CN102207420B - Device and method for testing static and dynamic properties of joint face of main shaft and shank - Google Patents
Device and method for testing static and dynamic properties of joint face of main shaft and shank Download PDFInfo
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- CN102207420B CN102207420B CN201110061668A CN201110061668A CN102207420B CN 102207420 B CN102207420 B CN 102207420B CN 201110061668 A CN201110061668 A CN 201110061668A CN 201110061668 A CN201110061668 A CN 201110061668A CN 102207420 B CN102207420 B CN 102207420B
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Abstract
The invention provides a device for testing static and dynamic properties of a joint face of a main shaft and a shank, which comprises: a workbench, a bracket arranged above the workbench and capable of being used for hoisting a test piece, a joint part assembly of a main shaft taper sleeve and the shank, and an axial loader connected, wherein the joint part assembly is arranged in the workbench and capable of implementing the replacement of a plurality of joint face forms; one end of the main shaft taper sleeve clamps the shank; and the axial loader connected with the shank-clamping main shaft taper sleeve via a blind rivet and a pulling claw in order to apply a load in the direction of the cone axis of the joint face to the joint face of the main shaft and the shank. The invention further provides a method for testing static and dynamic properties of a taper joint face. Different joint part assemblies can be selected by using the test device, and in the embodiment of the invention, the rule of the influence of different materials, broach force, contact form, taper surface hardness, surface contact precision and other factors on the rigidity and damping of the joint face of the main shaft and the shank can be tested so as to accurately obtain static and dynamic properties of the joint face of the main shaft and the shank.
Description
Technical field
The present invention relates to the machine tool capability technical field of measurement and test, quiet dynamic characteristic test device of particularly a kind of main shaft and handle of a knife faying face and test method.
Background technology
Behind the axis system mounting cutter,, therefore, just make handle of a knife and main shaft tapered sleeve combine closely axially applying certain pulling force through the broaching tool system because the conical surface axially having certain position-limiting action.Simultaneously in cutting process, have enough rigidity to guarantee the precision of processing work between handle of a knife and main shaft tapered sleeve in order to guarantee, therefore the dynamics of research between handle of a knife and main shaft tapered sleeve seems particularly important.The quiet dynamic perfromance of faying face and the acting force between faying face have confidential relation.In order to obtain the Changing Pattern of the quiet dynamic perfromance of faying face with contact conditions, the quiet dynamic perfromance that faying face showed when axial loading of research and tangential loaded respectively.Because the pretightning force of the dynamics of tapering faying face and faying face, physical dimension, conical surface hardness, surperficial contact precision etc. have close getting in touch, so its comprehensive mechanical characteristic that shows under the different combination conditions more than the considered.Obtain main shaft tapered sleeve and the comprehensive mechanical characteristic of handle of a knife faying face the mechanical characteristic of studying the main shaft of numerical control machine tool system is had important effect.
Summary of the invention
The object of the invention is intended to solve above-mentioned technological deficiency at least, the present invention proposes quiet dynamic characteristic test device of a kind of main shaft and handle of a knife faying face and test method.
For achieving the above object, one aspect of the present invention proposes a kind of main shaft and the quiet dynamic characteristic test device of handle of a knife faying face, comprising: worktable; Being arranged at can be used on the said worktable lifts the support of test specimen; Be arranged on and realize the main shaft tapered sleeve that multiple faying face form is changed and the subassembly of cutter handle combining part among the said worktable, wherein, the said handle of a knife of an end clamping of said main shaft tapered sleeve; With axial loader, said axial loader links to each other to apply along the loading of faying face circular cone direction of axis line to said handle of a knife with said main shaft tapered sleeve.
In one embodiment of the invention, also comprise: the radial loaded device, said radially assistor contacts with said handle of a knife, and applies the loading perpendicular to faying face circular cone direction of axis line to said handle of a knife.
In one embodiment of the invention, also comprise: be arranged on the said support and with the homoaxial vibrator of said handle of a knife, be used for applying dynamic exciting to test specimen.
In one embodiment of the invention, said radial loaded device comprises: be arranged on the back-up block on the said worktable; With the radially assistor that is supported by said back-up block, said radially assistor applies the loading perpendicular to faying face circular cone direction of axis line to said handle of a knife.
In one embodiment of the invention, said axial loader comprises: blind rivet, the said blind rivet of other end clamping of said main shaft tapered sleeve; Pull bar, said pull bar links to each other with said blind rivet; Worm gear, said worm gear set are connected on the said pull bar; The worm screw that is complementary with said worm gear; The universal shaft that links to each other with said worm screw; With the handwheel that links to each other with said universal shaft.
In one embodiment of the invention, said universal shaft is scalable universal shaft.
In one embodiment of the invention, said axial loader also comprises: the guide pole that links to each other with an end of said pull bar.
In one embodiment of the invention, said axial loader also comprises: the limited block that matches with said guide pole is to carry out guide and limit to said guide pole.
In one embodiment of the invention, said axial loader also comprises: be socketed in the dish spring outside the said pull bar.
In one embodiment of the invention, said worm gear and worm screw are arranged in the gear case.
In one embodiment of the invention, also comprise: the force transducer that is arranged on dish spring upper end.
In one embodiment of the invention, the combining form of said main shaft handle of a knife comprises BT40 type, BT50 type, BT60 type, HSK63 type, HSK100 type.
In one embodiment of the invention, when said main shaft is HSK63 type or HSK100 type main shaft, also comprise the pulling claw that cooperates with said blind rivet.
The invention allows for a kind of employing as stated test unit carry out the test method of main shaft and the quiet dynamic perfromance of handle of a knife faying face, may further comprise the steps: worktable is installed and be fixed to the main shaft tapered sleeve; On carry guide pole and blind rivet is installed and handle of a knife to pull bar, unclamp said guide pole and said main shaft tapered sleeve and said handle of a knife combined closely; With select according to the experiment needs radial loaded device and/or axially loader load making an experiment, and according to the test result analysis that makes an experiment.
In one embodiment of the invention; Wherein, When carrying out quiet stiffness test, specifically comprise: said radial loaded device is fixed in said worktable, and makes the push rod end face of said radial loaded device when initial position parallel with said handle of a knife top one side plane and keep in touch; With displacement measurement equipment is adsorbed on the said main shaft tapered sleeve through the magnetic force frame, and said displacement measurement equipment is contacted with said handle of a knife one side plane, and guarantees that the displacement measurement direction is consistent with the power loading direction.
In one embodiment of the invention, also comprise: debug said axial loading system, so that broach force reaches in the faying face test-types requirement standard value range; Debug said radially assistor and said displacement measurement equipment; After the prestrain unloading, the said handle of a knife of record is with respect to the change in displacement situation of said main shaft tapered sleeve under the situation of uniformly-spaced radially exerting all one's strength; With change said axial broach force, and repeat above step, to obtain the quiet rigidity of said handle of a knife and said main shaft faying face under the different broach forces.
In one embodiment of the invention, wherein, when carrying out dynamic test, specifically comprise: debug said axial loading system, so that broach force reaches in the faying face test-types requirement standard value range; According to the dynamically equivalent model of structure, obtain the vibration signal of said main shaft tapered sleeve and said handle of a knife behind the exciting respectively through the multi-channel data acquisition device, and through respective algorithms calculations incorporated face parameter; Obtain the dynamic stiffness and the damping value of said faying face; With the axial broach force of change, repeat above step, to obtain the dynamic Characteristic Data of different broach force lower main axis handle of a knife faying faces.
The test unit of the embodiment of the invention is used to test and analyze the quiet dynamic quiet dynamic perfromance of the tapering faying face between main shaft and handle of a knife; Can study the influence rule of factors such as different materials, broach force, contact form, conical surface hardness, surperficial contact precision, thereby also provide support for its performance simulation in order to the axis system of analysis and optimization numerically-controlled machine to main shaft handle of a knife faying face rigidity and damping.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously with easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the BT40 type main shaft and the quiet dynamic characteristic test device of the handle of a knife faying face sectional view of the embodiment of the invention;
Fig. 2 a is the BT50 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention;
Fig. 2 b is the BT60 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention;
Fig. 2 c is the HSK63 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention;
Fig. 2 d is the HSK100 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention;
Fig. 3 is the main shaft and the quiet dynamic characteristic test device of the handle of a knife faying face left view of the embodiment of the invention;
Fig. 4 is axonometric drawings such as main shaft and the quiet dynamic characteristic test device of handle of a knife faying face of the embodiment of the invention;
Fig. 5 and 6 is the axial loader schematic diagram of the embodiment of the invention.
Label declaration
1 main shaft tapered sleeve, 2 handle of a knifes, 3 vibrators, 4 supports, 5 back-up blocks, 6 assistors radially, 7 worktable; 8 upper end covers, 9 side plates, 10 gear casees, 11 blind rivets, 12 pull bars, 13 force transducers, 14 sleeves; 15 dish springs, 16 slide blocks, 1,17 moving sliding sleeve, 18 movable nuts, 19 worm gears, 20 bearing seats, 21 handwheels; 22 scalable universal shafts, 23 limited blocks, 24 orientation levers, 25 bottom end covers, 26 worm screws, 27 pulling claws.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
The test unit of the embodiment of the invention is used to test and analyze the quiet dynamic quiet dynamic perfromance of the tapering faying face between main shaft and handle of a knife; Can study the influence rule of factors such as different materials, broach force, contact form, conical surface hardness, surperficial contact precision, thereby also provide support for its performance simulation in order to the axis system of analysis and optimization numerically-controlled machine to main shaft handle of a knife faying face rigidity and damping.
As shown in Figure 1, be the BT40 type main shaft and the quiet dynamic characteristic test device of the handle of a knife faying face sectional view of the embodiment of the invention.Shown in Fig. 2 a, be the BT50 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention; Shown in Fig. 2 b, be the BT60 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention; Shown in Fig. 2 c, be the HSK63 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention; Shown in Fig. 2 d, be the HSK100 type main shaft and the cutter handle combining part subassembly sectional view of the embodiment of the invention; As shown in Figure 3, be the main shaft and the quiet dynamic characteristic test device of the handle of a knife faying face left view of the embodiment of the invention.As shown in Figure 4, be axonometric drawings such as the main shaft of the embodiment of the invention and the quiet dynamic characteristic test device of handle of a knife faying face.As illustrated in Figures 5 and 6, be the axial loader schematic diagram of the embodiment of the invention.
Wherein, the quiet dynamic characteristic test device of this main shaft and handle of a knife faying face comprises support 4, is fixed on the worktable 7 among the support 4; Be arranged on main shaft tapered sleeve 1 and handle of a knife 2 among the worktable 7; Wherein, an end clamping handle of a knife 2 of main shaft tapered sleeve 1, and radial loaded device and axial loader.Wherein, Radially assistor contacts with handle of a knife 2; And apply loading to handle of a knife 2 perpendicular to faying face circular cone direction of axis line, axially loader with link to each other with handle of a knife 2 through blind rivet 11 and pulling claw 27 to apply along the loading of faying face circular cone direction of axis line to main shaft tapered sleeve 1 and handle of a knife 2 faying faces.
In one embodiment of the invention, the combining form of said main shaft handle of a knife comprises BT40 type, BT50 type, BT60 type, HSK63 type, HSK100 type.
Particularly; In one embodiment of the invention, the radial loaded device comprises back-up block 5 that is arranged on the worktable 7 and the radially assistor 6 that is supported by back-up block 5; Wherein, this radially assistor 6 apply loading to handle of a knife 2 perpendicular to faying face circular cone direction of axis line.In other embodiments of the invention, also can select other radial loaded mode to load, repeat no more at this.
Particularly; In one embodiment of the invention, axially loader comprises upper end cover 8, side plate 9, gear case 10, blind rivet 11, pull bar 12, force transducer 13, sleeve 14, dish spring 15, slide block 16, moving sliding sleeve 17, movable nut 18, worm gear 19, bearing seat 20, handwheel 21, universal shaft 22, limited block 23, guide pole 24, bottom end cover 25, worm screw 26, pulling claw 27.As illustrated in Figures 5 and 6, be the schematic diagram of the axial loader of the embodiment of the invention.Wherein, the other end clamping blind rivet 11 of main shaft tapered sleeve 1, pull bar 12 links to each other with blind rivet 11, and worm screw 26 is complementary with worm gear 19, and universal shaft 22 links to each other with worm screw 26 with handwheel 21 respectively, and dish spring 15 is socketed in outside the pull bar 12.And guide pole 24 links to each other with an end of pull bar 12, and limited block 23 matches with guide pole 24 so that guide pole 24 is carried out guide and limit.In a preferred embodiment of the invention, universal shaft 22 is scalable universal shaft.
In one embodiment of the invention, the quiet dynamic characteristic test device of this main shaft and handle of a knife faying face also comprises: be arranged on the support 4 and with handle of a knife 2 homoaxial vibrators 3, and force transducer 13, acceleration transducer and multi-channel data acquisition device.
Wherein, can realize the static and dynamic performance test of tapering faying face between HSK, SK, BT series main shaft tapered sleeve and handle of a knife through changing main shaft tapered sleeve 1 and handle of a knife 2 subassemblies.
The present invention mainly is made up of following components: test-bed, main shaft tapered sleeve handle of a knife faying face, axial force charger, tangential force loader and test macro, wherein:
1, test-bed is the support section of test unit, and for example test-bed comprises support 4 and worktable 7 etc.Require the enough rigidity of having of test-bed can not cause bigger error in the warranty test process in the process of the test because of the distortion of test-bed.For this reason, in the design process, axial force is designed to closed loop with respect to the test main shaft tapered sleeve, and promptly testing table only bears the deadweight of test test specimen and axial afterburner system.Simultaneously, be used under the anchor ring of main shaft tapered sleeve bottom,, make it drop to minimum influence itself that test through structure optimization (form of appropriate design test-bed, wall thickness, gusset layout etc.) through quiet dynamic simulation analysis to worktable at the 50KN masterpiece;
2, main shaft tapered sleeve handle of a knife faying face is the major part in the test unit research, for example can comprise main shaft tapered sleeve 1 and handle of a knife 2.Employed consistent on main shaft tapered sleeve of the present invention and handle of a knife faying face and the numerically-controlled machine.For can be on same test unit; Realization is to the faying face The Characteristic Study of polytype main shaft tapered sleeve and handle of a knife; The mandrel structure that is adopted on the shape of the main shaft tapered sleeve outside surface that test unit designed and the actual number controlled machine has certain difference; Increase main shaft tapered sleeve thickness, influenced the mensuration of faying face characterisitic parameter to avoid deforming in the afterburner process.The main shaft tapered sleeve has comprised HSK63,100 among the present invention, and the combining form of BT40,50, main shaft of numerical control machine tool handle of a knifes such as 60, and every kind of faying face has been set three kinds of materials, the contact hardness of four grades and the contact precision of Three Estate when design.
3, the power loader is the servicing unit of research faying face characteristic.Because influencing the main factor of faying face characteristic is the effect of power between faying face.The power loader comprises axial force loader and tangential force loader, realizes respectively along the loading of faying face circular cone direction of axis line with perpendicular to the loading of faying face circular cone direction of axis line.
The axial force loader also is the critical component of total in order to realize the loading along faying face circular cone direction of axis line.Adhesion between the tapering faying face mainly comes from the pulling force that handle of a knife 2 terminal blind rivets 11 are applied to handle of a knife 2 ends.And in test unit, the pulling force of blind rivet 11 is the axial force loader.Axial force load to be that mode through manual rotation realizes in the testing table, then the amplification through a series of gear train realizable force.Wherein topmost drive disk assembly is scalable universal shaft, worm and gear and leading screw and nut mechanism etc.
Followingly the principle of axial loader is analyzed with reference to Fig. 5 and Fig. 6.When rotation hand wheel 21, handwheel 21 drives universal shaft 22 rotations, and with transmission of torque to worm gear 19.Simultaneously in order to guarantee that structure has level of freedom, make that structure can free movement, employed universal shaft 22 is telescopic universal shafts.After transmission of torque arrives worm screw 26 and worm gear 19, to slow down through worm screw 26 and worm gear 19 then, the torque of this moment increases, and direction is the axial direction along worm gear 19.Simultaneously, in an embodiment of the present invention, worm screw 26 and worm gear 19 have certain auto-lock function, can guarantee to load back mechanism and not return unloading voluntarily.To drive the nut rotation that is fixed together with worm screw 26 after worm screw 26 rotations.In addition, because worm screw 26 outsides withstand shell, so worm screw 26 will drive the nut of also will being with that nut rotates together and move downward.Simultaneously also with the dish spring 15 of compression axis in loader, thereby can produce certain axial reaction force.In a preferred embodiment of the invention, in order to prevent to occur rotatablely moving in pull bar 12 drawing process, connect a square guide pole 24 in addition at the end of pull bar 12.In order to prevent the motion of structure over travel, in structure, also be designed with guide and limit in addition.Just realize tension pull bar 12 through a series of structure, thereby realized the purpose of tension handle of a knife 2 and main shaft tapered sleeve 1 faying face.Pulling force sensor 13 is installed simultaneously, the broach force of 12 pairs of handle of a knifes 2 of pull bar when loading in order to measure in pull bar 12.The axial charger of the embodiment of the invention can realize containing all types of main spindle broach force requirements that relate among the present invention, maximum load power 50KN, and loading accuracy 1N, controllability and operability are good.
In addition, certain testing apparatus also is installed in other embodiments of the invention to realize identification to the faying face parameter.Main testing apparatus comprises: force transducer, acceleration transducer, vibrator, multi-channel data acquisition device etc.The present invention is rational in infrastructure, workable, can satisfy the various requirement in the process of the test fully.Utilize this test unit can satisfy different main tapered sleeve handle of a knife, different broach force, faying face parameter recognition under the different tangential forces.Test handle of a knife and the quiet rigidity of main shaft tapered sleeve faying face, dynamic stiffness and dynamic damping.Research faying face material, handle of a knife form, tapering, broach force, factors such as surface quality are to the rule that influences of faying face rigidity and damping.
The embodiment of the invention is a research object with main shaft handle of a knife and main shaft tapered sleeve faying face, and fixedly quiet, the dynamic perfromance of tapering faying face are studied, and sets up the kinetic model of structure and the characteristic parameter of faying face is discerned.The present invention elder generation is according to the practical structures and the mechanical characteristic of main shaft, handle of a knife; The design experiment model; And modal test is carried out in test with the steady-state sine advocate approach; Obtain the frequency response function under the different contact conditions, setting up the kinetic model of structure under vertical, horizontal exciting force effect on the basis of faying face lumped parameter model respectively then.Obtain the parameter of combination in conjunction with test figure, through the frequency response function method.
Attainable content measurement comprises following several respects:
1, broach force is to the influence of the quiet rigidity of faying face, dynamic stiffness (damping);
2, the faying face material is to the influence of the quiet rigidity of faying face, dynamic stiffness (damping);
3, Knife handle structure form and fit system are to the influence of quiet rigidity, dynamic stiffness (damping);
4, conical surface hardness is to the influence of the quiet rigidity of faying face, dynamic stiffness (damping);
5, conical surface contact precision is to the influence to the quiet rigidity of faying face, dynamic stiffness (damping);
6, vibration frequency is to the influence of faying face dynamic stiffness (damping);
7, the dynamic relative displacement amplitude of faying face is to the influence of faying face dynamic stiffness (damping).
Below will combine the quiet dynamic characteristic test device of above-mentioned main shaft and handle of a knife faying face, the method for operating of this device will be introduced, specifically may further comprise the steps:
Step 1: axial tool-broaching mechanism is placed initial position; Main shaft tapered sleeve 1 is installed and is fixed on the worktable 7 with screw, each screw pretightning force size is consistent, with carrying on the guide pole 24; Limited block 23 restricted guidance bars 24 axially rotate; Successively blind rivet 11 and handle of a knife 2 to pull bar 13 are installed, after tightening, are unclamped guide pole 24 handle of a knife 2 and main shaft tapered sleeve 1 are combined closely.According to the test demand, the HSK63,100 that can change the outfit respectively, BT and SK40,50,60 main shaft tapered sleeves and handle of a knife make an experiment.
Step 2: install and adjust radially assistor 6 and testing apparatus.When carrying out quiet stiffness test, will be radially assistor 6 be fixed on the worktable 7, and make radially the push rod end face of assistor 6 when initial position parallel with handle of a knife top one side plane and keep in touch; Displacement measurement equipment is adsorbed on the main shaft tapered sleeve 1 through the magnetic force frame, displacement measurement equipment is contacted with handle of a knife 2 one side planes, and guarantee that the displacement measurement direction is consistent with the power loading direction.When carrying out dynamic test; Handle of a knife 2 end faces are crossed handle of a knife 2 center lines with respect to lateral plane and are uniformly distributed with many two three acceleration transducers; Handle of a knife 2 tops two side planes are crossed handle of a knife 2 center lines, and each arranges many three acceleration transducers; Transverse plane is uniformly distributed with corresponding four three acceleration transducers near the circumferencial direction of handle of a knife 2 on the main shaft tapered sleeve 1, connect exciting rod on the vibrator 3 and to handle of a knife 2 tops seated position, and connect debugging and get well dynamic test macro.
Step 3: faying face characterisitic parameter test analysis.When carrying out quiet stiffness test; At first debug axial loading system; Broach force is reached in the faying face test-types requirement standard value range; Debug radially assistor 6 and displacement measurement equipment then, after the prestrain unloading, record handle of a knife 2 is with respect to the change in displacement situation of main shaft tapered sleeve 1 under the situation of uniformly-spaced radially exerting all one's strength; Change axial broach force, repeat above step, obtain the quiet rigidity of different broach force lower main axis handle of a knife 2 faying faces.When carrying out dynamic test; At first debug axial loading system; Broach force is reached in the faying face test-types requirement standard value range,, obtain the vibration signal of main shaft tapered sleeve 1 and handle of a knife 2 behind the exciting respectively through the multi-channel data acquisition device then according to the dynamically equivalent model of structure; And, obtain the dynamic stiffness and the damping value of faying face through respective algorithms calculations incorporated face parameter; Change axial broach force, repeat above step, obtain the dynamic Characteristic Data of different broach force lower main axis handle of a knife faying faces.
Step 4: change main shaft cutter handle combining part subassembly; For example be replaced by the BT50 type (Fig. 2 a), BT60 type (Fig. 2 b), HSK63 type (Fig. 2 c), HSK100 type (Fig. 2 d); Repeat above-mentioned 1,2,3 steps, the faying face characteristic situation under test different materials, conical surface hardness, ambient condition, surperficial contact precision, the load condition.
Axial force that the embodiment of the invention applies through the power loader and tangential force can realize respectively along the loading of faying face circular cone direction of axis line with perpendicular to the loading of faying face circular cone direction of axis line; And through changing the main shaft tapered sleeve and the cutter handle combining part subassembly of described various ways, thereby can obtain main shaft and the quiet dynamic perfromance of handle of a knife faying face exactly.The test unit of the embodiment of the invention is used to test and analyze the quiet dynamic quiet dynamic perfromance of the tapering faying face between main shaft and handle of a knife; Can study the influence rule of factors such as different materials, broach force, contact form, conical surface hardness, surperficial contact precision, thereby also provide support for its performance simulation in order to the axis system of analysis and optimization numerically-controlled machine to main shaft handle of a knife faying face rigidity and damping.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present invention is accompanying claims and be equal to and limit to these embodiment.
Claims (16)
1. main shaft and the quiet dynamic characteristic test device of handle of a knife faying face is characterized in that, comprising:
Worktable;
Being arranged at can be used on the said worktable lifts the support of test specimen;
Be arranged on and realize the main shaft tapered sleeve that multiple faying face form is changed and the subassembly of cutter handle combining part among the said worktable, wherein, the said handle of a knife of an end clamping of said main shaft tapered sleeve;
Axial loader, said axial loader links to each other with said main shaft tapered sleeve to apply along the loading of faying face circular cone direction of axis line to said handle of a knife; With
The radial loaded device, said radial loaded device contacts with said handle of a knife, and applies the loading perpendicular to faying face circular cone direction of axis line to said handle of a knife.
2. the quiet dynamic characteristic test device of main shaft as claimed in claim 1 and handle of a knife faying face is characterized in that, also comprises:
Be arranged on the said support and with the homoaxial vibrator of said handle of a knife, be used for applying dynamic exciting to test specimen.
3. the quiet dynamic characteristic test device of main shaft as claimed in claim 1 and handle of a knife faying face is characterized in that, said radial loaded device comprises:
Be arranged on the back-up block on the said worktable; With
By the radially assistor that said back-up block supports, said radially assistor applies the loading perpendicular to faying face circular cone direction of axis line to said handle of a knife.
4. the quiet dynamic characteristic test device of main shaft as claimed in claim 1 and handle of a knife faying face is characterized in that, said axial loader comprises:
Blind rivet, the said blind rivet of other end clamping of said main shaft tapered sleeve;
Pull bar, said pull bar links to each other with said blind rivet;
Worm gear, said worm gear set are connected on the said pull bar;
The worm screw that is complementary with said worm gear;
The universal shaft that links to each other with said worm screw; With
The handwheel that links to each other with said universal shaft.
5. the quiet dynamic characteristic test device of main shaft as claimed in claim 4 and handle of a knife faying face is characterized in that said universal shaft is scalable universal shaft.
6. the quiet dynamic characteristic test device of main shaft as claimed in claim 4 and handle of a knife faying face is characterized in that, said axial loader also comprises:
The guide pole that links to each other with an end of said pull bar.
7. the quiet dynamic characteristic test device of main shaft as claimed in claim 6 and handle of a knife faying face is characterized in that, said axial loader also comprises:
The limited block that matches with said guide pole is to carry out guide and limit to said guide pole.
8. the quiet dynamic characteristic test device of main shaft as claimed in claim 6 and handle of a knife faying face is characterized in that, said axial loader also comprises:
Be socketed in the dish spring outside the said pull bar.
9. the quiet dynamic characteristic test device of main shaft as claimed in claim 4 and handle of a knife faying face is characterized in that said worm gear and worm screw are arranged in the gear case.
10. the quiet dynamic characteristic test device of main shaft as claimed in claim 8 and handle of a knife faying face is characterized in that, also comprises the force transducer that is arranged on dish spring upper end.
11. the quiet dynamic characteristic test device of main shaft as claimed in claim 1 and handle of a knife faying face is characterized in that the combining form of said main shaft handle of a knife comprises BT40 type, BT50 type, BT60 type, HSK63 type, HSK100 type.
12. the quiet dynamic characteristic test device of main shaft as claimed in claim 11 and handle of a knife faying face is characterized in that, when said main shaft is HSK63 type or HSK100 type main shaft, also comprises the pulling claw that cooperates with said blind rivet.
13. an employing such as each test unit of claim 1-12 carry out the test method of main shaft and the quiet dynamic perfromance of handle of a knife faying face, it is characterized in that, may further comprise the steps:
Worktable is installed and be fixed to the main shaft tapered sleeve;
On carry guide pole and blind rivet is installed and handle of a knife to pull bar, unclamp said guide pole and said main shaft tapered sleeve and said handle of a knife combined closely; With
According to the experiment needs select the radial loaded device and/or axially loader load making an experiment, and according to the test result analysis that makes an experiment.
14. test method as claimed in claim 13 is characterized in that, wherein, when carrying out quiet stiffness test, specifically comprises:
Said radial loaded device is fixed in said worktable, and makes the push rod end face of said radial loaded device when initial position parallel with said handle of a knife top one side plane and keep in touch; With
Displacement measurement equipment is adsorbed on the said main shaft tapered sleeve through the magnetic force frame, and said displacement measurement equipment is contacted with said handle of a knife one side plane, and guarantee that the displacement measurement direction is consistent with the power loading direction.
15. test method as claimed in claim 14 is characterized in that, also comprises:
Debug said axial loading system, so that broach force reaches in the faying face test-types requirement standard value range;
Debug said radially assistor and said displacement measurement equipment;
After the prestrain unloading, the said handle of a knife of record is with respect to the change in displacement situation of said main shaft tapered sleeve under the situation of uniformly-spaced radially exerting all one's strength; With
Change said axial broach force, and repeat above step, to obtain the quiet rigidity of said handle of a knife and said main shaft faying face under the different broach forces.
16. test method as claimed in claim 13 is characterized in that, wherein, when carrying out dynamic test, specifically comprises:
Debug said axial loading system, so that broach force reaches in the faying face test-types requirement standard value range;
According to the dynamically equivalent model of structure, obtain the vibration signal of said main shaft tapered sleeve and said handle of a knife behind the exciting respectively through the multi-channel data acquisition device, and through respective algorithms calculations incorporated face parameter;
Obtain the dynamic stiffness and the damping value of said faying face; With
Change axial broach force, repeat above step, to obtain the dynamic Characteristic Data of different broach force lower main axis handle of a knife faying faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061668A CN102207420B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing static and dynamic properties of joint face of main shaft and shank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061668A CN102207420B (en) | 2011-03-15 | 2011-03-15 | Device and method for testing static and dynamic properties of joint face of main shaft and shank |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102620921A (en) * | 2012-03-16 | 2012-08-01 | 北京工业大学 | Double-side locking tool handle-main shaft dynamic performance experimental device capable of regulating tool tension |
| CN103105337B (en) * | 2013-01-05 | 2015-01-07 | 北京工业大学 | Experimental device and method for effectively, simply and conveniently measuring dynamic bending resistance characteristic of knife handle |
| CN103217278B (en) * | 2013-01-05 | 2015-09-02 | 北京工业大学 | A kind of method of testing high-strength bolt faying face normal direction static characteristics |
| CN103323223B (en) * | 2013-06-14 | 2015-07-15 | 杭州电子科技大学 | Overall performance testing rack of numerical control ultrasonic cutting sound main shaft |
| CN108627309B (en) * | 2018-04-19 | 2021-03-23 | 北京信息科技大学 | Nonlinear rigidity measuring method and device for machine tool |
| CN109604648B (en) * | 2019-01-11 | 2023-12-29 | 霍山嘉远智能制造有限公司 | Machine tool cutter connection structure |
| CN110631817A (en) * | 2019-10-11 | 2019-12-31 | 吉林大学 | Replaceable broach mechanism reliability test device and test method |
| CN112730121B (en) * | 2020-12-24 | 2024-04-02 | 江苏徐工工程机械研究院有限公司 | Pin shaft processing and quality detecting device and method |
| CN114549647B (en) * | 2022-04-22 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | Method for detecting placement orientation of HSK knife handle |
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| US5820312A (en) * | 1995-03-24 | 1998-10-13 | Hilti Aktiensellschaft | Device for transmitting impulse-like blows to a continuously rotatable tool bit |
| CN201188063Y (en) * | 2008-03-18 | 2009-01-28 | 浙江大学 | Synthesis experimental device for loading and testing |
| CN102292189A (en) * | 2009-05-28 | 2011-12-21 | 爱信艾达株式会社 | Device and method for measuring dynamic rigidity of spindle of machine tool |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5820312A (en) * | 1995-03-24 | 1998-10-13 | Hilti Aktiensellschaft | Device for transmitting impulse-like blows to a continuously rotatable tool bit |
| CN201188063Y (en) * | 2008-03-18 | 2009-01-28 | 浙江大学 | Synthesis experimental device for loading and testing |
| CN102292189A (en) * | 2009-05-28 | 2011-12-21 | 爱信艾达株式会社 | Device and method for measuring dynamic rigidity of spindle of machine tool |
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