Guangdong, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
164
Year of Establishment:
2006-03-13
Management System Certification:
ISO 9001, ISO 14000
OEM/ODM Service

Liquid Silicone, Machine, Plate Vulcanizing Press manufacturer / supplier in China, offering Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series, KN95 Face Mask Machine, Automatic Front-Style 2rt Hydraulic Molding Machine/for Kitchen Ware and so on.

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Supplier Homepage Products Liquid machine Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series

Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series

Min. Order / Reference FOB Price
1 set US $60,000/ set
Port: Shenzhen, China
Production Capacity: 800 Sets/Year
Payment Terms: L/C, T/T, D/P
Certification: CE, ISO
Condition: New
Customized: Customized
Automatic Grade: Automatic
Structure: Vertical
Clamping Force: 861kn

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Basic Info.

Model NO.
KSLS-85T
Clamping Stroke
250mm
From The Largest
650mm
Minimum Modulus
250mm
Maximum Mold Size
450X550mm
Plunger Stroke
145mm
Top of The Output
33.2kn
Electric Power
12kw
Machine Weight
6000kg
Trademark
KESHENG
Transport Package
Naked Pack / Wooden Case
Specification
CE
Origin
Dongguan China
HS Code
84774090
The advantages of liquid injection machine
1.Stable quality
The raw materials are extracted automatically, and then injected into the mold accurately through the screw according to 1:1 proportional measurement.Thus overcome the unstable quality problem which caused by human production
2.High efficiency
No need to refine the raw materials, no need harmonize colors, no need to weight material and put material, all these steps are control by machine PLC, automatically feeding and calculate materials, high repeatability.Double skateboard coherent operation to open the mold, almost no press time, high efficiency, stable quality.One set Injection machine's production is equivalent to two sets Press molding machines.
3.Save manpower
It will be needed one operator only (no matter man or woman), no need technical experience, as long as the products can be blow out from the mold.Require one worker for one shift, two workers for two shift, no need workers to refine the raw materials.Compare with the Press molding machine, the Injection molding machine can save 3 or more workers.
4.Save materials
Thin and small production burr, and easy for cleaning, the flow path is small and shallow, can save materials.
5.Save power
Three sets heating tubes, one set motor, specially use servo motor for the Injection molding machine, save power.
6.Applied to all kinds of rubber products

Machine main feature:
1.Direct pressure type hydraulic device ensure the mould operation accurate.
2. Double lower die and sliding fast device are suitable for high efficiency production.
3. LSR special pneumatic self-enclosed water-cooled closed-nozzle to make sure never leak materials.
4. To do special design for the injection oil system according to LSR characteristic to make sure feeding and calculate materials more accurate.


Cell phone water proof device: Liquid silicone
Silica gel is a kind of environmental protection, low carbon and green products that are processed by silica gel. TThe main processing technology has injection molding, extrusion molding, molding. Silica gel has the superior performance of other soft rubber,For example: Good elasticity and waterproof moisture resistance, acid, alkali and other chemical substances, It does not contain any harmful substances and is not easily deformed;
Silica gel products are often applied to the high requirements of human contact, For example: Baby pacifier, human organs, medical supplies, etc, its prospects are broad. At the same time Silica gel is a non-petroleum product and does not rely on increasingly scarce petroleum resources, Therefore, it is inevitable that silicone products will be replaced by similar rubber products. Among them, Injection molding liquid silica gel can produce all kinds of high temperature glue production products, the process is simple, the product precision is high, the output large and other advantages, will become the new trend of the development in the next few years.
1.Advantages of liquid silica gel
Advantage:
not toxic, odorless and tasteless for human body;
Good transparency, can be sterilized.
performance:
Good tactility, elasticity and anti-aging properties;
Good high temperature resistance and thermal stability(Continuous working temperature of 180 ° C);
Good low temperature performance(Are still to 50 ° C with softness);
Good electrical insulation, burning without producing harmful substances.
2. Application of liquid silica gel
Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series
3.Comparison of mobile phone soft glue sheath--TPU and liquid silica gel
The silicone sheath
Advantages: not toxic to human body, good cushioning performance, high abrasion resistance, oil resistance, water resistance, good flexibility, comprehensive protection, not yellowing.Can be used in double color bag glue mould, can make waterproof sheath.
Disadvantages: slightly worse fit with the fuselage
TPU sheath
Advantages: high wear resistance, high strength, cold resistance, oil resistance, water resistance, mildew resistance, good flexibility
Disadvantages: easy to deform yellow
4. Application case of liquid silica gel in waterproof cell phone
Liquid silicone in the mobile phone the innovative application of waterproof structure, solve the problems of water and metal + + silica gel, silica gel, plastic, glass, silica gel and other secondary molding injection way will become a new trend of mobile phone waterproof.
Double - color silica gel plastic injection waterproof advantages compared with traditional mobile phone
The application of adhesive and ultrasonic welding of traditional cell phone waterproofing can not guarantee the accuracy and stability of the assembly, which can be damaged and the waterproof effect is poor.
The liquid silica gel injection molded waterproof structure is simplified, the overall structure is compact, the assembly precision and repeatability are high, the waterproof effect is improved, the waterproof grade is above 5.
Liquid silicone injection molding with metal, plastic and other materials of the secondary forming bond strength high, can be dismounted many times, easy to replace and water - resistant performance stability.
Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series

5.Injection molding properties of liquid silica gel

The difference between liquid silicone molding and injection moulding characteristics of ordinary injection molding products:
Liquid silica gel is thermosetting material;
The rheological behavior is characterized by low viscosity, rapid curing, shearing, and high thermal expansion coefficient;
Good fluidity, not high for clamping force and injection pressure, but high accuracy of injection;
The exhaust design is relatively difficult, and some products need to design the structure of sealed vacuum;
The feeding tube and pouring system shall design the cooling structure, while the mould shall design the heating system
6. The main points of heating design of liquid silica gel mould
Mold temperature control
Liquid silicone injection mold in the mold temperature 120 ~ 150 ºC under the curing reaction, mold temperature control is the key:
Mould surface temperature requires stability:
Surface temperature is too high, can produce product charred, fractal line craze, product becomes fragile wait for a phenomenon.
The surface temperature is too low, the gelation speed is slow, the product can't get out of mold and other quality problems;
The temperature of the mould needs to be heated evenly:
The mould heating is not uniform, the temperature difference is large, can make the material flow instability, easy to appear the phenomenon of gas, injection, etc.;
Position of heater:
Should keep sufficient distance between the heater and the parting line to prevent the deformation of the bending of the template, resulting in the forming of the finished product;
Comparison of temperature control heating mode:
Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series
Heating rod heating:
Heating rods with the method of perforating gun drill, heating rod with hole clearance will lead to uneven heat transfer between heating rods, easily damaged and multiple sets of heating rod share a set of heat, heat damage cannot detect, uneven mold temperature. Careful choice
Heating plate heating:
Design the heating plate at the bottom of die mold, close to the mould kernel, the heating plate design the independent temperature, the closed loop design, ensure the temperature is controlled, and the heating plate temperature is even. recommend to use
7. Key points of liquid silicone mold casting design
Runner system design
Cold flow forming is one of the important processing characteristics of liquid silica gel
Cooling system should be designed in the cold nozzle:
There is a big difference between cold flow forming and heat flow channel system, and the internal design of the cooling nozzle is designed to carry water, and the effective insulation layer between the cavity and the cold runner should be set up.
If the shunt way is too hot, the material will start to solidify before injection, and the product will be cracked and no gelatine.
The cold mouth needs to design closed system, automatic production and shorter cycle:
The design of the cold nozzle should be the needle valve type closure system. The valve needle system should be designed to be between 0.5-0.8 mm. The valve needle system should be designed in a highly adjustable structure to facilitate the fine tuning of the flow through the needle valve.
The design of the gel control system for the cold nozzle:
The microproduct of the injection molded silicone sealant is less than 1 gram. It is necessary to design the precision control system of the injection volume to ensure that the amount of glue in the flow path can be controlled and adjustable.
Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series
Specification
 
Item

Unit
KSLS-850KSLS-1200KSLX-1500




Injection device

Screw Dia.
mm¢26¢28¢30¢30¢35¢40¢40¢45¢50

Ideal Injection volume
cm374869898134175251317392

Max. Injection pressure
Mpa252217189265194149168132107

Inject stroke
   mm     140140200

Screw rotating speed
  r.p.m    0~2400~2400~240

Nozzle protrusion plate size
  mm         ≥60≥60≥60




Clamping Device

Clamping force
  KN     86111251504

Clamping stroke
  mm     250300300

Min. Mould thickness
  mm     250250260

Max. Daylight
  mm     650    650     610

Space between bars
  mm   390*660   470*660   610*650

Max. Mould size
  mm   450*550   550*600   550*750

Ejector stroke
  mm     145     175     245

Ejector force
  KN     33.2     46.4     53.8


Others

System pressure
Mpa/cm2      14      14     14

Oil tank capacity
   L     365      450     433

Heating power
  KW      12      12     18

Motor power
  KW      11      11     18.5

Size
L*W  mm  2200*2100  2700*2200  3900*1150
H  mm  2800/3590  3300/4200  3200/4100

Gross weight
   T      5.5      6.5      8
 

Latest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 SeriesLatest Design of Mobile Phone Waterproofing Artifact: Vertical Liquid Silica Gel Injection Molding Machine Jcls-850 Series

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