Big size plastic injection mould for automotive car parts

• Suntime has more than 40% business for Automotive industry.   • Including automotive battery, automotive interior products and automotive lighting projects.   • The famous brand we have served such as Bentley, Audi, BMW, Mercedes-Benz, Volve, Toyota and Honday and so on.   •  The biggest mold we have made for Toyota side step is 2.1 meter long.

Products Details

Product Introduction

This product is one of the components for gold cart. Part is big and have deep ribs, need to do well to control the warpage. We used Becu inserts for cooling in deep rib area. Besides on controlling warpage, the balance filling is also very important. Suntime has experience designers and engineers, their rich working experience for these kind of big parts guaranteed the high quality and timely delivery.


Appliance and Type Component for golf cart
Resin PP-GF30
No. of cavity 1 Cavity
Mould Base LKM S50C
Steel of cavity&Core 738 H HRC33-36/738 H HRC33-36
Tool weight 5943KG
Tool size 1610 X 1070 X 867
Press Ton 1200T
Mold life 300000
Injection system 6pcs valve hot tips
Cooling system temperature 50 ℃
Ejection System stripper plate and ejection pins
Special points Big part, deep rib and high request of cooling
Difficulties Need to control well for deformation, used Becu inserts for cooling and control well for filling.
Lead time 5.5 weeks
Package Anti-rust Paper and film, little anti-rust oil and plywood box
Packing items Certification of steel, final 2D & 3D tool design, hot runner document, spare parts and electrodes…
Shrinkage 1.005
Surface finish MT1055-2/B-2
Trade terms FOB Shenzhen
Export to USA


Suntime has very effective mold designers. For DFM, it can be finished within 1~2 days, mold flow / 2D layout within 2~4 days And 3D within 3~5 days depending on mold complexity.

DFM Analysis


Mold flow

2D layout

3D mould design

About Shipping

Before shipping, we double check the mold with a specification checking list to make sure every details are correct as customers' requests. Take photos for all components and the mold. We use anti-rust paper /vacuum packing and plywood box to pack the mould In the box, there are final data of 2D & 3D mold design, steel & heat treatment certifications, electrodes, spare parts, hot runner usage manual and so on. After Service:Any complaints will be replied within 24 hours and components are provided for free within warranty time. Technical support for Whole life.

Other big part projects reference

Our biggest mold reach to 13 ton and 2.1 meter height for Toyota RAV4 side step. Our crane is 10 Ton which can make around 20 ton big tools. 40% of our molds are for Automotive, our price and quality bring you more value.

Contact us

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