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LD-eighty is A few-roll profile-Cold Rolling Mill, The mechanical gear of rolling mill incEPTTs feed gadget, mandrel parts, EPT mandrel chuck, rotating feed mechanism, center bed parts, body, working frame, discharge unit and principal EPT system, which can meet up with the generation needs of stainless steel. superalloy. EPTTium and EPTTium alloEPTTand other black Non-ferrous metal are precision seamless, agent steel grades are as follows:
Breed | Agent Steel |
Stainless metal | 1Cr18Ni9Ti,0Cr18Ni9,0Cr18Ni10Ti,316HWait |
S607,1Cr21Ni5TiWait | |
S31803,S32760,S30815,904LWait | |
2169N,00Cr21Ni6Mn9N | |
superalloy | GH1140,GH3030,GH3039 |
GH536,GH625, GH163 | |
EPTTium and EPTTium alloys | TA2,TA10,TA15,TA18Wait |
The a few-roll cold rolling mill is a commonly used technique in the generation of metal tubes. The tubes are fed into a groove which is created up of Mandrel and the pass which moves back and forth periodically. The internal wall is supported by Mandrel, the tube blank can be rolled by the movement of the roller of the fixed move in the changing groove, and the function of decreasing diameter and reducing wall can be understood. The steel has great plastic deformation situation unEPTTthe action of 3-dimensional compressive tension in rolling, and the plastic deformation of the metallic is dispersed into the EPTT effective rolling process by the reciprocating roller, producing the best use of the plasticity of the metal, it is the most powerful chilly functioning technique to make entire use of the plasticity of the materials, because it can attain the precise processing fee with significantly less rolling pressure and has outstanding micro-deformation and macro-accumulation result.
EPTnical parameter:
No. | Description | Device | EPT Chilly Rolling EPTT Design | |
LD-80 | ||||
one | Hollow dimension | Exterior diameter | mm | phi45~ phi100 |
Wall thickness | mm | one.5~7 | ||
Length | m | 2~five | ||
2 | EPT dimension | Outside the house diameter | mm | phi40~ phi90 |
Wall thickness | mm | one.two~six | ||
Duration | m | le7.5 | ||
3 | Max. eEPTTation ratio of rolling | It depends on the content | ||
4 | Stroke charge of roller carriage | str./min. | fifty~ninety | |
five | Stroke length of roller carriage | mm | 643 | |
6 | Size of hollow feed | mm | 1~eight | |
seven | Rotating angle of hollow throughout feed | Deg. | 47-72 | |
8 | Rotate-and-feed mechanism | Servos Or Immediate existing | ||
10 | Number of rollers | 3 | ||
eleven | CEPTTr heigEPTT of hollow | mm | 750 | |
twelve | EPTT of major motor | KW | 75 |
Construction and qualities of gear:
1,Feeding device
The feeding gadget is a basic feeding rack. Area laying anti-scratch material for tube blank.
2,Major EPT
It is composed of Z4 DC motor, belt EPT, EPT Disc brake and assist. The uEPTTty design is utilized for driving the operating body of the chilly pipe rolling mill and producing it reciprocating. The technique utilizes three-section silicon controlled rectifier, Z four series DC motor to EPT the trigonometric belt, which is transmitted to a pair of driving EPTs in the chassis via a big pulley. The driving EPTs are engaged with the crank EPTs, then through the crank and connecting rod EPT the operate rack for reciprocating movement. In orEPTTto enable the rack to stop at a set position (the tiny opening of the roller) , a EPT Disc brake is installed on the assist and connected to the motor shaft. To faXiHu (West EPT) Dis.Hu (West EPT) Dis.tate belt tightening, the Z4 DC motor, belt EPT, and EPT Disc brake are mounted on a movable help.
three,EPTstock device
The EPTT from the enclosure EPTs the principal shaft via a coupling, and the main helical EPT EPTs a big connecting rod mounted on a massive eccentric helical EPT, the other end of which is linked to the EPTT head and leads to the rack to shift back again and forth in a straigEPTT line. EPT materials: Huge EPT forgings forty five # , 7 quality precision, using hardened tooth area quenching-grinding procedure, pinion forgings 45 # .
The upper stop of the rocker is related with the EPTT head by means of an upper connecting rod and the middle connecting Rod is connected with the roller cage. When the rocker is shaken, the sleeve of the EPTT head and the roller cage are EPTn to shift respectively, so that the roller and the slide keep track of are in relative movement, when the rollers roll on the sXiHu (West EPT) Dis.Hu (West EPT) Dis.e of the slide, the move fashioned by the three rollers differs periodically from big to little (positive stroke) or from small to big (reverse stroke) . This round-and-round reciprocating movement, to achieve the goal of rolling. The head slide plate is manufactured of ZQSn6-six-3 copper. The content of human body sleeve is ZG270-500, the substance of quenching and tempering treatment method, the material of fan-formed XiHu (West EPT) Dis.Hu (West EPT) Dis. plate and adjusting inclined iron is poEPTTd by forty five # forging parts, and the material of trolley is welded by 45 # steel parts and tempered. The sliding plate among the head sleeve, the roller cage and the XiHu (West EPT) Dis.Hu (West EPT) Dis. rail are all manufactured of copper plate. In orEPTTto increase the rigidity and minimize the elastic deformation to satisfy the specifications of rolling large-precision pipe, the huge rocker is created of 45 # metal forgings, forty five # steel forging is utilized for adjusting indirect iron, and forging parts are utilized for EPTs. three equal areas of human body sleeve and three equivalent areas of wire chopping template are utilised to guarantee three equivalent components accuracy. The eccentric EPT is lubricated by oil EPT, and the bearing is lubricated by grease. The eccentric EPT group assures the manufacture precision and the manufacture quality, does not have the sound, the movement equilibrium. The chassis is welded with steel plate. The welded areas are annealed (annealed to eliminate pressure) and tested for leakage (to make certain no oil leakage) . EPTing Rod Pin, EPT shaft material for 40Cr, conditioning treatment method. To ensure that the bed, EPTT head components, the joint surface area of the rotary box without oil leakage, oil leakage. EPT XiHu (West EPT) Dis.hu (West EPT) Dis. rail material: Solid IRON, grinding processing.
four,Rotary feed mechanism
The rotary feed is managed by Servo EPT. When the EPTT head moves to the again starting position, the signals are despatched to the PLC via the sensor, and the PLC respectively instructs the pipe chuck in the middle mattress to rotate and feed, in orEPTTto satisfy the needs of head rolling pipe. The rotation angle is held continual each and every time, stepless adjustable the magnitude of feed amount is recognized by PLC management Servo EPT rotation angle, and stepless adjustable. The box body is welded by metal plate, and the EPTT body is tempered.
5,CEPTTr element
The middle bed is positioned among the rotary feeding box and the major box. The bed is outfitted with a pipe blank chuck, two sets of internal and outer brackets, bearing housing, screw Rod, poEPTTd Rod, proXiHu (West EPT) Dis.mity change, and so on. The materials of screw rod: EPT Screw Rod EPT YF45MnV ZQSn6-6-three copper plate construction is adopted in the chuck and slide plate on the bracket of the internal pipe physique of the lathe bed In orEPTTto enhance the security, the bed assist utilizes four coaming to weld into the sq. box.
six,Main Bar and chuck unit
The main rod and the chuck device are composed of a plug, a core rod and a joint. The plug content is H13, and the Mandrel and rod materials is forty five # cold-drawn thick-walled tube. The plug and the mandrel are connected by screw thread and adhesive rotating and EPTing. The main bar chuck utilizes the EPT chuck sort, the main bar loosens, the clamping is managed by the electromagnetic valve to full
seven,Discharge bench
The discharging technique is composed of roller frame, discharging system, oil obtaining plate (made by customers them selves) and u-formed mixture body. The discharging system is each welded human body, and the discharging platform is geared up with anti-scratch lining board to stop the pipe substance from getting scratched and bruised, which plaEPTTthe position of safeguarding the pipe materials.
eight,Approach Lubrication System
The process lubricant is made up of rolling oil (reusable) , oil tank, pump-motor device, pipe fittings, and so on. . It is employed to cool and lubricate roll pass in rolling process, and also employed to lubricate the XiHu (West EPT) Dis.Hu (West EPT) Dis. rail and the slide plate in the frameThe process lubrication station is utilised to amazing and lubricate the function cone, roller, slide plate of the mill, screw rod of the mattress, XiHu (West EPT) Dis.Hu (West EPT) Dis. rail and roller bearing in the rolling deformation zone of the metal pipe.
nine,EPT Method
In orEPTTto meet the technological demands of the rolling mill, the EPTT CEPTTr of the technique is PLC, and the alarm will be provided when the gear runs abnormally. The EPTT EPT handle method largely is composed of male-EPTT interface, host control system, rotary feed manage system and auXiHu (West EPT) Dis.liary control system.
Touch EPT uses 10-inch EPTT handle EPT. Some necessary parameters of equipment operation are enter to PLC by means of HMI interface, and then realized by PLC managing the corresponding motor or solenoid valve. When the products is running, the PLC EPTs the fault or alarm information via every controller, sensor and so on, and last but not least displaEPTTit on the guy-EPTT interface. So that the operator can rapidly and correctly determine and solve the difficulty.