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Processing precision injection molding protective box parts
If you're in the manufacturing world, you've probably heard about precision injection molding—especially when it comes to producing protective box parts. These components need to be durable, exact, and reliable, whether they're used in electronics, medical devices, or industrial equipment.
Why Precision Injection Molding Matters for Protective Boxes
Protective boxes aren’t just any plastic parts—they need to:
- Fit perfectly (even tiny gaps can let in dust or moisture)
- Withstand impact (since they’re often used in tough environments)
- Maintain tight tolerances (so they align correctly with other components)
Regular injection molding might get you close to the right specs, but precision molding ensures every part comes out exactly as designed—no surprises.
Key Factors in Precision Molding Protective Box Parts
1. Material Selection
Not all plastics are equal. For protective cases, you’ll often see:
- ABS (great impact resistance)
- Polycarbonate (strong and transparent if needed)
- Nylon (durable for industrial use)
The right material prevents warping, cracking, or degradation over time.
2. Mold Design & Tooling
Precision starts with the mold. High-quality steel or aluminum molds with fine details ensure consistency. Features like:
- Overmolding (for added sealing)
- Insert molding (for metal reinforcements)
…can make protective boxes even more functional.
3. Process Control
Tiny variations in temperature, pressure, or cooling time can ruin precision. Advanced machines with closed-loop control keep everything in check.
4. Post-Processing & Quality Checks
Even the best-molded parts need inspection. Techniques like:
- CMM (Coordinate Measuring Machine) scanning
- Air leak testing (for waterproof cases)
…ensure each protective box meets specs.
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CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc.
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Aluminum: 2000 series, 6000 series, 7075, 5052, etc.
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Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc.
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Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.
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Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper
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Titanium: Grade F1-F5
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Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.
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Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc.
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±0.002 ~ ±0.005mm
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Min Ra 0.1~3.2
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CERTIFICATE
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ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc.
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FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.
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