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Low Cost
Topper leverages an offshore plastic mold making plant with a lower cost structure in order to offer lower pricing than Topper's competitors.
High Quality
Quick Turnaround
Topper leverages an offshore plastic mold making plant with a lower cost structure in order to offer lower pricing than Topper's competitors.
High Quality
Topper is ISO 9001:2008 certified, and Topper processing quality systems ensure that your parts are the highest quality possible for your applications.
Quick Turnaround
Topper offers three different shipping methods, including next day air, to accommodate your timing and budget requirements.
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Topper interactive online quotation system provides instant quotes for plastic mold making, injection molding, CNC machining and die casting.
Online Quotes
Topper interactive online quotation system provides instant quotes for plastic mold making, injection molding, CNC machining and die casting.
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How to Avoid Welding Marks of Plastic Injection Molding Products? (Part Two)
- Posted: 09/07/2017 02:09:33
- Hits: 9
When we can't improve or eliminate quality problems of plastic injection molding products due to welding marks by adjusting equipment's technical parameters and adding exhaust vents, we have to adjust the size of the cavity; of course, we need to accurately measure the corresponding thickness...
How to Avoid Welding Marks of Plastic Injection Molding Products? (Part One)
- Posted: 08/30/2017 11:08:36
- Hits: 6
When quality of plastic injection molding parts' surfaces can not meet design requirements, the technicians will solve quality problems by adjusting melt temperatures, injection speeds, pressure, flows, mold temperatures and parameters in other aspects. Usually, values of melt temperatures, injection...
Design Essentials of Molds for Cars' Precision Plastic Parts (Part Two)
- Posted: 08/17/2017 07:08:47
- Hits: 7
The injection process is a process that transforms solid plastic powder or granules into molten plastic liquid and molten plastic liquid into the solid plastic product. From granular plastic to molten plastic liquid and then from molten plastic liquid to the finished plastic product, the plastic materials...
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Design Essentials of Molds for Cars' Precision Plastic Parts (Part One)
- Posted: 07/31/2017 12:07:37
- Hits: 10
Most of the plastic parts for cars are made by injection moldings. These plastic parts themselves have high design accuracy; they can not be made by the conventional injection moldings. Therefore, we must adopt precision injection molding technologies to manufacture plastic parts for cars. In order...
Basic Principles of Pouring System Design
- Posted: 06/28/2017 10:06:47
- Hits: 8
1. A consideration of cavity layouts 1) Use balanced layouts as much as possible. 2) Make cavity layouts and pouring gates' settings symmetrical so as to prevent partial loads due to the uneven force of the molds, resulting in flash overflow problem. 3) Compact mold cavity layout to reduce...
Three Principles for Selecting Plastic Molds
- Posted: 03/28/2017 05:03:23
- Hits: 10
A. Working Requirements of Molds 1. Wear Resistance When the blank is deformed in the mold cavity, it flows and slides along the cavity surface, causing severe friction between the cavity surface and the blank, resulting in mold failures due to wear. So the wear resistance of material is...
Topper is a professional plastic mold manufacturer in China, our injection molding service covers all walks of life, including medical, electronics, auto parts, appliance, etc.
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Topper Plastic Mold Co., Ltd.
Address: No. 879, Xiahe Road, Xiamen, Fujian, China
Tel: 0086-592-5819200
Email: [email protected]
Website: https://www.plastic-mold.com
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