Insert pin of vengting design for molded parts

Insert pin of venting:


图片1.png


It is difficult to make exhaust slot when end runner is not in parting surface during injection, and there is no matching gap available, but we could make the venting pin at end of runner side, and also the exhasut slot will be connected with the air in outside as the venting system, there are some tips for making the insert pin as following:

1. The venting pin should fixed with the mold by H7/g6;

2. There should be an exhaust slot on the side of the venting pin and connect with the air (as shown in picture 1);

3. It will be used venting pin when air trapping position is fixed, but it will be better to use venting insert if the air trapping position is changing in local;

4. The sealing area of insert pin will be made according to the size of insert pin, and the length of sealing is 10-20mm, then it can clearance later;

5. The top of insert pin will make 3 snaps to make venting, and the depth is 0.02~0.05mm;

6. Insert pin is changed by injector pin.


Tags: Injection Mold | Injection Mold Supplier | Injection Mold Factory | Mold Factory | Mold Supplier | Injection Molding |
Related News about USM Injection Mold
  • What is Called Draft Angle?

    What is Called Draft Angle?

    Dec 29, 2021The draft angle is also called demold angle and angle which is used for product removal from the mold and designed on the parting surface, the angle is called draft angle which shows in picture 1....view
  • USM Blogo Opening

    USM Blogo Opening

    Oct 27, 2021Hello everyone! Our blog is open today, it is very glad to have the opportunity to meet you here, welcome to visit us whenever you need. USM is a professional plastic injection mold and molding...view
  • The difference between full shot and short shot of gas-assisted injection molding

    The difference between full shot and short shot of gas-assisted injection molding

    Apr 13, 2022Gas-assisted injection molding can be divided into short shot and full shot. Short shot The short shot method is shown in picture 1, it is suitable for thick-walled plastic parts with low mold filling...view
  • Design Tips of Vacuum Venting Mold

    Design Tips of Vacuum Venting Mold

    Mar 30, 2022There are some regular venting way which are parting surface venting, insert venting, insert pin venting and well-ventilated steel, but there is a special way is vacumm venting, it will need vacumm...view
  • The main design points of the design of the plastic mold pouring system

    The main design points of the design of the plastic mold pouring system

    Jan 11, 2022The main runner is the part where the molten plastic first passes when it is sprayed from the injection nozzle, and it is coaxial with the injection nozzle, because of repeated contact and collision...view
  • Reasons for making the exhaust system of the injection mold

    Reasons for making the exhaust system of the injection mold

    Feb 28, 2022The gas in the injection mold includes not only the air in the cavity, but also the air in the gate and the decomposition gas generated by the plastic melt, and the steam which caused by plastic in...view