7-1/2″ (190 mm) x .240″ (6.09 mm) NEW Tube Mill Line

Stock #: 2747

SKU: 2747 Categories: ,

UTUBE NUMBER: 2747
MANUFACTURER: NANJIN, BAODING
MODEL NUMBER: 190 6
YEAR: NEW
DELIVERY: In Stock

190 Round High Frequency Pipe Welding Line is mainly used to weld round and square / rectangular pipes. This line utilizes roll forming to process steel strip into various shapes. It is also capable of producing shape steel of various diameters and sizes by high frequency induction heating and weld seam squeezing.

LINE SPECIFICATIONS:
Line Direction: Right to Left
Driven Spindle Diameter: 4.3" (109 mm)
Side Roll Spindle Diameter: 2.7" (68.5 mm)
Roll Space, Forming: 23.6"
Roll Space, Fin & Sizing: 15"
Round Tube Diameter: 2.3" – 7-1/2" (58.4 mm – 190 mm)
Maximum Wall Thickness: .240" (6.09 mm)
Square Tube Diameter: 2" x 2" – 6" x 6" (50.8 mm x 50.8 mm – 152 mm x 152 mm)
Maximum Mill Speed: 270 FPM, Gear In
Electrical Input for Line: 480 Volt / 60 Hz / 3 Phase

ENTRY EQUIPMENT:
(1) 20,000 Lb. Coil Car (9,000 Kg)
(1) 20,000 Lb. Uncoiler (9,000 Kg)
(1) Shear End Welder: Hydraulic and Pneumatic Operation, Maximum Strip: 600 mm x 8 mm
(1) Flattener, 6-Roll Type, with Entry and Exit Pinch Rolls
(1) SRET Horizontal Coil Accumulator: 90 – 150 MPM, Normal (50 MPM)

WORKING PRINCIPLE:
Hydraulic cylinder of strip feeding unit holds down steel strip. The feeding motor drives the feeding roll to fill strip into the accumulator by friction force. The main motor rotates supply roll of the accumulator cage to store steel strip in the inner and outer storage zone. The drive motor will stop after one coil finished, and will resume feeding after cutting and welding of another coil.

FIXED RIM ACCUMULATOR:
Strip lead in from outer rim, and discharge from center. Outer cage diameter: 6 m
Filling Speed: 90 – 150 m/min
Main Motor: 30 KW AC Variable Frequency Motor,Pinch Roll
Accumulator Rotating Motor: 37 KW AC Variable Frequency Motor for Drive Rolls
Strip Storage Capacity (Length): 200 – 600 m

MILL PASS ARRANGEMENT:
FORMING MILL:
(1) Entry Guide Unit
(4) Driven Breakdown Stands
(3) Driven Fin Stands
(7) Idle Side Roll Units
(1) Seam Guide
(1) 4-Roll Weld Pressure
(1) Double Bead Scarf Remover
(1) Coolant Zone, 20 Ft. length cooling down weld seam by water rinsing

SIZING MILL:
(6) Driven Sizing Stands
(6) Idle Side Roll Stands
(2) 4-Roll Turkshead Units

DRIVE MOTORS:
Forming: 120 HP (90 KW) DC Motor with 3 Speed Shift Transmission
Fin: 120 HP (90 KW) DC Motor with 3 Speed Shift Transmission
Sizing: 215 HP (160 KW) DC Motor with 3 Speed Shift Transmission
Shift Transmission Ratios: 1.1, 1.2, 1.3, Neutral

DRIVEN STAND GEARBOXES:
Central Lube System for all Mill Stand Gearboxes

TOOLING:
Complete set of 101 mm x 101 mm (4" x 4") Square Rolls.
Complete Installation and Foundation Drawings Included with the Tube Mill

FLYING CUT OFF SAW: (OPTIONAL) NOT INCLUDED IN QUOTATION
Pipe Diameter: 60 – 190 mm
Blade Diameter: 36"
Cycles Per Min.: 10
Motor: 60 HP (45 KW)
Accelerator Motor: 30 HP (22 KW)
Runout Table: 18 Meter Length
Extra Blades: 15 Spare Blades are Included

Flying saw functions to cut welded pipe into fixed length in line. It utilizes high speed rotating of disc saw, and depending on combination of computer control and rack-and-pinion to perform cutting off during tracking.

HIGH FREQUENCY WELDER: (OPTIONAL) NOT INCLUDED IN QUOTATION
Output: 500 KW
Oscillator Frequency: 250
Power Supply: 380 V / 50 HZ / 3 PH / 750 KVA
Oscillating Power: 500 KW, 250 +/- 50 KHZ
Oscillating Frequency: 250 +/- 50 KHZ

OPTIONAL ITEMS:
500 KW High Frequency Welder ……………. Price: US $205,000.00
Cold Saw U-TRAK S190 …………………………. Price: US $250,000.00

OVERALL DIMENSIONS:
Multiple Pieces, 8 Truckloads

APPROXIMATE WEIGHT:
225,000 Lbs.

LOCATION:
Universal Warehouse, Perrysburg, Ohio

VIDEO: Video below shows the sister mill of stock #2747 running in Chile

CARE IS TAKEN TO GIVE A RELIABLE DESCRIPTION OF THIS NEW TUBE MILL LINE BUT THESE ARE NOT GUARANTEED.

PROSPECTIVE PURCHASERS ARE ADVISED TO CHECK VITAL DETAILS. WE RESERVE THE RIGHT TO CORRECT STENOGRAPHIC ERRORS. ALL MACHINERY IS SUBJECT TO PRIOR SALE. CLICK HERE TO READ OUR TERMS AND CONDITIONS OF SALE.