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AnHui Longstar Imp&Exp co.,ltd
AnHui Longstar Imp&Exp co.,ltd
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Propeller for ship propeller nylon into bottle twist engine

AnHui Longstar Imp&Exp co.,ltd
AnHui Longstar Imp&Exp co.,ltd
City: Hefei
Province/State: Anhui
Country/Region: China
Tel: 86--17755115118
Contact Person:
Mr Wong

Propeller for ship propeller nylon into bottle twist engine

Brand Name : CUSTOMIZED
Model Number : CUSTOMIZED
Place of Origin : CHINA
MOQ : 100 PCS
Packaging Details : CARTON BOX
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Raw material:


Cast MC Nylon sheet

High rigidity, high hardness, high toughness and abrasion resistance


Raw material:


Cast oily nylon sheet


Friction self-lubricating nylon, Coefficient is low (50% reduction) and abrasion resistance improve10 times can be improved



Ram material:

Casting Molybdenum disulfide nylon SHEET


Resistance to impact and fatigue, and bearing capacity Wear resistance is higher than pure nylon material


And other material is availabel


Polythene

Polyformaldehyde

Polyurethane


All the hardness requirement is avaible

We are real factory, so all the hardness availble, conventional hardness between 75 and 85, If other hardness, requires special customization.


Self-lubricating materials:

Self-lubricating nylon generally has two kinds: rare earth oil-bearing nylon and nylon, molybdenum disulfide is to add special agent used in ordinary nylon and Molybdenum sulfide modified and become a new kind of engineering plastics.It than ordinary nylon friction coefficient is low (50% reduction) and abrasion resistance...
This product besides general cast nylon of light weight, easy cutting, high strength, corrosion resistance and other characteristics, but also has superior wear Resistance, self lubrication, high impact, high pressure, etc


The main process parameters of producing molded parts includes:
1. The cylinder temperature:
Melting temperature is very important, the shot material cylinder temperature is only guidance. Melt temperature can measure at the nozzle or the use of air injection method to measure. Shot of cylinder temperature setting depends on the melt temperature, screw speed, back pressure, feed rate and injection cycle. If you have no experience in processing a particular level of plastic, please start with low setting. In order to facilitate control, shot material cylinder points area, but not all are set to the same temperature. If the operation time is long or operating at high temperature, please set the temperature of the first area to lower values, this will prevent premature plastic melt and shunt. Before the start of injection molded parts, to ensure that the hydraulic oil, hopper closure, molds and material cylinder are at the correct temperature.

2. Melt Temperature:
Melt temperature on the melt fluidity can play a major role, because the plastic does not have a specific melting point, so-called melting point is a melting state of the temperature section, plastic molecular chain structure and composition is different, therefore, the influence of its fluidity is also different, rigid molecular chain by temperature is more obvious, such as PC, PPS, and flexible molecular chain such as: PA, PP, PE and other liquidity by changing the temperature is not obvious, so should be based on different materials to adjust the reasonable temperature injection parts.
3. Mold Temperature:
Some plastic materials due to crystallization of high temperature, crystallization speed is slow, the need for higher mold temperature, some because of control size and deformation, or demoulding needs, to higher temperature or lower temperature, such as PC general requirements of more than 60 degrees, and PPS in order to achieve a better appearance and improve liquidity, mold temperature sometimes need more than 160 degrees, so the mold temperature to improve the appearance of products, deformation, size, plastic mold has an impact on the evaluation.

4. Injection pressure:
Melt to overcome the necessary resistance to advance, directly affect the size of the product, weight and deformation, and different plastic products required injection pressure, for like PA, pp and other materials, increase the pressure will make its liquidity significantly improved, injection pressure size determines the product density, that is, the appearance of gloss. It has no fixed numerical value, and the more difficult the mold filling, the pressure of injection molded parts increases

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