LR-6L Semi-automatic blow mould machine

LR-6L Semi-automatic blow mould machine can blow the raw material of PET, PP, PC, PE, PS and such plastic raw material bottles or any similar packing containers. It has the most advanced blow control system and gearing, with the high quantity blow mould, make your products more strong, transparency, and more competitiveness.

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LR-6L Semi-automatic blow mould machine

longrui semiautomatic oil bottle blowing machine                                 longrui semi-automatic PET bottle blow molding machine

This type machine can blow the raw material of PET, PP, PC, PE, PS and such plastic raw material bottles or any similar packing containers. The max blow stress can be 4.5Mpa, use the advanced blow control system, with the high quantity blow mould, make your products more strong, transparency, and more competitiveness.

Semi-automatic blow mould machine Features:

1, Strong clamping force with high pressure and double crank links to lock the mold.

2,adjustable mold install systerm.

3,Whole set casting.

4,The advantaged mold move stytem can ensure the bottle preform won’t drop during the production.

5,Double start systerm and built-in saftity systerm to avoid the occupational injury.

6,advantaged the electic air control systerm , stable preferrnance with advanced PLC.


7,No contamination and low noise with the air cylinder to drive the action.

8,Bigger mold stroke, the move mold 245MM, and the item volume 500ml—8000ml, container diameter 160mm

Low cost, high efficiency, easy operation, easy maintenance.

9,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.

10,Ideal effect of the chilling with the chilling system.

11,Easy installation and starting.

Semi-automatic blow mould machine

Max container volume7L(max)1 cavity3L(max)2-cavity
Theoretical output400pcs/hour700pcs per hour 2-cavity
Heating power10kw
blowing pressure<4.0Mpa
Mold stroke245mm
temperature control6unit
mesurement of main blower1700×600×1700L*W*H.unpacked
Measurement of preheater2000×650×1450L*W*H.unpacked
weight of main blower950kgnet weight
preheater systemfar infraredRotary heating system
Mold thickness160~260 mm


LR Semi-automatic blow mould machine Configuration

Component NameModel BModel CModel D
Main frameWhole set castingWhole set castingWhole set casting
Mould movingMid-moving platenMid-moving platenMid-moving platen
Clamping cylinderNingboJoint venture MOHO,Japanese SMC
Japanese sealing parts
Sealing cylinderNingboJoint venture MOHO,Japanese SMC
Japanese sealing parts
Stretching cylinderNingboJoint venture MOHO,Japanese SMC
Japanese sealing parts
Action/operation valveSouth Korean YSCGerman BOSCHGerman BOSCH
Blowing valveNingboAmerican PneumaticAmerican PARKER
Process controllerNanjing BothfitJapanese MITSUBISHIJapanese MITSUBISHI
MonitorNanjing BothfitJapanese MITSUBISHIJapanese MITSUBISHI Touching screen
Frequency converterFrench SCHNEIDERFrench SCHNEIDERFrench SCHNEIDER
Pre-heaterInfred self-rotaryInfred self-rotaryInfred self-rotary

Check the working video here:

Company information

Ningbo Longrui plastic machinery co., LTD is an international, customized services and high-end solutions company specializing in production high-speed PET blow molding machine.

LONGRUI machinery integrating advanced technologies and concepts at home and abroad. Professional design, production and sale three kinds, more than 20 specifications automatic/semi-automatic blow molding machines. It is suitable for production all kinds of plastic bottle products with PET/PP/PE as raw material,volume from 5ml to 40l, such as spring water bottle, space cup, light cover and so on.

With excellent quality, stable performance, superior cost performance , we are devoting ourselves to technical research in order to build up good reputation&famous brand. We have already established business relations with more than 60 countries in Asian, Middle East, Europe, Africa, America, Australia….

There are departments special for machinery and pet preform mold development. With foreign advanced technology and management system, under advantage of our solid technical power (professional engineers, large-scales workshops,good design techniques), we are capable of developing different kinds of plastic forming process and machinery to provide the best quality products and service to the customers, High quality but reasonable price has been widely approved by our customers China and abroad.

Focused on customers, cored on quality, the corporation and customers are viewed as a untied whole. Customers’ requirements are all we should do.

For more cheap blow machine:

Company service

Technical training
The professional after-sales team is responsible for the comprehensive technical training of the customer. Including the operation and use of the machine, the guidance of product testing method and daily maintenance.

Equipment maintenance
all our products are guaranteed for one year, and maintenance service is provided for life. After-sales team 24 hours online, free telephone counseling, technology return visit, remote monitoring, technical solution and other services.

Technical support
our technical department is committed to improving machine performance stability, upgrading control software, expanding equipment functions, etc.. To provide customized services for customers.

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