Plastic Injection Molding Machine with Variable Pump

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China Main Port
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TT or LC
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1 Set set
Supply Capability:
3500 Sets per Year set/month

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Product Description:

Detailed Product Description of Plastic Injecation Moulding Machine HXW688 Variable Pump


Clamp force:688 ton


Shot weight 2091 to 2895 gram


Oil temperature of system is reduced largely


Main specification of HXW688


Screw A


Screw B


Screw C


Screw D


Injection Unit


Screw Diameter












Screw L/D Ratio












Shot Volume (theoretical)












Injection Weight (PS)






















Injection Rate












Plasticizing Capacity












Injection Pressure












Screw Speed






Clamping Unit


Clamp Force






Toggle Stroke






Max. Mold Height






Min. Mold Height






Space Between Tie Bars (W×H)






Ejector Force






Ejector Stroke






Ejector Numbers








Max Pump Pressure






Pump Motor Power






Heater Power






Machine Dimension (L×W×H)






Machine Weight






Oil tank capacity





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Q:The use of injection molding machines
Servo energy-saving injection molding machine series, equipped with servo transmission power control system with high performance, in the process of injection molding machine in different flow pressure, make the output frequencies, and accurate closed-loop control of pressure and flow, high speed response and the best matching and automatic adjustment of the servo motor of the injection molding machine energy demand.1 、 using excellent servo controller, servo motor and other energy-saving devices.2 、 sensitive servo control system, quick start-up, reaction time is only 0.04S.3, servo motor and hydraulic system constitute closed-loop control, compared to the traditional model, the repeatability is greatly improved4, reduce the impact of the lock mold, and extend the service life of mechanical components and dies5, reduce the use of electricity, in the ideal working condition of the model than the traditional injection molding machine energy saving efficiency can reach 20%80%6, the system heat is much lower than the traditional injection molding machine, saving about 30% of the cooling water consumption, extending the oil seal and hydraulic parts life7, the whole line is running low noise, significantly lower than the traditional injection molding machine
Q:What plastic injection machines and materials are needed for making plastic waste shovels?
Should use horizontal injection molding machineThere are several kinds. Pc.pom.pp.pa66+30%, see how you choose it.
Q:What's the meaning of "loosening and retreating" before injection machine?
In the gum before the action, do plastic pumping action, that is, before the release of pine, in the volume of gum after doing loose retreat, that is, after the pine back, which is more commonly used
Q:The higher the screw speed of the injection molding machine, the higher the oil temperature
The higher the screw speed of the injection machine, the higher the oil temperature, which is normal, because the screw will rotate continuously and friction of the material, friction will produce heat. We generally cold water machine injection molding machine can be equipped with a mechanical product in Europe, so can increase oil temperature control.
Q:Injection machine storage is not normal 20
Check whether the change in the value of the storage electronic ruler or encoder is unusual.
Q:What is I/O on an injection molding machine?
I/O is the I / O address. Each device will have a dedicated I/O address, used to process the input and output information of their own if there is a conflict between the two I/O address of the device, the hardware of the system is not working properly, is computer CPU and external communication equipment for injection molding machine control.
Q:4 160T injection molding machine, how much cooling tower should be equipped with?
In general we 160T mold, pipe size of 16MM-20MM in diameter, but in general we pump flow rate Straw at 2 m / S (injection cooling water is recycled, water pump Straw flow is the decision point need air conditioning cooling tower), so we can assume that the size of pipe diameter is 20MM, the water flow rate of 2 meters so every hour per second; each injection molding machine needs the amount of water:PI (0.01 meters) * (0.01 meters) *2 M / s *3600 s =2.26 cubic metersYou do this, and here you should be clear! In addition, individuals feel that there is still need to consider whether the subsequent expansion of production, that is, increase the number of injection molding machine, so personally feel that the need to reserve space as well!
Q:What are the service life of domestic injection molding machines and machine tools? How do we calculate depreciation?
I. The depreciation period of injection molding machines and machine toolsArticle sixtieth of the regulations on the implementation of the enterprise income tax law of the People's Republic of China stipulates that, in addition to the provisions of the financial and tax authorities under the State Council, the minimum amount of depreciation for fixed assets shall be as follows:(a) housing and buildings for 20 years;(two) aircraft, trains, ships, machinery, machinery and other production equipment for 10 years;(three) appliances, tools, furniture and so on related to the production and operation activities, for 5 years;(four) aircraft, trains, ships and other means of transport for 4 years;(five) electronic equipment, for 3 years.
Q:What is the back pressure in the injection molding machine?
Back pressure: screw back when applied to the rod end of rubber pressure. It can reduce material consumption and bubble phenomenon.A: when the back pressure is adjusted properly, the density of the melt can be increased, the air discharged by the air in the cylinder can be discharged, and the rubber material is compacted, so that the cycle of the beer mould is stable, and the production efficiency is improved.B: back pressure is high, screw speed is slow, the resistance is large, the barrel screw is easily damaged, because the screw friction heat, heat increase in external heating unchanged, will make the temperature rise, the viscosity decreased, resulting in leakage and countercurrent flow, the nozzle is easy to produce salivation phenomenon.C: low back pressure and screw speed is fast, but it is difficult to put the rubber barrel compaction, the particles is not uniform, resulting in flower phenomenon, such as adding toner material will appear in different shades of color.Note: feed back when the screw rotation should be shaped, injection should be straight. 1, can melt inside the barrel compaction, increase density, improve the stability of injection quantity, weight and size of the products.2. The gas in the melt can be extruded to reduce the gas, the inner bubbles and the gloss uniformity of the products. Slow speed screw back, so that melt inside the barrel full plasticizing, mixing and melting toner, color uniformity, avoid product color mixing phenomenon.3, slow speed screw back, so that melt inside the barrel full plasticizing, mixing and melting toner, color uniformity, avoid product color mixing phenomenon.4, appropriately increase the back pressure, can improve the product surface shrinkage and product periphery walk glue situation.
Q:What does injection pressure mean?
Three, back pressure is too low, prone to the following problems1, the back pressure is too low, screw back into the barrel too fast, the front end of the melt density (Jiao Songsan), into the air. 2, will lead to poor quality of plastic, the amount of plastic spray instability, product weight, product size changes. 3, the product surface will appear shrinkage, gas flower, cold material lines, uneven luster and other undesirable phenomena. 4, the product prone to bubbles, the product surrounding and bone position, easy to walk dissatisfied glue.Four, high back pressure, prone to the following problemsMelt pressure is 1, the front end of the barrel is too high, high temperature material, decrease viscosity, melt in the screw slot of the upstream and the barrel and screw clearance leakage flow rate increases, will reduce the plasticizing efficiency (feed plasticizing unit time).2, for the poor thermal stability of plastic (such as PVC, POM etc.) or coloring, thermal decomposition caused by melt temperature and heating time of growth in the barrel, increases the degree of discoloration or coloring, product surface color / gloss variation.3, back pressure is too high, screw back slow, pre plastic back material time is long, will increase cycle time, lead to production efficiency decline.4, high pressure, high melt pressure, injection nozzle after prone to melt salivation phenomenon, next injection, cold flow feeding nozzle will plug the outlet or product in cold spot.5, in the process of beer molding, often due to excessive back pressure, nozzle leakage phenomenon, waste of raw materials, and lead to near the nozzle heat ring burned.6. The mechanical wear of the preform and screw barrel increases.
Our company keeps long-term cooperation with clients in metallurgy, machinery, chemical, and coal fields and other design institutes, working together for the development of quality products and the application of internal leading-edge technology. We sincerely welcome customers to visit our company and discuss business cooperation. We gain more and more domestic and foreign customers' trust on account of advanced technology, reliable product quality and considerate after service. We strive to offer high quality products to meet the market's requirements, and excellent service to all our new and old customers all over the world. Please feel free to contact us for more information. We look forward to receiving your correspondences in the near future.

1. Manufacturer Overview

Location Zhejiang, China (Mainland)
Year Established 2003
Annual Output Value US$50 Million - US$100 Million
Main Markets North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
South Asia
Company Certifications ISO9001:2000;CE Certificate;ISO9001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Export Percentage 21% - 30%
No.of Employees in Trade Department 3-5 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size: 50,000-100,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered
Product Price Range