CN107192488B - A kind of broadband cutting force measurement device - Google Patents
A kind of broadband cutting force measurement device Download PDFInfo
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- CN107192488B CN107192488B CN201710452012.1A CN201710452012A CN107192488B CN 107192488 B CN107192488 B CN 107192488B CN 201710452012 A CN201710452012 A CN 201710452012A CN 107192488 B CN107192488 B CN 107192488B
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- cutting force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
- G01L5/0076—Force sensors associated with manufacturing machines
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Abstract
A kind of broadband cutting force measurement device, edge bearing including knife handle front end, three shaft vibration acceleration transducers are embedded in edge bearing, knife handle front end, which is pasted with, connects the wheatstone measurement bridge formed by resistance strain gage, three shaft vibration acceleration transducers, the output end of wheatstone measurement bridge and Cutting Force Signal pretreatment are connect with the input terminal of acquisition equipment, and Cutting Force Signal pretreatment is connect with the input terminal of the output end of acquisition equipment and master system；The present invention meets accurate measurement in high-precision numerical control machine cutting process to low-frequency range and high band Cutting Force Signal simultaneously, has the advantages that high reliablity, practical.
Description
Technical field
The present invention relates to cutting force measurement technical fields, and in particular to a kind of broadband cutting force measurement device.
Background technique
At present at home and abroad on cutting force transducer market using it is most wide be that piezoelectric type and strain-type cut force snesor.
Piezoelectric type cutting force snesor has the advantages that rigidity is big, sensitivity is good, dynamic characteristic is good, is particularly suitable for measuring high frequency cutting
Force signal, but since piezoelectric material haves the defects that charge leakage, make sensor for low frequency and partially static Cutting Force Signal
Measurement accuracy be affected, simultaneously because piezoelectric material processing request is high, influence vulnerable to wet environment, packaging cost is high, needs
The reasons such as high impedance charge amplifier are equipped with, cause piezoelectric type cutting force snesor body product big, at high cost, not convenient for safeguarding
The disadvantages of.Strain-type, which cuts force snesor, has that flexible structure, stability is good, high reliability, but due to sensor
The reason of mutually being restricted between sensitivity and rigidity cause strain-type cutting force snesor be the certain measurement sensitivity of acquisition and
Have to a part of rigidity for sacrificing sensor, makes the intrinsic frequency of sensor that can not obtain larger raising, therefore strain-type is cut
Cut that the dynamic property of force snesor is good not as good as piezoelectric type cutting force snesor, for high frequency Cutting Force Signal measurement accuracy not
It is high.
Under the increasingly automated and intelligentized trend of manufacturing equipment, there is an urgent need to pass through cutting force for high-precision intelligent lathe
Cutting state monitoring and process control are realized in measurement, and then achieve the purpose that improve product quality and processing efficiency.In intelligence
It can change in process, the same part needs to complete the machining of multiple steps, difference processing step on same a machine tool
Suddenly the parameters such as used cutting rotational speeds, feed speed, cutting depth are deposited not identical, and the variation speed of cutting force is caused also to be deposited
In very big difference, therefore cutting force snesor should have accurate measurement capability to low frequency and high frequency Cutting Force Signal simultaneously,
Design and research and development brief and practical, function admirable and the cutting force snesor with broadband measurement ability have important practical valence
Value and application prospect.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the object of the present invention is to provide a kind of broadband cutting force measurements
Device can meet in high-precision numerical control machine cutting process simultaneously to the accurate of low-frequency range and high band Cutting Force Signal
Measurement has the advantages that high reliablity, practical.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of broadband cutting force measurement device, including knife handle 6, the front end of knife handle 6 be sequentially arranged with from the top down blade 3,
Edge bearing 4, blade 3, edge bearing 4 are fixed on knife handle 6 by pressing plate 2 and blade fastened screws 1, and three shaft vibrations are embedded in edge bearing 4
Acceleration transducer 5,6 front end of knife handle, which is pasted with, connects the wheatstone measurement bridge formed by resistance strain gage 8, and three shaft vibrations add
Velocity sensor 5, the output end of wheatstone measurement bridge and Cutting Force Signal pretreatment are connect with the input terminal of acquisition equipment 12,
Cutting Force Signal pretreatment is connect with the input terminal of the output end of acquisition equipment 12 and master system 13.
The three shaft vibration acceleration transducers 5 and extraneous progress insulation package, three shaft vibrations that the edge bearing 4 is embedded in add
Velocity sensor 5 is micromation high sensitivity acceleration transducer based on MEMS technology or based on quartz resonance principle, to adding
Speed signal especially high-frequency signal has accurate measurement capability.
Band step square groove 15 and the acceleration of three shaft vibration acceleration transducers 5 of installation are equipped in the edge bearing 4
Sensor conductor duct 16, three shaft vibration acceleration transducers, 5 applied atop, one layer of silica gel 17 deposit one on the surface of silica gel 17
Three shaft vibration acceleration transducers 5 are further sealed in band step square groove 15 by metal cover board 19 by layer metallic aluminium 18
It is interior, and the air gap 20 is reserved between metal cover board 19 and metallic aluminum.
Wire through-hole 10 is machined with inside the knife handle 6, the end of wire through-hole 10 processes internal screw thread 14, internal screw thread
14 connect with 11 one end of flexible metal conduit, and flexible metal conduit 11 is used to protect the signal of conducting wire to transmit not by external interference and destruction；The vibration of three axis
Move acceleration transducer 5, the signal of wheatstone measurement bridge is transmitted by the conducting wire being mounted in wire through-hole 10.
Four sides of 6 front end of knife handle are equipped with groove 7 with the level, measure in groove 7 according to D cutting operations power
Demand, which is pasted with, connects the wheatstone measurement bridge formed by 12 sheet resistance foil gauges 8, and the top of groove 7 is connected with encapsulation cover plate
9, resistance strain gage 8 is semiconductor pressure resistance type resistance strain gage or metal resistance strain gauge.
6 front end of knife handle is being located at front, back, the identical groove of above and below four sizes
12 sheet resistance foil gauges 8 are pasted in 7 altogether and form the low frequency that three groups of wheatstone measurement bridges measure X, Y and Z-direction respectively
Force component is cut, resistance strain gage 8 is pasted onto groove 7 using 610 bonding agent of M-Bond, 8 surface of resistance strain gage coating one
Layer silica gel 17 is used as protective layer；Resistance strain gage 8 uses symmetrical rule, the substrate and grid silk direction of resistance strain gage 8
The length direction of knife handle 6, same group of resistance strain gage 8 are symmetrical in 6 surface stress of knife handle according to 6 force analysis distribution of results of knife handle
On position, the initial resistivity value of all resistance strain gages 8 is R, in addition uses three fixed value resistances in Z-direction measuring circuit,
The resistance value of each fixed value resistance is 4R.
The present invention has the following advantages compared with prior art:
1, the present invention can meet the accurate measurement to low-frequency range and high band Cutting Force Signal simultaneously, solve tradition and answer
Variant cutting force snesor and piezoelectric type cutting force snesor cannot meet simultaneously accurately surveys low frequency and high frequency Cutting Force Signal
The defect of amount.
2, broadband cutting force measurement apparatus structure of the invention is simple, working principle is clear, practical, reliability
It is high, easy to process, cost is reasonable；The present invention has abandoned previous strain-type cutting force snesor by complicated elastic deformation component
The method for carrying out cutting force measurement, directly fills dynamometry close to the position packaged resistance foil gauge 8 on lathe tool head in arbor surface
Set with enough rigidity, while there is good sensitivity, overcome traditional strain-type cutting force transducer sensitivity and just
Contradiction between degree.
3, broadband cutting force measurement device volume of the invention is small, light-weight, without being modified to machine tool component, with
It is that machine tool system has good compatibility, there is good interchangeability and versatility in actual use.
4, the present invention carries out high frequency using based on three shaft vibration acceleration transducers 5 of MEMS technology or quartz resonance principle
The measurement of Cutting Force Signal not only avoids conventional piezoelectric formula cutting force snesor and needs to be equipped with expensive high-performance impedance
The shortcomings that amplifier, and there is good anti-interference ability, it is based especially on three shaft vibration acceleration of quartz resonance principle
The direct output digit signals of sensor, can shield outside electromagnetic interference completely.
5, broadband cutting force measurement device of the invention can meet three-dimensional without complicated structure and circuit design
Force component decoupling measurement is cut, nothing interferes with each other between each cutting force component.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is package structure diagram of the three shaft vibration acceleration transducers of the invention in edge bearing.
Fig. 3 is that resistance strain gage of the present invention is pasted and measuring circuit combination diagram in knife handle surface groove.
Fig. 4 is the working principle of the invention schematic diagram.
Fig. 5 is second order single-freedom vibration system model schematic of the present invention.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments:
Referring to Fig.1, a kind of broadband cutting force measurement device, including knife handle 6, the front end of knife handle 6 successively fill from the top down
There are blade 3, edge bearing 4, blade 3, edge bearing 4 are fixed on knife handle 6 by pressing plate 2 and blade fastened screws 1, are embedded in edge bearing 4
Three shaft vibration acceleration transducers 5,6 front end of knife handle, which is pasted with, connects the wheatstone measurement bridge that forms by resistance strain gage 8, and three
Shaft vibration acceleration transducer 5, the output end of wheatstone measurement bridge and Cutting Force Signal pretreatment are defeated with acquisition equipment 12
Enter end connection, Cutting Force Signal pretreatment is connect with the input terminal of the output end of acquisition equipment 12 and master system 13.
The three shaft vibration acceleration transducers 5 and extraneous progress insulation package that the edge bearing 4 is embedded in, pass acceleration
Sensor has anti-corrosion, heat-insulated, electromagnetism interference ability；Three shaft vibration acceleration transducers 5 are based on MEMS technology or to be based on
The micromation high sensitivity acceleration transducer of quartz resonance principle has standard to acceleration signal especially high frequency acceleration signal
True measurement capability.
Referring to Figures 1 and 2, the band step that three shaft vibration acceleration transducers 5 of installation are equipped in the edge bearing 4 is rectangular recessed
Slot 15 and acceleration transducer conducting wire duct 16, three shaft vibration acceleration transducers, 5 applied atop, one layer of silica gel 17 is to completely cut off
Extraneous steam, dust deposit one layer of metallic aluminium 18 on the surface of silica gel, as the metal layer of isolation outside electromagnetic interference, pass through
Three shaft vibration acceleration transducers 5 are further sealed in band step square groove 15 by metal cover board 19, and metal cover board
The air gap 20 is reserved between 19 and metallic aluminum, plays the effect of barrier heat transfer.
Wire through-hole 10 is machined with inside the knife handle 6, the end of wire through-hole 10 processes internal screw thread 14, internal screw thread
14 connect with 11 one end of flexible metal conduit, and flexible metal conduit 11 is used to protect the signal of conducting wire to transmit not by external interference and destruction；The vibration of three axis
Move acceleration transducer 5, the signal of wheatstone measurement bridge is transmitted by the conducting wire being mounted in wire through-hole 10.
Four sides of 6 front end of knife handle are equipped with groove 7 with the level, measure in groove 7 according to D cutting operations power
Demand, which is pasted with, connects the wheatstone measurement bridge formed by 12 sheet resistance foil gauges 8, and the top of groove 7 is connected with encapsulation cover plate
9, resistance strain gage 8 is semiconductor pressure resistance type resistance strain gage or metal resistance strain gauge.
Referring to Fig. 3,6 front end of knife handle be located at front, below, above and below four sizes it is identical
Groove 7 in altogether be pasted with 12 sheet resistance foil gauges 8 and form three groups of wheatstone measurement bridges measure X, Y and Z-direction respectively
Low frequency cut force component, resistance strain gage 8 is pasted onto groove 7 using 610 bonding agent of M-Bond, 8 surface of resistance strain gage
One layer of silica gel 17 is coated as protective layer；Resistance strain gage 8 uses symmetrical rule, and a, d, s as shown in the figure are respectively one
The location dimension between 3 sheet resistance foil gauges 8 on a face, the substrate and grid silk of resistance strain gage 8 are towards the length side of knife handle 6
To, same group of resistance strain gage 8 according to 6 force analysis distribution of results of knife handle in 6 surface stress symmetric position of knife handle, Suo You electricity
The initial resistivity value of resistance foil gauge 8 is R, in addition uses three fixed value resistances in Z-direction measuring circuit, each fixed value resistance
Resistance value is 4R.
The resistance strain gage 8 is combined into three groups of wheatstone measurement bridges, each group of measuring bridge using electronic compensating method
It can be realized the independent measurement of the D cutting operations force component of respective direction, concrete principle are as follows: 1. when Z-direction cutting force acts on vehicle
When knife, compressive deformation occurs for knife handle 6, compression will be generated on 6 surface of knife handle according to mechanics of materials basic principle, due to each
Resistance strain gage 8 is in stress symmetric position in a measuring bridge, therefore resistance change is identical in each measuring bridge, the side Z
Output is generated since bridge arm change in resistance is uneven to the measuring bridge of cutting component, and the measurement of X and Y-direction cutting component
Electric bridge still maintains balance, will not generate output；2. when Y-direction cutting force acts on lathe tool, knife handle 6 occurs bending and deformation,
Resistance value, which is influenced, by tensile stress according to resistance R10 and R11 in material mechanics principle Y-direction measuring circuit increases Δ r, and
Resistance R7 and R8 is influenced resistance value by compression and reduces Δ r, causes Y-direction measuring bridge to generate output, such as formula (1) institute
Show；And at this time, resistance R1, R2, R4, R5 are due to symmetrical in X-direction measuring bridge, and R2 and R4 are by compression shadow
Ringing resistance value reduction Δ r, R1 and R5 is influenced resistance value increase Δ r by tensile stress, and measuring bridge does not generate signal output, such as public
Shown in formula (2)；Resistance R9 compression chord influences resistance value reduction Δ r in Z-direction measuring bridge, and resistance R12 tension stress influences
Resistance value increases Δ r, and resistance R3 and R6 are located on neutral line, and resistance value does not change, therefore bridge arm total resistance value does not change,
Z-direction measuring bridge will not generate signal output；3. similarly, can analyze to obtain: when X-direction cutting force acts on lathe tool, the side X
Signal output is generated to measuring bridge, and Y and Z-direction measuring bridge will not generate signal output；Therefore above-mentioned three groups of favour stones
Measuring bridge can be realized the independent measurement of D cutting operations force component without the influence by other direction cutting force, meet three
The requirement of dimension cutting force component decoupling measurement.
The Signal Pretreatment and acquisition equipment 12 are first order signal processing unit, be responsible for acceleration transducer and
The output signal of wheatstone measurement bridge is tentatively amplified, is filtered, A/D is converted, signal acquisition.
The master system 13 is responsible for depositing collected acceleration signal and wheatstone measurement bridge signal
Storage, operation and display.
The operation principle of the present invention is that: in cutting process, when cutting force acts on blade 3, it is located in edge bearing 4
The three shaft vibration acceleration transducers 5 in portion measure the vibration acceleration of cutter overhanging part and output as caused by high frequency cutting force
X, the acceleration signal in tri- directions Y and Z；The resistance strain gage 8 being packaged in the groove 7 with the level of knife bar front end respectively constitutes
Three groups of measuring bridges are used to measure the low frequency Cutting Force Signal in tri- directions X, Y and Z；All acceleration signals and low frequency cutting force
Signal is pre-processed by Cutting Force Signal and amplifies, filters and acquire with acquisition equipment 12, and is transferred to master system 13
On handled, shown and stored；The signal of all directions is according to F after processingi=Fi1+Fi0Progress geometry is added to obtain final
Cutting Force Signal, wherein i respectively indicates tri- directions X, Y and Z, FiFor the cutting force of X, Y and Z-direction, Fi1For X, Y and Z-direction
High frequency cutting force, Fi0For the low frequency cutting force of X, Y and Z-direction.
Referring to Fig. 4, in actual cut process, Cutting Force Signal is made of the signal of different frequency ingredient, tool
Body is divided into low-frequency component and radio-frequency component, uses wheatstone measurement bridge and three in broadband cutting force measurement device of the present invention
Shaft vibration acceleration transducer 5 realizes the measurement to low frequency and radio-frequency component in Cutting Force Signal respectively.Wherein, cutting force is believed
Low-frequency component in number causes that knife handle 6 bends or compressive deformation, the deformation are glued to 6 surface of knife handle groove with the level
Resistance strain gage 8 in 7 perceives and is converted to electric signal corresponding with low frequency Cutting Force Signal by measuring bridge；Cutting force letter
Radio-frequency component in number causes cutting tool overhanging part to generate forced vibration, is analyzed so that X-direction cuts force component as an example,
By cutter overhang part in X direction cutting force radio-frequency component effect under motion model be reduced to one containing mass block m,
The second order single-freedom vibration system of spring k and damping c, as shown in figure 5, according to Newton's second law, the differential side of the system
Journey can indicate are as follows:
In formula (3):--- the acceleration that measuring device overhangs partially in X direction；--- measuring device overhanging part
Speed in X direction；The displacement that x --- measuring device overhangs partially in X direction；FX--- X-direction cuts force component.Pass through three
The measurement of shaft vibration acceleration transducer 5 obtains the vibration acceleration of cutter overhanging part, and further obtains cutter by integral
The speed and displacement of overhanging part, bringing formula (3) into can be obtained radio-frequency component in Cutting Force Signal.
Due to measuring obtained Cutting Force Signal low frequency by wheatstone measurement bridge and three shaft vibration acceleration transducers 5
Not explicitly at boundary, the i.e. low-frequency component and three axis of resistance strain gage bridge circuit measurement between radio-frequency component signal
There may be the repeating signals of identical frequency ingredient between the radio-frequency component that the measurement of vibration acceleration sensor 5 obtains, therefore not
Simply the signal that two parts measurement obtains can be directly added, need to be filtered signal before this to eliminate two
Repeating part in sub-signal.Filtering carries out in master system 13, carries out to the output signal of wheatstone measurement bridge low
Pass filter carries out high-pass filtering, unidirectional Cutting Force Signal low pass and high-pass filtering cutoff frequency phase to acceleration signal
Together, the Cutting Force Signal filter cutoff frequency of different directions can be different.By taking the filtering processing of X-direction Cutting Force Signal as an example, if
Setting X-direction wheatstone measurement bridge low pass signal filter cutoff frequency is fx, and reserve frequency is lower than the signal of fx；Acceleration signal
High-pass filtering cutoff frequency is fx, and reserve frequency is greater than or equal to the signal of fx.If the low frequency cutting force obtained after filtering processing
Signal is FX0, acceleration signal isBeing calculated according to formula (3) and obtaining high frequency Cutting Force Signal is FX1, then the cutting force of X-direction
Signal is FX=FX0+FX1.Y and the Cutting Force Signal of Z-direction also take above-mentioned processing method, repeat no more.
Master system 13 by treated X, Y and the Cutting Force Signal of Z-direction in software interface real-time display, for upper
All signals before and after treatment for stating all directions referred to are stored in master system 13, in case inquiry,
It calls and other studies purposes.
Claims (6)
1. a kind of broadband cutting force measurement device, including knife handle (6), the front end of knife handle (6) are sequentially arranged with blade from the top down
(3), edge bearing (4), blade (3), edge bearing (4) are fixed on knife handle (6) by pressing plate (2) and blade fastened screws (1), feature
It is: is embedded with three shaft vibration acceleration transducers (5) in edge bearing (4), knife handle (6) front end is pasted with by resistance strain gage (8)
Connect the wheatstone measurement bridge of composition, three shaft vibration acceleration transducers (5), the output end of wheatstone measurement bridge and cutting
Force signal pretreatment is connect with the input terminal of acquisition equipment (12), the output end of Cutting Force Signal pretreatment and acquisition equipment (12)
It is connected with the input terminal of master system (13).
2. a kind of broadband cutting force measurement device according to claim 1, it is characterised in that: in the edge bearing (4)
Three shaft vibration acceleration transducers (5) of insertion and it is extraneous carry out insulation package, three shaft vibration acceleration transducers (5) for based on
MEMS technology or micromation high sensitivity acceleration transducer based on quartz resonance principle have acceleration signal accurate
Measurement capability.
3. a kind of broadband cutting force measurement device according to claim 1, it is characterised in that: in the edge bearing (4)
Band step square groove (15) and acceleration transducer conducting wire duct equipped with three shaft vibration acceleration transducers (5) of installation
(16), three one layer of silica gel (17) of shaft vibration acceleration transducer (5) applied atop deposits one layer of metallic aluminium on the surface of silica gel
(18), three shaft vibration acceleration transducers (5) are further sealed in by band step square groove (15) by metal cover board (19)
It is interior, and the air gap (20) are reserved between metal cover board (19) and metallic aluminum.
4. a kind of broadband cutting force measurement device according to claim 1, it is characterised in that: in the knife handle (6)
Portion is machined with wire through-hole (10), and the end of wire through-hole (10) processes internal screw thread (14), internal screw thread (14) and flexible metal conduit
(11) one end connects, and flexible metal conduit (11) is used to protect the signal of conducting wire to transmit not by external interference and destruction；Three shaft vibrations accelerate
Spend sensor (5), the signal of wheatstone measurement bridge is transmitted by the conducting wire being mounted in wire through-hole (10).
5. a kind of broadband cutting force measurement device according to claim 1, it is characterised in that: before the knife handle (6)
Four sides at end are equipped with groove with the level (7), are pasted with according to D cutting operations power measurement demand by 12 electricity in groove (7)
The wheatstone measurement bridge of foil gauge (8) connection composition is hindered, is connected with encapsulation cover plate (9), resistance strain gage at the top of groove (7)
It (8) is semiconductor pressure resistance type resistance strain gage or metal resistance strain gauge.
6. a kind of broadband cutting force measurement device according to claim 1, it is characterised in that: before the knife handle (6)
End be located at front, below, 12 sheet resistances are pasted in the identical groove of above and below four sizes (7) altogether
Foil gauge (8) simultaneously forms the low frequency cutting force component that three groups of wheatstone measurement bridges measure X, Y and Z-direction respectively, resistance-strain
Piece (8) is pasted onto groove (7) using 610 bonding agent of M-Bond, and resistance strain gage (8) surface coats one layer of silica gel (17) and makees
For protective layer；Resistance strain gage (8) uses symmetrical rule, and the substrate and grid silk of resistance strain gage (8) are towards knife handle (6)
Length direction, same group of resistance strain gage (8) is according to knife handle (6) force analysis distribution of results in knife handle (6) surface stress pair
Claim on position, the initial resistivity value of all resistance strain gages (8) is R, in addition uses three definite value electricity in Z-direction measuring circuit
Resistance, the resistance value of each fixed value resistance is 4R.
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| CN201710452012.1A CN107192488B (en) | 2017-06-15 | 2017-06-15 | A kind of broadband cutting force measurement device |
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| CN201710452012.1A CN107192488B (en) | 2017-06-15 | 2017-06-15 | A kind of broadband cutting force measurement device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108303201A (en) * | 2017-12-28 | 2018-07-20 | 上海交通大学 | Multichannel high bandwidth wireless force snesor towards Intelligent Machining |
| CN109175419A (en) * | 2018-10-17 | 2019-01-11 | 中北大学 | A kind of integral type Cutting Force measurement tooling system being embedded in thin film sensor |
| CN109175418A (en) * | 2018-10-17 | 2019-01-11 | 中北大学 | A kind of combined type Cutting Force measurement tooling system being embedded in thin film sensor |
| CN109530391A (en) * | 2018-11-14 | 2019-03-29 | 贵州红阳机械有限责任公司 | It is a kind of for cutting the device and its application method of revolving body metalwork surface adhesive rubber |
| CN110281078B (en) * | 2019-06-28 | 2021-02-09 | 哈尔滨理工大学 | Multi-parameter sensor for tip of boring blade |
| CN114102259B (en) * | 2021-11-23 | 2022-11-01 | 华中科技大学 | Metal matrix composite material micro-cutting tool and wear monitoring method |
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| CN1032395A (en) * | 1987-09-15 | 1989-04-12 | 大连工学院 | Shank type of tridimensional dynameter using piezoelectric quartz for lathe turning |
| US5783751A (en) * | 1996-12-31 | 1998-07-21 | Industrial Technology Research Institute | Cutting force sensor in the form of a turret locking screw |
| CN101412196A (en) * | 2008-11-10 | 2009-04-22 | 西安理工大学 | Turning force prediction method based on cutting-tool angle and cutting amount parametric variation |
| CN103551922A (en) * | 2013-10-10 | 2014-02-05 | 西安交通大学 | Strain gauge integrated three-dimensional turning force sensor |
| CN203636509U (en) * | 2013-11-10 | 2014-06-11 | 吉林大学 | Three-dimensional cutting force measuring device |
| CN105081881A (en) * | 2014-05-05 | 2015-11-25 | 天津职业技术师范大学 | Device and method measuring high rotating speed/superhigh rotating speed three dimensional cutting force |
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| CN1032395A (en) * | 1987-09-15 | 1989-04-12 | 大连工学院 | Shank type of tridimensional dynameter using piezoelectric quartz for lathe turning |
| US5783751A (en) * | 1996-12-31 | 1998-07-21 | Industrial Technology Research Institute | Cutting force sensor in the form of a turret locking screw |
| CN101412196A (en) * | 2008-11-10 | 2009-04-22 | 西安理工大学 | Turning force prediction method based on cutting-tool angle and cutting amount parametric variation |
| CN103551922A (en) * | 2013-10-10 | 2014-02-05 | 西安交通大学 | Strain gauge integrated three-dimensional turning force sensor |
| CN203636509U (en) * | 2013-11-10 | 2014-06-11 | 吉林大学 | Three-dimensional cutting force measuring device |
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| CN107192488A (en) | 2017-09-22 |
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