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You can use some formula, to work out the clamping force. Formula1:clamping force=clamping force constant Kp* product area of contour S(cm^2)Kp empirical value: PS/PE/PP:0.32,ABS:0.30-0.48,PA:0.64-0.72,POM:0.64-0.72. Add Glass Fiber:0.64-0.72.Other molding plastic material:0.64-0.8
For example: If a product's parting surface area of contour is 410cm2, materialis PE, Work out the necessary clamping force.
According to the formula above:p=Kp*S=0.32*410=131.2Ton. So we should choose 150Ton injection machine.
Plastic Injection Molding Machine - Blog
Date:2015-12-03 13:36:10
DKM is a professional Chinese plastic injection molding machine(PIMM) manufacturer, supplying 8 series of plastic injection molding machines China to meet the customers' requirement with high-end injection molding machineprocessing technology. Here,DKM give a brief introduce to the clamping device of the plastic injection molding machine China.
(1) Hydraulic clamping structure of plastic injection molding machine China
a.Bigger toggle stroke and suitable for the plastic injection mould with higher and bigger size.
b. Clamping force of the plastic injection molding machine can be adjusted easily through the adjustment of the hydraulic oil .
c.The distance between the moulding plates of the plastic injection molding machinecan be eaily changed
Deficiency: it results in more power consumption, its oil pipeline is easy to leak, and the hydraulic oil pressure of the plastic injection molding machine has poor stability.
(2) Hydraulic-Mechanical clamping device of plastic injection molding machine
a. Hydro-cylinder's diameter is small, can reduce weight of the equipment and save energy with less hydraulic oil
b.Operated by two cylinders with different diameters ,the plastic injection molding machine can get higher clamping force, and the clamping pressure works reliable.
c. deficiency: the hydraulic-mechanical clamping device is more complex, maintenance work of the plastic injection molding machine clamping device is dificult to deal with.
(3) Hydraulic-Song cubits clamping structure of plastic injection molding machine
a. Small hydraulic pushing force magnify through the link structure and turn to bigger clamping force.
b.This kind clamping structure is with higher clamping speed, shorter cycle time of the injectiong moulding.
c.The plastic injection molding clamping device uses little hydraulic oil, and saves much energy.
d. Reduce production cost o the pasltic injection molding parts
(4) Electric-mechanical clamping structure of plastic injection molding machine.
a.The clamping agency don't have the hyraulic oil involved in working, the whole clamping movement is drived by ac servo motor drive movement, and completed the whole transferring movement by the ball screw and synchronous belt.
b.No the hydraulic oil to drive and easy to keep working environment clean.
c.Can save them a lot of the hydraulic oil and cooled by cooling water.
d.Reduce more energy consumption for the plastic injection molding machine.
e.The plastic injection molding mahcine works in low noise.
f. Simple maintenance and repairment of the plastic injection molding clamping device.
DKM is a famous plastic injection molding machine manufacture in China,supplying plastic injection molding machines as your requirements.
Post by Joyce 
Email:dkm@dakumar.com Msn:dkm@dakumar.com
Injection molding machine maker China/Plastic injection molding machinery China/Chinese plastic injection moulding device/Injection machine China/Supplying Chinese injection molding machine
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Tag: injection machine chinaInjection molding machine maker ChinaPlastic injection molding machinery ChinaChinese plastic injection moulding deviceSupplying Chinese injection molding machine
Date:2015-12-03 13:35:02
Normally, when we make injection molding, we need some auxiliary machine. Such as auto loader, hopper dryer, water or wind chiller, mixer/ color dosing, mould temperature controller etc. Most customers will buy auxiliary machine together with injection molding machine.
Injection machine maker can offer different type auxiliary machines, because they have long business relation with auxiliary machines supplier, and they will get lower price than you get directly from the auxiliary machines supplier. Besides, Injection machine maker knows what auxiliary machine is the best suitable for work together with their molding machine. And they can give you suggestion for choose auxiliary equipment according to your plastic mould and production line.
Posed by Ellen
Email: dkm@dakumar.com
Tag: molding machineauto loaderwater chillerhopper dryerAuxiliary machine
Date:2015-12-03 13:34:05
How to work out clamping force
- Skype: sino.group10MSN: dkm@dakumar.comMobile: +8615057213389
Tag: injection machineclamping forcework outmolding plastic materialparting surface area
Date:2015-12-03 13:14:26
Dakumar molding machine China is honorred with fast and stable injection,it could offer you a whole line injection molding solution.Dakumar is top ten injection molding machine China.
Dakumar molding machine China has several types of injection molding machines for different kinds of molding line.For example,the thinwall container mould,we suggest our customer to buy high speed injection molding machines;the PVC pipe fitting moulds,we suggest use PVC injection molding machines with variable pump injection molding machines;For PET preform moulds,we suggest use PET injection molding machines,etc.
Dakumar molding machine company not only supply the injection molding machines,but also supply our customer a turnkey project for the molding line.We have the confident that Dakumar injection molding machines would become top band in the world for the turnkey project.Dakumar molding machine China,world famous injection machine brand,Dakumar injection molding solution,top ten injection molding machines,fast stable injection molding machines.
Post by Celina
Email: dkm@dakumar.com
Tag: Dakumar molding machine Chinaworld famous injection machine brandDakumar injection molding solutiontop ten injection molding machinesfast stable injection molding machines
Date:2015-12-03 13:13:30
DKM is a professional Chinese injection machine manufacturer, have set up service agencies in other country forChinese injection machine. If you want to buy a Chinese injection machine in your country, DKM will be the only proper choice to take.
During the past years, DKM has set up Chinese injection machine service center in Brazil, Mexico, South Africa, Turky, Israel, Russia...in order to offer better service for Chinese injection machine sale, we are negotiating with many oversea professional teams to establish more and more service centers and partnerships in different countries to extend our Chinese injection machine sales area.
Apart from service center, we have built local sales agency in other countries, like Turkey, Mexico ,and Brazil. In recent months, we are handling on the Chinese injection machine sales agency in Algeria. We do our utmost to find a way for our customers to purchase high quality Chinese injection machine and enjoy our convenient injection machine sales service. Also, we provide turnkey project, from the plastic processing factory built to the Chinese injection moulds supplying and injection machineries China purchase, we supply you all-round service, your requirement is our task. We will offer you a perfect plastic injection moldingsolution.
If you want to buy a Chinese injection machine or a Chinese injection mould, you should contact us. Leaving out cost for visiting Chinese injection machine factoryor ocean freight for delivering Chinese injection machine ,you can purchase a high quality Chinese injection machine in your country with favorable price. Just contact me, the sales agency solution for the Chinese injection machine will do you a good favor.
Post by Joyce 
Email:dkm@dakumar.com Msn:dkm@dakumar.com
Tag: Chinese Injection molding machine agency in BrazilChinese injection machine service sites BrazilChinese injection molding machine local agentChinese injection molding machinery sales servicesChinese plastic injection moulding device manufacture
Date:2015-12-03 13:12:26
Dakumar machinery Co,.ltd is a famous Chinese plastic injection machineryfactory is specialized in exporting plastic injection machines with high quality and reasonable price. DKM is one of best plastic injection machine manufacturer in China, get high reputation in Chinese plastic injection machine industry.
During these years, DKM is getting more informed by foreign customers for its precisive component dimension and fine after-sales service. Except the after-sale service, we offer technology consulting service for plastic injection machine at the same time. Here, I will give you some information about that how the plastic injection machine heat.
Generally, there are three ways for plastic injection machine heating:
1.Carrier heating –plastic injection machine: this ways use carriers (such as steam, oil and etc) as the heating medium method, called carrier heating.
2.Resistance heating –plastic injection machine: resistance heating is one of the most widely used heating ways, the heating device is of small size, light weight and convenient installation.
3.Electrical inductance heating-plastic injection machine: electrical inductance heating applys electromagnetic induction to generate electricity by eddy current and make the barrel fever in order to achieve the purpose of heating plastic material in the barrel.
Many foreign clients visit our factory and spoke highly of our company(SINO group), and make clearly confirmation that our plastic injection machine is of good quality, if they have new plan for plastic injection machine, they will find us again. So, if you have the idea on buying plastic injection machine, just contact DKM, we will make you satisfied.
Post by Joyce 
Email:dkm@dakumar.com Msn:dkm@dakumar.com
Tag: Plastic injection machine ChinaPlastic injection machinery manufacturePlastic injection machinery factoryChina plastic injection molding deviceChinese plastic injection molding equipments
Date:2015-12-03 13:11:29
We know that PVC fittings need injection molding machine and pipe fitting mould, but for long PVC pipes, it needs pipe extruding machine (pipe extruder).
PVC pipe extruder have the similar operating principle with injection molding machine, it heat up the plastic raw material, and inject the molten material into plastic mould. But pipe extruder is longer than injection machine according to the pipe size.
Extruder have several screw types, PVC pipe extruder usually use conical twin-screw, because twin-screw bring less heat from friction, it make shear force more evenly; it have large conveyor capacity with stable extrusion, and the material well mixed in machine barrel.
If you want to invest PVC pipe fitting production line, you should consult the detail information from injection machine and extruding machine supplier carefully.
Posted by Ellen
Email: dkm@dakumar.com
Tag: PVC injection machinePVC pipe extruderPVC extruding machinepipe extruderPVC extruding machine supplier
Date:2015-12-03 13:10:24
Influence the selection factors of injection molding machine including follows：
1.Mold dimension(L*W*H),weight, special design
2.Kind of plastic(pure or several kinds of plastic)
3.dimension of injection plastic products (L,W,H,thickness),weight and so on.
4.Molding requirement: such as quality conditions, production speed…
According to the above informations,you could select the machine suitable for you.
1st.Choose the type decided by the products and plastic material
2nd.The mold could put on the machine, judgment the tie*bar, mold height, Min. mold dimension suitable or not.
3rd.Can take out the products.
Toggle stroke is twice as much than the height of products open and closed.
Ejector stroke is enough to ejector the products.
4th.Clamping tonnage is decided by the plastic material and products.
5th.Injection weight is decided by the products weight and mold cavity. And select suitable diameter of screw.
6th.Injection speed: Thinwall products always required high injection speed.
For more information, pls contact me.
Contact Diana
:sino.group01Mail: pdkm@dakumar.com
Tag: screw of PVC molding machinepipe fitting systemnozzle sizelimit switchprecision dimension controlTonnage of injection machine
Date:2015-12-03 13:08:43
Regard the pipe fitting mould products, there are two commonly ejector way are used.
One is ejection on the surface of the pipe fitting. Advantage of this way is reduce the mold dimension and saving the cost. But there is a problem that it will influence the thickness of surface on the ejector part.It will caused the products quality.
Another way is ejection on the ejector plate （small square plate）.If design in this way, will do not effect the problem above,keep the surface of products beauty.
We could design the mold according to your requirement，and most suitable for you.
Sino-pipe fitting Co.,Ltd is specialized in pp-R,PVC,ABS….various kinds of pipe fitting moulds and injection molding machine.
For more information, pls contact me.
Contact Diana
:sino.group01mail: dkm@dakumar.com
Tag: ejector pinweight of pipe fittingfitting supplierhigh performance moldmulti-direction collapsible corefast cycle time injection molding
Date:2015-12-03 13:07:12
china mold making for medical plastic bins, test tubes, or Disposable Syringe China mould making is in great need but less company is skilled in offering such moulds. This is not only due to the ability of tooling, but also for these moulds, we need dust free workshop and certificate for making this project.
We offer China mold making for medical plastic bins, china mold making for medical plastic componets, test tube mould china, medical syringe mould China supplier, one-way off medical dust bin mould chinese maker, Disposable Syringe with Luer Lock mould supplier, Disposable Syringe China mould making
For disposable syringe moulds or plastic test tube moulds, we choose Stainless steel for each block and plates, to make the mould in high clean condition and in dust free workshop condition. Medical dust bins and also one way use tray are also in great importance in mould design and making.
Let us know what you need, and we can provide with certified china mold making for medical plastic bins mould in high quality, medical plastic tubes or disposable syringe in 48cavity or even more quantity efficient moulds and equipment.
We offer the whole production lines, including injection molding machines, injection mould, printing machines, filling machines, assembling automation and packing automation system. Come to SINO HOLDINGS, we offer you our turnkey solution with all necessary equipments, factory building budget and material, and also professional training and after-sales service.
With all our support, you can start your plastic injection molding factory easy and quickly.
If you are interested, please contact dkm@dakumar.com
Or send you question on line by Skype:
sinomould.dakumar2
Tag: china mold making for medical plastic binschina mold making for medical plastic componetstest tube mould chinamedical syringe mould China supplierone-way off medical dust bin mould chinese makerDisposable Syringe with Luer Lock mould supplierDisposable Syringe China mould making
Date:2015-12-03 13:06:06
We supply all kinds of Chinese plastic injection machine:
Standard injection machine with 15 types:DKM50, DMK88, DKM118, DKM188, DKM218, DKM268,DKM330,DKM380, DKM500, DKM650, DKM780, DKM1080, DKM1250, DKM1600
High speed injection machine with 4 types: DKMHS118, DKMHS138, DKMHS218,DKMHS 268
Variable injection machine with 9 types: DKM-H88, DKM-H188, DKM-H138, DKM-H188, DKM-H218, DKM-H268, DKM-H330, DKM-H380, DKM-H500
Servo power save injection machine with 10 types: DKM-SV50, DKM-SV88, DKM-SV118, DKM-SV138, DKM-SV188, DKM-SV218, DKM-SV268, DKM-SV330, DKM-SV380, DKM-SV500
PET&PVC injection machine with 12 types: DKM50, DMK88, DKM118, DKM188, DKM218, DKM268,DKM330,DKM380, DKM500, DKM650, DKM780
Dual-color injection machine with 4 types: DKM-D140, DKM-D200, DKM-D260, DKM-D450, DKM-D1000
Dakumar machinery offer turkey solutions for newly start plastic factory, Dakumar machinery with good quality, good price and good service. Welcome to contact us by following information:
Contact: Ms Diana
Skype: sino.group01
Email: dkm@dakumar.com
Tag: China plastic injection machineChina plastic injection machine supplierelectric plastic injection machineChina electric plastic injection machineelectric injection machine supplierChina electric injection machine supplierturkey solutions for newly start plastic factory
Date:2015-12-03 13:04:25
Injection molding machine is the largest production and application plastic machine in China. After the 1980s, Chinese injection molding machine industry developed rapidly, the annual growth rate is exceeding 20%, and it gradually formed some processing base.
In terms of technology, Chinese injection machine manufacture are not only make ordinary machine, they also manufacture large injection machine, electric injection machine, electro-hydraulic machine, and special injection machine. Now Chinese injection molding machine manufactures are offering machine to mid-market.
In current situation, China still imports more than 10,000 set high-end injection machine annually. In recent years, report shows that the injection machine manufactures in china constantly adjust. We can offer some high- precision and high-end injection machine ourselves. Now the injection machine import ratio is down and the export ratio growth rapidly.
Posted by Ellen
Email：dkm@dakumar.com
Tag: injection molding machineinjection machine manufactures
