Finishing Mill

Finishing Mill

Solution description:
LG-50B-HDis Two-roll profile-Cold Rolling Mill, The mechanical tools of rolling mill involves feeding unit, mandrel elements, hydraulic mandrel chuck, Rotary Feed mechanism, middle bed parts, device frame, working frame, discharging system and principal transmission mechanism.
The device can satisfy the generation of stainless steel. Superalloy. Titanium and titanium alloys and other black Non-ferrous metallic precision seamless tubing agent steel grades are as follows:

Breed Representative Metal
Stainless steel 1Cr18Ni9Ti,0Cr18Ni9,0Cr18Ni10Ti,316HWait
superalloy GH1140,GH3030,GH3039
GH536,GH625, GH163
Titanium and titanium alloys TA2,TA10,TA15,TA18Wait

CZPT parameter:

No.           Description Unit Tube Chilly Rolling Machine Product
LG-50B-High definition
one Hollow dimension Outside diameter mm Φ35~φ78
Wall thickness mm 2~seven
Length m one.five~five
two Tube dimension Exterior diameter mm φ22~φ68
Wall thickness mm 1.5~six
Duration m <=15
3 Max. elongation ratio of rolling   It is dependent on the content
four Max. nominal rolling force t a hundred
5 Stroke price of roller carriage str./min. fifty~ninety
6 Stroke duration of roller carriage mm 752
seven Length of hollow feed mm two~10
eight Rotating angle of hollow throughout feed  Deg. forty five-seventy five
9 Rotate-and-feed mechanism   Servos Or Immediate recent
ten Dia. of roller mm φ300
11 PCD of gear driving roller mm φ260,φ270,φ280
12 Size of connecting rod mm 2200
13 Radius of crank mm 375
fourteen Offset distance between crank and slider mm a hundred ninety
15 Heart height of hollow mm 750
16 Overall transmission ratio   10
17 Electricity of major motor KW 75


Composition and qualities of tools:
one,Feeding device
The feeding system is composed of a feeding platform, a feeding raceway, a chain wheel transmission system and a pipe jacking. Following the core rod is clamped and the 3 jaws are opened, the frequency conversion motor is activated through the sprocket drive to push the pipe jacking trolley CZPT, and the pipe jacking in front of the pipe jacking trolley sends the billet into the lathe mattress prior to the trolley, reverse start sprocket transmission gadget out of the pipe, core rod clamping three claw clamping main Rod, rolling mill start off, at the very same time again to the again limit pipe, through the cylinder pull pull pull pull pull pull the billet tube to the feeding roller, the pipe jacking truck speedily sends the pipe blank to the front restrict and waits for the up coming feeding. Via the encoder reading powering the sprocket shaft, the length of each tube blank is calculated, so that the bed is sent into the trolley for the tube blank rapidly rear-stop collision.

2,Core Bar Chuck Assembly
The main bar chuck adopts hydraulic stress form. The loosening and clamping of the main rod are completed by the hydraulic cylinder. The axial adjustable stroke of the core bar chuck is ± 35mm to guarantee the dimension need of the finished pipe.

three,Rotary feed system
The rotary feeding mechanism is managed by servo motor or DC motor. The dimensions of the rotation angle and the dimensions of the feed by shifting the amount of motor rotation to accomplish stepless adjustment. The rotary feeding mechanism is equipped with a feeding motor and a rotary motor. The tube blank is intermittently fed and rotated by way of a equipment reduction system respectively.

four,Centre component
The middle mattress is made up of mattress, tube blank, carriage, bearing seat, screw Rod, easy lubricating system and so on. The middle mattress adopts the welding bed, and the welding components are annealed. The machine entire body is equipped with double bearing housing to travel the lead pipe blank into the trolley pull rod bracket, polished rod and so on. The two driving screws are mounted in the front and back bearing seats, a single end of which is linked with a hexagonal coupling and a rotary feeding box, and the intermittent feeding of the pipe is understood by the screw nut set up in the pipe billet feeding trolley, screw Rod Material: Unique Screw Rod Materials YF45MnV. The bracket supports the screw Rod, the core rod and the tube blank. In the process of Tube Rolling, the tube blank is fed into the tube blank intermittently at the back stop of the tube blank. When the tube blank is fed into the tube blank, the tube blank into the roof sleeve should be transformed to match the distinct requirements of the tube blank. In the process of stopping and charging, the billet can be moved into the trolley to manage the rapid advance and retreat and stop at any place of the middle mattress. The straightforward lubrication system for the screw Rod lubricates the screw rod irregularly to boost the services life of the screw nut.

five,Base scenario
The box human body employs the welding piece, the welding piece carries on the anneal processing and the leakage check. In buy to facilitate the cleansing of the box physique and avert the accumulation of dust, a diversion plate is included on the reinforcing rib of the box body. The chassis is equipped with a shut upper include, which is convenient for automatic procedure in design and can avert the splash of process lubricant and h2o spray out of the machine and minimize sounds. The primary and passive enamel are lubricated by oil injection. Gear materials: massive gear ZG310-570. Pinion forgings 40CR. (other materials and procedures can be utilized in accordance to customer’s requirements) the connecting rod adopts forty five # , normalizing. The driving shaft and connecting Rod Pin are quenched and tempered with 40Cr. Rack materials: forty five, tooth floor quenching treatment method. Device Foundation XIHU (WEST LAKE) DIS. RAIL: the Xihu (West Lake) Dis. rail adopts individual or integral composition, the material is HT300 casting. CZPTs are lubricated with grease.

six,Discharge technique
The discharging gadget is composed of a concluded product pulling gadget, an oil scraping device, a discharge raceway, a finished item content rack and an oil pan. The CZPT Handle Technique immediately calculates when the end of a finished tube is a certain length from the end of the tube to the limit placement before it is sent into the trolley, indicators are sent to the motor of the reducer of the completed merchandise pulling system, and the concluded tube is quickly pulled into the discharge raceway, when the whole completed tube is pulled out, the cylinder in the discharge raceway turns the completed tube into the concluded materials rack. Oil Pan is employed to accumulate the residual oil on the completed item tube to shield the web site setting.

7,Principal drive mechanism
It is composed of Z4 DC motor, belt drive, hydraulic Disc brake and support. The utility design is used for driving the working body of the chilly pipe rolling mill and creating it reciprocating. The technique utilizes three-phase silicon controlled rectifier, Z four sequence DC motor to push the trigonometric belt, which is transmitted to a pair of driving gears in the chassis via a big pulley. The driving gears are engaged with the crank gears, then via the crank and connecting rod push the perform rack for reciprocating movement. In purchase to empower the rack to cease at a set place (the little opening of the roller) , a hydraulic Disc brake is set up on the assist and linked to the motor shaft. To facilitate belt tightening, the Z4 DC motor, belt drive, and hydraulic Disc brake are mounted on a movable support.

8,hydraulic equipment
The hydraulic system contains a hydraulic station oil pump, a gasoline tank unit, a corresponding electromagnetic handle valve and a pipeline. CZPT Method via stress handle valve, circulation manage valve, solenoid valve to management the precision of each and every hydraulic cylinder to make sure the typical procedure of the whole rolling program. The hydraulic cylinder contains a main Rod Chuck Oil Cylinder (one medium and low stress) .

9,Process Lubrication Method
The cooling pump is mounted on a individual oil tank the oil is delivered to the head by a shunting system to offer process lubrication and cooling of the tube blank, as nicely as lubrication of the guideway, head slide and gear rack in the body.

10,CZPTal Management Method
The primary motor velocity control technique and the motor push method controlled by PLC are composed of electrical manage cabinet and operation panel. The Handle Center of the method is Plc.. The complete electrical control program mainly consists of transmission management technique, rotary feed control system, auxiliary manage program and so on.

Finishing Mill