Injection Molding Machine LOG-250A8 QS Certification

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Product Description:


  • Type: Tube Head Injection

  • Style: Horizontal

  • Brand Name: LOG MACHINE

  • Model Number: LOG250-A8

  • Place of Origin: Zhejiang, China (Mainland)

  • Plastic Type: Thermoplastic

  • Automatic: Yes

  • Injection Weight: 464-785g

  • Clamping Force: 2500 kn

  • Opening Stroke: 520mm

  • Power(W): 22kw

  • Certification: CE ISO9001

  • After-sales Service Provided: Engineers available to service machinery overseas

  • Voltage: 380V

  • Screw Diameter: 50-58-65

  • Machine weight: 8 T

  • Material: Stainless Steel

  • Screw speed: 0-180 r/min

  • Function: Plastic Injection Molding Machinery

  • Space between Tie Bar: 560X530mm

  • Name: horizontal Injection Molding Machine

  • Ejector stroke: 150mm

  • Injection pressure: 132-224 mpa

Packaging Details: 20 GPcabinet
Delivery Detail: In one week after get payment

International size rating1140/250
Shot volumecm3510687863
Shot weightG464625785
Screw diametermm505865
Injection pressurempa224166132
Screw L:D ration 21:0121:0118:07:01
Screw strokemm260
Screw speed(stepless)r/min0-180
Clamping forcekn2500
Opening strokemm520
Platen sizemm×mm820×790
Space between fie barsmm×mm560×530
Mold fhickness(Min-Max)mm200-580
Hydraulic ejection strokemm150
Hydraulic ejection forcekn67
Hydraulic system pressurempa17.5
Pump motorkw22
Heating capacitykw16
Number of femp confrol zones\5+ nozzle
Dry-cycle fimeSec4.8
Oil fank capacifyλ380
Machine dimensionsm×m×m6.2×1.6×2.15
Machine weightkg8000

Injection Molding Machine LOG-250A8 QS Certification


product 1

Common thermoplastic resins include:

  •     Polyethylene  PE

  •     Polyvinyl Chloride  PVC

  •     Polypropylene   PP

  •     Polystyrene   PS

  •     Polyethlene Terephthalate   PET

  •     Acrylonitrile-butadiene-styrene   ABS

  •     Styrene-Acrylonitrile   SA

  •     Acrylic   PMMA

  •     Polyamide   PA (Nylon)

  •     Styrene-Acrylonitrile   SAN

  •     Polycarbonate   PC

injection machine


1 The mould closing unit 

The new generation mold locking device and computer emulation optimized parameter makes motions of  the moving plate fast and steady .When combining the box type moving plate ,fixed plate and high rigidity toggle structure ,the characteristic of high strength and anti-fatigue is secured. As compared with similar machine , it owns bigger internal spur between tie bars ,mold space and mold opening storke and may process plastic product of bigger size.

2 Computer controller 

professional injection molding machine controller with software abd hardware of industrial standard is convenient  to expansion and revision of performance. Adopting double CPU control makes high speed.

Injection Molding Machine LOG-250A8 QS Certification

Variable Displacement Pump


1 Low Noise 

Reasonable hydraulic control structure design, high integration and unipue processing in noise reduction helps machine run smoothly.

2 Oil-saving 

The low oil temperature prolongs the srevice life of sealing elements .Oil cleaning equipment can filter the grease rapidly and effectively to ensure the srevice life of hydradulic elements.

3 Quick Response 

The imported directly and high-response variable displacement pump achieves larger amount of emission by 20% to 25% than fixed pump driven the same motor.

4High Stability

30% to 70% energy saving compared with fixed pump under the equipment volume of work .

5 Water Saving 

With no overflow and heating from variable displacement with fixed pump, 50%-75% water can be saved compared with fixed pump. Oil cleaning equipment is designed to improve the service life of hydraulic oil for 5 year.

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injection machine

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Q:How much is the power consumption of the 80 ton injection molding machine in an hour? Ten
The power consumption is about 10 kilowatts.A minimum of 8 dies per minute.Only 80 tons will be enough if only the amount of paint is taken into account.
Q:What factories in Shenzhen area have injection molding machines? What's the number?
Why do you ask this? I have a client who makes injection molding products. He should have them there.
Q:What is the average life span of an injection molding machine?
If the maintenance is good, the service life of the injection molding machine will be over 10 years. The average life span is about 10 years.Injection molding machine, also known as injection molding machine or injection machine. It consists of two main parts, the injection unit and the die locking unit, in two parts. It is a thermoplastic or thermosetting plastic plastic molding mold made of plastic products of all shapes of the main molding equipment. The injection molding machine heats the plastic, applying high pressure to the molten plastic to make it crack and fill the mold cavity.
Q:When the injection machine is ejected, does the screw screw rotate?
Do not rotate until the material is rotatedAskThank you. Could you tell me how much the injection is only related to the injection time?Chasing the answerPressure size and time
Q:Trouble shooting of injection molding machine
Common faults and elimination methods of injection molding machineNon locking modeA, close the front and rear door safely;B and check whether the safety threshold switch works properly;C, check the thimble recession switch;D, check mode lock electronic ruler and die stop switch;E, check mould parameter, speed, pressure and position setting is correct;F check whether the coil of the mould valve is live or not and whether the spool is working properly;G, the mold thickness adjustment or switch mode switch open, in the automatic state can not die;H, if there is a hydraulic safety lock, check whether it is normal.Open moldA and check the test status of the electronic ruler;B check whether the coil of the mould valve is live or not and whether the spool is working properly;C, if the high pressure mode locking down time is too long, because the metal structure related to the elastic deformation caused not opening, approach: a) to improve the opening speed, pressure, pressure reducing opening time, b) in general can be opened;D, if there are core pulling, twisting and other operations in the opening die, the working state of the lock die is not normal, so it is necessary to check whether the start and stop signals of these actions are normal.Die adjustmentA, mode adjustment counting switch fault;B and the original position change of the mould (in this case only one way adjustment)C, regulating valve coil is charged, and spool work is normal;D, the working state of the regulating motor;E, the die nut dies.
Q:Can carbon fiber be used for injection molding?
Carbon fiber can be used for injection molding, and the typical product is CF+PPS. Carbon fibers are difficult to process two times, such as drilling on molded products, plain drills, drilling holes, and drilling bits. Therefore, in the part design to avoid two machining. In addition, as with plastic and glass fiber, and carbon fiber after the screw injection molding machine screw wear increases, the life expectancy was shortened. Global carbon fiber technology and production are still largely in the hands of Japan and the United states. There are less than 20 countries and regions that can realize the industrialization of carbon fiber in the world. There are no more than 12 large-scale production enterprises. Dongli, Japan, the United States and Japan's Toho Zoltek Japan MITSUBISHI rayon is global carbon fiber production capacity of the top four manufacturers, which accounted for four of the total global carbon fiber capacity 23.4%, 17.1%, 14.3% and 10.3%, and China enterprises accounted for only 4.3%. The global carbon fiber production is mainly based on PAN based carbon fiber. In 2009, PAN based carbon fiber production capacity accounted for about 96% of the total carbon fiber production capacity of the world. The concrete application of carbon fiber shows that "the structure of electronic products, the characteristics of materials and the method of their selection" (people's Posts and Telecommunications Press, 2010.4)
Q:Excuse me: what are the differences between injection molding and extrusion?
Extrusion die is very simple, that is, die sets of core mold, similar to the two ring together, extrusion tube shape, and then through the sink cooling hardened. Injection molding and extrusion, the biggest differences are as follows: 1, injection molding can be more complex products, products are discontinuous, one cavity, such as mobile phone shell, etc.. The characteristics, not continuous production, cooling the first mock exam to play the first mock exam. And head. 2, extrusion can only be done in the same cross-section, continuous production of products, such as pipes,. Features can be continuous production, through the sink, edge extrusion edge cooling. As long as the material, always can be squeezed out, tens of thousands of meters can not head.
Q:What is the injection molding machine back pressure, back pressure role is what?
The formation of the plastic melting and plasticizing process in the plastic processing of back pressure, melt moving to the front end of the barrel (measurement and indoor), more and more, and gradually formed a pressure driven screw back. In order to prevent the screw from retreating too fast and to ensure uniform compaction of the melt, it is necessary to provide an opposite direction of pressure to the screw, which is the reverse pressure that prevents the screw from retreating.Back pressure is also known as plasticizing pressure, and its control is achieved by adjusting the oil return valve of the injection cylinder. Pre injection plasticizing screw injection molding machine is equipped with the rear end of the oil cylinder back pressure valve, regulating screw back when the injection cylinder oil cylinder speed, to maintain a certain pressure, shift speed screw motor after (resistance) is composed of AC servo valve control.
Q:What should be noticed before the machine is stopped when the injection machine is finished?
Before the injection machine is stopped, the plastic in the cylinder can be cleaned up to prevent the residual material from oxidation or long-term thermal decomposition. The mould is opened, the toggle mechanism is a long time in the closed state. Workshop must be equipped with lifting equipment. When handling heavy parts such as moulds, care should be taken to ensure safety in production.
Q:What's the meaning of the connection between the injection machine and the manipulator?
That is to say, the manipulator and the forming machine are interlocking with each other, such as the mold opening, the safety door, the full-automatic, etc. the forming machine gives a signal to the manipulator, and the other vice versa... Can refer to physical see, not difficult to understand, welcome to ask

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