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SCJ-75E+S2X6.5G (70) Blow Molding Machine

This 0.5L oil bottle blow molding machine is directly driven by servo motor. This can save more energy compared with hydraulic machines, which may lead to energy loss during energy conversion. Short production time, with the fastest production time reaching 19.6s.

Advantages
1. All-electric configuration, saving 50%-60% of energy than hydraulic blow molding machines. 2. Digital control for precise operation: mold movement precision has improved from 0.05mm of hydraulic machines to 0.03mm. 3. This 0.5L oil bottle blow molding machine is directly driven by servo motor. This can save more energy compared with hydraulic machines, which may lead to energy loss during energy conversion. 4. Short production time, with the fastest production time reaching 19.6s. 5. Our plastic bottle blow molding machine can save labor cost: if equipped with three-axis servo driven robots, 2 less staff will be required for each machine. This will significantly reduce expenses on staff wage and labor management. 6. This 0.5L oil bottle blow molding machine is suitable for industries that have strict requirements on health, such as food, beverage, medicine, etc. 7. This plastic bottle blow molding machine has obtained a number of utility models.
Features
1. This plastic bottle blow molding machine is equipped with servo motor driven die-head, electric blow pin, etc. 2. German Siemens S7-200 color touch screen with 0.37μs PLC response speed. 3. The movement of blow pin can be adjusted through the screen, with no need of manual adjustment. 4. This 0.5L oil bottle blow molding machine has replaced the hydraulic cylinder and displacement sensor with servo motor and ball screw rod, featuring accurate movement and fast response. 5. Our plastic bottle blow molding machine is designed with electric lifting platform and deburring device. 6. The 0.5L oil bottle blow molding machine uses pneumatic, hydraulic and electrical control elements from well-known brands for durable service life. 7. Automatic material loading machine and conveyor are optional for flow production. 8. It uses variable frequency extrusion motor to meet the speed change requirements of screw. 9. The plastic bottle blow molding machine uses approach switch from Swiss Contrinex for enhanced safety.
others

Optional Devices

1. To facilitate feeding, users can choose to add a hydraulic automatic filter device, as well as wall thickness control, or automatic deburring device. 2. Optional pre-sealing cutting knife, transverse cutting knife, imported hot knife, cold cutting knife, etc. 3. Optional thickness controller. 5. Optional permanent magnet brushless DC motor independently developed by Leshan for 4L oil bottle blowing machines, reducing energy consumption by 8% to 15%. 6. Optional macromolecular mixing screw to ensure product performance as well as reduce material consumption by 15% to 30%. 7. Optional Austria SIGMATEK control system, which performs 10 times faster than the traditional cycle refresh mode. 8. Optional remote after-sales service system: automatic fault diagnosis, maintenance records, statistics report, video transmission, remote SMS notification and alarm, etc. 9. Optional air conveying system, conveyor belt, automatic feeding system, 4 in 1 feeding machine. 10. Optional mold internal labeling function, online leak detection function. 11. Optional forward and backward moving platform to facilitate mold installation. 12. Optional pre-clamping function, 2-axis servo motor, single axis servo motor. 13. Screw or row type mold head, continuous extrusion die head and storage mold head are available.

Technical Data

Item

Unit

Specifications

Basic Information

Category

/

Single layer
Max. Volume

L

0.5L × 6
Material

/

PE, PP
No. of Die Head

/

6
Die Head Center Distance

mm

90
Net Weight

kg

12000
Dimensions (L × H × W)

mm

4000 × 2600 × 4000

Die Head

No. of Die Head Heating Zone

/

13
Die Head Heating Power

kW

8.4

Clamping Unit

No. of Clamping Station

/

2
Min. Clamping Distance of Mold

mm

250
Clamping Stroke

mm

200
Max. Mold Dimensions (W × H)

mm

600 × 370
Clamping Force

KN

125

Extruder Unit

Screw Diameter

mm

75
Screw Length / Diameter Ratio

L/D

24
Screw Rotational Speed

r/min

10 - 77
Max. Extrusion Capacity

kg/h

120
Extruder Motor Power

kW

30
Barrel Heating Zone

/

4
Barrel Heating Power

kW

12.5

Power Unit

Electric Mold Movement

kW

5.5 / 5.5
Electric Mold Clamping

kW

4.5 / 4.5
Electric Blow Pin

kW

3 / 3
Electric Thickness Control

kW

4.5
Hydraulic System Working Pressure

MPa

/
Pneumatic System Working Pressure

MPa

0.6 - 0.8
Cooling System Working Pressure

MPa

0.2 - 0.3
Air Consumption

m³/h

8 - 10
Hot Knife Power

kW

2
Total Power

kW

75.9

Remarks

Recommended Crusher

HP

8 - 10
Recommended Chiller

HP

2
Recommended Air Compressor

HP

75.9

After Adding Wall Thickness Control

Model

/

10
Servo Motor Power

kW

8
Total Power

kW

10

Precautions and Operation

1. Preparation before production (1) Check if parts and components are damaged, screws are loose, wires and cables are damaged or lost. If there is any damage, replace or repair them in time. (2) Check if there is any debris in the hopper of extruder and clean it up, then close the discharge gate. (3) Check if the moving parts are firm, especially where the impact force is strong, and check if the belt transmission part is normal. (4) Check the high and low pressure air source, power supply and water supply. (5) Check the emergency stop switch, safety door switch and protection device. (6) Check if any pneumatic component leaks gas. (7) Please operate according to the operation manual. 2. Production in the normal course When the machine is working, a person should be assigned to supervise it and handle any issues. As this 0.5L oil bottle blow molding machine enjoys high degree of automation, the workload during normal production is quite low. Users just need to add raw materials at regular intervals, and collect finished products and burrs at designated position of this 4L oil bottle blowing machine.

Maintenance

For optimal performance and extended service life, please regularly inspect and maintain this plastic bottle blow molding machine. 1. During the normal production, please lubricate the machine according to the lubrication schedule. If stop using the machine for more than a month, apply rust-proof oil to each guide pillar, and cover the pillar with sheet to prevent dust and other corrosive substances. Regularly clean and oil the pillars. 2. According to statistics, more than 85% of failure of hydraulic system is caused by pollution of hydraulic oil, so it is of great importance to keep the hydraulic oil clean and extend the service life of the hydraulic system. The hydraulic system of this plastic bottle blow molding machine allows maximum oil pollution of NAS 1638 11. No corrosive substance is allowed to be mixed in the hydraulic oil, and the oil shall be filtered by filter with the filtration precision of 2020μ. 3. Daily routine check Check the temperature of the hydraulic oil, and adjust the cold water supply when necessary to keep the oil temperature between 30 and 50 degrees. 4. Weekly routine check (1) Lubricate each part. (2) Whether the stroke switch of installation screw is off. (3) Whether there is oil spill in the oil pipes and joints, and tighten them if necessary. (4) Whether the machine is leaking oil or gas. 5. Monthly routine check (1) Whether the joints of each circuit are loose. (2) Whether the hydraulic oil is clean and sufficient. Clean the air cleaner. (3) Whether the filter is blocked. (4) Lubricate the lubricating parts. (5) Whether the exhaust fan works, clean the dust on the dust net and replace the net in time to avoid influencing heat dissipation of electric box. (6) Whether the water can flow smoothly, and whether there is any scale deposit. (7) Check the extrusion belt. 6. Annual routine inspection (1) Replace the pressure oil to extend the service life of oil valve, oil pump and sealing rings. (2) Clean thermocouple contact points. (3) Check all wire connection points in the electric box to see whether the rubber shell of each wire is hardened to prevent leakage. (4) Check all indicator lights. (5) Clean the motor. Dust on the motor housing may lead to difficulty in heat dissipation. (6) Clean up the scale deposits. (7) Clean the tank of hydraulic system. (8) Check the pneumatic system.

Failure Analysis and Troubleshooting

Accidental failure is inevitable in the continuous operation of the 0.5L oil bottle blow molding machine. Here are some of the common troubleshooting methods:

Mechanical Transmission

Failure

Analysis and Solution

Motor workload increase 1. Damage of gearbox bearing. 2. Severe friction between screw and barrel. 3. The plasticization temperature of raw materials is not enough.
Noisy gearbox 1. Bearing failure. 2. Insufficient or dirty lubricating oil. 3. The wear or crack of gear box.

Pneumatic Liquid Control

Direction valve doesn’t work 1. Dirty hydraulic oil or air; distortion of the valve core. 2. Blocking of return air or oil circuit. 3. Damage of direction valve coil or wiring off. 4. Valve core stuck or sealing leakage.
Unstable clamping force 1. Damage of clamping cylinder or oil cylinder seal (need to be replaced). 2. Wrong position or leakage of stop valve or reversing valve.
Oil temperature is too high 1. The oil tank is short of oil. 2. Not enough cooling water or serious fouling chiller. 3. Damage of overflow valve.
Insufficient air pressure and oil pressure 1. The wear of compressor or oil pump leads to the leakage. 2. Short of oil for the oil tank and entering of air for the oil pump (need to add hydraulic oil). 3. Blocking of filter and oil filter (need to be cleaned).

Electrical Control

The temperature of heating parts don’t rise, and the current meter doesn’t work 1. The power is not connected. 2. The connection of electric heating circuit is loose. 3. The electric heater is damaged by short circuit. 4. The current meter is damaged.
Extruder motor and oil pump motor don’t work or fail 1. Check if there is circuit failure or phase failure. 2. Check if the rotation direction of motor is right. 3. The pressure exceeds load or motor overload.
Swing frame doesn’t work 1. The blow pin must be raised to the upper limit and contact the limiting rod with the induction switch. 2. The die board must be in place.
The temperature of cutting knives can’t be controlled 1. Rotate the hand wheel of voltage regulator, then you can change the temperature of cutting knives. 2. Check the output voltage of transformer and it should be changed with the voltage regulator.
Machine can’t work normally 1. Check if the position of each limit switch is appropriate. 2. Check if the wring section is loose. 3. Damage of electric components.

S

ervice

C

ommitment

"Be happy to create new technology, and be pleasant to promote user development”. Leshan focuses on providing users with high-quality and efficient services. Customers will feel increasingly confident with our professional, careful and responsive services. The following after-sales services are included: 1. We provide one-year equipment warranty and permanent maintenance service. 2. Free installation, debugging and instruction for users. 3. Free training of maintenance workers for users. 4. After-sales service center in each region and 24-hour service hotline. 5. VIP line for users with emergent needs of part processing and purchasing.

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