CN101493402A - Sheet material forming and drawing frictional property test machine - Google Patents

Sheet material forming and drawing frictional property test machine Download PDF

Info

Publication number
CN101493402A
CN101493402A CNA2009100787270A CN200910078727A CN101493402A CN 101493402 A CN101493402 A CN 101493402A CN A2009100787270 A CNA2009100787270 A CN A2009100787270A CN 200910078727 A CN200910078727 A CN 200910078727A CN 101493402 A CN101493402 A CN 101493402A
Authority
CN
China
Prior art keywords
chuck
plate
base
piston
test
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.)
Granted
Application number
CNA2009100787270A
Other languages
Chinese (zh)
Other versions
CN101493402B (en
Inventor
李东升
王亮
刘凤贵
罗红宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beihang University
Beijing University of Aeronautics and Astronautics
Original Assignee
Beihang University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beihang University filed Critical Beihang University
Priority to CN2009100787270A priority Critical patent/CN101493402B/en
Publication of CN101493402A publication Critical patent/CN101493402A/en
Application granted granted Critical
Publication of CN101493402B publication Critical patent/CN101493402B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A sheet material forming drawing frictional property tester consists of three components, that is, a frame, a chuck and a test unit. The frame consists of a base, a side post, a middle cross beam and a top beam which are connected; the chuck consists of a chuck piston and an oil nozzle; the chuck piston is connected with a connecting rod on the middle cross beam by a connecting sleeve; the oil nozzle is positioned on the chuck; and the test unit consists of an upper piston, an upper piston cylinder, a piston cylinder bottom, a lower piston, a lower piston cylinder, an upper thermal baffle, a side thermal baffle, a bottom thermal baffle, a front plate, a rear plate, a bottom plate, a male die, a male die holder, a female die, a female die holder, a movable chuck, a fixed chuck, a mounting seat, a chuck guide seat, a test piece locating plate, a sensor, a guide rail seat, a guide rail, a slider, an upper cover plate, a front cover plate and a rear cover plate. The tester is characterized by strong versatility, and can complete friction coefficient tests, draw bead restraining force tests and coated sheet plating peeling tests (including cold test and high-temperature test) in the forming process of sheet metal.

Description

Sheet material forming and drawing frictional property test machine
(1) technical field
The present invention is a kind of sheet material forming and drawing frictional property test machine, is used for the proving installation of the multiple test of sheet metal Plastic Forming, belongs to sheet forming/moulding distortion field of engineering technology.
(2) background technology
The sheet metal Plastic Forming occupies important status in national economy and pressure processing field.In current sheet metal Plastic Forming,, often need determine, such as friction factor testing experiment, restricting resistance force of draw-bead testing experiment etc. by some tests in order to determine the performance of sheet material; Along with the prolongation of automotive service life, various countries are a large amount of the employing for the antirust problem of tackling body of a motor car in addition, and the coating of excellent corrosion resistance (mainly zinc-plated) steel plate substitutes naked steel plate as the body of a motor car materials; Coating and substrate be an important indicator of examination clad steel sheet formability in conjunction with tack and surperficial burnish resistance (two indexs general designation adhesivenesses).Along with the continuous development of auto industry, galvanized steel plain sheet coherence of the zinc coating testing experiment more and more comes into one's own in recent years.
(3) summary of the invention
1, purpose: the object of the present invention is to provide a kind of sheet material forming and drawing frictional property test machine, it can finish friction factor testing experiment in the metal sheet profiled process, restricting resistance force of draw-bead testing experiment and coated plate coating disbonded test (including hot test).
2, technical scheme: a kind of sheet material forming and drawing frictional property test machine of the present invention, it is made up of frame, chuck, test unit three big parts.
Described frame, as shown in Figure 3, mainly by base, lateral column, middle cross beam and back timber are connected and form.This base is spirally connected mutually and is formed by bottom girder, base supporting leg, base plate, base side plate, levelling bolt; This lateral column comprises column, column Shell Plate and spin leading screw; Wherein, motor, speed reduction unit, belt wheel, band and pinch roller synchronously are housed in the base;
Back timber, main load part is equipped with spin leading screw, column etc. on it;
Bottom girder, main load part is equipped with belt wheel, pinch roller, spin leading screw, column, test unit etc. on it;
Levelling bolt is installed on the base plate, is used for the leveling base;
Motor is installed in the base, links to each other with speed reduction unit, drives the spin leading screw and rotates;
Speed reduction unit is installed in the base, links to each other with motor, spin leading screw respectively;
Installing plate is installed on the base supporting leg, and control lever is housed on it;
Belt wheel is installed in the output terminal of spin leading screw lower end and speed reduction unit respectively;
Band is contained on the belt wheel synchronously, and belt wheel passes on the spin leading screw by the power of synchronous band with speed reduction unit output;
Pinch roller is contained on the bottom girder, is used to regulate the tension force and the cornerite of synchronous band;
Screw cooperates with the spin leading screw, when the spin leading screw rotates screw is moved up and down along the spin leading screw;
Ring flange is installed on bottom girder and the back timber, and it is used to install leading screw, and leading screw can only be rotated;
Column is installed between bottom girder and the back timber, play supporting role;
The column Shell Plate is installed in column and cuts up with a hay cutter outward, plays dustproof effect;
Middle cross beam is installed on the screw, moves with screw, drives chuck and moves up and down;
Limited block is installed on the control lever, is used to limit the scope of middle cross beam motion;
Control lever is installed on back timber, the bottom girder, is used to install limited block;
Connecting rod connects middle cross beam and adapter sleeve;
Fixed head is tied with the connecting rod spiral shell;
Adapter sleeve is used to connect connecting rod and chuck piston;
Base side plate, base plate are used to prevent dust;
The base supporting leg, the support accessory of base.
Described chuck as shown in Figure 3, is made up of chuck piston, oil nozzle;
The chuck piston links to each other with connecting rod on the middle cross beam by adapter sleeve;
Oil nozzle is installed on the chuck, is used for the oiling of chuck and drains the oil.
Described test unit, as shown in Figure 4, it by upper piston, upper piston cylinder, piston cylinder at the bottom of, lower piston, lower piston cylinder, go up thermal insulation board, side thermal insulation board, back thermal insulation board, end thermal insulation board, header board, back plate, base plate, punch, convex mould base, die, die socket, moving chuck, decide chuck, mount pad, chuck guide bracket, test specimen location-plate, sensor, track base, guide rail, slide block, upper cover plate, front shroud, back shroud form;
Lower piston is connected on the moving chuck, promotes moving chuck and decide chuck test specimen is clamped, and provides a prestretching for test specimen when some is tested;
Mount pad is installed on the base plate, is used for fixing the lower piston cylinder; Link to each other with the upper piston cylinder at the bottom of the piston cylinder;
The chuck guide bracket is fixed on the mount pad, for moving chuck provides guiding;
The test specimen location-plate links to each other with header board, is used to locate test specimen;
Upper piston links to each other with mould by sensor, for test provides snap-in force;
Go up, back, side thermal insulation board, be clipped between protruding, negative mold seat and last, the forward and backward cover plate heat-insulation and heat-preservation during hot test;
Last, forward and backward cover plate are installed in each thermal insulation board outside, and connect with protruding, negative mold seat spiral shell;
Track base is installed in the top of adorning experimental provision, is spirally connected with forward and backward plate;
Guide rail is installed on the track base, is spirally connected with it;
Slide block is connected with upper cover plate, can be free to slide on guide rail;
Sensor is installed between back shroud and the upper piston, is used for the snap-in force of Measurement die to test specimen;
Adjust piece, be installed on the front shroud, have thickness to be: 9.6mm, 9.8mm, 10.0mm, 10.2mm, five kinds of specifications of 10.4mm, corresponding specimen thickness is: 1.2mm, 1.0mm, 0.8mm, 0.6mm, five kinds of specifications of 0.4mm, during test, the center that makes test specimen is in a certain fixed position;
Protruding, negative mold seat are used to install protruding, the die of experiment mould;
Mould, it is installed in the mould seat, is divided into common die and die material; Comprise the mould that carries out friction factor testing experiment, restricting resistance force of draw-bead testing experiment and coated plate coating disbonded test (including hot test).
3, advantage and effect: characteristics of the present invention are highly versatiles, can finish the three classes test of different aspect in the sheet metal plastic forming process, and can carry out hot test and compare.
(4) description of drawings
Fig. 1 sheet material forming and drawing frictional property test machine front view
Fig. 2 sheet material forming and drawing frictional property test machine left view
Fig. 3 sheet material forming and drawing frictional property test machine master cut-open view
Fig. 4 testing machine test device cut-open view
Fig. 5 sheet material forming and drawing frictional property test machine schematic perspective view
Number in the figure is described as follows:
1. frame 2. chucks 3. test units 4. levelling bolts 5. motors
6. speed reduction unit 7. installing plates 8. are with 9. pinch rollers, 10. belt wheels synchronously
11. bottom girder 12. column Shell Plates 13. test specimens 14. control levers 15. oil nozzles
16. connecting rod 17. middle cross beams 18. fixed heads 19. limited blocks 20. back timbers
21. spin leading screw 22. columns 23. screws 24 adapter sleeves 25. chuck pistons
26. ring flange 27. base side plates 28. base supporting legs 29. base plates 30. base plates
31. mount pad 32. moving chucks 33. are decided chuck 34. chuck guide brackets 35. test specimen location-plates
36. 37. end of header board thermal insulation board, 38. dies, 39. die sockets, 40. side thermal insulation boards
41. front shroud 42. is adjusted thermal insulation board 44. upper cover plates 45. slide blocks on the piece 43.
46. track base 47. punch 48. convex mould bases 49. back shrouds 50. guide rails
51. at the bottom of sensor 52. back plate 53. upper piston cylinders 54. upper pistons 55. piston cylinders
56. lower piston cylinder 57. lower pistons 58. back thermal insulation boards
(5) embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
Sheet material forming and drawing frictional property test machine can carry out friction factor testing experiment in the metal sheet profiled process, restricting resistance force of draw-bead testing experiment and coated plate coating disbonded test (including hot test).
The present invention is made up of frame 1, chuck 2, test unit 3 three big parts.
Described frame, as shown in Figure 3, mainly by base, lateral column, middle cross beam 17 and back timber 20 are connected and form.This base is spirally connected mutually and is formed by bottom girder 11, base supporting leg 28, base plate 29, base side plate 27, levelling bolt 4; This lateral column comprises column 22, column Shell Plate 12 and spin leading screw 21; Wherein, be equipped with in the base motor 5, speed reduction unit 6, belt wheel 10, be with 8 and pinch roller 9 synchronously;
Back timber 20, main load part is equipped with spin leading screw 21, column 22 etc. on it;
Bottom girder 11, main load part is equipped with belt wheel 10, pinch roller 9, spin leading screw 21, column 22, test unit 3 etc. on it;
Levelling bolt 4 is installed on the base plate 29, is used for the leveling base;
Motor 5 is installed in the base, links to each other with speed reduction unit 6, drives spin leading screw 21 and rotates;
Speed reduction unit 6 is installed in the base, links to each other with motor 5, spin leading screw 21 respectively;
Installing plate 7 is installed on the base supporting leg 28, and control lever 14 is housed on it;
Belt wheel 10 is installed in the output terminal of spin leading screw 21 lower ends and speed reduction unit 6 respectively;
Be with 8 synchronously, be contained on the belt wheel 10, belt wheel 10 is by passing on the spin leading screw 21 with 8 power with speed reduction unit 6 outputs synchronously;
Pinch roller 9 is contained on the bottom girder 11, is used to regulate synchronously tension force and cornerite with 8;
Screw 23 cooperates with spin leading screw 21, when spin leading screw 21 rotates screw 23 is moved up and down along spin leading screw 21;
Ring flange 26 is installed on bottom girder 11 and the back timber 20, and it is used to install spin leading screw 21, and spin leading screw 21 can only be rotated;
Column 22 is installed between bottom girder 11 and the back timber 20, play supporting role;
Column Shell Plate 12 is installed in column 22 outer hand hay cutters, plays dustproof effect;
Middle cross beam 17 is installed on the screw 23, with screw 23 motions, drives chuck 2 and moves up and down;
Limited block 19 is installed on the control lever 14, is used to limit the scope of middle cross beam 17 motions;
Control lever 14 is installed on back timber 20, the bottom girder 11, is used to install limited block 19;
Connecting rod 16 connects middle cross beam 17 and adapter sleeve 24;
Fixed head 18 is tied with connecting rod 16 spiral shells;
Adapter sleeve 24 is used to connect connecting rod 16 and chuck piston 25;
Base side plate 27, base plate 29 are used to prevent dust;
Base supporting leg 28, the support accessory of base.
Described chuck 2 as shown in Figure 3, is made up of chuck piston 25, oil nozzle 15;
Chuck piston 25 links to each other with connecting rod 16 on the middle cross beam 17 by adapter sleeve 24;
Oil nozzle 15 is installed on the chuck 2, is used for the oiling of chuck 2 and drains the oil.
Described test unit 3, as shown in Figure 4, it by upper piston 54, upper piston cylinder 53, piston cylinder at the bottom of 55, lower piston 57, lower piston cylinder 56, go up thermal insulation board 43, side thermal insulation board 40, end thermal insulation board 37, back thermal insulation board 58, header board 36, back plate 52, base plate 30, punch 47, convex mould base 48, die 38, die socket 39, moving chuck 32, decide chuck 33, mount pad 31, chuck guide bracket 34, test specimen location-plate 35, sensor 51, track base 46, guide rail 50, slide block 45, upper cover plate 44, front shroud 41, back shroud 58 form;
Lower piston 57 is connected on the moving chuck 32, and promotion is moved chuck 32 and decided chuck 33 and will try 13 clampings, provides a prestretching for test specimen 13 when some is tested;
Mount pad 31 is installed on the base plate 30, is used for fixing lower piston cylinder 56; 55 link to each other with upper piston cylinder 53 at the bottom of the piston cylinder;
Chuck guide bracket 34 is fixed on the mount pad 31, for moving chuck 32 provides guiding;
Test specimen location-plate 35 links to each other with header board 36, is used to locate test specimen 13;
Upper piston 54 links to each other with mould by sensor 51, for test provides snap-in force;
Go up, back, side thermal insulation board 43,58,40, be clipped between protruding, negative mold seat 48,39 and last, the forward and backward cover plate 44,41,49 heat-insulation and heat-preservation during hot test;
Last, forward and backward cover plate 44,41,49 are installed in each thermal insulation board outside, and connect with protruding, negative mold seat 48,39 spiral shells;
Track base 46 is installed in the top of adorning experimental provision 3, is spirally connected with forward and backward plate 36,52;
Guide rail 50 is installed on the track base 46, is spirally connected with it;
Slide block 45 is connected with upper cover plate 44, can be free to slide on guide rail 50;
Sensor 51 is installed between back shroud 49 and the upper piston 54, is used for the snap-in force of Measurement die to test specimen 13;
Adjust piece 42, be installed on the front shroud 41, have thickness to be: 9.6mm, 9.8mm, 10.0mm, 10.2mm, five kinds of specifications of 10.4mm, corresponding test specimen 13 thickness are: 1.2mm, 1.0mm, 0.8mm, 0.6mm, five kinds of specifications of 0.4mm, during test, the center that makes test specimen 13 is in a certain fixed position;
Protruding, negative mold seat 48,39 are used to install that experiment mould is protruding, die 47,38;
Mould, it is installed in the mould seat, is divided into common die and die material; Comprise the mould that carries out friction factor testing experiment, restricting resistance force of draw-bead testing experiment and coated plate coating disbonded test (including hot test).
The experiment action divides three steps:
Step 1: motor 5 rotates by speed reduction unit 6 and drives belt wheel 10 rotations, and belt wheel 10 is by being with 8 spin leading screw 21 is rotated synchronously; At this moment, screw 23 is done the moving fortune of straight line along spin leading screw 21, and middle cross beam 17 is synchronized with the movement with screw 23; The scope that limited block 19 middle cross beams 17 move up and down; Move by chuck 2 and the middle cross beam 17 that connecting rod 16 is connected with adapter sleeve 24 with middle cross beam 17; Make chuck 2 move upward to correct position;
Step 2: test specimen 13 is put into chuck 2,, test specimen 13 is clamped by oil nozzle 15 oiling in chuck 2;
Step 3:, select suitable adjustment piece 42 and protruding, negative mold seat 48,39 and protruding, negative mold 47,38 according to the thickness and the experiment type of test specimen 13; Middle cross beam 17 is moved downward, test specimen 13 is put into suitable position, control upper piston 54 makes protruding, negative mold 47,38 give test specimen 13 with the definite value snap-in force to left movement;
Step 4: motor 5 rotates by speed reduction unit 6 and drives belt wheel 10 rotations, and belt wheel 10 is by being with 8 spin leading screw 21 is rotated synchronously; At this moment, screw 23 is done the moving fortune of straight line along spin leading screw 21, and middle cross beam 17 is synchronized with the movement with screw 23; The scope that limited block 19 restriction middle cross beams 17 move up and down; Move by chuck 2 and the middle cross beam 17 that connecting rod 16 is connected with adapter sleeve 24 with middle cross beam 17; When chuck 2 moves upward, test specimen 13 is upwards drawn certain distance, finish experiment;
Step 5: control upper piston 54 moves right, and test specimen 13 and protruding, negative mold 47,38 are thrown off, and chuck 2 unclamps test specimen 13 by oil nozzle 15 oil returns.

Claims (3)

1, a kind of sheet material forming and drawing frictional property test machine is characterized in that: it is made up of frame, chuck, test unit three big parts;
Described frame, by base, lateral column, middle cross beam and back timber are connected and form; This base is spirally connected mutually and is formed by bottom girder, base supporting leg, base plate, base side plate, levelling bolt; This lateral column comprises column, column Shell Plate and spin leading screw; This middle cross beam is equipped with screw; This back timber is equipped with spin leading screw, column; Motor, speed reduction unit, belt wheel, band and pinch roller synchronously are housed in this base; This motor, speed reduction unit, spin leading screw link to each other respectively; This belt wheel is installed in the output terminal of spin leading screw lower end and speed reduction unit respectively; Band is contained on the belt wheel synchronously; This pinch roller is contained on the bottom girder; This screw is contained on the middle cross beam and matches with the spin leading screw; This column is installed between bottom girder and the back timber, and it is equipped with ring flange up and down; This installing plate is installed on the base supporting leg, and control lever is housed on it; This control lever is installed on back timber, the bottom girder; This limited block is installed on the control lever; This fixed head is tied with the connecting rod spiral shell; This connecting rod connects middle cross beam and adapter sleeve; This adapter sleeve connects connecting rod and chuck piston;
Described chuck is made up of chuck piston, oil nozzle; This chuck piston links to each other with connecting rod on the middle cross beam by adapter sleeve; This oil nozzle is installed on the chuck;
Described test unit, it by upper piston, upper piston cylinder, piston cylinder at the bottom of, lower piston, lower piston cylinder, go up thermal insulation board, side thermal insulation board, end thermal insulation board, header board, back plate, base plate, punch, convex mould base, die, die socket, moving chuck, decide chuck, mount pad, chuck guide bracket, test specimen location-plate, sensor, track base, guide rail, slide block, upper cover plate, front shroud, back shroud form; This lower piston is connected on the moving chuck, and mount pad is installed on the base plate; Link to each other with the upper piston cylinder at the bottom of this piston cylinder; This chuck guide bracket is fixed on the mount pad; This test specimen location-plate links to each other with header board; This upper piston links to each other with mould by sensor; Should go up, back, side thermal insulation board, be clipped between protruding, negative mold seat and last, the forward and backward cover plate; This is gone up, forward and backward cover plate, is installed in each thermal insulation board outside, and connects with protruding, negative mold seat spiral shell; This track base is installed in the top of adorning experimental provision, is spirally connected with forward and backward plate; This guide rail is installed on the track base, is spirally connected with it; This slide block is connected with upper cover plate; This sensor is installed between back shroud and the upper piston; This adjusts piece, is installed on the front shroud; This is protruding, negative mold is contained in respectively in protruding, the negative mold seat.
2, sheet material forming and drawing frictional property test machine according to claim 1, it is characterized in that: the thickness of this adjustment piece is 9.6mm, 9.8mm, 10.0mm, 10.2mm, 10.4mm five kinds of specifications, five kinds of specifications of corresponding specimen thickness are respectively: 1.2mm, 1.0mm, 0.8mm, 0.6mm, 0.4mm.
3, sheet material forming and drawing frictional property test machine according to claim 1 is characterized in that: this mould is divided into common die and die material two classes.
CN2009100787270A 2009-03-02 2009-03-02 Sheet material forming and drawing frictional property test machine Expired - Fee Related CN101493402B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100787270A CN101493402B (en) 2009-03-02 2009-03-02 Sheet material forming and drawing frictional property test machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100787270A CN101493402B (en) 2009-03-02 2009-03-02 Sheet material forming and drawing frictional property test machine

Publications (2)

Publication Number Publication Date
CN101493402A true CN101493402A (en) 2009-07-29
CN101493402B CN101493402B (en) 2011-05-25

Family

ID=40924105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100787270A Expired - Fee Related CN101493402B (en) 2009-03-02 2009-03-02 Sheet material forming and drawing frictional property test machine

Country Status (1)

Country Link
CN (1) CN101493402B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102252963A (en) * 2011-04-27 2011-11-23 苏州工业园区天势科技有限公司 Self-adhesive peeling strength test machine
CN102608024A (en) * 2012-03-01 2012-07-25 首钢总公司 Method for detecting coating pulverization of alloyed galvanized plate
CN104190742A (en) * 2014-08-21 2014-12-10 江苏大学 Differential temperature type steel die bulging real-time detection device
TWI470201B (en) * 2011-01-30 2015-01-21 Wistron Corp A friction testing device having a clamping jig, and friction test method
CN106840854A (en) * 2017-03-20 2017-06-13 苏州拓博机械设备有限公司 A kind of seal wire performance aircraft
CN106918498A (en) * 2017-03-20 2017-07-04 苏州拓博机械设备有限公司 A kind of seal wire performance comprehensive testing machine
CN107677594A (en) * 2017-09-06 2018-02-09 武汉钢铁有限公司 A kind of metal sheet strip coefficient of sliding friction testing machine and method
CN109827899A (en) * 2019-01-29 2019-05-31 兰州华汇仪器科技有限公司 Material surface property tester
CN112324751A (en) * 2020-11-16 2021-02-05 山东星辉航空液压机械有限公司 Oil way system for isolating hydraulic oil inside and outside cabin
CN113125269A (en) * 2021-06-21 2021-07-16 江西江铃专用车辆厂有限公司 Device for detecting performance of all-aluminum lightweight container board and using method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345145B (en) * 1998-12-23 2002-03-27 Kyberstyl Ltd Sheet parameter measurement
DE19947955C2 (en) * 1999-10-06 2002-08-22 Thyssenkrupp Stahl Ag Process for determining the friction properties of sheet metal during its forming and measuring apparatus for carrying out the process
CN2674430Y (en) * 2003-03-25 2005-01-26 上海华龙测试仪器有限公司 Microcomputer controlled electronic universal tester
CN2634468Y (en) * 2003-07-31 2004-08-18 重庆工学院 High temperature combination strength detector for material and coating layer
CN201373842Y (en) * 2009-03-02 2009-12-30 北京航空航天大学 Plate formation drawing friction performance test machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI470201B (en) * 2011-01-30 2015-01-21 Wistron Corp A friction testing device having a clamping jig, and friction test method
CN102252963A (en) * 2011-04-27 2011-11-23 苏州工业园区天势科技有限公司 Self-adhesive peeling strength test machine
CN102608024A (en) * 2012-03-01 2012-07-25 首钢总公司 Method for detecting coating pulverization of alloyed galvanized plate
CN104190742A (en) * 2014-08-21 2014-12-10 江苏大学 Differential temperature type steel die bulging real-time detection device
CN106840854A (en) * 2017-03-20 2017-06-13 苏州拓博机械设备有限公司 A kind of seal wire performance aircraft
CN106918498A (en) * 2017-03-20 2017-07-04 苏州拓博机械设备有限公司 A kind of seal wire performance comprehensive testing machine
CN107677594A (en) * 2017-09-06 2018-02-09 武汉钢铁有限公司 A kind of metal sheet strip coefficient of sliding friction testing machine and method
CN109827899A (en) * 2019-01-29 2019-05-31 兰州华汇仪器科技有限公司 Material surface property tester
CN109827899B (en) * 2019-01-29 2024-04-12 兰州华汇仪器科技有限公司 Material surface property tester
CN112324751A (en) * 2020-11-16 2021-02-05 山东星辉航空液压机械有限公司 Oil way system for isolating hydraulic oil inside and outside cabin
CN113125269A (en) * 2021-06-21 2021-07-16 江西江铃专用车辆厂有限公司 Device for detecting performance of all-aluminum lightweight container board and using method
CN113125269B (en) * 2021-06-21 2021-09-03 江西江铃专用车辆厂有限公司 Device for detecting performance of all-aluminum lightweight container board and using method

Also Published As

Publication number Publication date
CN101493402B (en) 2011-05-25

Similar Documents

Publication Publication Date Title
CN101493402B (en) Sheet material forming and drawing frictional property test machine
CN201373842Y (en) Plate formation drawing friction performance test machine
CN101339112B (en) Machine tool guiding rail friction wear testing machine
CN101690967A (en) Full-automatic three-dimensional multipoint cold riveting assembly process engineering of die-casting aluminum alloy
CN109014841B (en) Automatic assembly machine for automobile seat slide rail
CN101524774B (en) Technological method for milling long rack tooth form
CN206230235U (en) A kind of vehicle right and left control arm general assembly system
CN201259483Y (en) Friction wear property test apparatus for machine tool guide rail
CN111922695A (en) Special assembly line and assembly method for automobile seat slide rail
CN107063093B (en) Vehicle longitudinal beam detection device
CN112157578B (en) Honing center
CN201618851U (en) Special lathe for boring and turning automobile brake drum
CN213435232U (en) Finished piece surface coating device for automobile parts
CN115070308A (en) Fixing tool flexible device for welding aluminum alloy battery tray
CN211707938U (en) Round pipe pressing mechanism for one-step molding equipment of pipe end of seat framework of automobile seat
CN208476684U (en) A kind of aluminium drill pipe aligning and full-scale load-detecting system
CN1319801C (en) Car seat slideway roller assembly machine
CN114166398A (en) Dead thrust test platform of shaftless propeller
CN203069370U (en) Rated dynamic load and life testing device for rolling linear guide rail
CN201748906U (en) Quick article taking out mechanism of check tool
CN108555507B (en) Welding fixture for screw rod of automobile electric seat
CN201632758U (en) Optical fiber fixing device for spot welding device
CN219882319U (en) Welding square nut detection clamp
CN213287390U (en) Slide rail oiling detection machine for automobile seat slide rail assembly line
CN216594103U (en) Positioning support device and stamping part measuring support

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110525

Termination date: 20130302