CN207351835U - A kind of friction wear testing machine - Google Patents
A kind of friction wear testing machine Download PDFInfo
- Publication number
- CN207351835U CN207351835U CN201721513206.XU CN201721513206U CN207351835U CN 207351835 U CN207351835 U CN 207351835U CN 201721513206 U CN201721513206 U CN 201721513206U CN 207351835 U CN207351835 U CN 207351835U
- Authority
- CN
- China
- Prior art keywords
- cutter
- sample
- lifting shaft
- testing machine
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Friction test apparatus field is the utility model is related to, specifically a kind of friction wear testing machine.The rotation axis and lifting shaft including rack and being vertically co-axially located in rack, rotation axis drives rotation by the rotating driving device being arranged in rack, the cutter specimen holder for fixed cutting tool sample is connected with by Active Interface in the lower end of rotation axis, lifting shaft drives lifting by the lifting drive being arranged in rack, flexible connector is equipped between lifting shaft and lifting drive, the substrate coupons fixture for fixing substrate sample is equipped with the upper end of lifting shaft.The utility model can accurately control pressure between cutter sample and substrate coupons, the bounce for overcoming cutter sample and substrate coupons to be produced due to machining accuracy deficiency, and can easily carry out the friction-wear test of diversified forms.
Description
Technical field
Friction test apparatus field is the utility model is related to, specifically a kind of friction wear testing machine.
Background technology
In lathe grinding manufacture field, the frictional force between cutter and base material is easy to cause tool damage, base material cutting face
It is excessively coarse, the problems such as not reaching technical requirements.Generally the cutter made of which kind of material need to be determined by friction test
It is most suitable for the cutting operation of certain base material, or which kind of lubricating oil rubbing between cutter and base material is mitigated with working angles
Wipe.
During being simulated by existing friction test equipment to the cutting state between cutter and base material, one
Aspect, the pressure between base material and cutter can not be adjusted, and can not simulate between cutter and base material at various pressures true cuts
Cut state；On the other hand, due to the limitation of craft precision, cutter with more or less there are the bumps of out-of-flatness on substrate coupons
Face, so that influencing finally experiment knot in jumping phenomena is produced when rotating against at a high speed between cutter sample and substrate coupons
The observation of fruit.
Utility model content
The utility model, which aims to provide one kind, can accurately control pressure between cutter sample and substrate coupons, overcome cutter
The bounce that sample and substrate coupons are produced due to machining accuracy deficiency, and can easily carry out the fretting wear of diversified forms
The testing machine of experiment.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of friction wear testing machine, bag
Including rack and the rotation axis being vertically co-axially located in rack and lifting shaft, rotation axis is by being arranged in rack
Rotating driving device driving rotation, is connected with by Active Interface in the lower end of rotation axis and is tried for the cutter of fixed cutting tool sample
Sample fixture, lifting shaft drive lifting by the lifting drive that is arranged in rack, lifting shaft and lifting drive it
Between be equipped with flexible connector, the upper end of lifting shaft be equipped with for fixing substrate sample substrate coupons fixture.
Preferably, the lifting drive includes the slide bar vertically set and is slidably arranged on slide bar
Sliding block, top and the rack of slide bar are fixed, and bottom is equipped with the first servomotor, and sliding block is equipped with threaded hole, coordinates in threaded hole
Ball-screw parallel to slide bar is installed, the bottom of ball-screw is connected with the first servo motor output shaft, in the upper of sliding block
Side is connected with the first jacking block for promoting lifting shaft to rise by the first spring.
Preferably, the flexible connector is arranged between lifting shaft and the first jacking block, flexible connector include heading with
And the second spring in heading is fixed on, head a ball and touched with the lower end of lifting shaft, second spring, which is arranged on, is opened in the first jacking block
On spring groove in.
Preferably, the Active Interface is the taper hole for being opened in rotation axis lower end, and the aperture of taper hole gradually subtracts from the bottom to top
Small, rotation axis is hollow shaft；The quantity of the cutter specimen holder is multiple, and multiple cutter specimen holders include small end and cone
Hole coordinates the taper shank of installation and is fixed on the chuck of taper shank big end, opposite to each other in respective on the chuck of multiple cutter specimen holders
The side of taper shank is respectively provided with the molding cutter sample clamping mechanism of fixed-type cutter sample, for fixing pin-shaped cutter
The pin hole of sample, the hemispherical groove for fixing spherical tool sample or the annular groove for stationary annular cutter sample,
Side and respective pin hole that chuck is connected with respective taper shank, the position of hemispherical groove or annular groove offer respectively with pin hole,
The jogger hole that hemispherical groove or annular groove are connected.
Preferably, the molding cutter clamping device include be opened on chuck sliding slot, be slidably arranged in sliding slot
Two the second jacking blocks and the adjusting screw for two the second jacking blocks to be fixed with chuck respectively, spiral shell is equipped with the bottom of sliding slot
Pit, the stroke hole of strip is equipped with two the second jacking blocks along the length direction of sliding slot respectively, and adjusting screw passes through second
Stroke hole on jacking block coordinates with threaded hole installs, and two the second jacking block one end close to each other are set to slope surface.
Preferably, the substrate coupons fixture includes coaxially being fixed on the disk on lifting shaft top and is arranged on disk top
The different ring-shaped step of multiple radiuses on end surface, multiple ring-shaped steps are coaxially disposed with lifting shaft.
Preferably, the disk is coordinated by the first external screw thread for being opened up along disk periphery is provided with open top and by knife
Have the cutting fluid lubricating cup that specimen holder and substrate coupons fixture are accommodated in the inner, the first electric heater unit is equipped with cutting fluid lubricating cup.
Preferably, multiple bearings are equipped with the middle part of the rotation axis, the outer ring of multiple bearings is with being fixed in rack
Bearing block be fixedly connected.
Preferably, the bearing block includes a shell being connected with rack, in the bottom of shell by along shell periphery
The second external screw thread opened up, which coordinates, is provided with bottom opening and the stove for being accommodated in the inner cutter specimen holder and substrate coupons fixture
Body, is equipped with the second electric heater unit in furnace body.
Preferably, the rotating driving device includes the second servomotor, is fixed on the second servo motor output shaft
First pulley, the second belt wheel for being fixed on rotation axis upper end and the transmission belt being connected to before first pulley and the second belt wheel.
Beneficial effect
The utility model includes multiple cutter specimen holders and a base material that can coordinate with multiple cutter specimen holders
Specimen holder, different cutter specimen holders can be installed by equipment come complete molding cutter sample, spherical tool sample,
The friction-wear test of pin-shaped cutter sample and annular cutter sample, one-machine-multi-function, reduces the input of R＆D institution's equipment
Cost.
The utility model is matched somebody with somebody by including the lifting drive of the second servomotor, ball-screw and threaded hole
Conjunction makes lifting shaft produce lifting, can be by lifting shaft accurately to pressure needed for offer between cutter sample and substrate coupons, solution
Determine deficiency of the prior art, there is more real cutting test analog functuion.
The sliding block that is connected in lifting drive with ball-screw and for promote the first jacking block that lifting shaft rises it
Between by the first spring connect, second spring is equipped between the first jacking block and lifting shaft, passes through the first spring and second spring
The cushioning effect of cooperation, in the case where cutter sample and substrate coupons are there are the male and fomale(M＆F) of out-of-flatness, makes cutter sample and base
In when rotating against at a high speed between material sample, avoid producing the phenomenon beated, there is more accurate test effect.
Brief description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the dimensional structure diagram of the utility model；
The structure diagram of the flexible connector of Fig. 3 the utility model；
Fig. 4 is the dimensional structure diagram of the substrate coupons fixture of the utility model；
Fig. 5 is the dimensional structure diagram of first a variety of cutter specimen holders of the utility model；
Fig. 6 is the dimensional structure diagram of the second jacking block in the cutter specimen holder in Fig. 5；
Fig. 7 is the dimensional structure diagram of second of cutter specimen holder cutter specimen holder of the utility model；
Fig. 8 is the dimensional structure diagram of the third cutter specimen holder cutter specimen holder of the utility model；
Fig. 9 is the dimensional structure diagram of the 4th kind of cutter specimen holder cutter specimen holder of the utility model；
Brief description of the drawings：1st, the first servomotor, 2, sliding block, 3, ball-screw, the 4, first spring, 5, slide bar, the 6, first top
Block, 7, rack, 8, lifting shaft, 9, substrate coupons fixture, 10, cutter specimen holder, 11, rotation axis, the 12, second belt wheel, 13, outer
Shell, the 14, second external screw thread, 15, flexible connector, 16, transmission belt, 17, first pulley, the 18, second servomotor, 19, chuck,
20th, taper shank, the 21, second jacking block, 22, adjusting screw, 23, stroke hole, 24, ring-shaped step, 25, disk, the 26, first external screw thread,
27th, hemispherical groove, 28, pin hole, 29, annular groove, 30, heading, 31, second spring.
Embodiment
As shown in Figures 1 to 9, a kind of friction wear testing machine of the utility model, including rack 7 and vertically
The rotation axis 11 and lifting shaft 8 being co-axially located in rack 7.Rotation axis 11 passes through the rotating driving device that is arranged in rack 7
Driving rotation, the cutter specimen holder 10 for fixed cutting tool sample is connected with by Active Interface in the lower end of rotation axis 11,
And then rotated at a high speed with the cutter sample on cutter specimen holder 10 by rotating driving device.Lifting shaft 8 is by being arranged on
Lifting drive driving lifting in rack 7, is equipped with the axle sleeve for 8 lifting carriage of lifting shaft, 8 He of lifting shaft in rack 7
Installed between axle sleeve by spline fitted, ensure that lifting shaft 8 in axle sleeve liftable slide on the premise of avoid lifting shaft 8
Produce rotation.Flexible connector 15 is equipped between lifting shaft 8 and lifting drive, is equipped with and is used in the upper end of lifting shaft 8
The substrate coupons fixture 9 of fixing substrate sample, the lifting control that the substrate coupons on substrate coupons fixture 9 pass through lifting drive
System, which with cutter sample contact, carries out friction test, and accurately controls the pressure between substrate coupons and cutter sample to make friction
Experiment is cut closer to true.
Lifting drive includes two slide bars 5 vertically set and is slidably arranged on two slide bars 5
Sliding block 2, top and the rack 7 of two slide bars 5 are fixed, and bottom is fixedly connected with a motor cabinet, is fixed with motor cabinet
First servomotor 1.Sliding block 2 is equipped with threaded hole, coordinates the ball-screw 3 being provided with parallel to slide bar 5, ball in threaded hole
The bottom of leading screw 3 and the first servomotor 1 output axis connection, are connected with for promoting in the top of sliding block 2 by the first spring 4
The first jacking block 6 that lifting shaft 8 rises.Ball-screw 3 is driven to rotate by the rotation of the first servomotor 1, so that in two slide bars 5
Position-limiting action under, the mobile lifting on two slide bars 5 of control slide block 2, and will eventually through the first spring 4 and the first jacking block 6
Climbing power is transferred to lifting shaft 8, makes substrate coupons and cutter sample contacts and adjusts the pressure between substrate coupons and cutter sample
Power.
Flexible connector 15 is arranged between 8 and first jacking block 6 of lifting shaft, and flexible connector 15 is including heading 30 and admittedly
The second spring 31 being scheduled in heading 30, heading 30 and the lower end of lifting shaft 8 touch, and second spring 31, which is arranged on, is opened in first
In spring groove on jacking block 6, head a ball 30 diameter be less than spring groove diameter.Coordinated by second spring 31 and the first spring 4
Cushioning effect, in the case where cutter sample and substrate coupons are there are the male and fomale(M＆F) of out-of-flatness, try cutter sample and base material
In when rotating against at a high speed between sample, avoid producing the phenomenon beated, there is more accurate test effect.
In order to enable the utility model a tractor serves several purposes, a variety of friction-wear tests are carried out, the utility model includes more
Substrate coupons needed for a cutter specimen holder 10 and the cutter sample fixed with multiple tool mounting samples can coordinate
The substrate coupons fixture 9 of installation.
In order to make multiple cutter specimen holders 10 can with rotation axis 11 is quick and convenient is firmly connected, the lower end of rotation axis 11
Active Interface is arranged to, which is the taper hole for being opened in 11 lower end of rotation axis, and the aperture of taper hole gradually subtracts from the bottom to top
Small, rotation axis 11 is hollow shaft, can be stretched into by the mandril of strip by the upper end of rotation axis 11, cutter specimen holder 10 is pushed up
Go out to complete dismounting.Multiple cutter specimen holders 10 include small end and coordinate the taper shank 20 of installation with taper hole and be fixed on taper shank 20
The chuck 19 of big end, is respectively provided with the side of respective taper shank 20 opposite to each other on the chuck 19 of multiple cutter specimen holders 10
The molding cutter sample clamping mechanism of fixed-type cutter sample, the pin hole 28 for fixing pin-shaped cutter sample, for fixing
The hemispherical groove 27 of spherical tool sample or the annular groove 29 for stationary annular cutter sample, in chuck 19 and respective taper shank
The 20 connected sides and position of respective pin hole 28, hemispherical groove 27 or annular groove 29 offers and pin hole 28, hemisphere respectively
The jogger hole that connected in star 27 or annular groove 29 are connected.
Molding cutter clamping device includes the sliding slot being opened on chuck 19, two second tops being slidably arranged in sliding slot
Block 21 and the adjusting screw 22 for two the second jacking blocks 21 to be fixed with chuck 19 respectively, are located at two second in sliding slot
The clamp area of clamping molding cutter is formed between jacking block 21.Two the second jacking blocks 21 can slide and by adjusting spiral shell in sliding slot
Nail 22 is fixed with chuck 19, is that the size of clamp area is adjustable, so as to adapt to the quadrangle forming cutter of in the market different size
The molding cutter of tool, triangle molding cutter and other shapes.Threaded hole is equipped with the bottom of sliding slot, in two the second jacking blocks
The stroke hole 23 of strip is equipped with along the length direction of sliding slot respectively on 21, adjusting screw 22 passes through the stroke on the second jacking block 21
Hole 23 coordinates with threaded hole installs, and two the second jacking block 21 one end close to each other are set to slope surface, two the second jacking blocks 21
On slope surface be engaged and preferably more common triangle molding cutter can be gripped.
Substrate coupons fixture 9 includes coaxially being fixed on the disk 25 on 8 top of lifting shaft and is arranged on 25 top end of disk
The different ring-shaped step 24 of multiple radiuses on face, multiple ring-shaped steps 24 are coaxially disposed with lifting shaft 8.Exist as shown in Figure 4
A circular substrate coupons can be gripped in an innermost ring-shaped step 24, or in any two neighboring ring
Position between shape step 24 grips the annular substrate coupons of different size, meets above-mentioned molding cutter sample, annular
The requirement of cutter sample, spherical tool sample and pin-shaped cutter sample in friction-wear test to substrate coupons shape.
Coordinated along disk 25 by the first external screw thread 26 for being opened up along 25 periphery of disk and open top is installed and by cutter
The cutting fluid lubricating cup that specimen holder 10 and substrate coupons fixture 9 are accommodated in the inner, is equipped with the first electric heater unit in cutting fluid lubricating cup.
Add and cutting fluid and heated by the first electric heater unit in cutting fluid lubricating cup, can be cut under the simulation test condition of high temperature
Cut fluidity energy.
Rotating driving device includes the second servomotor 18, the first pulley being fixed on 18 output shaft of the second servomotor
17th, the transmission belt for being fixed on the second belt wheel 12 of 11 upper end of rotation axis and being connected to before 17 and second belt wheel 12 of first pulley
16.Multiple bearings are equipped with the middle part of rotation axis 11, to keep the stability in 11 high-speed rotation of rotation axis.Multiple bearings
Outer ring be fixedly connected with the bearing block being fixed in rack 7.Bearing block includes a shell 13 being connected with rack 7, outside
The bottom of shell 13 is equipped with to coordinate by the second external screw thread 14 opened up along 13 periphery of shell and is provided with bottom opening and tries cutter
The furnace body that sample fixture 10 and substrate coupons fixture 9 are accommodated in the inner, is equipped with the second electric heater unit in furnace body, can pass through the second electricity
Stove body temperature is heated to 800-900 DEG C to carry out the friction-wear test under extreme temperature conditions by heating unit.Cutting fluid
Lubricating cup and furnace body are conveniently detachable, easy to the overlapping progress of friction-wear test of various modes.
In the present embodiment, between the first spring 4 and sliding block 2, between the first spring 4 and the first jacking block 6, second
Pressure sensor is set between 31 and first jacking block 6 of spring or between heading 30 and the lower end of lifting shaft 8, and pressure sensor will press
Force signal is transferred to controller.By the shafting pressure between pressure monitor sensor cutter sample and substrate coupons, when cutter sample
When between substrate coupons reducing due to abrasion pressure, control the first servomotor 1 to rotate by controller, finely tune sliding block 2,
Achieve the purpose that to be automatically adjusted to the pressure between cutter sample and substrate coupons to test required pressure.
Claims (10)
- A kind of 1. friction wear testing machine, it is characterised in that：Including rack（7）And vertically it is co-axially located at rack （7）On rotation axis（11）And lifting shaft（8）, rotation axis（11）By being arranged on rack（7）On rotating driving device driving Rotation, in rotation axis（11）Lower end cutter specimen holder for fixed cutting tool sample is connected with by Active Interface（10）, Lifting shaft（8）By being arranged on rack（7）On lifting drive driving lifting, in lifting shaft（8）And lifting drive Between be equipped with flexible connector（15）, in lifting shaft（8）Upper end be equipped with for fixing substrate sample substrate coupons fixture （9）.
- A kind of 2. friction wear testing machine according to claim 1, it is characterised in that：The lifting drive includes edge The slide bar that vertical direction is set（5）And it is slidably arranged in slide bar（5）On sliding block（2）, slide bar（5）Top and rack（7） Fixed, bottom is equipped with the first servomotor（1）, sliding block（2）Threaded hole is equipped with, coordinates in threaded hole and is provided with parallel to slide bar （5）Ball-screw（3）, ball-screw（3）Bottom and the first servomotor（1）Axis connection is exported, in sliding block（2）Top Pass through the first spring（4）It is connected with for promoting lifting shaft（8）The first jacking block risen（6）.
- A kind of 3. friction wear testing machine according to claim 2, it is characterised in that：The flexible connector（15）Set In lifting shaft（8）With the first jacking block（6）Between, flexible connector（15）Including heading（30）And it is fixed on heading（30）On Second spring（31）, heading（30）With lifting shaft（8）Lower end touch, second spring（31）It is arranged on and is opened in the first jacking block （6）On spring groove in.
- A kind of 4. friction wear testing machine according to claim 1, it is characterised in that：The Active Interface is to be opened in rotation Shaft（11）The taper hole of lower end, the aperture of taper hole are gradually reduced from the bottom to top, rotation axis（11）For hollow shaft；The cutter sample Fixture（10）Quantity be multiple, multiple cutter specimen holders（10）Include the taper shank that small end coordinates installation with taper hole（20）With And it is fixed on taper shank（20）The chuck of big end（19）, in multiple cutter specimen holders（10）Chuck（19）On opposite to each other in respective cone Handle（20）Side be respectively provided with the molding cutter sample clamping mechanism of fixed-type cutter sample, for fixing pin-shaped knife Has the pin hole of sample（28）, hemispherical groove for fixing spherical tool sample（27）Or for stationary annular cutter sample Annular groove（29）, in chuck（19）With respective taper shank（20）Connected side and respective pin hole（28）, hemispherical groove（27）Or Annular groove（29）Position offer respectively and pin hole（28）, hemispherical groove（27）Or annular groove（29）Connected jogger hole.
- A kind of 5. friction wear testing machine according to claim 4, it is characterised in that：The molding cutter sample holder machine Structure includes being opened in chuck（19）On sliding slot, two the second jacking blocks being slidably arranged in sliding slot（21）And for by two Second jacking block（21）Respectively with chuck（19）Fixed adjusting screw（22）, threaded hole is equipped with the bottom of sliding slot, at two Two jacking blocks（21）It is upper to be equipped with the stroke hole of strip along the length direction of sliding slot respectively（23）, adjusting screw（22）Through the second top Block（21）On stroke hole（23）Coordinate with threaded hole and install, two the second jacking blocks（21）One end close to each other is set to slope Face.
- A kind of 6. friction wear testing machine according to claim 4, it is characterised in that：The substrate coupons fixture（9）Bag Include and be coaxially fixed on lifting shaft（8）The disk on top（25）And it is arranged on disk（25）Multiple radiuses in top end surface are different Ring-shaped step（24）, multiple ring-shaped steps（24）And lifting shaft（8）It is coaxially disposed.
- A kind of 7. friction wear testing machine according to claim 6, it is characterised in that：The disk（25）By along disk （25）The first external screw thread that periphery opens up（26）Cooperation is provided with open top and by cutter specimen holder（10）And substrate coupons Fixture（9）The cutting fluid lubricating cup being accommodated in the inner, is equipped with the first electric heater unit in cutting fluid lubricating cup.
- A kind of 8. friction wear testing machine according to claim 1, it is characterised in that：In the rotation axis（11）Middle part Equipped with multiple bearings, the outer ring of multiple bearings is with being fixed on rack（7）On bearing block be fixedly connected.
- A kind of 9. friction wear testing machine according to claim 8, it is characterised in that：The bearing block includes one and machine Frame（7）The shell of connection（13）, in shell（13）Bottom by along shell（13）The second external screw thread that periphery opens up（14）Match somebody with somebody Conjunction is provided with bottom opening and by cutter specimen holder（10）With substrate coupons fixture（9）The furnace body being accommodated in the inner, in furnace body Equipped with the second electric heater unit.
- A kind of 10. friction wear testing machine according to claim 1, it is characterised in that：The rotating driving device includes Second servomotor（18）, be fixed on the second servomotor（18）First pulley on output shaft（17）, be fixed on rotation axis （11）Second belt wheel of upper end（12）And it is connected to first pulley（17）With the second belt wheel（12）Transmission belt before（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513206.XU CN207351835U (en) | 2017-11-14 | 2017-11-14 | A kind of friction wear testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513206.XU CN207351835U (en) | 2017-11-14 | 2017-11-14 | A kind of friction wear testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351835U true CN207351835U (en) | 2018-05-11 |
Family
ID=62350323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721513206.XU Expired - Fee Related CN207351835U (en) | 2017-11-14 | 2017-11-14 | A kind of friction wear testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351835U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941640A (en) * | 2017-11-14 | 2018-04-20 | 洛阳理工学院 | A kind of friction wear testing machine |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN109187250A (en) * | 2018-09-27 | 2019-01-11 | 连云港纶洋单丝科技有限公司 | Monofilament surface layer abrasion-proof performance test machine |
| CN110136337A (en) * | 2019-06-05 | 2019-08-16 | 无锡深梦科技有限公司 | A kind of feeding unit for helium balloon vending machine |
-
2017
- 2017-11-14 CN CN201721513206.XU patent/CN207351835U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941640A (en) * | 2017-11-14 | 2018-04-20 | 洛阳理工学院 | A kind of friction wear testing machine |
| CN107941640B (en) * | 2017-11-14 | 2023-09-26 | 洛阳理工学院 | Friction and wear testing machine |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN108507895B (en) * | 2018-06-13 | 2024-03-19 | 吉林大学 | Vertical multifunctional friction and wear test machine |
| CN109187250A (en) * | 2018-09-27 | 2019-01-11 | 连云港纶洋单丝科技有限公司 | Monofilament surface layer abrasion-proof performance test machine |
| CN110136337A (en) * | 2019-06-05 | 2019-08-16 | 无锡深梦科技有限公司 | A kind of feeding unit for helium balloon vending machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107941640A (en) | A kind of friction wear testing machine | |
| CN207351835U (en) | A kind of friction wear testing machine | |
| CN107159528A (en) | A kind of point gum machine rotating clamp and its operating method | |
| CN105397573B (en) | The pressure suspension polishing device that surges based on hydraulic mechanism | |
| CN206172607U (en) | Scraps of paper automatic feeding mechanism and adopt automatic feeding machine of this mechanism | |
| CN103832194B (en) | Auto-compensation CNC engraving machine | |
| CN104259974A (en) | Platinum vessel automatic polishing machine and method | |
| CN107991231B (en) | Shafting pressure loading system for friction and wear testing machine | |
| CN207472739U (en) | A kind of shafting pressure-loaded system for friction wear testing machine | |
| CN104440493B (en) | A kind of abrasive wheel cutting machine | |
| CN106847674B (en) | Quick stripping device for sapphire wafer processing | |
| CN205341987U (en) | Aluminium alloy automatic drilling machine | |
| CN106442318B (en) | Lubricant friction tester | |
| CN206656822U (en) | Moment of torsion detection machine | |
| CN104526518B (en) | Control method for abrasive wheel cutting machine | |
| CN116511087A (en) | Multi-edge flatness detection device for wood boards | |
| CN114952424B (en) | Workpiece aperture detection and repair device for high-end equipment manufacturing | |
| CN203470359U (en) | Bearing steel ball checking device | |
| CN204183375U (en) | A kind of platinum vessel automatic grinding and polishing machine | |
| CN202853592U (en) | Alley minimum diameter flexible measuring and grouping measuring tool | |
| CN205342678U (en) | Liquid hydrodynamic float burnishing device | |
| CN112729657A (en) | Brake assembly dragging torque detection equipment | |
| CN207066647U (en) | A kind of online transmission efficiency test device | |
| CN202507234U (en) | Lever-type puller | |
| CN206740480U (en) | One kind experiment coal petrography sample fast accurate processing unit (plant) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20191114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |