16” (405mm) x .008”-.039” (0.2mm – 1.0mm) Automatic High-Speed High-Precision Slitting Line (Used)

1.    Basic technical parameters

1.1   Coils

a)   AISI1050, 1075, 1095

     Material of coils: Cold rolled and Hardened & Tempered Medium & high

carbon steel steel strips etc.

     Material steel grade: AISI1050, 1075, 1095

b)   Strip Thickness: .008”-.039” (0.2mm ～1mm)

c)    Strip width: 7.87” – 16” (200mm – 405mm)

d)   Inner diameter of coils: Φ (16”, 20”) (406mm, 508mm.)

e)   Outer diameter of coils: max Φ 47” (1200mm.)

f)     Max. coil weight: 9,920.8 Lbs. (4500Kg)

1.2   Machine

a)  Slitting capacity: .008”-.039” (0.2-1mm), max 25 strips. Max slitting speed 80m/min, width of slit strips: 15-50mm.

b)  Installation power: 150KW

c)   Power source: 480V, 560Hz, 3Ph.

d)  Input direction: customer decides.

e)  Occupation area: about 25m length, 6m width.

2.    Working process

Coil-loading—— Single-mandrel uncoiling（ use the already made 6T uncoiler and coil car)—— Coil-end-feeding & shoveling — — Double-roller pinch feeding & Five-roller leveling, hydraulic shear---Hole Accumulator(1)----Side Guide  Disc slitting——Scrap reeling——Hole Accumulator(2)

——Pre-separator/Tensioner——movable single mandrel recoiler and its coil car——Separator & double-mandrel Recoiling — — two Coils-discharging cars — — Hydraulic control — — Electric control

3.    Main technical specification of equipment:

3.1   Coil loading car

1) Structure: Four wheels, car body made by welding

2) Driving motor: 1.5kw cycloid pin-wheel motor

3) Φ 5.5” x 19.7” (140mm × 500mm)

Up-down movement driving: hydraulic cylinder Φ 5.5” x 19.7” (140mm × 500mm)

4)    Up-down moving distance: 19.7” (500mm)

5)    Max loading weight: 13,228 Lbs. (6000Kg)

3.2   Single-mandrel Uncoiler

1)    Working style: axial moving expansion by hydraulic cylinder driving connecting rod

2)    Uncoiling mandrel: Ф16” (406mm), 20” (508mm) × 18” (460mm), for ID 20” (508mm coils), put rubber sleeve on the mandrel.

3)    Expansion range: Ф15” (380mm) -Ф 16” (406mm)

4)    Hydraulic cylinder for expansion: Φ4.7” (120mm) × 3.9” (100mm)

5)  Braking style: pneumatic pressure regulating brake

6)       Applicable coil width：7.9”-25.6” (200mm-650mm)

Max. coil diameter：47.2” (1200mm)

Max load：13,223 Lbs. (6000Kgs)

3.3   Coil-end feeding & shoveling equipment

Ø Structure: welding assembly with steel plates, up-down movement by hydraulic cylinder .

Ø Two sets of Φ 3”x19.7” (75mm × 500mm) hydraulic cylinder

Ø Traction wheel: Φ7” x 6” (180mm × 150mm), NBR rubber wheel

4) Driving motor for traction: 2.2kw cycloid pin-wheel motor

5)Coil head straightener: double pillar guide, hydraulic cylinder 80x500mm press down, to straighten coil head up together with coil-head shoveling device, for sending coil head into pinch rolls.

6) Shoveling structure: welding assembly with steel plates, two tongue-shaped plates (big one to move up-and-down, small one to expand and contract)

7) Hydraulic cylinder for big tongue up-down movement: Φ 7” x 15.7” (75×400mm)

8)Hydraulic cylinder for small tongue expansion Φ2.5” x 15.7” (63mm × 400mm)

3.4  Double-roller pinch feeding & Five-roller leveling equipment

1)Welding assembly with steel plates, double-roller pinch feeding the coil strip.

2) Feeding roller and leveling roller: Φ 4.7” x 18” (120mm ×460mm)

3) Material of feeding roller and leveling roller: down roller: 40Cr, hard chrome plating, upper roller

   covered with NBR rubber

Ø Oil cylinder for up-down moving of feeding rollers: two pcs, Φ7” x 4” (75mm × 100mm)

Ø Up-down moving of flattening rollers: by worm and worm gear, 2.2KW pin-wheel speed reducer.

Ø The driving power of flattening rollers: 7.5KW AC motor ,with frequency control

Ø Hydraulic shear: with 1.2mm thickness,17.7” (450mm) width shearing capacity.

3.5  Hole Accumulator (1)

1) Structure: hole with cement walls, one piece turnover plate to more or less cover the hole, so as to accumulate some strip in the hole.

2) Hole dimension: 2.5mL×0.8mW×3mH

3) Composition of turnover plate: to weld square steel pipes to set up a frame, lay wearable plastic plates on the frame; at the both edges, sliding roller respectively.

4) Overturning movement of turnover plate is driven by hydraulic cylinder (Φ80×500mm)

5) On one side wall, two photosensors located at upper and down points, to make sure the accumulated strip not too little & not touch the hole ground.

3.6 Side Guide

1) Structure: vertical rollers to restrict the progressing position of strip, while horizontal rollers to press strip.

2) Vertical rollers: two pairs, Φ 3” x 4” (75mm × 100mm), high-frequency quenching

3）Horizontally press rollers: Φ 3.1” x 18” (80mm × 460mm), the press-down of up roller by two pcs Φ2.5” x 4” (63mm ×100mm) hydraulic cylinder.

4）To adjust one side of vertical rollers by double lead screws with adjusting range: 100-450mm

3.7   Disc Slitting Machine

1）Structure: disc cutters circle double spindles tight, and the spindles are installed on support stand.

2）The spindle to install disc cutters: Φ140×460mm

3) Material of the spindle: 40Cr, forging and tempering, medium-frequency quenching, hard chrome plating, fine polishing.

4) Disc cutter: D250×d140×T7/10mm

5) Material of disc cutter: H13K hardness after quenching HRC56-58°

6) Driving style: 45KW DC motor, matched with speed reducer, gearbox and universal joint.

7) Control on DC motor: American Parker DC controller

8) Pressing-down of shearing spindle: 2.2KW cycloid pin-wheel motor with worm gear box

9) To change disc cutter: hydraulically (Φ63×300mm)driven, one stand of the disc shearer outward move until disc cutters can be installed

10) slitting speed: ≤80m/min, adjustable

11)  adopt wood pads as well as rubber rings, to ensure the slit strips not go sticky to cutters.

3.8     Scrap reeler

1)    Structure: two scrap reelers, with one on each side of the slitting line

2)  Each reel: Φ450×350mm

3)   Each reel is driven by 3KW motor, slip is realized by friction wafer

4)   Scrap-discharging style: hydraulically drive the scrap creel shrink, then

can take scrap bundle down.

5)   Scrap collecting style: hydraulically drive the scrap guide rod to left-right

move such as to wind scrap orderly.

3.9    Hole Accumulator (2)

1) Structure: hole with cement walls, one piece turnover plate to more or less cover the hole, so as to

   accumulate some strip in the hole.

2) Hole dimension: 3mL×0.8mW×4mH

3) Composition of turnover plate: to weld square steel pipes to set up a frame, lay wearable plastic  

 plates on the frame; at the both edges, sliding roller respectively.

4) Overturning movement of turnover plate is driven by hydraulic cylinder (Φ80×500mm)

5) On one side wall, two photosensors located at upper and down points, to make sure the

accumulated strip not too little & not touch the hole ground

3.10   Pre-separator and Tensioner

1)  Pre-separating shaft:  Φ75×500mm

2)  Pre-separating discs: Φ160×3mm, 65Mn quenching treatment

3)  Manually move outward the stand of one side up to be able to install pre-separating discs

4)  One pair of press rollers, to avoid strips jumping up-down & falling into accumulator (2).

5)  Horizontally press rollers: Φ80×500mm, the press-down of up roller by two pcs Φ63×100mm hydraulic cylinder.

6)  Tensioning style: two settings: either by tension felt pads, press the upper beam of tensioner

stand down, put wooden plate and wool felt between upper and down beams, the pressing-down is by two Φ80×150mm hydraulic cylinders.

7)  ; or by roller tension, hydraulic press-down, 2 over 3 rollers, roller diameter 100mm.

8)  Balanced length-measuring roller: Φ320×700mm, covered with hard chrome plating. With encoder,

9)  （Omron), digital counter, can measure and send strips length to PLC and touch screen.

3.11     Scrap Reeler: The machine sits on rails, when need it, move to the slitting line, when not need, move it away；Walking motor 2.2KW

               Ф305mm x 500 mm

               Φ100mm x 50 mm,

               Ф63 mm × 500 mm

Structure: cantilever mandrel with hydraulic press separator, the mandrel specification

           Ф305mmx 500mm

Hydraulic mandrel expansion: Φ100 x 50mm, drive: 30KW cycloid speed reducer and sprocket & chains transmission, controlled by frequency converter.

Hydraulic pusher: Ф63×500mm

Max load on mandrel: 1T

3.12   Double Mandrel Re-coiler and Separator

Ø  Gear driven by gearbox, expansion and clamping of recoiler is driven by hydraulic cylinder

Ø  Recoiling block: Double mandrel 380-406mm x 500mm, 460-508mm×500mm

Ø  Strength for expansion of re-coiler: 100×60mm, 140x100mm

Ø  Hydraulic pusher: push the recoiled coils out when the coils discharging car move the coils away, the hydraulic cylinders for the pusher plate: Ф75×500mm, Ф75×500mm

Ø  The support bracket of recoiling shaft: steel structural component, hydraulic cylinder 75mm x 300mm, Ф75×350mm.

Ø Strips-separating shaft: Φ75×500mm mm for 406mm and 508mm mandrels, press-

down hydraulic cylinder: Φ75×350mm

Ø  Separating discs: Φ160×3mm, 65Mn quenching treatment

Ø  Pressing-down the separating shaft: hydraulic cylinder Φ80×350mm, strength adjustable

Ø  Recoiling power: DC 55KW motor

                DC motor control: Parker 590 controller

                            Recoiling speed: max. 80m/min Max

                            Max recoiled coil weight: 4500kgs

3.13    Coil-discharging car, TWO SETS

Ø  Structure: four wheels, car body by welding

Ø  Driving motor: 1.5KW cycloid pin-wheel motor

Ø  Up-down movement driving: hydraulic cylinder Φ100×500mm

Ø  Up-down moving distance: 500mm

Ø Two coil cars serve the two recoiling mandrels Φ406mm and Φ508

3.14    Hydraulic system

Include one hydraulic station, hydraulic valves, oil pipelines, etc.

Pressure: 16Mpa

        Power: 7.5KW-4（Ⅵ）

        Oil volume of oil: 450L

        Hydraulic valves: Taiwan Vitory;

Hydraulic pump: Yuci Yuken.

3.15   Electric system

3.16   One electric cabinet and Two operation panels.

PLC: Japan Mitsubishi

    Touch screen: Taiwan Weinview.

      Brand of electric parts: German Schneider

3.17   User self-prepare：

a) General switch of electric power, electric wires, cables and conduits

b) Air supply system: Air source Q=0.9m³/min. P=0.8Mpa

c) Lubricating oil (320# for gears, 3# grease for bearings), hydraulic oil（46#）

d) protection fence.

4    Accessories along with machine

Disc cutters: D260×d140×T10mm, material: H13K, HRC56-58°,22pcs

Disc separators: D160×d65 x 3mm, material: 65Mn quenching treatment, 33pcs Complete length of rubber sealings ID200 x OD260mm: 1,400mm

Complete sets of steel cutter spacers: D200 x d140 Complete set of separating spacers made of nylon.