CN105149384B - Two roller differential variable curvature numerical control plate bending rolls and its application method - Google Patents

Two roller differential variable curvature numerical control plate bending rolls and its application method Download PDF

Info

Publication number
CN105149384B
CN105149384B CN201510379951.9A CN201510379951A CN105149384B CN 105149384 B CN105149384 B CN 105149384B CN 201510379951 A CN201510379951 A CN 201510379951A CN 105149384 B CN105149384 B CN 105149384B
Authority
CN
China
Prior art keywords
roll
numerical control
shaft
driving
roller shaft
Prior art date
Application number
CN201510379951.9A
Other languages
Chinese (zh)
Other versions
CN105149384A (en
Inventor
赵非平
李森林
张连洪
赵军
鲁世红
朱为国
金霞
翟瑞雪
方海峰
韩飞飞
于高潮
高林
李明
唐子钦
Original Assignee
南通超力卷板机制造有限公司
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
Priority to CN2015102752816 priority Critical
Priority to CN201510275281 priority
Application filed by 南通超力卷板机制造有限公司 filed Critical 南通超力卷板机制造有限公司
Priority to CN201510379951.9A priority patent/CN105149384B/en
Publication of CN105149384A publication Critical patent/CN105149384A/en
Application granted granted Critical
Publication of CN105149384B publication Critical patent/CN105149384B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers

Abstract

The invention discloses two roller differential variable curvature numerical control plate bending rolls and its application methods, including rack (8), upper roll shaft (1), lower roller shaft (2), upper driving device (4), lower driving device (11) and numerical control device (7), the upper roll shaft (1) and lower roller shaft (2) are parallelly mounted on the rack (8), upper driving device (4) control upper roll shaft (1) rotation, the lower driving device (11) control the rotation of the lower roller shaft (2).The beneficial effects of the invention are as follows:By adjusting the linear velocity of upper roller 1 and lower roll 2, adjustable two roll shafts linear differential, any section forms required curvature on panel length direction.

Description

Two roller differential variable curvature numerical control plate bending rolls and its application method

The present invention claims the applying date be on May 27th, 2015 application No. is CN2015102752816 Chinese patent applications Priority.

【Technical field】

The present invention relates to a kind of veneer reeling machine technologies, and in particular to plate passes through and utilizes the table between upper and lower two rigid roller Upper thread speed difference makes digital control two-roller differential variable curvature veneer reeling machine of the plate to the low curving of speed.

【Background technique】

Two traditional roller rolling machines roll the cylinder of different curvature, and the steel rider mold for needing replacing different-diameter can just obtain ?.Three rollers, four-roll plate bending machine obtain different-diameter cylinders or variable curvature part cylinder using 3 Forming Theories, need point Step gradually adjusts the relative position between roller, and production efficiency is low.Traditional veneer reeling machine no matter two rollers or three rollers, four-roller volume Trigger all can not efficiently realize any section variable curvature forming.

How to realize that sheet metal changes forming amount of curvature and its this demand of direction, this hair during roll bending roll bending It is bright to propose a kind of two roller differential numerical control variable curvature veneer reeling machines.Plate is allowed to pass through a pair of rigidity with different linear velocity opposite direction rotatings Roll shaft makes the curving that plate is low to speed, and by adjusting the linear differential of two roll shafts, i.e., changeable sheet material forming curvature is big Numerical control variable curvature roll bending is realized in small and its direction.

【Summary of the invention】

The present invention is intended to provide two roller differential variable curvature numerical control plate bending rolls and its application method, allow sheet metal to pass through a pair With the rigid roll shaft of different linear velocity opposite direction rotatings, make the curving that plate is low to speed, by the linear speed for adjusting two roll shafts It is poor to spend, i.e., numerical control variable curvature roll bending is realized in changeable sheet metal forming curvature size and direction.

To solve the above-mentioned problems, the technical solution of the invention is as follows:Two roller differential variable curvature numerical control plate bending rolls and its Application method, including rack 8, upper roll shaft 1, lower roller shaft 2, upper driving device 4 and lower driving device 11, the upper roll shaft 1 is under Roll shaft 2 is parallelly mounted in the rack 8, and the upper driving device 4 controls the upper roll shaft 1 and rotates, the lower driving device The rotation of the 11 control lower roller shafts 2, the upper driving device 4 and lower driving device 11 are servo drive.

Preferably, the two roller differential variable curvature numerical control plate bending rolls and its application method further include hydraulic device 6 and oil Cylinder 10, the hydraulic device 6 are connected with oil cylinder 10, upper driving device 4 and lower driving device 11, and oil cylinder 10 pushes lower roll 2 to do Elevating movement.

Preferably, the oil cylinder 10 has two, and lower roller shaft 2 is supported by two corresponding oil cylinders 10.

Preferably, the two roller differential variable curvature numerical control plate bending rolls and its application method, further include chassis 9, the machine Frame 8 and the hydraulic device 6 are fixedly mounted on the chassis 9.

Preferably, the two roller differential variable curvature numerical control plate bending rolls and its application method, also packet numerical control device 7, it is described Numerical control device 7 is mounted on the chassis 9, and is connected with the numerical control device 7.

Preferably, servo mechanism is equipped in the upper driving device 4 and the lower driving device 11.

Preferably, the upper roll shaft 1 and the lower roller shaft 2 are rigid roller.

Preferably, the two roller differential variable curvature numerical control plate bending rolls and its application method, are additionally provided with sensor 5, sensing Device 5 is mounted in lower roller shaft 2 and rack 8, for measuring absolute distance value between lower roller shaft 2 and upper roll shaft 1.

Preferably, the upper driving device 4 and the lower driving device 11 are servo motor.

The application method of above-mentioned two axis veneer reeling machine of extrusion stretching variable curvature numerical control, includes the following steps:

Step 1:Sheet metal is placed between upper roll shaft 1 and lower roller shaft 2, numerical control device 7 issues instruction, by hydraulic Device 6 makes oil cylinder 10 that lower roller shaft 2 be pushed to rise, and upper roll shaft 1 and lower roller shaft 2 clamp and act on sheet metal 3;

Step 2:Driving device 4 and lower driving device 11 in starting, upper roll shaft 1 and lower roller shaft 2 are respectively by pre-set Linear velocity operating, when upper roll shaft 1 linear velocity be less than lower roller shaft 2 linear velocity, plate lower layer is stretched at this time, and upper layer is pressed Contracting, to be bent upwards;When the linear velocity of upper roll shaft 1 is greater than the linear velocity of lower roller shaft 2, plate is bent downwardly at this time.

Step 3:In the process of running, by numerical control device, the linear velocity of roll shaft 1 and lower roller shaft 2 in adjustment, thus Any section forms required curvature on sheet metal length direction.

Further, it is less than plate thickness with the absolute distance value of upper roll shaft 1 after lower roller shaft 2 rises in step 1.

Further, upper roll shaft 1 and 2 both ends of lower roller shaft, have been all made of the synchronously driven device in both ends.

The technical problem to be solved in the present invention is to provide one kind to overturn traditional veneer reeling machine Forming Theory, passes through numerical control adjustment two Roll shaft linear differential makes plate be extruded and stretch respectively in radially different level, changes sheet material forming curvature, realizes that numerical control becomes The novel plate bending roll of curvature roll bending.

Upper roll shaft of the invention is fixed on the rack, and rack is fixed on chassis, and lower roller shaft is by two corresponding oil cylinder branch It holds, and oil cylinder can push lower roller shaft to move up and down.Upper roll shaft and lower roller shaft both ends are each configured with driving device, and with it is hydraulic Device is connected, and numerical control device is connected with hydraulic device and sends action command.

After lower roller shaft of the invention rises, it can be gone out by the sensor measurement being mounted in lower roller shaft and rack and upper roller Absolute distance value between axis, we term it intrusion for this distance value.Intrusion size determines roll shaft and lower roller shaft to plate The load of material load.The frictional force that load appropriate generates is conducive to the plastic deformation of plate.

The present invention is deformation curvature required for obtaining, as long as changing the linear differential of upper roll shaft and lower roller shaft.Linear velocity Difference is bigger, and sheet metal deformation curvature is bigger after roll bending;Linear differential is smaller, and sheet metal deformation curvature is smaller after roll bending.On Roll shaft, lower roller shaft are rigid roll shaft, and the built-in servo mechanism of upper driving device, lower driving device with Real-time Feedback and can be adjusted The linear velocity of whole upper roll shaft and lower roller shaft realizes any section variable curvature by changing the linear differential of upper roll shaft and lower roller shaft Roll bending.

The present invention is by sensor and numerical control device, provided with the automatic flat-adjustable function that lower roller shaft rises, to ensure that The depth of parallelism between lower roller shaft in roll bending process and upper roll shaft, to guarantee the quality of variable curvature workpiece.

The present invention has been all made of the synchronously driven device in both ends, has been beneficial to prevent one end in upper roll shaft and lower roller shaft both ends The defects of causing workpiece to be distorted, wrinkle due to the torsional deflection of roll shaft face when driving.

The present invention is calculated by the sheet metal to different plate thickness, unlike material using finite element modelling and mathematical model, Its result is compared with test data, has found the affecting laws of each technological parameter, and establish database, it is different needed for obtaining Parameter corresponding to curvature is shaped, to realize the Digital Control of extrusion stretching roll bending variable curvature.

After above-mentioned two axis veneer reeling machine of extrusion stretching variable curvature numerical control, have the advantages that:Device structure is simple, Numerical control operating, performance are stablized, and manufacturing process is different from the manufacturing process of traditional veneer reeling machine, realize any section variable curvature at Shape, this is that no matter two rollers or three rollers, four-roll plate bending machine all cannot achieve traditional veneer reeling machine, and it is back and forth curved not need multi-pass Song greatly improves production efficiency.It is simple for structure, and rationally, processing technology is simple for design, at low cost, and is easily assembled, if Standby running precision is high, wear-resistant, improves the processing performance of complete machine.

【Detailed description of the invention】

Fig. 1 is the present invention preferably structure chart;

Fig. 2 is that plate rolls schematic diagram;

Fig. 3 is to be bent up shaping area axial, cross-sectional view;

Fig. 4 is to be turned under shaping area axial, cross-sectional view.

【Specific embodiment】

The present invention will be further described in detail with reference to the specific embodiments.

In order to which those skilled in the art better understood when technical solution provided by the present invention, below with reference to specific Embodiment is illustrated.

First specific embodiment:As shown in Figure 1 and Figure 2, two roller differential variable curvature numerical control plate bending rolls and its application method, Including rack 8, upper roll shaft 1, lower roller shaft 2, upper driving device 4, lower driving device 11 and numerical control device 7, upper roll shaft 1 is fixed on machine On frame 8, rack 8 is fixed on chassis 9, and lower roller shaft 2 is supported by two corresponding oil cylinders 10, and oil cylinder 10 can push lower roller shaft 2 It moves up and down.Upper roll shaft 1 and 2 both ends of lower roller shaft are each configured with driving device 4, lower driving device 11.Hydraulic device 6 with Hydraulic cylinder 10 and driving device 4 are connected with 11, and numerical control device 7 is connected with hydraulic device 6 and sends to hydraulic device 6 Action command.

Servo mechanism, the upper roll shaft 1 and the lower roll are equipped in the upper driving device 4 and the lower driving device 11 Axis 2 is rigid roller.

Second specific embodiment:On the basis of the first specific embodiment, two roller differential variable curvature numerical control plate bending rolls And its application method further includes sensor 5, sensor 5 is mounted in lower roller shaft 2 and rack 8, for measure lower roller shaft 2 with Absolute distance value (intrusion) c between roll shaft 1.Upper roll shaft 1 and 2 both ends of lower roller shaft be mounted with respectively high precision velocity measurement, Feedback and control device.Upper driving device 4, lower driving device 11 are servo drive.

To obtain required bending curvature, as long as changing the linear differential of upper roll shaft 1 and lower roller shaft 2.Linear differential is got over Greatly, plate deformation curvature is bigger after roll bending;Linear differential is smaller, and plate deformation curvature is smaller after roll bending.In upper roll shaft 1 and lower roll 2 both ends of axis are mounted with high precision velocity measurement, feedback and control device respectively, can be with the current upper roll shaft 1 of Real-time Feedback and control With the linear velocity of lower roller shaft 2.

By sensor 5 and numerical control device 7 automatic flat-adjustable function of the rising of lower roller shaft 2 may be implemented, to protect in the present invention It has demonstrate,proved in the depth of parallelism in roll bending process between lower roller shaft 2 and upper roll shaft 1, to guarantee the quality of variable curvature workpiece.

The present invention has been all made of the synchronously driven device in both ends, has been beneficial to prevent one in upper roll shaft 1 and 2 both ends of lower roller shaft The defects of causing workpiece to be distorted, wrinkle due to the torsional deflection of roll shaft face when the driving of end.

The application method of above-mentioned two rollers differential variable curvature numerical control plate bending roll and its application method, includes the following steps:

Step 1:As shown in Fig. 2, sheet metal 3 is placed between upper roll shaft 1 and lower roller shaft 2, the sending of numerical control device 7 refers to It enables, makes oil cylinder 10 that lower roller shaft 2 be pushed to rise by hydraulic device 6, upper roll shaft 1 and lower roller shaft 2 clamp and act on sheet metal 3;

Step 2:Driving device 4 and lower driving device 11 in starting, upper roll shaft 1 and lower roller shaft 2 are respectively by pre-set Linear velocity operating, when upper roller roller 1 linear velocity be less than lower roller shaft 2 linear velocity, plate lower layer is stretched at this time, and upper layer is pressed Contracting, to be bent upwards;When the linear velocity of upper roll shaft 1 is greater than the linear velocity of lower roller shaft 2, plate is bent downwardly at this time.

Step 3:In the process of running, by numerical control device 7, the linear velocity of roll shaft 1 and lower roller shaft 2 in adjustment, thus Any section forms required curvature on 3 length direction of sheet metal.

In step 1, after lower roller shaft 2 rises, it can be measured by the sensor 5 being mounted in lower roller shaft 2 and rack 8 Absolute distance value (intrusion) c between upper roll shaft 1 out, the intrusion c between upper and lower roll should be less than plate thickness t.Intrusion c's Size determines the load that roll shaft 1 and lower roller shaft 2 load plate.Load action appropriate generates circumferential friction in plate Power and thickness are conducive to plastic deformation and the rolled forming of plate to extruding force.

In step 1, as shown in Fig. 2, schematic diagram, including upper roll shaft 1, lower roller shaft 2 and sheet metal 3 are rolled for plate, The shape is that the linear velocity of upper roll shaft 1 is first less than 2 linear velocity of lower roller shaft, is then greater than 2 linear velocity of lower roller shaft again and obtains.

It is illustrated in figure 3 and is bent up shaping area axial, cross-sectional view, since the linear velocity of upper roll shaft 1 and lower roller shaft 2 differs, produce Linear differential (speed ratio) is given birth to.It is assumed that upper roller axial velocity is V1, lower roll axial velocity is V2.I=V2/V1 is known as linear speed Than.Work as i>When 1, the section S1 compression chord, the section S2 tension stress, plate is bent upwards (just curved) at this time, as shown in Figure 3;Work as i When < 1, the section S1 tension stress, the section S2 compression chord, sheet metal is bent downwardly (recurvation) at this time, as shown in Figure 4.

By the sheet metal to different plate thickness, unlike material, using finite element modelling and Mechanics Calculation, to stretching and pressure Compression process carries out simulation study and experimental data accumulation, has found the function influence rule of each technological parameter, and establishes data Library obtains speed ratio i corresponding to required different bending curvature, to realize the Digital Control of two roller differential variable curvatures. Different plate thickness, unlike material characteristic sheet metal coiling process in, regular pair of speed ratio i formed curvature It should be related to.

The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention In scope of protection of the claims.

Claims (8)

1. the application method of two roller differential variable curvature numerical control plate bending rolls, which is characterized in that including rack (8), upper roll shaft (1), under Roll shaft (2), upper driving device (4) and lower driving device (11), the upper roll shaft (1) and lower roller shaft (2) are parallelly mounted to described In rack (8), the upper driving device (4) controls the upper roll shaft (1) with the rotation of the first linear velocity, the lower driving device (11) lower roller shaft (2) is controlled with the rotation of the second linear velocity, and the upper driving device (4) and lower driving device (11) are to watch Driving device is taken, the upper roll shaft (1) and the lower roller shaft (2) are rigid roller, further include connected hydraulic device (6) and oil Cylinder (10), and oil cylinder (10) pushes lower roll (2) to move up and down;
Its application method, includes the following steps:
Sheet metal is placed between upper roll shaft (1) and lower roller shaft (2) by step 1, and numerical control device (7) issues instruction, passes through peace Sensor 5 on lower roller shaft 2 and rack 8 measures the absolute distance value c between upper roll shaft 1, the indentation between upper and lower roll Amount c should be less than plate thickness t, make oil cylinder (10) that lower roller shaft (2) to be pushed to rise by hydraulic device (6), upper roll shaft (1) and lower roller shaft (2) it clamps and acts on sheet metal (3);
Step 2:Driving device (4) and lower driving device (11) in starting, upper roll shaft (1) and lower roller shaft (2) respectively by setting in advance The linear velocity operating set, when the linear velocity of upper roll shaft (1) is less than the linear velocity of lower roller shaft (2), plate lower layer is stretched at this time, Upper layer is compressed, to be bent upwards;When the linear velocity of upper roll shaft (1) is greater than the linear velocity of lower roller shaft (2), plate is downward at this time Bending;
Step 3:In the process of running, by numerical control device, the linear velocity of roll shaft (1) and lower roller shaft (2) in adjustment, thus Any section forms required curvature on sheet metal length direction.
2. the application method of two rollers differential variable curvature numerical control plate bending roll as described in claim 1, which is characterized in that described hydraulic Device (6) is connected with upper driving device (4) and lower driving device (11).
3. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 2, which is characterized in that the oil cylinder (10) there are two, lower roller shaft (2) is supported by two corresponding oil cylinders (10).
4. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 3, which is characterized in that further include bottom Disk (9), the rack (8) and the hydraulic device (6) are fixedly mounted on the chassis (9).
5. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 4, which is characterized in that also packet numerical control Device (7), the numerical control device (7) is mounted on the chassis (9), and is connected with the numerical control device (7).
6. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 5, which is characterized in that the upper drive Servo mechanism is equipped in dynamic device (4) and the lower driving device (11).
7. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 6, which is characterized in that be additionally provided with biography Sensor (5), sensor (5) are mounted on lower roller shaft (2) and rack (8), for measure lower roller shaft (2) and upper roll shaft (1) it Between absolute distance value.
8. the application method of two rollers differential variable curvature numerical control plate bending roll as claimed in claim 7, which is characterized in that the upper drive Dynamic device (4) and the lower driving device (11) are servo motor.
CN201510379951.9A 2015-05-27 2015-07-01 Two roller differential variable curvature numerical control plate bending rolls and its application method CN105149384B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2015102752816 2015-05-27
CN201510275281 2015-05-27
CN201510379951.9A CN105149384B (en) 2015-05-27 2015-07-01 Two roller differential variable curvature numerical control plate bending rolls and its application method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510379951.9A CN105149384B (en) 2015-05-27 2015-07-01 Two roller differential variable curvature numerical control plate bending rolls and its application method
DE212016000100.0U DE212016000100U1 (en) 2015-05-27 2016-05-04 NC sheet metal bending machine with two rolls operated at different speeds and with variable curvature
PCT/CN2016/080937 WO2016188305A1 (en) 2015-05-27 2016-05-04 Two-roll differential curvature-varying numerical control rolling machine and using method therefor

Publications (2)

Publication Number Publication Date
CN105149384A CN105149384A (en) 2015-12-16
CN105149384B true CN105149384B (en) 2018-11-16

Family

ID=54790587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510379951.9A CN105149384B (en) 2015-05-27 2015-07-01 Two roller differential variable curvature numerical control plate bending rolls and its application method

Country Status (3)

Country Link
CN (1) CN105149384B (en)
DE (1) DE212016000100U1 (en)
WO (1) WO2016188305A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149384B (en) * 2015-05-27 2018-11-16 南通超力卷板机制造有限公司 Two roller differential variable curvature numerical control plate bending rolls and its application method
CN106180324A (en) * 2016-07-11 2016-12-07 天津大学 A kind of plate continuous bend processing method utilizing asymmetric compression and differential traction
CN106975675B (en) * 2017-03-16 2019-05-17 南通蓝岛海洋工程有限公司 System and shell rolling technique is monitored and controlled in the light sensation of veneer reeling machine
DE102017122073A1 (en) * 2017-09-22 2019-03-28 Haeusler Ag Duggingen Method and control of a bending machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1451496A (en) * 2003-04-15 2003-10-29 南京钢铁股份有限公司 Rolled member head shape controlling method
CN201105522Y (en) * 2007-09-30 2008-08-27 北京万源多贝克包装印刷机械有限公司 Device reconciling linear speed of anvil roller and knife roller
CN103182408A (en) * 2011-12-30 2013-07-03 南通超力卷板机制造有限公司 Two-roller plate rolling machine for rolling ellipse workpieces in numerically controlled way
CN204247775U (en) * 2014-11-13 2015-04-08 上海施威重工成套有限公司 Intelligent veneer reeling machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777816A (en) * 1986-09-03 1988-10-18 Inoue Sangyo Co. Ltd. Roll bending machine
JPH08332526A (en) * 1995-06-08 1996-12-17 Hiroshi Saito Two roll forming machine outputting pressing force measured previously
US6065319A (en) * 1996-09-11 2000-05-23 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Rolling mill with laterally different velocities
CN202212441U (en) * 2011-07-12 2012-05-09 南通超力卷板机制造有限公司 Two-roll plate bending machine with automatic lower roll leveling function
CN102218459B (en) * 2011-07-14 2013-10-09 南通超力卷板机制造有限公司 Numerical-control double-roll veneer reeling machine with adjustable rounding diameter
CN103658260A (en) * 2012-09-25 2014-03-26 昆山尚达智机械有限公司 Novel two-roller veneer reeling machine
CN103223428A (en) * 2013-05-25 2013-07-31 江苏久日数控机床有限公司 Numerical-control two-roller veneer reeling machine
CN105149384B (en) * 2015-05-27 2018-11-16 南通超力卷板机制造有限公司 Two roller differential variable curvature numerical control plate bending rolls and its application method
CN204996875U (en) * 2015-07-01 2016-01-27 南通超力卷板机制造有限公司 Two roller differentials become camber numerical control veneer reeling machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1451496A (en) * 2003-04-15 2003-10-29 南京钢铁股份有限公司 Rolled member head shape controlling method
CN201105522Y (en) * 2007-09-30 2008-08-27 北京万源多贝克包装印刷机械有限公司 Device reconciling linear speed of anvil roller and knife roller
CN103182408A (en) * 2011-12-30 2013-07-03 南通超力卷板机制造有限公司 Two-roller plate rolling machine for rolling ellipse workpieces in numerically controlled way
CN204247775U (en) * 2014-11-13 2015-04-08 上海施威重工成套有限公司 Intelligent veneer reeling machine

Also Published As

Publication number Publication date
CN105149384A (en) 2015-12-16
DE212016000100U1 (en) 2018-02-07
WO2016188305A1 (en) 2016-12-01

Similar Documents

Publication Publication Date Title
EP3167974B1 (en) Sector shaped section continuous casting machine for heavy reduction and corresponding heavy reduction method
JP2013154405A (en) Forming method using roll-forming apparatus
US4761979A (en) Roller bending apparatus equipped with a curvature measuring unit
CN104324988B (en) Symmetrical expression four roller curling process method and devices
RU2505370C1 (en) Method and device for manufacturing of pipes with butt weld made from metal sheets
CN1040405C (en) Apparatus for and method of controlling calender roll cap
CN101301659B (en) On-line method for setting mechanism model-based plate parameter of double UCM temper milling machine group
CN201279535Y (en) New double-bending double-rectifying draw bending straightener
TWI344871B (en) Convex roll for influencing the profile and flatness of a rolled strip
CA2733234C (en) Method of profiling a tube of given length
KR20100100926A (en) Apparatus and process for forming profiles with a variable height by means of cold rolling
US7882718B2 (en) Roll-former apparatus with rapid-adjust sweep box
EP2477764B1 (en) Method and device for continuously stretch-bend-leveling metal strips
CN103108709A (en) Spin forming process and apparatus for manufacturing articles by spin forming
CN203652870U (en) Thin film rolling-up material trimming device
EP2813299B1 (en) Method and device for aligning metal strips by stretch bending
CN102626730B (en) Double-rack variable-curvature bending device and method for applying same
EP2144720A1 (en) Method and device for profile bending
CN103978043A (en) Technology applicable to rolling force and tension force coordinated control of dual-rack four-roller leveling unit
CA2710630C (en) A variable linear geometry machine for continuously forming square tubes
EP1537922B1 (en) Manufacturing profiles having a cross-section varying in longitudinal direction
CN103391823A (en) Apparatus and methods to increase the efficiency of roll-forming and leveling systems
CN102430575B (en) Process and device for flattening W-like arc-shaped magnesium alloy blank plate
CH626273A5 (en)
ES2620579T3 (en) Stretching unit for an elongated product and corresponding stretching method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant