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Dakumar Machinery Co.,Ltd
Add : 369# XinJiang Rd, Xinqian Street, Huangyan Taizhou, Zhejiang, China
P.C. 318020

Tel : 86-576-81106895
Fax : 86-576-84018996

Web :
E-mail :
Plastic Injection Molding Machine
Striving for excellence
providing complete injection molding strategy to meet customers' requirements

Offering a complere configuration system,users can choose a suitable plastic injection molding machine in terms of different requirements

Plastic Injection Molding Machine - Blog

Plastic injection molding machine manufacturer China – Dakumar is one of the Chinese leading innovator for plastic injection molding machine researching and developing company.

For PVC series:
Based on the design machine for our general products, we developed the PVC injection molding machine that ensures the special requirements of PVC products.

1. Specialized PVC plasticization components, hard chrome plated screw, nozzle(with enlarged nozzle hole), and nozzle flange are adopted to ensure the quality of PVC production and extend the life of the mechanical parts. All the components are highly anticorrosive.

2. Widened safety door design, equipped with double core pulling devices (each one has two inputs and two systems).

3. Barrel: forced cooling by compressed air through air channels in individual zones with independent control, or screw oil cooling connect to oil temperature controller, to avoid thermal degradation of PVC powder in barrel.

4. Enlarged hydraulic motor, to fit the high torque requirement for PVC plasticization.

5. Oil cooling and water cooling system in screw and barrel for large-sized machine.

6. Hardened chromed nozzle, ( large nozzle hole) that ensures product flow and volume.

7. Oversized hydraulic motor matched to meet the large torque requirement needed for plasticizing PVC.

So, Dakumar is the professional PVC injection molding machine manufacturer in China, it is the famous injection molding machine supplier. We have rich experience about injection molding machine making. You can believe us. If you have interest about that, please feel free to contact me.

Contact: Miss Clair
Skype: sinogroup-11



  Dakumar is the professional Bi- injection molding machine maker in china; it is the famous bi-injection molding machine supplier. We have rich experience about bi-injection molding machine making.

This machine is fit for the products with same material but two different colors, which generally apply to the manufacture of commodity, artwork, and something like that, and the blending effect of products looks natural.
Characteristics of products

Mixed dual color jet and two components jet which are matched with special designing complex nozzle can produce special patterns and different colors on the base of using original mould, and increase the additive production value.

Dakumar constantly upgrades the quality of its much prided machine. The clamping force of this machine is 1000 tons, and the rotary table diameter is 1600mm. it’s the largest two components injection molding machine ever produced in China. Increased durability through the application of new series toggle system upon Finite Element Analysis has high strength to increase lifespan of tie bars and assures of superior quality of products.

With an accuracy reaching 0.1m, linear potentiometers are used in the two injection sets and clamping molds to accurately control mold closing and opening and the whole injection process. By virtue of pro/engineer computer’s designed clamping system, the clamp stroke and distance between tie bars have been enlarged for versatile usage.

This type of machine is equipped with the 180 degree rotary table which can put two molds to produce two component products. Dakumar has designed two sets of core equipments on the rotary table and cooling system in the molds are well。

So, if you have any interest about Bi-injection molding machine, pls feel free to contact me.

Contact: Miss Clair
Skype: sinogroup-11



Dakumar Machinery Co.. Ltd, was established in 1992, locating in Huang city, China mould town. Dakumar is one of the leading innovators for plastic molding machine’s researching and developing, if provides various plastic injection molding machines and plastic molding auxiliary machines, you can get what you need in Dakumar machines manufacturers.

Most of the machines we use today are produced by injection molding machine now, these machines are produced from most of our household equipment as well as many parts of vehicles, office and others industries, the plastic product we used widely and required in all spheres of the economy to run secondary industry and the economy.

To make sure Dakumar machines high quality standard, we adopt all parts used the famous brand in worldwide, also our General Manager which worked in FCS machines more than 20 years, based on our rich experience and professional technical team, so we manufactured all machines in high standard quality to satisfy customers requirement, then Dakumar machine is more and more popular used in worldwide customers.

Most important is that Dakumar machinery company have a very strong team for after sale service, we set up many agency in different countries, such like Mexico, Brazil, Russia, Turkey, Iran and so on. also our professional engineers can send out to customers factory for machines installing and testing, also our engineers will teach customer how to do machine maintenance, this is very important to a new customer for plastic injection industrial .

If you need any help, pls feel free to contact me.

Posted by Ms. Rachel

Skype: sino-mould01


High precision molding machine manufacturer, Dakumar Machinery Co., Ltd, has various type injection molding machines, such as standard injection machine, servo motor energy saving injection machine, variable pump injection machine, high speed injection machine, double color injection molding machine.

When you start a new project, you should choose the right type of machine series according to product and plastic raw material, for example, if the big and thick product, if you want to save the power, you can choose the servo motor machines, because servo machine can control more precision and save much power during the long time injection and cooling stage. Meanwhile, for some product made in special raw material, there has it’s special machine, such PET or PVC products, our Dakumar machine has PET special machines and PVC special machines.

It is important to choose the right type injection molding machine, because it can reach higher production efficiency.

To make sure Dakumar machine high quality machines, we adopt all parts and steel in high quality and famous brand, such like, Controller is MIRLE come from Taiwan, Hydraulic Motor is Intermot made in Italy, Pump is Yuken made in Japan, Servo motor system is Kinway made in Italy, AC Contactor is Schneider made in France, etc…

Dakumar machinery can offer you high precision molding machine, welcome to contact me if need any help.

Posted by Ms. Rachel

Skype: sino-mould01

Our company have about 20 years in manufacture plastic injection molding machine, especially famous for servo injection molding machine series. Our machine have bellowing characteristics:

- High energy savings
Under normal operation conditions, it can save 20%~80% energy compare to the other series machine.
- Molding stability
As machine have servo motor closed-loop control, the machine stability is greatly improved
-Quiet operation
It runs at much lower noise levels specially in low speed applications.
-Reliable holding pressure
Its holding pressure is more stable and does not have limitation compared with normal hydraulic machine.
-Better oil temperature stability
It just use oil as the machine needed for the different functions. So it prevent unnecessary generation of heating and reduce oil cooling requirement .

This series injection machine applied the high performance servo dynamic control system. The pump as the source have the characteristics as below: fast response, energy saving, lowest noise, high precision.

Please feel free to contact us if you have any demand in plastic injection molding machine. Our machine can realize the maximum production and lowest energy consuming. In this way, make you earn more profits.

Please feel free to cotact with me if you need any servo injeciton molding machine.

Servo injection molding machine

Posted by Julia


We had listed three points for the regular machine mantains in last article. We will write the rest in the below article, these points are rather important for the long time running machine:

-Please put off the temperature controller when you stopping machine to examine the mould and machine. Don’t let hot runner keep heating when stop production. Open the mould cooling before open temperature controller. Close the cooling before stop machine, then spay the antirust agent.
-Stop the production right away if there is abnormal noise. Check the visible screw on the mould every day to see if it is loose or not, including the mould back plate.

Regular machine matains
Above is the regular machine maintains points we summarize from our daily using. We hope it is helpful to you.

By the way, if you need any plastic injection machine, please feel free to contact with me. We have machine in different series according to your product and plastic material. For example: we have pvc special injection machine specially manufacture pvc pipe fitting products. PET machine specially for perform products and high speed series specially for thin wall series. We will choose the machine size and series for you according to your product. Only suitable machine can ensure the quality of the plastic product. We can make training to your workers if they don’t know the regular machine maintains.

Posted by Julia

Good machine maintain can prolonger the life of the machine. And can keep the machine running at the best the performance. Below are the points of regular machine maintains just for your reference:

1- Check the mechanical protect block at safety door, Whether it is run flexible and working normally. Check the safety door limited switch is loose or not, if there the signal is effective.
2-Check the lubrication oil level and the hydraulic oil, (we suggest to keep full everyday). Open the electronic motor, start the lubrication bumper by hand, observation the lubrication pressure meter stay at the green area when the machine working. If the pressure is not enough, stop the machine and make examination to the lubrication system. Examine if the lubrication pipe is loose or not.
3- Check the cooling and air of mould and machine before open
the machine. Check if there is water leakage problem for the mould, and check if the surface of mould cooling effect is equally or not, Check if the cooling is unobstructed. If the product is too hot, please stop the machine and check the cooling.

We will list the rest  regular machine maintains points in the next article. Thank very much for your attention. If you need any plastic injection machine please feel free to contact with me.

regular machine maitains

Posted by Julia


Auto parts production line

Sino Holdings Group is specialized in Auto parts injection molding. We provide complete auto parts production line for Auto parts molding. We not only supply auto injection mould , auto injection molding machine, robot. we also supply auto parts auxiliary equipments. Such as water chiller, auto loader, dryer, mould temperature controller. So if you want to buy complete auto parts production line, we are your best choice! We own the most advanced mould tooling equipments in China, we have serious quality control. Before delivery, we will have mould final testing on customer purchased injection molding machine, to ensure the complete auto parts production line working properly before mould and machine delivery to customer factory. Customer can attend the final mould testing personally. Till now, we have supplied more than 10 auto parts injection molding production line to different countries. Recently, we have export large bumper production line, sun visor production line, fender production line to South Africa. Customers are very happy with our quality. We really wish we can help more customers to build more production line! Please don’t hesitate to contact us for any auto parts injection molding project. We are pleased to give you turnkey solution!

Eva Zheng
Auto parts production line supplier 
Skype: sinomould.dakumar6


Servo injection molding machines becomes more and more popular; it replaces standard injection machines at least 50%. Long time ago, Only European customers ask for servo motor machines, recent 5 or 10 years, servo motor machines develops in China, so it is not only can cover by European customer, many customers from Latin Americans ask for servo motor injection machine as well, now besides Africa country and some middle east countries, they are still use standard injection machine, other customers are all replace their old machine with new servo injection machine.

Why servo motor injection molding machine become so popular?
It is not a difficult question; servo motor machine can save power during production. In nowadays society, resources are very lack, European countries realize this point, so they start to use servo motor machine, what’s more, in some countries, it is required by government.
Why in Middle East and African country, servo motor machine not so widely used?
Until now, they are so not lack of these resources, they have many petroleum currently, so their electricity cost is not high and plastic is cheap, but in near future, these will also become less and less, at that time, they will also realize to save the power and resources. And the resources are not belong to one or two countries, it belong to all the world, the world will give them pressure to save the resources.

Dakumar Machinery offer servo motor machine and it become one of the most sell types. To buy servo motor injection machine will be your right and best decision.Just come to Dakumar Machinery to buy the machine.


servo injection molding machine
Posted By Elaine


high speed energy saving injection molding machine
high speed energy saving injection molding machine

Nowadays, Customers are more concerned about high speed energy saving injection moldingmachine. Machine in short cycle time and power saving can help our customer save a lot money in future!

High speed:
Using our high speed energy saving injection molding machine, the cycle time can be 30% -50% shorter. Our machine has adopts accumulator, the injection speed can reach 300-450mm/sec.
Our machine with 3 axis linkage, it can make material charging, mould opening and mould demolding at same time. comparing to traditional injection molding machine, it can save around 40% cycle time.

High energy saving
Our high speed energy saving injection molding machine can save 30%-70% energy. Our high respond servo system can precisely control the machine power consumption. Comparing to traditional injection molding machine, it can save energy consumption and at same time, it can control the position more precise.

Our hybrid energy saving machine especially designed for thin wall high speed injection molding. If you are going to produce thin wall products, for example, thin wall IML food containers, thin wall IML buckets. We suggest you buy our hybrid injection molding machine!

Eva Zheng
Skype: sinomould.dakumar6

PET preform molding line supplier, sino holdings group have strong ability in offer whole production line of PET preform molds, PET injection molding machine, PET molding auxiliary machines, PET robot for picking preforms. With our rich experience on PET preform molding line supplying to our customer, now we are increasable expending our markets to more countries and gain more success.
Compared offering only PET preform molds or PET injection machines, we are more comprehensive and can reach customer with one stop shopping. Also for whole PET preform molding line manufacturing, customer is easier on goods inspections to run all equipment operating before shipping and get all round assistance and after sale service from one supplier.
For PET preform molds, we made the molds with 16cav, 24cav, 32cav, 48cav, 72cav, 96cav, etc, mold core and cavity is made out of stainless steel, good on preform transparency. The mold hot runner system we use is Anole valve gate to make sure PET preforms without any gate tail, to be very neat, also good for blow molding process. We would suggest injection machine according to the mold capacity and preform weight. Our PET machine is specially designed based on PET material features, including machine screw and barrel, machine integral frame size, and so on. For example, 20g 28mm neck size preform molds, the cycle times is around 18S, it would be some difference between molds cavity numbers.
If you are planning to start one PET preform production line in your workshop, pls do not hesitate to contact with us for inquiry or technical assistance.
Ms Diana
Skype: sino.group01

PET preform molds
PET preform molds
PET injection molding machine
PET injection molding machine


 For injection molding machine has two kinds, vertical injection machine and horizontal injection machine,Most of customer would like choose horizontal injection machine more than vertical injection machine, below following have some features of vertical machine to help us understanding about vertical injection machine:

1, Injection device and clamping device in the same vertical center line, and the mold open and close along up and down direction. It covers an area of only about half of the horizontal injection machine; so it will be save place than horizontal injection machine.

2, Easy for inserted molding, because the mold surface up, it will be easy for insert put into the location. But now more advanced horizontal injection molding machine also can be a very good implementation inserted molding.

3, In vertical injection machine, Mold by horizontal template bearing the weight of the upper and lower opening and closing action, so, It will be advantageous to the durability maintain machinery and mould precision.   
4, considering some plastic part have specific design, choose Vertical injection machine easy for robot take out part, easy to configure all kinds of automation equipment.
5, Suited for small type mould production, with simple mold structure, and convenient for unloading.
6, Stood the test of many earthquakes, vertical injection machine has good vibration resistance.
vertical injection machine
Injection molding machine through continuous technological progress and update, horizontal injection molding machine and vertical injection molding machine has similar function.
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