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DHS-1400/1500/1700/1900 Double Rotary Sheet Cutting Machine

Short Description:

Intelligent Double Rotary Sheet Cutting Machine is a high-precision, high-efficiency, high-stability, high-quality product developed using advanced technology from Germany and Taiwan and combined with more than 30 years of experience in producing slitting machines. The current high-end slitting and processing equipment. German high-precision bearings and double-spiral cutting knives, high-speed cutting is fast and stable, with high cutting accuracy. Feature: No Paper Burrs, No Light Spots, No Scratches, No Bends, No Cutting Beveled Corners (Multi-Roll) directly to printer.


Product Detail

Product Tags

Specification

MODEL

DHS-1400

DHS-1500

DHS-1700

DHS-1900

Type of cutting

Double rotary knives; with 6 sets of longitudinal linear servo automatic cutting system (also have pneumatic slitting knife)

Double rotary knives; with 6 sets of longitudinal linear servo automatic cutting system (also have pneumatic slitting knife)

Double rotary knives; with 6 sets of longitudinal linear servo automatic cutting system (also have pneumatic slitting knife)

Double rotary knives; with 6 sets of longitudinal linear servo automatic cutting system (also have pneumatic slitting knife)

Num. of rolls cutting

2 rolls

2 rolls

2 rolls

2 rolls

Discharge side

2-side

2-side

2-side

2-side

Weight of paper

80*2-1000GSM

80*2-1000GSM

80*2-1000GSM

80*2-1000GSM

Max. reel diameter

1800mm(71”)

1800mm(71”)

1800mm(71”)

1800mm(71”)

Max. finished width

1400mm(55”)

1500mm (59")

1700mm(67”)

1900mm(75”)

Finished sheet-Length

450-1650 mm

450-1650 mm

450-1650 mm

450-1650 mm

Max. speed of cutting

300 meters/min

300 meters/min

300 meters/min

300 meters/min

Max. speed of cutting

450 times/min

450 times/min

450 times/min

450 times/min

Cutting accuracy

±0.25mm

±0.25mm

±0.25mm

±0.25mm

Delivery pile height

1600mm (including pallet)

1600mm (including pallet)

1600mm (including pallet)

1600mm (including pallet)

Main motor power

63KW

63kw

63kw

63kw

Total power

95KW

95 kw

95KW

95KW

Air source requirement

0.8Mpa

0.8Mpa

0.8Mpa

0.8Mpa

Voltage

380v; 50hz

380v; 50hz

380v; 50hz

380v; 50hz

 

Advantages:

●  Our reel slitting machine adopts the advanced technology from Taiwan and Germany, and combines with our more than twenty years' experience in producing reel slitting machine.

●   This machine adopts servo motor drive and double rotary blades to cut like scissors with high speed and high precision, which is very different from the traditional cutting method.

●   It adopts German imported blades to effectively reduce the cutting load and noise and prolong the service life of knives. Reach balance adjustment to reduce the vibration of the machine when running at high speed.

●   German high-precision bearings and improved backlash-free gears, low meshing noise, use time is two times longer than the traditional design.

●   Pneumatic slitting knife, center slitting, clean cutting edge, no burns and dust generation, can be directly on the printing machine.

●   Paper cutting speed is divided into fast section and slow section to show the effect of sorting, counting and stacking. It is good for protecting the paper surface from any scratches and without any light spots.

●   Electric control system with energy storage unit saves 30% of power consumption.

Machine Details

A. Reel stand

1. The original paper clamping arm is made of ductile cast iron with special casting process, high strength and never deformed, which ensures the safety of the original paper clamping arm.

2. Hydraulic shaftless paper loading frame can load 2 rolls of paper at the same time.

3. Shaft core 3″6″12″ mechanical expansion chuck, maximum winding diameter φ1800mm.

4. It can automatically control the size of paper tension when cutting paper at high speed.

5. Hydraulic paper φ120*L400MM, hydraulic cylinder φ80*L600MM clamps the paper and moves left and right.

6. Underground paper roll conveying trolley, I-type guide rail.

7. The length of slot trolley is 1M.

8. Maximum wheel load across the guideway: 3tons.

9. Correct straightening and positioning of the paper rolls on the troughing trolley is done by the customer.

10. Enhanced Clamp Device for 2.5 tons paper mill

DHS-1400 1500 1700 19001

B.Bidirectional Anti-Curved Paper Straightening Unit

1.New bidirectional bending paper straightening, dual use thick and thin paper,

2.Effective removal of coil curl high weight coated paper, no powder, so that the paper is flatter, no warping.

3.Automatic control paper press, small steel shaft supported by bearing, chrome-plated surface.

DHS-1400 1500 1700 19002

C. Green Anti-Paper-Break Rubber Roller

1.Rubber roller deflection: The deflection is equipped with standard large and small shafts, and the large and small shafts can be quickly switched to meet different deflection requirements.
2.Pneumatic deflection set, which provides better unwinding effect for high-gloss paper.
3.Large shaft diameter 25mm, small shaft diameter 20mm

DHS-1400 1500 1700 19003

D. Feeding part

1.Manufactured with alloy steel, the hollow roller is precision-machined to φ260MM, dynamically balanced, surface sandblasted, and hard chrome-treated.
2.Driven Roller: The roller surface features imported internal grinding rubber, an 3.expansion groove design, and pneumatic control for pressure paper clamping.
Safety Cover: The safety cover automatically stops the machine when opened, ensuring safety.

DHS-1400 1500 1700 19004

4.Slitting part

Precision machining of steel beam components, equipped with linear guides. The upper blade is pneumatic, and the lower blade is tungsten steel-driven, ensuring smooth and burr-free cutting edges. The high-rigidity knife holder is suitable for cutting speeds of up to 400 meters per minute.

OPTIONAL:

※ Advantages of the Magnetic Levitation IC Linear Motor:

1.Zero maintenance, higher accuracy, and bandwidth.
2.Smoother speed and lower noise.
3.Power transmission without mechanical components such as couplings and toothed belts.
4.No need for gears, bolts, or lubrication, resulting in higher reliability.
5.Flat and compact drive solutions.
6.Simpler and more compact machine design.
7.Compared to ball screws, racks, and gear actuators, higher bandwidth and faster response.
8.Lower noise, fewer components, and lower overall operating costs.

DHS-1400 1500 1700 19005
DHS-1400 1500 1700 19006

5.Cutting part
1.We employ a specialized embedded blade design with a unique structure, ensuring uniform cross-sections for multiple cut pieces, devoid of paper fuzz. It stands as the optimal choice for the high-end roll slitting industry.
2.Upper and lower knife rollers: Adopting the German cutting method, we effectively reduce the load and noise during paper cutting. The knife rollers are crafted from hollow alloy steel, with a precision diameter of φ210MM, and undergo meticulous processing and dynamic balance adjustment. This significantly enhances running speed, reduces vibrations and noise during high-speed operation, and minimizes paper dust.
3.Cutting blades: Crafted with precision from a special hard alloy steel, these blades boast an exceptionally long lifespan, being 3-5 times that of traditional ones. The blade edges are easily adjustable, facilitating precise tuning.

DHS-1400 1500 1700 19007

6.Paper conveying device with waste removal
1.Type: Horizontal multi-stage differential conveying to produce separation counting and paper stacking effects.
2.First conveying section: suction conveying for quick separation and cutting of paper, quick waste discharge device.
3.Second conveying section: suction tail pressure-free deceleration overlay conveying can be single action or continuous action control, adjust the paper to be sent out in tile shape.
4.Paper delivery section: Refined paper separator, which can be adjusted in conjunction with the paper width.
5.The pressure feeding wheel can increase the stability of the paper and avoid paper offset.

DHS-1400 1500 1700 19008

7.Man-machine interface

Electrical Control Section: Incorporates Taiwanese PLC and INVT servo drive control system for enhanced convenience and automation. Cutting length, finished product quantity, total quantity, etc., can be input directly on the touchscreen. Real-time display of actual cutting length and quantity is available. INVTservo drives the rotating knife shaft, in conjunction with an energy storage unit, effectively reducing power consumption, improving efficiency, and lowering production costs.

DHS-1400 1500 1700 19009

8.Automatic Paper Leveling and Stacking Equipment
1.Type: Mechanical lifting stacking paper collecting table, which automatically descends when the paper is stacked to a certain height
2.The maximum effective stacking height of paper is 1500mm (59 ")
3.Paper size: W=1900mm
4.Paper leveling equipment: electric front paper leveling mechanism.
5.Manual paper leveling mechanism on both sides
6.Adjustable tailgate mechanism

DHS-1400 1500 1700 190010

9.Automatic marking machine (Tab inserter device ) both of side

With precise count after insert marking, operators only need to input on the man-machine interface to after the number of paper, can be in accordance with the settings to marking the quantity of paper.One special devices introduce a paper-tab into the pallet that is being . The quantity of sheets between one tab and another is pre-set by the operator .The tab inserts are paper direction into pallets .The PLC will effect to the sheets count and when the pre-set quantity is achieved a tab is inserted between the sheets of the pallet that is being .The tab -inserter is automatically contralled by the PLC or can be manually controlled by two keys ,one which feeds the paper strip and the other one for the strip cutting .

10.Tape Insertor

It has the function of precise counting followed by marking. The operator only needs to input the number of sheets to be marked on the human-machine interface, and then the number of marked sheets can be set according to the settings. A special device is to insert a paper label into the tray. One label is placed between the number of sheets, and the other is the preset operator. The tab inserts the sheet direction into the tray, and the PLC will affect the sheet counting. When the preset number is reached, a label is inserted into the tray. The label inserters are controlled either automatically or manually by two keys, one for feeding the paper tape and the other for cutting the strips.

DHS-1400 1500 1700 190011

Drive Motor System

Spiral knife AC servo motor 90KW

1 SET

Mainframe servo motor drive 63KW

1 SET

Paper feeding AC servo motor 15KW

1 SET

First section high-speed transmission synchronous servo motor 4KW

1 SET

Second conveyor belt variable frequency reduction motor 2.2KW

1 SET

Front paper leveling deceleration motor 0.75KW

1 SET

Reduction motor chain lifting for cardboard lifting table motor 3.7KW

1 SET

 


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