mould life|how to ensure the mould life|sino mould

Mould is relatively expensive technological equipment, the mold manufacturing expense accounts for about 10% -30% of the cost of the products , and the mould life will directly affect the cost of the product.In the case of mass production, the service life of mould is particularly important. General in the mold design stage should clear the mould of the production batch type or the total number of mold production parts, namely mould design life.Different mold with different damage form.but on the whole, the work surface damage are mainly in the form of friction damage and plastic deformation, cracking, fatigue damage and injury.

The main factors affecting the muld life has the following kinds:

1.Mould Structure
 Reasonable mould structure helps to improve the capacity of the mould, reduce mold endure loading level. For example,Reliable guidance mechanism can avoid nicking each other between the core and cavity.

2.Mould Material
 According to the production quantity, we will choose the best mould materials.High production with higher requirements for the mould life, so we should choose strong bearing capacity, high long service life material. In addition, we should pay attention to the mold material metallurgy quality may cause the process defects and effects for the bearing capacity of the work, and take the necessary measures to make up for the inadequacy of the metallurgical quality, to improve mould life.

3.Mould Processing
 The defects of mold parts machining, E.D.M processing and forging, pretreatment, quench hardening, surface treatment will cause the is to mould wear resistance, resistance to bite ability, and a significant impact on the fracture resistance.

4.Mould Working Condition
 When the mold work, using the device's accuracy and stiffness, lubrication condition, the pretreatment of the processed material status, mould preheating and cooling conditions will have an effect on mould life.

Sino can guarantee the long mould life,and we can do the best quality plastic injection mould,welcome to contact with us.

Written by Angela
Skype:anole-4
E-mail:sales9@sinomould.com
Website:www.sinomould.com

Plastic injection Mould knowledge|How much u know about mould|sino mould

Used in the plastic injection molding mould called injection mold.Injection mold can be a molding shape is complex, high dimensional accuracy or prodct with embedded parts.

“70 percents mould,30 percents process”.For injection molding processing,mould for the quality of the product has a great influence.At the injection molding processing,if u not have fully understanding for injection mould,is difficult to get excellent molding product.

Injection mold is mainly composed of the following part:

1.Molding components:including mould cavity,mould core,insert and so on.

2.Gating system:It is direct melting plastic from injection molding machine nozzle to closure cavity, usually consists of the main runner, gate and cold slug well.

3.Guiding parts:To ensure demoulding mechansim stable and reliable.

4.Demulding mechansim:realize the plastic parts be out of the mould.Usually by ejector pin,return pin,spring,ejector-retaining plate,ejector plate,ejector ring and ejector plate guide pin,guide push.

5.Core-pulling Mold structure:The flanks of plastic parts are usually provided with holes or flutes,under such cases,side-direction forming cores must be employed to form plastic parts.

6.Temperature Control System:To meet the requirements of the injection process for mold temperature, such as cooling water, hot water, hot oil, steam, air cooling and heating system.

If u want to learn more about injection mould,welcome to contact with us,Sino will give u the most professional explain.

Written by Angela

Skype:anole-4

E-mail:sales9@sinomould.com