Mold Design – Dong Guan Yumar Precision Mold CO.,LTD

High-Quality Mold Designing Service For You

Yumar always provide professional engineering solutions to meet the your specifications as you expected. 20+ years mold designing experience can be the reason to trust us.

Professional and efficient mold design team

Our company apply the advanced mold design and analysis software to simulate the design scheme evaluation and optimize processing, more rationalization, digitization to meet the customers’ higher demand for mold.

● Mold designer：6 people
● Project Engineer：3 people
● Process Engineer：3 people
● Monthly capability：40 sets

■ We share the experience and lesson learnt to avoid the same issue happen again.
■ Always figure out the root cause and come up with the solution.
■ All issues will be recorded in manual instruction to achieve continuous improvement.
■ We hold the regular internal meetings to learn from the failure case and take prevention measures.

What Are Injection Mold Design?

Mold design is crucial in injection molding, directly impacting the cost-effectiveness and quality of the final molded parts. Factors like gate size, shear edge, flow assist, cooling, and ejector technology all contribute to the overall outcome.

The design process starts with a 2D layout, determining mold size, gating type, parting line, ejection method, cavity arrangement, mechanical design, and materials.

After customer approval, the design progresses to detailed 3D design and NC programming, taking 3-7 days for comprehensive molds. Complex molds may require more time for mold flow analysis and iterations based on customer feedback.

Design considerations include ensuring smooth plastic flow into all cavities and easy part removal, achieved through draft angles on mold walls.

Mold design process

Step 01: Product Analysis

the mold designing will start with the part defects and mold feasibility analysis.it includes the evaluation to the gate position,part demolding angle,mold conception and the impact between part and mold designing.

Step 02: MoldFlow Simulation

The effective method to find out the protential molding issues is to simulate the overall filling processing with MoldFlow,it can be a reference to difine the gate position,air trap and welding area can be warn out so that the designer can take some measures to avoid protential defects upfront.

Step 03: Mold Structure

Defining the entire mold structure,include the core,cavity,the better movement conception we chose for all undercuts,the best sort of the injection gate we apply to avoid the appearance defects and good for filling.the cooling channels layout for molding for better cooling and flexible parameter adjustment afterwards etc.

Step 04: Design Validation

The design valiation seminar will be held after the preminary mold designing completed,it aims to analyze the feasibility to the mold function conception and manufacturability of the parts,to avoid collision between movement parts,the thin steel on the mold due to the part radius.overall analysis to fitment,etc.

Step 05: Dimension Analysis

It is a critical processing to make fully dimension analysis after the mold milling approval.The plastic part will be shrinked during mold which could be the reason why some dimensions are out of spec even we manufacturing the steel completely according to 3d data without.Safety steel on the mold could be very important to make the dimension correction more flexible afterwards.

6.Design change and propagation control

Use the associativity with the part model to facilitate rapid propagation of design changes through the process, from mold design to machining operations. Ensure that the entire team works with the correct data by integrating the Teamcenter software, which provides a single source of data and process knowledge.

High Quality Mold Begin With The Excellent Design

The performance of the mold largely depends on the maturity of the design.
Our experienced designer are the mainly factor to the quanlity of Yumar molds.
The mission of our designing team is to simplify the mold structure and cost less
without any compromise on mold quanlity.Always thinking out of the box to meet
your request to mass production and make the molds easy for maintanence

We can even provide the part analysis report during part development phrase to
achieve feasible mold design,it will be helpful to save your part development time
and costs