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How to efficiently manage the raw materials of injection mold
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How to efficiently manage the raw materials of injection mold

Views: 1     Author: Site Editor     Publish Time: 2023-02-22      Origin: Site

How to efficiently manage the raw materials of injection mold

The management of injection molding materials involves the profits of enterprises, and the materials cost of injection molding factories accounts for a high proportion. There will even be material costs in the sales unit price of more than half the share of the situation. In other words, the appropriate management of material costs will directly lead to an increase or decrease in sales.

One. The correct steps of raw material management of injection mold

1. Warehousing management of raw materials

Material certificate at storage, Grade, color, LOT confirmation of the cleanliness of dust/foreign matter at the seal of raw material packaging.

2. Custody and management of raw materials

Warehouse company, material, color management and implementation of identification.

3. Drying management

Choose a dryer (hot air dryer, dehumidification dryer, multi-stage dryer, etc.) according to the characteristics of the material in front of the dryer according to the drying temperature/schedule, comply with the standards.

4. Raw material TANK management

In order to prevent the mixing and inflow of materials before the current operation, the cleaning management of the Tank is implemented

5.HOPPER management In the raw material Tank, cleaning and management (foreign matter, dust) of the low section inside Hopper in stages before putting the raw material into the injection molding machine.

6. PURGY management of molding machine

1 low temperature and high speed injection molding Purgy management; Purgy operation was carried out under the temperature of two molding conditions

7. Shredder management

Cutter residue management for shredders

The material name /Grade/weight period after the crushing operation is recorded and managed on the packaging of the crushing products

8. Standardized management


Record and manage the standard temperature and time of dryer

Standardized management of the proportion of pulverized materials and new products

Record the movement path of each stage of the management of specific materials, monthly and weekly material usage and crushing usage

2. Matters needing attention in raw material management of injection mold

1. Proper pretreatment

For raw materials that need to be pre-dried, the production plan should be confirmed and the appropriate amount of materials should be prepared. If the operation is carried out in the field again, the disadvantages of production schedule confusion will be amplified because of the need to purge and waste injection molding.

2. Handle it with caution

Due to the high price of raw materials, if the bag of raw materials is knocked into a corner or a strong impact and the bag is broken, the loss will be huge. Therefore, it needs to be handled carefully when using.

3. Don't overdo it

Calculate the production schedule and surplus quantity according to the production plan, and be careful not to put in too much raw material. Calculate the capacity of dryer, stirring tank, and calculate the number of planned molding, remaining molding quantity of raw materials required.

4. Handling of broken bags

Even if handled with care, problems can occur. When dealing with cracked bags, the emphasis is on preventing secondary damage. Raw materials that fall to the ground and cannot be used should be clearly distinguished from those that can be recovered according to the extent of bag breakage.

Raw material management is an important business directly linked to "profit". Improper management of raw materials will lead to lower profits. The mission of Fanstar is to master the core technology of injection molding production, communicate and analyze the technology before mold production with customers from the production needs of finished products, so that the mold delivery time is short, the life is long, the mass production is fast and the finished product quality is excellent! Have the need of injection molding mold welcome to contact us!




Name: Iwan Fandra 丨Director
Tel: +86 198 2019 2009

E-mail: fandra77@vertical-china.com


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