Manufacturing Services

 Injection Molding

We supply high quality, low-cost injection molding parts for customers worldwide. Our affordable mold fee which start at $500 could help you reduce design risk.

Compression Molding

Our compression molding service includes both plastic and rubber molding. We can guarantee high-efficiency production, ensure accurate products by compression molding process.

 

Cast Molding

With years of cast molding technology accumulation, our experienced engineers can accurately analyze whether the product is suitable for cast molding according to its structure.

Metal Stamping

We can produce stamping parts combining a number of metal forming techniques - blanking, punching, bending and piercing.

CNC Machining

Our 3 & 5 axis CNC machines are available to produce high accurate parts with tight tolerance within 0.05mm. Using rapid production, we can provide CNC machined parts within 1 to 5 working days.

3D Printing

We have a variety of 3D printing technologies, such as FDM, SLS, SLA, MJF, DMLS, etc. Our additive manufacturing is able to develop products in metal and plastic materials.

 

Founded in 1978, Zhongde is a professional injection molding company. We provide product prototyping services, compression molding service, CNC machining service and etc. Want to know more? Please contact us.


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What are all the design guidelines required to develop a plastic part?

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  The structural design of plastic product development should follow the following principles:   a. The structure design should be reasonable: the assembly gap is reasonable, and all plug-in structures should be reserved for gaps; ensure sufficient strength and rigidity (safety test), and properly design a reasonable safety factor.   b. The structural design of plastic parts should comprehensively consider the manufacturability of the mold, and simplify the manufacturing of the mold as much as possible.   c. The plasticity of the structure of plastic parts should be considered, that is, the injection molding production efficiency of the custom plastic injection molding companies should be high, and the rejection rate of injection molding should be minimized.   d.  Consider facilitating assembly production (especially not conflicting with assembly).   e. The structure of stamping plastic parts adopts standard and mature structure as much as possible, so...
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Something you need to know about stamping mould

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Oct 10-2020 Views: 638 1. What is the effect of the deep sill (drawing rib) in the cover mold? The effects of the deep drawing threshold (drawing bead) are as follows: 1. Increase the friction resistance of the feed material, so that the surface of the deep drawing part bears sufficient tensile stress, improve the bending stiffness of the deep drawing part and reduce the concave surface, distortion, slack and wave pattern caused by the resilience; 2. Adjust the fluidity of the material to make the fluidity and frictional resistance of each part of the whole drawing process equal, or make the amount of material injected into the mold suitable for each part of the steel part to avoid the situation of "less wrinkles, less cracks"; 3. Expand the scope of adjustment of the hemming force. On the double-action punching machine, adjusting the height of the four corners of the outer guide rail slider only roughly adjusts the hemming force, and it is not possible to control t...
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Choose the Right Finish for Your Material

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  Different surface finishing engineering  can be applied to different materials. Find below a quick cheat sheet of surface finish and material compatibility.   Name Material Compatibility Smoothing All plastics and metals Bead blasting All metals Powder coating All metals Anodizing clear (type II) Aluminum alloys Anodizing color (type II) Aluminum alloys Anodizing hard coat (type III) Aluminum alloys Electropolishing All metals Black oxide Stainless steel and copper alloys Chromate conversion coating Aluminum and Copper alloys Brushing All metals     Our Surface Finishes   Here is a list of optional surface finishes. For custom surface finishes such as electroplating or polishing, please contact sales@zdcpu.com.   As Machined For as machined all sharp edges are removed and parts are deburred. Tool marks are visible.   Smoothing A finishing CNC machining operation can be applied to the part to reduce its surface roughness. Machine marks are less e...
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