The important features associated with plastic molding

The important features associated with plastic molding

Plastic molding, one of the most vital process required, is required to taken into utilize to shape plastic using a rigid frame or mould. Not to mention the way of using technique that allows for the creation of objects of all shapes and sizes with huge design flexibility for both simple and highly complex designs.

It starts with advanced techniques and placing liquid polymer into a hollow mould so that the polymer can take its shape – mainly with different ranges of pressure and heat required. You will get access to different plastic molding techniques that include rotational molding, injection molding, blow molding and compression molding to name just a few.

Plastic design

Plastic design process is not an easy part of the entire process. It is complicated and need assistance from top engineers and expert – who work in a planned way by focusing on various important things. Professionals who are working for plastic designs also remove uneven wall thickness by digging out material of triangle shape space and adding radius to compensate removed wall to reach even wall thickness.

Parts undercut are important that can’t be released from mold because of the undercut. You have to simply add a hole on top of undercut area. In order to make the plastic design process easier, they work on parts fitment. Original design is vertical tab that insert into plastic parts. Experts change tab into horizontal direction to ensure strong and unmovable fitment. They also provide you functional accuracy as injection molded parts can reach high accuracy

Injection molding machine

Use of injection molding machine is also important that depends on mold overall size, location ring, sprue bush, and ejection connector tap size with machine and a lot more. Waterline layout and nipple size, cavity layout, runner layout and weight, Mold steel type and hardness are some added features associated with it.

The most detailed mold test report is another important feature associated with plastic molding that assures easy and fast setting in mass production at client site.

Reaching the right and reputed plastic mold factory is important where you will get complete solutions for this process that is a popular manufacturing option – responsible for many car parts, containers, signs and other high volume items.

Check tolerance on your parts

Check tolerance on your parts

Compared with metal material, plastic is significantly larger deviations in respect to dimension, form in molded parts. Based on particular properties of the plastics, the functional accuracy requirements are much lower in order to economically manufacture parts with sufficient dimensional accuracy.

Parts design and mold layout, the processing has a significant effect on the dimensional stability of the molded parts. The processing machines are complex thermodynamic-rheological compound systems, which are still processed and optimized despite highly developed manufacturing technology.

Check what is tolerance your parts can reach by material and size according to four level from low to high as normal, accurate, precision and precision special.

Plastic Material Accuracy Level Nominal Size Range (mm)
wdt_ID Plastic Material Accuracy Level Nominal Size Range (mm) Tolerance | Mold Specific Tolerance | Non Mold Sepcific
1 ABS Precision Special 1 to 3 ± 0,013 ± 0,020
2 ABS Precision Special 3 to 6 ± 0,020 ± 0,029
3 ABS Precision Special 6 to 10 ± 0,029 ± 0,035
4 ABS Precision Special 10 to 18 ± 0,035 ± 0,042
5 ABS Precision Special 18 to 30 ± 0,042 ± 0,050
6 ABS Precision Special 30 to 50 ± 0,050 ± 0,060
7 ABS Precision Special 50 to 80 ± 0,060 ± 0,090
8 ABS Precision Special 80 to 120 ± 0,090 ± 0,13
9 ABS Precision Special 120 to 180 ± 0,13 ± 0,15
10 ABS Precision Special 180 to 250 ± 0,15 ± 0,16