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Installation injection molding machine

Author:Haifly machinery Date:2010-1-14 20:03:33

     Installation of machine

2.1 preparation works before installation

    2.1.1 make sure to know the profile dimension of machine and foundation requirement once you ensure the location of machine refer to attached drawing in chapter Ⅷ﹚,The position for location of machine should has the room for accessory equipments, for stacking other something and for work conveniently,here suggest the min ,distance to the wall to be 2m,the min .distance between machines to be 2.5m,details refer to the attached drawing in chapter ,Plastic injection molding machine is one of heavy equipment so it can’t be located on common ground directly,Please prepare for the foundation for the machine according to the attached indicating drawing of foundationFig8.2-1

    2.1.2 Buy the most suitable hydraulic oil and lubricating oil from the work oil recommended in this guidebook.details refer to appendix A

    2.1.3 Finish the collocation work of supplying electric power and supplying water before installing the machine ,The section area of cable of electric power should be set according to total power of machine in order to be safe and applicable.Specific parmeters of electric voltage and frequency refer to chapter 1,The supply pressure of water is 2-10kgf/C,the supplying and draining of water should be smooth ,All wire pipes must be under guound wire cable must be in the electric pipe

    2.1.4 The machine repuires working condition of clean and orderly workshop which has enough ligting and airiness ,meeting following conditions at the same time ,If the work condition is out of following standard,the machine must be checked by professional persons to see whether it can be operated to produce  Around air condition :At the place of circulating air, the temperature should be kept on +5~+55,and the average temperature of around air can’t be over +50 in 24 hours.  The humidity of air:requires 20%-95%

2.1.5 Please leave room for installing pipe used to exhaust gas on the foundation if the machine maybe used to produce poisonous plastic product



2.2 Transiting and lifting of machine

    2.2.1Make sure the total weight of machine before transiting itrefer to the main parameters in chapter 1 .It is very important ahout the lifting capacity of lift,must lift the machine with lift whose lifting capacity is enough such as lift ,suspending hook ,steel wire .etc,operated by experienced worker.

   2.2.2 Put waste cloth or hard wood at the joint places between the steel wire and the machine in order to avoid scratching or damaging the parts of machine refer to lifting drawing in chapter Ⅷ﹚

   2.2.3 Check the gravity position and the gradient of machine when the machine is lifted to be higher 50mm-100mm than the ground so that keep the level state when machine being lifted.

2.3  Check of outside look

     Check the outside look of machine to see whether there is evident region which is damaged on the machine during transportation ,If that .please contact our sales company or sales office ,Contact the agent if the user is a foreign customer

2.4 Installation

    2.4.1 Position the machine according to the dimension in drawing of foundation after the pads is set and foundation is dry.

    2.4.2 Put a precise gradienter on the tie-bar,adjust the pads and make the machine to be level position ,then lock it closely

    2.4.3 Note to take awa the temporary lifting bracket used to fix the claming-mold parts and machine body parts during lifting



2.5  cinnection of electrical power

     The wire coming system is three-phase and four-wire ,its drive electric power is AC 380V/50HZ ,the electric heating equipment is controlled by AC 220V directly. Refer to the electric parameters in chapter11.2.3

2.5.1        There should assemble a  set of suitable fuse on board of connecting wire provided by user himself:

2.5.2        Connect the power wire with the screw positioned on board of connecting wire in  electric box ,Three of them are connected with the fire wire .one of them is connected the no-fire wire .and the value of guounding electric resistance is less than 0.1Ω.

2.5.3        In order to avoid accident caused by creepage, let one conducting wire its section area is shown in the right table connect with the grounding copper line in electric box of machine ,the other end is connected with the grounding pole or is welded with a copper plate,then  bury the grounding pole or copper plate under ground deeply where it isn’t easy to dry.


Mator power

Section area of cinductor

Under 15KW




Over 37kw




2.6  Add oil

   2.6.1  Infuse hydraulic oil into the box through the air filter in the oil box of machine body ,The oil position should be over the middle scale of the liquid gauge refer to the contents of “Cubage of oil box “in chapter I as to the quantity of hydraulic pressurePrepare for quantity of hydraulic oil to be more 20% than the cubage of oil box in order to ensure the machine’s oil consumption .Nite :don’t mix oil of different brand


   2.6.2 After the machine running ,the oil infused in the oil box is absorbed to each hydraulic pressure cylinder by the oil pump so that storage oil box will decrease accordingly, So remember to check the oil position in the liquid gauge again after the machine begin to work .Infuse oil into the oil box if the oil podition is under the middle scale of the liquid gauge.

   2.6.3. The oil pump can’t be started in three hours after adding oil in the oil pump so that the air in oil can be exhausted

2.7 Connection of pipe for cooling water

      The cooling system is separated to two parts ,you can let the same one pipe for supplying water go into cooler for cooling oil and go into distributor for cooling mold ,Note: the water used must be clean.



 2.7.1 cooler for cooling oil

     This machine can supervise the oil temperature, the specific temperature range can be set on the screen of computer by operator ,The machine will stop automatically if the actual temperature  is over the set temperature value

     The hydraulic pressure system is the core parts of this machine ,its work stability effect on the injection technics directly ,Because the hydraulic system work continuously ,the hydraulic oil being circulated, being  pressed and being  friction continuously ,the hydraulic oil being circulated ,being  pressed and being friction continuously ,this step will cause much quantity of heat which will increase the oil temperature continuously,But it will descend the viscidity of oil and increase the quantity of leakage if the oil temperature is too high,so that lead to the undulation problem of system’s pressure and flux .cause the pulse problem of injection pressure and injection velocity ,effect the stability of movement ,and maybe damage the hydraulic pressure parts if the condition is serious ,So note the change of oil temperature when working ,the perfect work oil temperature should keep at 30-50,the water pressure can be bear by the cooler for cooling oil is 2-10kgf/cm2


2.7.2        Flux of cooled water shown in right table

Powre of motor

Flux of cooled water


19.0Litre/min or more

15 KW20 HP

26.0 Litre/min or more

18.5 KW25 HP

32.0 Litre/min or more

22 KW30 HP

38.0 Litre/min or more

30 KW40 HP

51.5 Litre/min or more

37 KW50 HP

63.5 Litre/min or more

45 KW60 HP

77.5 Litre/min or more

55 KW75 HP

94.5 Litre/min or more

The normal flux of water for cooling in cooler for cooling oil is to ensure the oil temperature in oil box under 55,the change of flux of water for cooling depends on injection condition water temperature ,atmosphere temperature and dirt of cooler for cooliing oil or other factors ,So the water flux in right table can’t be required as same as fact ,only used to reference.


2.7.3  Distributor for cooliing water

Different quantity of pipes connected with distributor for cooling water accordiing to different machine type ,but there must be one set of pipes for cooling of screw barrel ,so that the screw barrel can cool the place between the heater bands and the screw barrel.The other pipes are assembled or not depending on water channel for mold cooling .About the joint of distributor for cooling water and the connection screw of pipes for water coming in and going out ,Please refer to chapter 1

2.7.4  Flux of cooling water of screw barrel and mold

The flux of cooling water of screw barrel and mold depends on molding condition ,most of suitable flux is gained from practice of molding .

2.7.5  Notices:

A:Supply water for the oil cooler before molding

B:According to local climate ,for example ,the temperature in winter is low ,you should circulate it continuously at small flux to avoid freezhing pipeline broken after stop the machine :if the cooling water maybe freezed ,you should eject the remnant water from the oil cooler by pressing air so that protect from damaging the cooler and other equipments.

C:Make periodic check to the oil cooler and maintain it ,Specific ways please refer to the section 7.3 in chapter



2.8     Cleaning work of furface

        2.8.1 Purge of the rustproof grease on the parts without paint covered with gasoline and coal oil after installing the machine ,and clean them with soft cloth note :don’t smoke or approach fire when purging of the parts .

        2.8.2 The parts covered chrome on the surface ,such as rod and piston rod ,should be cleaned off dust and dirt carefully ,avoid the bush and seal ring damaged .Wrap lubricating oil on the gliding surface after cleaning off them .



2.9   Lubricate

 2.9.1 There are three kinds of type for lubricating details refer to the attached drawing of lubricating principle in chapter Fig 8.6 

Grease cup of pressing-and-infusing type infuses No.2  special type white grease

Oil pump by manually-operation  infuses No.00 lithium grease

Oil pump by electric driven infuses No .00 lithium grease

        2.9.2 Check all of lubricating spots to see if their lubricating loop are in normal condition or not before running the machine ,so that ensure each lubricating loop isn’t jammed or isn’t leakage,Check the oil position before running the oil pump,

       2.9.3 Choose lubricating oil with good quality ,use the lubricating oil recommended by us doing your best ,It will cause bad lubricating result or can’t lubricating if using the lubricating oil of high viscidity or other lubricating oil which isn’t meet our requirement .Keep it clean when using it. 

       2.9.4 Run the machine and add lubricating oil every moth if the machine isn’t used for a long time ,had better let the mold open and close to adoid vulcanizing the lubricating oil .

2.1.0 Others

     Check the machinery parts and the electric parts and wires to see whether they have been loosened or broken off because of the shake of transportation after installing the machine ,if they has been loosened ,tighten them again ,Recheck all of parts to avoid careless omission after finishing all the above steps .