CN103921172A - Centering method of guide die plate and centering assembly thereof - Google Patents
Centering method of guide die plate and centering assembly thereof Download PDFInfo
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- CN103921172A CN103921172A CN201410190195.0A CN201410190195A CN103921172A CN 103921172 A CN103921172 A CN 103921172A CN 201410190195 A CN201410190195 A CN 201410190195A CN 103921172 A CN103921172 A CN 103921172A
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- inspection rod
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- 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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Abstract
The invention discloses a centering method of a guide die plate and a centering assembly thereof. The guide die plate is provided with a guide sleeve installation hole. The centering method includes the following steps that (1) a standard workpiece is provided, and the inner side face of the standard workpiece is provided with a workpiece check bar hole matched with the guide sleeve installation hole; (2) a rough check bar is provided, the large end of the rough check bar penetrates through the guide sleeve installation hole, and the position of the guide die plate is adjusted so that the small end and the middle section of the rough check bar can sequentially penetrate through the workpiece check bar for rough centering; (3) a fine check bar and a workpiece check bar are provided, the small end of the fine check bar is provided with a lever dial indicator, the large end of the fine check bar penetrates through the guide sleeve installation hole, the large end of the workpiece check bar is arranged in the workpiece check bar hole, the uppermost bus, the frontmost bus and coaxiality errors of the small end of the workpiece check bar are detected through the lever dial indictor, and the position of the guide die plate is adjusted according to the errors for precise centering. By means of the method, the guide die plate can be centered on site and operation is convenient to achieve.
Description
Technical field
The present invention relates to machine tool field, particularly a kind of aligning method of guiding die plate and centering assembly thereof.
Background technology
In machine tooling, the guiding die plate of process tool need to be installed on the base of lathe, and the upper processing director elements such as drill bushing, bushing of installing of guiding die plate (abbreviation template), in the time of installation form, centering required precision to template is very high, otherwise can cause processing defective.At present, the multiplex following two kinds of methods of installation form: the 1. base of lathe, template are transported to machine room, detect coordinate, the depth of parallelism (perpendicularity) deviation between alignment pin and template bottom outlet with three coordinate machine, according to deviation adjusting template position until meet the requirements, then lathe is transported back to workshop trial cut, detection, adjusted, so cycling until process qualified, finally equipped Template Location pin; 2. lathe headstock, template are adjusted coaxially, are slightly arranged on lathe, then trial cut, detection, adjustment (adjustment mobile main spindle box and template simultaneously), so cycling until process qualified, finally equipped guiding die plate alignment pin.
Above method needs large-scale precision three-dimensional checkout equipment and sufficient debug time, especially, while arriving the coordinate between three coordinate machine detection and location pin and template bottom outlet when the new improvement and installation template of needs and without the condition of being applicable to, just need to repeatedly debug, adjust the position height of the elements such as repair lathe headstock, template, alignment pin, locating piece etc., complicated operation, large, the consuming time length of workload, poor effect.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, and a kind of aligning method and centering assembly thereof of guiding die plate is provided, and can on-the-spot carry out centering to guiding die plate, and instrument is simple, easy to operate, has improved debugging efficiency.
For achieving the above object, the invention provides a kind of aligning method of guiding die plate, the method is for being accurately arranged on guiding die plate the base of lathe, this guiding die plate is provided with fairlead installing hole, it is characterized in that, this aligning method comprises the steps: step 1, a kind of standard workpiece is provided and is arranged on the base of lathe, on the medial surface of standard workpiece, have workpiece and examine excellent hole, workpiece is examined excellent hole and is mated with fairlead installing hole; Step 2, a kind of Rough Inspection rod is provided, and Rough Inspection rod has large end, small end and interlude, by the large end of Rough Inspection rod through fairlead installing hole, adjust guiding die plate position and make the small end of Rough Inspection rod and interlude penetrate successively workpiece to examine excellent hole and carry out rough alignment, and take out Rough Inspection rod; Step 3, a kind of essence inspection rod and workpiece inspection rod are provided, essence inspection rod has the large end of essence inspection rod and the excellent small end of essence inspection, workpiece inspection rod has the large end of workpiece inspection rod and workpiece is examined excellent small end, examine on excellent small end lever indicator is installed in essence, essence inspection rod is held through fairlead installing hole greatly, packing the large end of workpiece inspection rod into workpiece examines in excellent hole, utilize lever indicator to detect workpiece and examine the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error and adjust guiding die plate position and carry out accurate centering, and unload essence inspection rod and workpiece inspection rod.
In technique scheme, the medial surface of standard workpiece is provided with two workpiece and examines excellent hole, two fairlead installing holes that two workpiece are examined on excellent hole and guiding die plate adapt, repeating step 2 and 3, examine to being arranged on another workpiece that workpiece in excellent hole is examined the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error detects, according to this error correction guiding die plate position.
In technique scheme, examine in essence and on the end face of excellent small end, be provided with that two lever indicators are examined the top side of excellent small end or lower side bus error, front side or last side bus error to workpiece and coaxiality error detects simultaneously.
In technique scheme, the cylindricity franchise of Rough Inspection rod is 0.03mm, the diameter of the large end of Rough Inspection rod is than the little 0.02mm of the diameter of fairlead installing hole, the diameter of the small end of Rough Inspection rod is examined the little 0.5mm of diameter in excellent hole than workpiece, the diameter of the interlude of Rough Inspection rod is examined the little 0.1mm of diameter in excellent hole than workpiece.
In technique scheme, the excellent cylindricity franchise of essence inspection is 0.01mm, and the diameter of the large end of essence inspection rod is than the little 0.002-0.005mm of the diameter of fairlead installing hole.
In technique scheme, it is the gathering sill of 90 ° that the large end of essence inspection rod is provided with two place's angles, and at the dismountable guide plate that is provided with in the back side of guiding die plate, the lower end of guide plate is inserted in gathering sill and carried out circumferentially spacing to essence inspection rod.
The present invention also provides a kind of centering assembly of guiding die plate, it is for being accurately arranged on guiding die plate the base of lathe, this guiding die plate is provided with fairlead installing hole, centering assembly comprises: standard workpiece, on its medial surface, have workpiece and examine excellent hole, workpiece is examined excellent hole and is mated with fairlead installing hole; Rough Inspection rod, it has large end, small end and interlude, and the large end of Rough Inspection rod is used for mating with fairlead installing hole, and the small end of Rough Inspection rod and interlude are used for penetrating successively workpiece and examine excellent hole and carry out rough alignment; Essence inspection rod, it has the large end of essence inspection rod and the excellent small end of essence inspection, and the large end of essence inspection rod is used for mating with fairlead installing hole, on the excellent small end of essence inspection, lever indicator is installed; And workpiece inspection rod, it has the large end of workpiece inspection rod and workpiece is examined excellent small end, the large end of workpiece inspection rod is used for examining excellent hole with workpiece and mates, lever indicator is used for detecting workpiece and examines the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error, and adjusts guiding die plate position according to this error.
In technique scheme, the medial surface of standard workpiece is provided with two workpiece and examines excellent hole, and two fairlead installing holes that two workpiece are examined on excellent hole and guiding die plate adapt.
In technique scheme, two lever indicators are installed on the end face of the excellent small end of essence inspection and are used for detecting workpiece simultaneously and examine the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error.
Compared with prior art, the present invention has following beneficial effect: the workpiece inspection rod mating by design standard workpiece, with standard workpiece and thick essence inspection rod carry out rough and accurate two step centerings, can carry out centering to guiding die plate at the scene, instrument is simple, easy to operate.Especially, efficiently solving new transformation template, to debug at the scene the degree of accuracy not high, and the shortcoming that debug time is long is easy and simple to handle, has improved debugging efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram that detects top side bus in guiding die plate aligning method of the present invention;
Fig. 2 is the schematic diagram with Rough Inspection rod rough alignment guiding die plate in guiding die plate aligning method of the present invention;
Fig. 3 is the main TV structure schematic diagram of Plays workpiece of the present invention;
Fig. 4 is the left TV structure schematic diagram of Plays workpiece of the present invention;
Fig. 5 is the main TV structure schematic diagram of guiding die plate in the present invention;
Fig. 6 is the left TV structure schematic diagram of guiding die plate in the present invention;
Fig. 7 is the structural representation of Rough Inspection rod in the present invention;
Fig. 8 is the excellent structural representation of essence inspection in the present invention;
Fig. 9 is that in the present invention, schematic diagram is looked on the excellent left side of essence inspection;
Figure 10 be in Fig. 8 along A to schematic diagram;
Figure 11 is that in the present invention, workpiece is examined excellent structural representation;
Figure 12 is the cross-sectional schematic of guide plate in the present invention;
Figure 13 is the structural representation of guide plate in the present invention;
Figure 14 detects the schematic diagram of front side bus in guiding die plate aligning method of the present invention;
Figure 15 detects top side bus and the schematic diagram of front side bus simultaneously in guiding die plate aligning method of the present invention;
Figure 16 is the schematic diagram that detects axiality in guiding die plate aligning method of the present invention.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-guiding die plate, 11-guide plate screw, 12-fairlead installing hole, 15-guide plate screw, 16-base, 2-essence inspection rod, 21-gathering sill, the fastening screw of 22-, 23-installs inclined hole, the excellent small end of 24-essence inspection, the large end of 25-essence inspection rod, the excellent annular knurl of 26-essence inspection, 3-lever indicator, 31-installs axle, 32-dial plate, 33-spheric probe, 4-workpiece inspection rod, 41-drawing screw, the flat plane of 42-, the large end of 43-workpiece inspection rod, 44-workpiece is examined excellent small end, 5-standard workpiece, 51-workpiece is examined excellent hole, 52-workpiece dowel hole, 6-locating piece, 7-alignment pin, 8-Rough Inspection rod, 81-Rough Inspection rod annular knurl, the large end of 82-, 83-interlude, 84-small end, 9-trip bolt, 10-guide plate, 101-elongated slot.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of detailed description of the invention.
As shown in Figure 1 to Figure 2, the aligning method of guiding die plate provided by the invention is for being accurately arranged on guiding die plate the base of lathe, and this guiding die plate is provided with fairlead installing hole, and this aligning method comprises the steps:
Step 1, provides a kind of standard workpiece 5 and is arranged on the base 16 of lathe, has workpiece and examine excellent hole 51 on the medial surface of standard workpiece 5, and workpiece is examined excellent hole 51 and mated with fairlead installing hole 12;
Step 2, a kind of Rough Inspection rod 8 is provided, Rough Inspection rod 8 has large end 82, small end 84 and interlude 83, the large end of Rough Inspection rod 8 82 is passed to fairlead installing hole 12, adjust guiding die plate 1 position and make the small end 84 of Rough Inspection rod 8 and interlude 83 penetrate successively workpiece to examine excellent hole 51 and carry out rough alignment, and take out Rough Inspection rod 8;
Step 3, a kind of essence inspection rod 2 and workpiece inspection rod 4 are provided, essence inspection rod 2 has the large end 25 of essence inspection rod and the excellent small end 24 of essence inspection, workpiece inspection rod 4 has the large end 43 of workpiece inspection rod and workpiece is examined excellent small end 44, examine on excellent small end 44 and be provided with lever indicator 3 in essence, large essence inspection rod end 25 is passed to fairlead installing hole 12, packing the large end 43 of workpiece inspection rod into workpiece examines in excellent hole 51, utilize lever indicator 3 to detect workpiece to examine top side or the lower side bus error of excellent small end 44, front side or last side bus error and coaxiality error are also adjusted guiding die plate 1 position according to this error and are carried out accurate centering, and unload essence and examine rod 2 and workpiece inspection rod 4.
Finally, the guiding die plate of accurate centering position is fixed on the base 16 of lathe.
As a kind of preferred embodiment, on the medial surface of standard workpiece 5, be provided with two workpiece and examine excellent hole, two fairlead installing holes that two workpiece are examined on excellent hole and guiding die plate 1 adapt, repeating step 2 and 3, another workpiece is examined to top side or the lower side bus error in excellent hole 51, front side or last side bus error and coaxiality error detect, the amount of deflection in comprehensive two holes is adjusted guiding die plate 1, make top side or the lower side bus error in two holes, front side or last side bus error and coaxiality deviation are in 40:0.01mm, coaxiality deviation is in 0.05mm, finally complete accurate centering guiding die plate position.The present embodiment carries out measuring object with top side bus error, the most front side bus error and coaxiality error and describes.
In the guiding die plate centering process that the present embodiment provides, specifically use a kind of centering assembly, centering assembly comprises: standard workpiece 5, Rough Inspection rod 8, essence inspection rod 2, workpiece inspection rod 4 and lever indicator 3.
Wherein, as shown in Figures 3 and 4, standard workpiece 5 and treat that centering guiding die plate 1 is corresponding with specific product, standard workpiece 5 is specifically processed according to technological requirement, workpiece on standard workpiece 5 is examined excellent hole 51 and is mated with treating the fairlead installing hole 12 on centering guiding die plate, it is work in-process hearts by corresponding coordinate right boring processing that workpiece is examined excellent hole 51, and workpiece is examined excellent hole 51 and in the situation that ensureing position degree, can be carried out reaming processing and be used for coordinating with workpiece inspection rod 4.The position degree franchise that workpiece is examined excellent hole 51 is Φ 0.05mm, and its axis is 0.01mm to dowel hole line depth of parallelism franchise.Be provided with workpiece dowel hole 52 in the bottom surface of standard workpiece 5, workpiece dowel hole 52 mates with the alignment pin 7 on base 16, placement positioning piece 6 on base 16 (all locating pieces 6 need polish contour), standard workpiece 5 is placed on locating piece 6 and workpiece dowel hole 52 and alignment pin 7 are got minimum clearance and coordinated (for improving positioning precision), like this, standard workpiece 5 is installed and is clamped on base 16.
As shown in Figures 5 and 6, it is suitable that the fairlead installing hole 12 on guiding die plate 1 and workpiece are examined excellent hole 51 coordinates, and its position degree franchise is Φ 0.05mm, and its axis is 0.01mm to dowel hole line depth of parallelism franchise.Above fairlead installing hole 12, process guide plate screw 11 (also can use gland screw hole).
As shown in Figure 7, Rough Inspection rod 8 cylindricity franchises are 0.03mm, large end 82 diameters of Rough Inspection rod are than the little 0.02mm of fairlead installing hole 12 diameter, Rough Inspection rod 8 is through can flexible rotating after fairlead installing hole 12, small end 84 diameters of Rough Inspection rod are examined the little 0.5mm of diameter in excellent hole 51 than workpiece, easily penetrating workpiece examines in excellent hole 51 and is convenient to preliminary centering, adjustment guiding die plate position makes the small end 84 of Rough Inspection rod penetrate workpiece and examines excellent hole 51, carry out again same operation, make the interlude 83 of Rough Inspection rod penetrate workpiece and examine excellent hole 51, get final product rough alignment guiding die plate position, the diameter of Rough Inspection rod interlude 83 is examined the little 0.1mm of diameter in excellent hole 51 than workpiece, now centering precision is 0.12mm.Rough Inspection rod annular knurl 81 is convenient to the hand-held operation that screws.
As shown in Fig. 8, Fig. 9 and Figure 10, it is 0.01mm that essence is examined to excellent 2 cylindricity franchises, the diameter of the large end 25 of essence inspection rod is than the little 0.002-0.005mm of the diameter of fairlead installing hole 12, can obtain higher accuracy of detection, on the large end 25 of essence inspection rod, having two place's angles is the gathering sill 21 of 90 °, guide plate 10 width are than the little 0.01mm of gathering sill 21 width, guide plate is put into gathering sill 21, then tighten the fastening guide plate 10 of guide plate screw 15, essence inspection rod 2 can only be moved axially and can not rotate, reducing and detect error; Lever indicator 3 is installed in the installation inclined hole 23 of the lever indicator that axle 31 packs excellent small end 24 end faces of essence inspection into, trip bolt 9 is tightened lever indicator 3 by fastening screw 22, adjust spheric probe 33 and examine excellent small end 44 bus places, top side in workpiece, installation inclined hole 23 axis of lever indicator favour horizontal line, so that its main body and workpiece are examined between excellent small end 44 and had and enough dodge space after lever indicator 3 packs into, can detect the bus amount of deflection of sufficient length.For raising the efficiency, on excellent small end 24 end faces of essence inspection, having two place's angles is the installation inclined hole 23 of the lever indicator of 90 °, can fill two lever indicators 3 and detect top side bus error and the most front side bus error (referring to Figure 15) simultaneously.The excellent annular knurl 26 of essence inspection is convenient to the hand-held operation that screws.
As shown in Fig. 1 and Figure 14, in the time of concrete detection top side bus error and the most front side bus error, workpiece inspection rod 4 is packed into workpiece to be examined in excellent hole 51, the large end 43 of workpiece inspection rod and workpiece are examined the tight fit for magnitude of interference 0.02mm between excellent hole 51, and drawing screw 41 and flat plane 42 are convenient to dismounting and spanner screws operation (referring to Figure 11).The direction of arrow moves essence inspection rod 2 as shown in Figure 1, and dial plate 32 pointer changing values are top side bus deviation.Then, referring to Fig. 1, unclamp guide plate screw 15, along elongated slot 101 (referring to Figure 12 and Figure 13) the direction guide plate 10 that moves up, 90 ° of rotation essence inspection rods, by the same method the most front side bus of detection (referring to Figure 14).If the top side bus deviation detecting is larger, can readjust the height of locating piece 6; If the most front side bus deviation detecting is large, the position of corresponding adjustment guiding die plate 1 (horizontal shifting or swing), top side bus or the most front side bus franchise are 40:0.01mm.
As shown in figure 16, in the time of concrete detection axiality, essence inspection rod 2 is rotated a circle, dial plate 32 pointer changing values are coaxiality deviation, if coaxiality deviation is large, the position of corresponding adjustment guiding die plate 1 (horizontal shifting or swing), axiality franchise is 0.05mm.
In a word, the workpiece inspection rod 4 mating by design standard workpiece 5, with standard workpiece 5 and thick essence inspection rod carry out rough and accurate centering, can carry out centering to guiding die plate at the scene, and instrument is simple, easy to operate.
Especially, the aligning method of guiding die plate of the present invention and centering assembly thereof efficiently solve new transformation template to debug at the scene the degree of accuracy not high, and the shortcoming that debug time is long is easy and simple to handle, has improved debugging efficiency.
Disclosed is above only specific embodiments of the invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (9)
1. an aligning method for guiding die plate, the method is for being accurately arranged on guiding die plate the base of lathe, and this guiding die plate is provided with fairlead installing hole, it is characterized in that, and this aligning method comprises the steps:
Step 1, provides a kind of standard workpiece and is arranged on the base of lathe, has workpiece and examine excellent hole on the medial surface of described standard workpiece, and described workpiece is examined excellent hole and mated with described fairlead installing hole;
Step 2, a kind of Rough Inspection rod is provided, described Rough Inspection rod has large end, small end and interlude, by the large end of described Rough Inspection rod through fairlead installing hole, adjust guiding die plate position and make the small end of described Rough Inspection rod and interlude penetrate successively described workpiece to examine excellent hole and carry out rough alignment, and take out described Rough Inspection rod;
Step 3, a kind of essence inspection rod and workpiece inspection rod are provided, described essence inspection rod has the large end of essence inspection rod and the excellent small end of essence inspection, described workpiece inspection rod has the large end of workpiece inspection rod and workpiece is examined excellent small end, on the excellent small end of described essence inspection, lever indicator is installed, described essence inspection rod is held through described fairlead installing hole greatly, packing the large end of described workpiece inspection rod into described workpiece examines in excellent hole, utilize described lever indicator to detect described workpiece to examine top side or the lower side bus error of excellent small end, front side or last side bus error and coaxiality error are adjusted described guiding die plate position and are carried out accurate centering, and it is excellent to unload the excellent and described workpiece inspection of described essence inspection.
2. the aligning method of guiding die plate according to claim 1, it is characterized in that, the medial surface of described standard workpiece is provided with two workpiece and examines excellent hole, two fairlead installing holes that two workpiece are examined on excellent hole and described guiding die plate adapt, repeating said steps 2 and 3, examine to being arranged on another workpiece that workpiece in excellent hole is examined the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error detects, according to this error correction guiding die plate position.
3. the aligning method of guiding die plate according to claim 1, it is characterized in that, on the end face of the excellent small end of described essence inspection, be provided with that two lever indicators are examined the top side of excellent small end or lower side bus error, front side or last side bus error to described workpiece and coaxiality error detects simultaneously.
4. according to the aligning method of the guiding die plate described in claims 1 to 3 any one, it is characterized in that, the cylindricity franchise of described Rough Inspection rod is 0.03mm, the diameter of the large end of described Rough Inspection rod is than the little 0.02mm of the diameter of described fairlead installing hole, the diameter of the small end of described Rough Inspection rod is examined the little 0.5mm of diameter in excellent hole than described workpiece, the diameter of the interlude of described Rough Inspection rod is examined the little 0.1mm of diameter in excellent hole than described workpiece.
5. the aligning method of guiding die plate according to claim 4, is characterized in that, the excellent cylindricity franchise of described essence inspection is 0.01mm, and the diameter of the large end of described essence inspection rod is than the little 0.002-0.005mm of the diameter of described fairlead installing hole.
6. the aligning method of guiding die plate according to claim 5, it is characterized in that, it is the gathering sill of 90 ° that the large end of described essence inspection rod is provided with two place's angles, at the dismountable guide plate that is provided with in the back side of described guiding die plate, the lower end of described guide plate is inserted in described gathering sill and is carried out circumferentially spacing to described essence inspection rod.
7. a centering assembly for guiding die plate, it is for being accurately arranged on guiding die plate the base of lathe, and this guiding die plate is provided with fairlead installing hole, it is characterized in that, and described centering assembly comprises:
Standard workpiece, has workpiece and examines excellent hole on its medial surface, described workpiece is examined excellent hole and mated with described fairlead installing hole;
Rough Inspection rod, it has large end, small end and interlude, and the large end of described Rough Inspection rod is used for mating with described fairlead installing hole, and the small end of described Rough Inspection rod and interlude are used for penetrating successively described workpiece and examine excellent hole and carry out rough alignment;
Essence inspection rod, it has the large end of essence inspection rod and the excellent small end of essence inspection, and the large end of described essence inspection rod is used for mating with described fairlead installing hole, on the excellent small end of described essence inspection, lever indicator is installed; And
Workpiece inspection rod, it has the large end of workpiece inspection rod and workpiece is examined excellent small end, the large end of described workpiece inspection rod is used for examining excellent hole with described workpiece and mates, described lever indicator is used for detecting described workpiece and examines the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error, and adjusts described guiding die plate position according to this error.
8. the centering assembly of guiding die plate according to claim 7, is characterized in that, the medial surface of described standard workpiece is provided with two workpiece and examines excellent hole, and two fairlead installing holes that two workpiece are examined on excellent hole and described guiding die plate adapt.
9. the centering assembly of guiding die plate according to claim 8, it is characterized in that, two lever indicators are installed on the end face of the excellent small end of described essence inspection and are used for detecting described workpiece simultaneously and examine the top side of excellent small end or lower side bus error, front side or last side bus error and coaxiality error.
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| CN201410190195.0A CN103921172B (en) | 2014-05-07 | 2014-05-07 | The aligning method of guiding die plate and centering assembly thereof |
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| CN201410190195.0A CN103921172B (en) | 2014-05-07 | 2014-05-07 | The aligning method of guiding die plate and centering assembly thereof |
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| CN115647932A (en) * | 2022-11-02 | 2023-01-31 | 湖北工业大学 | Method for controlling mounting precision of detachable milling head |
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| CN103921172B (en) | 2016-06-29 |
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