Artificial leather PVC Calender Machine High Precision / 4 roll calendering

Product Specification

Artificial Leather Machine 4 Roll Calender Machine Anti-Abrasive With High Precision

Main character:

SY-4Г24″×80″ (Φ610×1830mm) PVC Calendering Line

A. Summary for final products

1. This production plant is suitable for PVC transparent film ;
2. Thickness of final products: 0.08~0.5mm;
3. Width of final products: 1400mm;
4. Linear velocity of producing: 0~110m/min;
5. Capacity:600T/month;
6. Heating method:oil heating.

B. Configuration and energy cost list

C. Technological process

SHR-500A High speed mixer 2sets→S-100L Banbury mixer 1set→SK-Φ660*2300 Mixing mill→SK-Φ610*2030 Mixing mill→SJL-250      Plastic Strainer→SY-4Г Φ610*1830 4-rollers calendering line→Assist machines after calendering

D. Technical parameter of equipments

a. SHR-500A High speed mixer

• 55/75KW double speed motor, famous brand in China;
• 6mm thickness stainless steel wall of mixing barrel; 8mm thickness stainless steel bottom of mixing barrel; stainless steel ektexine  of barrel (corrosion proof, easy to clean); with a stainless steel hopper in the cover  
• 3pcs type stainless oar, the bottom oar is fluted type; the rotary speed is 380/760 RPM;
• The principal axis is sealed with Teflon;
• The bracket of the mixer is jointed of high quality steel board;
• The blast deflector is welded on the top of the wall in barrel;
• With electric heating system and temp. testing galvanic couple
• pneumatic   type discharging
• Chinese famous brand contactor
• Chinese famous brand digital display temp. meter;

b. S-100L Banbury mixer

1. Technical parameter

• Rotary speed of front roll: 40r/min;
• Rotary speed of back roll: 34r/min;
• Motor power: AC 220kw/380W/50Hz;
• Drop discharging type;
• Oil heating or steam heating type;
• Capacity: 10~15 batches/hour, 110~120kg/batch
• Pressed air: 3m/min

2. Main character

• Precision roller sphere bearing;
• Use heating oil or steam in the intermediate of the kneading room
• Compulsory lubrication;
• This machine can open the discharge door by person when the electric is off;
• Chrome plated of the rotors 

c. SK-Φ660×2300 Mixing mill

1. Technical parameter

• Roll size:Φ660×2300mm
• Speed radio of front/back rolls:1.22:1
• Rotary speed of front roll:42.65m/min
• Rotary speed of back roll:34.96m/min
• Motor power:132kw;
• Oil heating;

2. Main character

• The rollers are made of cold hard cast iron, HS68~72;
• Hollow roller filled with hot oil and with swivel joint and soft metal pipe;
• Adjust equipment for space between 2 rollers, compulsory lubrication;
• Hard tooth gear box, low noise, long life, cardan shaft drive, with automatic writhe equipment;
• Emergency stop equipment;
• Electric control cabinet

d. SK-Φ610×2030 Mixing mill

1. Technical parameter

• Roll size:Φ610×2030mm;
• Speed radio of front/back rolls:1.22:1
• Rotary speed of front roll:42.65m/min
• Rotary speed of back roll:34.96m/min
• Motor power: 90kW, 740r/min
• Oil heating;

2. Main character

• The rollers are made of cold hard cast iron, HS68~72;
• Hollow roller filled with hot oil and with swivel joint and soft metal pipe;
• Adjust equipment for space between 2 rollers, compulsory lubrication;
• Hard tooth gear box, low noise, long life, cardan shaft drive, with automatic writhe equipment;
• Emergency stop equipment;
• Electric control cabinet

e. SJL-Φ250 Strainer

1. Technical parameter

• Rotary speed: 75r/min;
• L/D=5.5:1;
• Motor power: DC110kW, n=1500m/min;
• Capacity: 800~1500kg/h;
• Material of screw and barrel: 38CrMoALA nitrogen treated

2. Main character

• Double die heads which operated with hydraulic pressure;
• DC timing;
• With automatic opening the die head when the electric is off to avoid the coke charge

f. SY-4Г24”*72”(Φ610×1830) 4-Rollers Calendering Machine

1. Technical parameter

• Roller size and quantity:Φ610×1830mm  4pcs
• Rotary speed of rollers: 0~120m/min;
• Motor power:             1#roller: DC75kW

2#roller: DC90kW

3#roller: DC90kW

4#roller: DC75kW

• Thickness of the final products: 0.08～0.5mm

• Oil heating

2. Main character

• The rollers are made of cold hard cast iron, HS68~72; 1# ,2#,3# and 4# rollers are drilled ones, surface roughness Ra0.2;
• Oil heating, with swivel joint and soft metal pipe;
• Special bearings for calendering machines, high precision and intension, anti abrasive, working life ≧ 60000 hours, can reach 250℃, no oil leaking, compulsory lubrication; 
• The space between 1#, 2# and 4# roller are adjusted by 3 sets of double speed motors which drive the gear boxes;
• 3#roller has axes cross equipment and pullback equipment, electric adjusting the space, hydraulic lock, the max. cross ±25mm
• Use 4sets of 6 grade high precision hard tooth gear boxes, low noise, long working life (normal use ≧50000 hours), drive by cardan shaft. The speed of every roller can adjust conveniently;
• 4#roller equipped with side cutting part to cut the overflowing material cover on the roller and let it back to the 4-roller calendering machine;
• Eurotherm brand (England)  DC controller;
• With independent thin oil lubrication system, the drive motor can just operate after the lubrication station start;
• With emergency stop equipments in 4 directions;
• The bracket is jointed with the steel board, high temp. backfire treatment;

g. Assist machines

1. Technical parameter

• Moving type;
• Width of the rollers: 1830mm;
• Linear velocity: 110m/min;
• Embossing device: one section type;
• Cooling equipment: ￠450*2130mm, 9pcs of jacket construction;

2. Main character

◆  Embossing device: fixed on the frame of the main machine

1. Smooth roller: 1pc; Φ260×2030mm;
2. Silica gel roller (with carborundum): 1pc; Φ310×2030mm;
3. Motor power (frequency conversion motor): 5.5kW

◆ Cooling device:

1. Roller size: Φ450×2130mm；Q’ty: 9pcs; jacket type, chrome plated;
2. The space between 2 rollers is 120mm, with cooling swivel joint;
3. Motor power (frequency conversion): 7.5kW

◆ Haul-off equipment: (Pneumatic operation)

1. Rubber roller: 1pc; Φ215×2130mm;
2. Smooth roller: 1pc; Φ215×2130mm;
3. Motor power (frequency conversion):4kW.

◆ Trimming device:

1. 2sets of disk blade device can landscape orientation moving; can adjust together or independently. Motor power: 1.5kW*2;

◆ 4-rollers surface winding machine: 1set

1. Roller size:  Φ315×2130mm; quantity: 4pcs;
2. Motor power (frequency conversion):3kW; Linear velocity: V=10~30m/min.

All these motor timing are FUJI brand (Japan, made in China), can adjust together or independently; digital display of linear velocity.

h. Electric control system of calendering machine & assist machines

1. DC control for calendering machine, 70m/min. AC control for all assist machines, 130m/min; the precision of adjusting is between ±1.0%
2. The electric control system contains the “DC/AC main electric control cabinet “and the “operation panel (piano type)”
3. The air switch, contactor, buttons and indicator lights are Schneider brand; other electric equipments use Chinese famous brand;
4. Every unit in calendering plant can operate together or independently. We intercalate the high-precision corresponding digital display meter on the operation panel. (Linear velocity, electric current, space between the rollers, temper of the rollers, etc)
5. The electric control system has the interlocking device for proving the machines. Ever since the lubrication station, oil pumping, lubrication pump for gear box and fan cooling system started, the DC motor of calendering machines can operate. Moreover, ever since the DC motor of calendering machines is operating, the lubrication station, oil pump for gear box and fan cooling system cannot power off.

i. Conveyer belt: totally 4pcs

1. S-100L banbury mixer→SK-Φ610×2130 mixing mill:1pc;
2. SK-Φ610×2130 mixing mill→SK-Φ560×1830 mixing mil:1pc;
3. SK-Φ560×1830 mixing mill→SJL-Φ250 strainer: 1pc;
4. SJL-Φ250 strainer→SY-4ГΦ610×2030 4-rollers calendering machine: 1pc
5.  

j. Automatic temper control system: totally 7sets

• SK-Φ610×2030mm mixing mill: 1set;
• SK-Φ560×1830mm mixing mill: 1set;
• SJL-Φ250 Strainer: 1set;
• SY-4ГΦ610×1830mm 4-roller calendering machine 4sets

E. Installing & debugging service

1. After the contract is confirmed, the seller will supply the plan of the workshop, foundation chart and the chart of rubber roller, square axes & all kinds of rollers. Every operation manual will be supplied by seller, too.
2. Instructiveness installing & debugging;
3. The buyer should supply the spare pipes and electric wires, the seller just advices the specification or the model of them.

F. Other terms:

1. Delivery period: totally 8 months after the contact is confirmed;
2. Payment: 30% of the total amount by T/T in advance as down payment, 70% of total amount by L/C;
3. Spare parts: The seller supplies one set of valueless vulnerable parts for free. The seller also suggest that the buyer buy one set of several spare parts for storage one year’s operation. The seller will show the list of spare parts to the buyer for his choose before delivery.
4. Exterior and color: Exterior and color of the machines are based on the seller’s standard. Off course we can produce according to buyer’s shade-guide;
5. Electric power: The quotation above is based on 380V/50Hz. There will be some additional fee and extended producing time for custom-built electric power requirements 
6. Warranty period:
   1. Machines: one year after successful debugging;
   2. Electrical components: 6 months after successful debugging;
7. Debugging service aboard: The seller sends four technical workers (or more as buyer’s request) to the place which appointed by the buyer for instructing the debugging service;
   1.    The seller is in charge of the fee cost in China but except for the visa charge.;
   2.    The buyer is in charge of the fee cost aboard and the visa charge. This fee includes but not limited as below:

1. Flight fee for cruise;
2. Traffic, meal and living fee during evection;
3. Allowance(manpower fee) USD 40.00 for one person one day
4. Transporter: The buyer should hire a translator for convenient communication. Otherwise the seller will send an additional translator. The buyer should be in charge of this cost (refer to a~d).

Applications:

Four Roll Calender is Mainly used in calender line for manufacturing soft PVC products such as banner,.

clothes packing bag,wrapping film,plastic floor,PVC leatheroid,etc.

Specifications: