of the rotating table 30, the positioning screw 53 passes through the positioning nut seat 52 and extends in the length direction of the guide groove 33, the positioning slider 54 is in hollow fit with the positioning screw 53, the positioning guide block 51 is connected to the bottom end of the positioning slider 54, and the positioning portion 50 is connected to the end surface of the positioning slider 54 facing the clamping portion. As shown in fig. 4 and 6, since the arc surface 11 of the arc part is an inward concave arc surface, the positioning portion 50 is close to the center of the rotating table 30, and the length of the positioning screw 53 is greater than the length of the radius of the rotating table 30; as shown in fig. 8, since the arc surface 11 of the arc part is an outward convex arc surface, the positioning portion 50 is far away from the center of the rotating table 30, and the length of the positioning screw 53 is smaller than the length of the radius of the rotating table 30. That is, the positional relationship between the positioning mechanism and the clamping mechanism needs to be adjusted depending on the type of the arc surface 11.
In this embodiment, the number of the positioning portions 50 is two, and the two positioning portions 50 are concentrically arranged at intervals with the positioning screw 53 as the center. As shown in fig. 6, the number of the positioning portions 50 is two and is symmetrically arranged with respect to the positioning screw 53. This location portion 50 is cylindrical, and its top is conical, perhaps also can be with the design of location portion 50 top for the hemisphere, can avoid the influence that the shape error of circular arc part 10 produced this part position when hemispherical location portion 50 top and the arc surface 11 contact of circular arc part for the location is more reliable. The positioning part 50 and the positioning slider 54 are vertically arranged, and the connection between the two can adopt a screw locking or screwing mode to facilitate disassembly and assembly, and when the service life of the positioning part 50 is too long and the service performance is affected, the positioning part can be replaced in time.
The clamping mechanism is mounted on the rotating table 30, and includes a clamping portion 60 for clamping the rectilinear surface 12, the clamping portion 60 being disposed opposite to the positioning portion 50 and being movable in the same linear direction as the movement locus of the positioning portion 50. When the arc part 10 is placed between the positioning portion 50 and the clamping portion 60, the arc part 10 is moved to make the arc surface 11 coincide with one of the arc scale lines 31, the positioning portion 50 abuts against the arc surface 11 to be positioned, and finally the clamping portion 60 is moved to the straight plane 12 to make the arc part 10 clamped between the positioning portion 50 and the clamping portion 60 and arranged concentrically with the rotating table 30.
In this embodiment, the clamping mechanism is further provided with a clamping guide block 61 capable of being in guiding fit with the guide groove 33, and the clamping portion 60 is driven to move along the guide groove 33 through the guiding fit of the guide groove 33 and the clamping guide block 61.
In this embodiment, when the arc surface 11 of the arc part is an outer convex arc surface, the positioning portion 50 and the clamping portion 60 are arranged along the center of the rotation table 30 at intervals.
In this embodiment, the arc surface 11 of the arc part is an inward concave arc surface, and the positioning portion 50 and the clamping portion 60 are arranged at an interval inside and outside along the circle center of the rotating table 30.
In this embodiment, the clamping mechanism further includes a clamping nut seat 62, a clamping screw 63 and a clamping slider 64, the clamping nut seat 62 is fixedly connected to the top surface of the rotating table 30, the clamping screw 63 passes through the clamping nut seat 62 and extends in the length direction of the guide groove 33, the clamping slider 64 is in hollow fit with the clamping screw 63, the clamping guide block 61 is connected to the bottom end of the clamping slider 64, and the clamping portion 60 is connected to the end surface of the clamping slider 64 facing the positioning portion 50. As shown in fig. 4 or fig. 6, since the arc surface 11 of the arc part is an inward concave arc surface, the length of the clamping screw 63 is smaller than the radius of the rotary table 30; as shown in fig. 8, since the arc surface 11 of the arc part is an outward convex arc surface, the length of the clamping screw 63 is greater than the radius of the rotary table 30.
The set nut seat 52 is concentrically arranged with the clamp nut seat 62 to ensure that the set screw 53 and the clamp screw 63 are always kept in the same line.
In this embodiment, there is one clamping portion 60, and the clamping portion 60 is located at the center of the clamping slider 64. The clamping portion 60 is square to ensure that the clamping surface is fully engaged with the straight plane 12 of the circular arc part.
in this embodiment, the object stage further comprises an indexing mechanism mounted on the base 20, the indexing mechanism comprises a stepping motor 70, a worm 71 and a worm wheel 72, the worm 71 is connected with the stepping motor 70 in a transmission manner, the worm wheel 72 is rotatably mounted on the base 20 and is connected with the rotating table 30 in a transmission manner, and the worm wheel 72 is arranged concentrically with the rotating table 30. The stepping motor 70 rotates to drive the worm 71 to rotate, the worm 71 rotates to drive the worm wheel 72 to rotate, and the worm wheel 72 rotates to drive the rotating table 30 to synchronously rotate. As shown in fig. 2 and 3, the stepping motor 70 is installed outside the base 20, the worm 71 is laterally rotatably installed in the assembly chamber 21, the worm wheel 72 is longitudinally rotatably installed in the assembly chamber 21, and the worm wheel 72 is connected to the turntable 30 through the connecting block 73.
The microhardness tester using the above-mentioned stage, as shown in fig. 1, includes a machine table 100 and a indenter 110, the stage is movably mounted on the machine table 100, and the indenter 110 corresponds to the top surface of the turntable 30.
in this embodiment, the machine 100 further has a square worktable 120, and the square worktable 120 extends into the locking groove 23 and is screwed with the bolt hole by a bolt to fix the base 20 on the machine 100. The machine 100 is further provided with a height adjustment mechanism capable of adjusting the height of the object stage and an adjustment mechanism capable of adjusting the horizontal and vertical positions of the object stage, which are related to the prior art and will not be described in detail. The ram 110 is installed above the machine table 100 with its head facing the stage.
A method of testing using a microhardness tester, comprising:
Step 10, firstly, installing an object stage on a machine table 100; as shown in fig. 1, the square table 120 on the machine 100 is inserted into the locking groove 23 on the base, and the base 20 is fixed on the machine 100 by the screw-connection between the bolt and the bolt hole, so as to complete the installation of the object stage and the machine 100.
step 20, placing the arc part 10 on the top surface of the rotating table 30 and between the positioning portion 50 and the clamping portion 60, moving the arc part 10 to make the arc surface 11 coincide with one of the arc scale lines 31, positioning the positioning portion 50 against the arc surface 11, and finally moving the clamping portion 60 to the straight plane 12 to make the arc part 10 clamped between the positioning portion 50 and the clamping portion 60 and arranged concentrically with the rotating table 30. Specifically, taking fig. 4 as an example, the arc part 10 adopts an inward concave arc surface, and when the arc surface 11 of the arc part coincides with one of the arc scale lines 31, the positioning screw 53 is rotated to drive the positioning slider 54 and the positioning portion 50 to move along the guide groove 33 toward the arc part 10 under the guiding cooperation of the positioning guide block 51 and the guide groove 33 until the top end of the positioning portion 50 contacts with the arc surface 11 of the arc part; then, the clamping screw 63 is rotated to drive the clamping slide block 64 and the clamping portion 60 to move towards the arc part 10 along the guide groove 33 under the guiding coordination of the clamping guide block 61 and the guide groove 33 until the end surface of the clamping portion 60 is attached to and clamped on the straight plane 12 of the arc part, so that the arc part 10 can be fixed relative to the rotating table 30 under the clamping action of the positioning portion 50 and the clamping portion 60 and always keeps concentric arrangement with the rotating table 30;
step 30, moving the objective table to enable the pressure head 110 to correspond to a first microhardness measuring point 13 on the top surface of the arc part 10, and then measuring the first microhardness measuring point 13; specifically, the transverse and longitudinal adjusting mechanisms drive the whole objective table to move in the X direction and the Y direction, so that the indenter 110 corresponds to the microhardness measuring point at the leftmost side or the rightmost side of the top surface of the arc part 10, and the measuring point is taken as a first microhardness measuring point 13;
step 40, after the microhardness value of the first microhardness measuring point 13 is measured, the indexing and indexing mechanism drives the rotating table 30 to rotate so that the pressure head 110 corresponds to a second microhardness measuring point which is positioned on the same arc line as the first microhardness measuring point, and then the second microhardness measuring point is measured;
And step 50, repeating the step 40 to measure a plurality of microhardness measuring points on the same arc line so as to obtain hardness distribution data of the same arc line of the arc part 10.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (12)
1. A objective table for circular arc part hardness detects, circular arc part have the circular arc face and the straight plane of back of the body arranging, its characterized in that: the objective table includes:
A base;
The top surface of the rotating platform is provided with circular arc scale marks which are concentrically arranged with the rotating platform;
The positioning mechanism is arranged on the rotating table and comprises a positioning part for positioning the arc surface, and the positioning part can move along the radius direction of the rotating table;
The clamping mechanism is arranged on the rotating table and comprises a clamping part which has a clamping effect on the straight plane, and the clamping part is arranged opposite to the positioning part and can move along the same linear direction with the movement track of the positioning part;
When the arc part is placed between the positioning part and the clamping part, the arc part is moved firstly to enable the arc surface of the arc part to coincide with one of the arc scale lines, then the positioning part is abutted against the arc surface for positioning, and finally the clamping part is moved to the straight plane to enable the arc part to be clamped between the positioning part and the clamping part and to be arranged concentrically with the rotating table.
2. The object stage for detecting the hardness of the arc part according to claim 1, wherein: the arc scale lines are provided with a plurality of lines and are arranged at intervals along the length direction of the radius of the rotating table.
3. The object stage for detecting the hardness of the arc part according to claim 2, wherein: the top surface of the rotating table is provided with a guide groove extending along the length direction of the radius of the rotating table, and the guide groove and the circular arc scale mark are adjacently arranged or are in close contact or are intersected; the positioning mechanism is also provided with a positioning guide block which can be in guide fit with the guide groove, and the positioning guide block is in guide fit with the guide groove to drive the positioning part to move along the guide groove.
4. The object stage for detecting the hardness of the arc part according to claim 3, wherein: the clamping mechanism is also provided with a clamping guide block which can be in guide fit with the guide groove, and the clamping portion is driven to move along the guide groove through the guide fit of the guide groove and the clamping guide block.
5. the object stage for detecting the hardness of the arc part according to claim 2, wherein: the arc surface of the arc part is an outward convex arc surface, and the positioning part and the clamping part are arranged at intervals along the outer side and the inner side of the circle center of the rotating table.
6. The object stage for detecting the hardness of the arc part according to claim 2, wherein: the arc surface of the arc part is an inward concave arc surface, and the positioning part and the clamping part are arranged at intervals inside and outside the circle center of the rotating table.
7. The object stage for detecting the hardness of the arc part according to claim 4, wherein: the positioning mechanism further comprises a positioning nut seat, a positioning screw rod and a positioning sliding block, the positioning nut seat is fixedly installed on the top surface of the rotating table, the positioning screw rod penetrates through the positioning nut seat and extends towards the length direction of the guide groove, the positioning sliding block is in empty sleeve fit with the positioning screw rod, the positioning guide block is connected to the bottom end of the positioning sliding block, and the positioning portion is connected to the end face, facing the clamping portion, of the positioning sliding block.
8. The object stage for detecting the hardness of the arc part according to claim 7, wherein: the number of the positioning parts is two, and the two positioning parts are arranged at intervals by taking the positioning screw rods as centers.
9. The object stage for detecting the hardness of the arc part according to claim 4, wherein: the clamping mechanism further comprises a clamping nut seat, a clamping screw and a clamping sliding block, the clamping nut seat is fixedly connected to the top surface of the rotating table, the clamping screw penetrates through the clamping nut seat and extends towards the length direction of the guide groove, the clamping sliding block is in empty sleeve fit with the clamping screw, the clamping guide block is connected to the bottom end of the clamping sliding block, and the clamping portion is connected to the end face, facing the positioning portion, of the clamping sliding block.
10. The object stage for detecting the hardness of the arc part according to claim 9, wherein: the number of the clamping parts is one, and the clamping parts are positioned at the center of the clamping slide block.
11. The object stage for detecting the hardness of the arc part according to claim 4, wherein: the indexing mechanism is arranged on the base and comprises a stepping motor, a worm and a worm wheel, the worm is in transmission connection with the stepping motor, the worm wheel is rotatably connected to the base in a transmission connection mode and is connected with the rotating table, and the worm wheel and the rotating table are arranged concentrically.
12. a microhardness meter using the stage of any one of claims 1 to 11, wherein: the microhardness tester comprises a machine table and a pressure head, wherein the object table is movably arranged on the machine table, and the pressure head corresponds to the top surface of the rotating table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250095.0U CN209746263U (en) | 2019-02-27 | 2019-02-27 | object stage and microhardness meter for detecting hardness of arc part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250095.0U CN209746263U (en) | 2019-02-27 | 2019-02-27 | object stage and microhardness meter for detecting hardness of arc part |
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| Publication Number | Publication Date |
|---|---|
| CN209746263U true CN209746263U (en) | 2019-12-06 |
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| CN201920250095.0U Expired - Fee Related CN209746263U (en) | 2019-02-27 | 2019-02-27 | object stage and microhardness meter for detecting hardness of arc part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870793A (en) * | 2019-02-27 | 2019-06-11 | 集美大学 | Objective table, microhardness testers and detection method for the detection of circular arc part hardness |
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2019
- 2019-02-27 CN CN201920250095.0U patent/CN209746263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870793A (en) * | 2019-02-27 | 2019-06-11 | 集美大学 | Objective table, microhardness testers and detection method for the detection of circular arc part hardness |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |