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Products - High-Speed PET-Stretch Blow Molding Machines

5000-12000 Bottles/Hour, Plastic Bottle Blowing Machines
 

A.Brief Introduction
DMK-R4 (4 stations, one mould in each station), 6000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R6 (6 stations, one mould in each station), 9000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R8 (8 stations, one mould in each station), 12000 Bottles/Hour, 1500 bottles/cavity/hour.

DMK-R6,DMK-R8 is the most stable two-step fully automatic high-speed rotary stretch-blow moulding machines(reheat). The capacity of the products is from 0.25L to 2.0L. It can blow pet bottles for different use: carbonated, mineral water, milk, beer, oil, hot filling tea, and other drink packing containers, which is made of plastic of crystalline type, such as PET, PP etc.
DMK-R series has adopted original heating and blowing technics, by which the automatic blowing machine series have achieved in powerful productivity but very reasonable price.
 
B.Machine Construction
B.1. Preform feeding and loading unit
The design of the recycling unit prevents the preforms from getting bound up in the unscrambler. The star wheel design of the feeding unit provides the lowest possible changeover times for switching to different perform sizes.
 
B.2. Linear Oven
A mandrel capable of turning 180 degrees guarantees uniform neck section during the heating. A unique oven ventilation system enables the DMK-R series blower to handle various difficult applications easily.
Power saving: heater is fixed with link of short section, which assures to heat more performs with the same heating length. In this way, it saves electricity of 25%.
B.3. Preform and bottle transfer wheel
The new DMK-R series utilizes a classic double cam telescopic gripper system, this guarantees reliable movement, and easy maintenance.
 
B.4. Molds and Mold Carriers
The mold carrier utilizes a shell blow mold design; this reduces the changeover time for different blow molds. The Mold carriers accommodate all shell type molds from conventional blow molding machines, this saves time and expense for bottle producer. Moreover, the reliable quick locking system maximizes the performance of the mold carriers.
 
B.5. Blowing Station
A changeable cam for the stretching curve guider guarantees the form quality for different size bottles. Monobloc blowing valves achieve the fastest and most consistent blowing process possible. Bottle necks are protected during the blowing stage by a specially designed sealing unit.
 
C.Options:
C.1. PID heating zone system (Option)
Within this system, an infrared thermometer automatically detects the temperature of the performs and adjusts the temperature of the oven as needed. This automatic adjustment avoids the influence of a temperature difference between day time and night; also the system can use an additional lamp alarm, this alarm will sound when it detects any broken or aging lamps.

C.2. Patented Air Recovery system (Option)
We know that most of the production costs for blowing bottles are attributed to generating the high pressure compressed air and applying heat to the preforms. In order to lower these production costs for the bottler producer, Demark Machinery has introduced its patented Air recovery system. This system recovers up to 30% of the final high pressure blowing air and ultimately lowers the cost to produce bottles.

C.3. Air cooling system (Option)
Thanks to the design contributions of our engineer, Demark Machinery has developed a revolutionary air cooling system for hot fill PET bottles. After high pressure blowing, an air cooling stage is introduced to reduce the level of PET residual stress and increase the rate of PET crystallization. After this air cooling process, now PET bottles can stand hot filling without deformation.
 
D.Advantages of Rotary Automatic Stretch-Blow Molding Machines
D.1. High productivity: 1700pcs/cavity/hour
D.2. High eligible rate: above 99.6%
D.3. Adopting SIMENS electric controlling system; with high precision and fast speed
Stable function:
i). blowing system adopts Germany valve and cylinder, which has stable and accurate stretching speed and good product consistency
ii). heating system adopts PHILIPS original infrared lamps, which is good in thermal properties and high in durability.
iii). Germany SEW main electric motor assures stable rotating speed and stable operation.
D.4.Mold fixing structure assures fast mold fixing speed and fast mold changing speed
D.5.Automatic plastic loader and automatic recovery device.
 
E. Research and Development Capacity:
Demark is composed of a powerful team in research and development including more than seventy intermediate and senior technologists. In order to meet different clients' demand, our technologists successfully design and manufacture a series of rotary plastic blow moulding machines: DMK-R4, DMK-R6, DMK-R8, DMK-R10, DMK-R12, DMK-R14 and DMK-R16.
 
F. Advanced Processing Equipment:
Machine center, digital lathe, EDM, such as many imported American and Japanese machine tools assure processing precision and good interchangeable function.
 
G. After Sales Service:
With good brand reputation and attitude of customer-centric, we invite special technologists responsible for after sales.
i). Service hotline is 24-hour on call.
ii). Fast response: Domestic call is handled within 12 hours. 
                           International call is handled within 24 hours. 

H. Technical Parameter:

ITEM

DMK-R4

DMK-R6

DMK-R8

Cold Filling

Hot Filling

Cold Filling

Hot Hilling

Cold Filling

Hot Hilling

productivity:(0.5LBPH)

5600

4700

8400

7000

11200

9000

volume:(L)

0.2-2

0.2-2

0.2-2

0.2-2

0.2-2

0.2-2

material:

PET

PET

PET

PET

PET

PET

Max. diameter:(mm)

120

120

120

120

120

120

Max. height of preform:(mm)

145

145

145

145

145

145

Max. height of bottle:(mm)

320

320

320

320

320

320

power:

380V 50HZ

380V 50HZ

380V 50HZ

380V 50HZ

380V 50HZ

380V 50HZ

installation power:(KW)

4

4

4

4

4

4

oven installation power:(KW)

205

255

205

255

205

255

elevator power:(KW)

1.5

1.5

1.5

1.5

1.5

1.5

cavity:

4

4

4

4

4

4

blowing pressure:(MP)

3.8-4.0

3.8-4.0

3.8-4.0

3.8-4.0

3.8-4.0

3.8-4.0

blowing air flux:(m3/min)

6

16

6

16

6

16

working air pressure:(MP)

0.8

0.8

0.8

0.8

0.8

0.8

working air flux:(m3/min)

6

6

6

6

6

6

eligible rate:(%)

99.6

99.6

99.6

99.6

99.6

99.6

dimension of main machine:(m*m*m)

2.1*2.9*3.1

2.1*2.9*3.1

2.1*2.9*3.1

2.1*2.9*3.1

2.1*2.9*3.1

2.1*2.9*3.1

dimension of oven:(m*m*m)

0.85*3.5*2.6

0.85*3.5*2.6

0.85*3.5*2.6

0.85*3.5*2.6

0.85*3.5*2.6

0.85*3.5*2.6

weight:(Kg)

7500

7500

7500

7500

7500

7500

Learn More>>
 
 
13000-18000 Bottles/Hour , PET Blow Moulding Machines
 

A.Brief Introduction
DMK-R10 (10 stations, one mould in each station), 15000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R12 (12 stations, one mould in each station), 18000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R10,DMK-R12 is the most stable two-step fully automatic high-speed rotary PET stretch-blowing machines(reheat). The capacity of the products is from 0.25L to 2.0L. It can blow pet bottles for different use: carbonated, mineral water, milk, beer, oil, hot filling tea, and other drink packing containers, which is made of plastic of crystalline type, such as PET, PP etc.
DMK-R series has adopted original heating and blowing technics, by which the automatic blowing machine series have achieved in powerful productivity but very reasonable price.
 
B.Machine Construction
B.1. Preform feeding and loading unit
The design of the recycling unit prevents the preforms from getting bound up in the unscrambler. The star wheel design of the feeding unit provides the lowest possible changeover times for switching to different perform sizes.
 
B.2. Linear Oven
A mandrel capable of turning 180 degrees guarantees uniform neck section during the heating. A unique oven ventilation system enables the DMK-R series blower to handle various difficult applications easily.


.Power saving: heater is fixed with link of short section(43.8mm), which assures to heat more performs with the same heating length. In this way, it saves electricity of 25%.
②.Water cooling plate: cooling bottle neck avoid neck deformation during heating.
③.Infrared heat lamps:
    a.  Each lamp is individually adjustable;
    b.  Lamp gripper is adjustable as angle changes;
    c.  Lamp rod is adjustable in length, which is good for bottom heating;

B.3. Preform and bottle transfer wheel
The new DMK-R series utilizes a classic double cam telescopic gripper system, this guarantees reliable movement, and easy maintenance.
 
B.4. Molds and Mold Carriers
The mold carrier utilizes a shell blow mold design; this reduces the changeover time for different blow molds. The Mold carriers accommodate all shell type molds from conventional blow molding machines, this saves time and expense for bottle producer. Moreover, the reliable quick locking system maximizes the performance of the mold carriers.
 
B.5. Blowing Station
A changeable cam for the stretching curve guider guarantees the form quality for different size bottles. Monobloc blowing valves achieve the fastest and most consistent blowing process possible. Bottle necks are protected during the blowing stage by a specially designed sealing unit.
 
C.Options:
C.1. PID heating zone system (Option)
Within this system, an infrared thermometer automatically detects the temperature of the performs and adjusts the temperature of the oven as needed. This automatic adjustment avoids the influence of a temperature difference between day time and night; also the system can use an additional lamp alarm, this alarm will sound when it detects any broken or aging lamps.

C.2. Patented Air Recovery system (Option)
We know that most of the production costs for blowing bottles are attributed to generating the high pressure compressed air and applying heat to the preforms. In order to lower these production costs for the bottler producer, Demark Machinery has introduced its patented Air recovery system. This system recovers up to 30% of the final high pressure blowing air and ultimately lowers the cost to produce bottles.

C.3. Air cooling system (Option)
Thanks to the design contributions of our engineer, Demark Machinery has developed a revolutionary air cooling system for hot fill PET bottles. After high pressure blowing, an air cooling stage is introduced to reduce the level of PET residual stress and increase the rate of PET crystallization. After this air cooling process, now PET bottles can stand hot filling without deformation.
 
D.Advantages of Rotary Automatic Stretch-Blow Molding Machines
D.1. High productivity: 1700pcs/cavity/hour
D.2. High eligible rate: above 99.6%
D.3. Adopting SIMENS electric controlling system; with high precision and fast speed
Stable function:
i). blowing system adopts Germany valve and cylinder, which has stable and accurate stretching speed and good product consistency
ii). heating system adopts PHILIPS original infrared lamps, which is good in thermal properties and high in durability.
iii). Germany SEW main electric motor assures stable rotating speed and stable operation.
D.4.Mold fixing structure assures fast mold fixing speed and fast mold changing speed
D.5.Automatic plastic loader and automatic recovery device.
 
E. Research and Development Capacity:
Demark is composed of a powerful team in research and development including more than seventy intermediate and senior technologists. In order to meet different clients' demand, our technologists successfully design and manufacture a series of rotary plastic blow moulding machines: DMK-R4, DMK-R6, DMK-R8, DMK-R10, DMK-R12, DMK-R14 and DMK-R16.
 
F. Advanced Processing Equipment:
Machine center, digital lathe, EDM, such as many imported American and Japanese machine tools assure processing precision and good interchangeable function.
 
G. After Sales Service:
With good brand reputation and attitude of customer-centric, we invite special technologists responsible for after sales.
i). Service hotline is 24-hour on call.
ii). Fast response: Domestic call is handled within 12 hours. 
                           International call is handled within 24 hours. 

H. Technical Parameter:

ITEM

DMK-R10

DMK-R12

For Cold Filling

For Hot Filling

For Cold Filling

For Hot Filling

productivity:(0.5L/BPH)

14500

11000

17500

13000

volume:(L)

0.2~2

0.2~2

0.2~2

0.2~2

material:

PET

PET

PET

PET

Max. diameter:(mm)

120

120

120

120

Max. height of preform:(mm)

145

145

145

145

Max. height of bottle:(mm)

320

320

320

320

power:

380V 50HZ

380V 50HZ

380V 50HZ

380V 50HZ

installation power:(KW)

4

4

4

4

oven installation power:(KW)

216

216

216

216

elevator power:(KW)

1.5

1.5

1.5

1.5

cavity:

10

10

12

12

blowing pressure:(MP)

3.8~4.0

3.8~4.0

3.8~4.0

3.8~4.0

blowing air flux:(m3/min)

10

24

12

30

working air pressure:(MP)

0.8

0.8

0.8

0.8

working air flux:(m3/min)

7

7

7

7

eligible rate:(%)

99.6

99.6

99.6

99.6

dimension of main machine:(m*m*m)

2.3×3.15×3.1

2.3×3.15×3.1

2.3×3.15×3.1

2.3×3.15×3.1

dimension of oven:(m*m*m)

3.9×1.03×2

3.9×1.03×2

3.9×1.03×2

3.9×1.03×2

weight:(Kg)

15000

16000

16000

17000

Learn More>>
 
 
18500-24000/bph, Max.600mL Stretch-Blow Molding Machines
 

A.Brief Introduction
DMK-R14 (14 stations, one mould in each station), 21000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R16 (16 stations, one mould in each station), 24000 Bottles/Hour, 1500 bottles/cavity/hour.
DMK-R14,DMK-R16 is the most stable two-step fully automatic high-speed rotary PET stretch-blowing machines(reheat). The capacity of the products is from 0.25L to 650mL. It can blow pet bottles for different use: carbonated, mineral water, milk, beer, oil, hot filling tea, and other drink packing containers, which is made of plastic of crystalline type, such as PET, PP etc.
DMK-R series has adopted original heating and blowing technics, by which the automatic blowing machine series have achieved in powerful productivity but very reasonable price.

B.Machine Construction
B.1. Preform feeding and loading unit
The design of the recycling unit prevents the preforms from getting bound up in the unscrambler. The star wheel design of the feeding unit provides the lowest possible changeover times for switching to different perform sizes.
 
B.2. Linear Oven
A mandrel capable of turning 180 degrees guarantees uniform neck section during the heating. A unique oven ventilation system enables the DMK-R series blower to handle various difficult applications easily.

.Power saving: heater is fixed with link of short section(43.8mm), which assures to heat more performs with the same heating length. In this way, it saves electricity of 25%.
②.Water cooling plate: cooling bottle neck avoid neck deformation during heating.
③.Infrared heat lamps:
    a.  Each lamp is individually adjustable;
    b.  Lamp gripper is adjustable as angle changes;
    c.  Lamp rod is adjustable in length, which is good for bottom heating;

B.3. Preform and bottle transfer wheel
The new DMK-R series utilizes a classic double cam telescopic gripper system, this guarantees reliable movement, and easy maintenance.
 
B.4. Molds and Mold Carriers
The mold carrier utilizes a shell blow mold design; this reduces the changeover time for different blow molds. The Mold carriers accommodate all shell type molds from conventional blow molding machines, this saves time and expense for bottle producer. Moreover, the reliable quick locking system maximizes the performance of the mold carriers.
 
B.5. Blowing Station
A changeable cam for the stretching curve guider guarantees the form quality for different size bottles. Monobloc blowing valves achieve the fastest and most consistent blowing process possible. Bottle necks are protected during the blowing stage by a specially designed sealing unit.

C.Options:
C.1. PID heating zone system (Option)
Within this system, an infrared thermometer automatically detects the temperature of the performs and adjusts the temperature of the oven as needed. This automatic adjustment avoids the influence of a temperature difference between day time and night; also the system can use an additional lamp alarm, this alarm will sound when it detects any broken or aging lamps.

C.2. Patented Air Recovery system (Option)
We know that most of the production costs for blowing bottles are attributed to generating the high pressure compressed air and applying heat to the preforms. In order to lower these production costs for the bottler producer, Demark Machinery has introduced its patented Air recovery system. This system recovers up to 30% of the final high pressure blowing air and ultimately lowers the cost to produce bottles.

C.3. Air cooling system (Option)
Thanks to the design contributions of our engineer, Demark Machinery has developed a revolutionary air cooling system for hot fill PET bottles. After high pressure blowing, an air cooling stage is introduced to reduce the level of PET residual stress and increase the rate of PET crystallization. After this air cooling process, now PET bottles can stand hot filling without deformation.
 
D.Advantages of Rotary Automatic Stretch-Blow Molding Machines
D.1. High productivity: 1700pcs/cavity/hour
D.2. High eligible rate: above 99.6%
D.3. Adopting SIMENS electric controlling system; with high precision and fast speed
Stable function:
i). blowing system adopts Germany valve and cylinder, which has stable and accurate stretching speed and good product consistency
ii). heating system adopts PHILIPS original infrared lamps, which is good in thermal properties and high in durability.
iii). Germany SEW main electric motor assures stable rotating speed and stable operation.
D.4.Mold fixing structure assures fast mold fixing speed and fast mold changing speed
D.5.Automatic plastic loader and automatic recovery device.
 
E. Research and Development Capacity:
Demark is composed of a powerful team in research and development including more than seventy intermediate and senior technologists. In order to meet different clients' demand, our technologists successfully design and manufacture a series of rotary plastic blow moulding machines: DMK-R4, DMK-R6, DMK-R8, DMK-R10, DMK-R12, DMK-R14 and DMK-R16.
 
F. Advanced Processing Equipment:
Machine center, digital lathe, EDM, such as many imported American and Japanese machine tools assure processing precision and good interchangeable function.
 
G. After Sales Service:
With good brand reputation and attitude of customer-centric, we invite special technologists responsible for after sales.
i). Service hotline is 24-hour on call.
ii). Fast response: Domestic call is handled within 12 hours. 
                           International call is handled within 24 hours. 

H. Technical Parameter:

ITEM

DMK-R14

DMK-R16

For Cold Filling

For Hot Filling

For Cold Filling

For Hot Filling

productivity:(0.5L/BPH)

20000

15000

23000

17000

volume:(L)

0.2~0.65

0.2~0.65

0.2~0.65

0.2~0.65

material:

PET

PET

PET

PET

Max. diameter:(mm)

65

65

65

65

Max. height of preform:(mm)

145

145

145

145

Max. height of bottle:(mm)

250

250

250

250

power:

380V 50HZ

380V 50HZ

380V 50HZ

380V 50HZ

installation power:(KW)

4

4

4

4

oven installation power:(KW)

216

216

250

250

elevator power:(KW)

1.5

1.5

1.5

1.5

cavity:

14

14

16

16

blowing pressure:(MP)

3.8~4.0

3.8~4.0

3.8~4.0

3.8~4.0

blowing air flux:(m3/min)

14

34

16

38

working air pressure:(MP)

0.8

0.8

0.8

0.8

working air flux:(m3/min)

7

7

7

7

eligible rate:(%)

99.6

99.6

99.6

99.6

dimension of main machine:(m*m*m)

2.3×3.15×2.6

2.3×3.15×2.6

2.3×3.15×2.6

2.3×3.15×2.6

dimension of oven:(m*m*m)

3.9×1.03×2

3.9×1.03×2

4.2×1.03×2

4.2×1.03×2

weight:(Kg)

16500

17500

18500

19500

Learn More>>
 
 
2000-6000 Bottles/Hour, Linear Bottle Blow Molder(Reheat)
 

Video :  DMK-L4    DMK-L6H

A.Brief Introduction
DMK-L series are the most stable two-step fully-automatic pet stretch-blow moulding machines(reheat). It has one to six cavities and the maximum capacity of the products is 2L. It can blow bottles in shapes: carbonated, mineral, pesticide, cosmetics, wide-mouth, hot filling, and other packing containers, which is made of plastic of crystalline type, such as PET and PP etc.
1).High Automatization
2).High Intelligence:The machine can be controlled through touch screen and running status is shown on it.
3).High Quanlity:Steady infrared heating system blowing and highly precise blow-mould closing system ensure quality.
4).High Speed:2000BPH(2-cavity), 3000BPH(3-cavity), 4000BPH(4-cavity), 6000BPH(6-cavity).
5).No Contamination:Closed production zone, good self-lubrication system avoid contamination.
6).Low Cost:Low consumption of electricity, air and water.
7).High Transparency:Easy maintenance, absolute safely, visual inspection, low noise.
 
B.Settings:
a).PLC colour display: SIEMENS(GERMANY)
b).Pneumatic parts:FESTO(GERMANY)
c).Controller of preform transfer:Servo motor National(JAPAN)
d).Other electric parts are all world-famous brand

C.Machine Features:
C.1. Stable performance with advanced PLC.
C.2. Conveying preforms automatically with conveyor.
C.3. Strong penetrability and good and swift distribution of the heat by letting the bottles rotate by itself and revolute in the rails simultaneously in the infrared preheater.
C.4. High adjustability to enable the preheater to preheat preforms in shapes by adjusting the light tube and the length of the reflecting board in the preheating area, and eternal temperature in the preheater with an automatic thermostatic apparatus.
C.5. High safeties with security automatic-locking apparatus in each mechanical action, which will make the procedures turn into a state of safety in case of a breakdown in certain procedure.
C.6. No contamination and low noise with the air cylinder to drive the action instead of the oil pump.
C.7. Satisfaction with different atmospheric pressure for blowing and mechanical action by dividing the blowing and action into three parts in the air pressure diagram of the machine.
C.8. Strong clamping force with high pressure and double crank links to lock the mold.
C.9. Two ways of operating: automatic and manual.
C.10. Safe, reliable, and unique design of the position of valve to make the air pressure diagram of the machine easier to understand.
C.11. Low cost, high efficiency, easy operation, easy maintenance, etc, with automatic technological process.
C.12. Contamination is avoided for the bottle body.
C.13. Ideal effect of the chilling with the chilling system.
C.14. Easy installation and starting
C.15. Low rejection rate: less than 0.2 percent.

D. Technical Parameter:

ITEM

DMK-L2

DMK-L3

DMK-L4

DMK-L6

Theoretical output

2000

3000

4000

6000

Max.container volume

1.25L

2L

1.25L

0.7L

Max.neck diameter

38MM

38MM

38MM

38MM

Max.container diameter

80MM

105MM

80MM

60MM

Max.container height

320MM

335MM

320MM

265MM

Number of cavity

2

3

4

6

Number of lamp

28

100

70

60

Max.heating power

42KW

100KW

84KW

90KW

Installation power

50KW

110KW

95KW

100KW

Actual power consumption

35KW

45KW

40KW

50KW

Operatating low pressure

0.7Mpa

0.7Mpa

0.7Mpa

0.7Mpa

Low pressure consuming

1400L/min

2000L/min

2000L/min

2000L/min

Blowing pressure

3.5Mpa

3.5Mpa

3.5Mpa

3.5Mpa

High pressure consuming

3500L/min

5500L/min

5000L/min

4500L/min

Operating pressure

0.3-0.5Mpa

0.3-0.5Mpa

0.3-0.5Mpa

0.3-0.5Mpa

Temperatuer

10

10

10

10℃

Flow rater

30 L/min

40 L/min

40 L/min

50L/min

Machine dimension

2.7×1.8×2.2

3.5×2×2.2

4×2×2.2

4.9×2.15×2.2

Machine weight

3500Kg

4200Kg

4800Kg

5000Kg

Learn More>>
 
 
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