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What is 3D Printing?

3D Printing, also known as additive manufacturing, is a process of creating parts layer by layer from digital models.

It is widely used for rapid prototyping, functional testing, and low-volume production.

At Starway, we provide professional 3D printing services in China, delivering high-quality custom parts with fast turnaround and cost-effective solutions.

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FDM 3D printing machineoperation
Types of 3D Printing Technologies
TechnologyDescriptionTypical XY AccuracyLayer Thickness RangeBest For
SLA (Stereolithography)UV-cured liquid photopolymer.卤0.05 mm typical25鈥100 渭mVisual prototypes, dental, jewelry masters
DLPDigital projector cures whole layer at once.卤0.05 mm typical25鈥100 渭mSame as SLA, faster build
SLS (Selective Laser Sintering)Laser fuses nylon powder bed.卤0.1鈥撀0.3 mm typical80鈥120 渭mFunctional nylon parts
MJF (Multi Jet Fusion)Fusing/detailing agents + IR heating on PA powder.卤0.2鈥撀0.3 mm typical80 渭mEnd-use parts, batch production
FDM (Fused Deposition Modeling)Extruded thermoplastic filament.卤0.2鈥撀0.5 mm typical100鈥300 渭mConcept models, jigs, fixtures
DMLS / SLM (Metal PBF)Laser melts metal powder layer by layer.卤0.05鈥撀0.1 mm typical20鈥60 渭mAerospace brackets, medical implants
Binder JettingLiquid binder + powder; sintered after.卤0.2 mm typical50鈥100 渭mMetal/ceramic batch production, sand cores
Common Materials for 3D Printing
MaterialProcessTypical Tensile (MPa)Heat ResistanceTypical Use
PLAFDM50鈥70~60 掳CConcept models / display prototypes
Resin (SLA/DLP)SLA / DLP30鈥80 (resin-dependent)variesHigh-detail visual prototypes
Nylon (PA12)SLS / MJF45鈥55~165 掳C HDTFunctional end-use parts
TPUSLS / FDM5鈥35 (flexible)~80 掳CFlexible seals, wearables
Aluminum (AlSi10Mg)SLM / DMLS230鈥450 (as-built / HT)>300 掳CAerospace, lightweight structural
Stainless Steel (316L)SLM / DMLS / BJ500鈥700>300 掳CIndustrial / medical implants

Advantages of SLA and SLS 3D Printing

SLA (Stereolithography) Advantages

High Precision & Smooth Finish 鈥 Perfect for detailed prototypes and intricate designs. Rapid Prototyping 鈥 Quick turnaround for design validation. Material Variety 鈥 Flexible, tough, and transparent resins available. Complex Geometry 鈥 Capable of producing thin walls, fine details, and sharp features. Excellent Dimensional Accuracy 鈥 Minimal shrinkage ensures precise parts.

SLS (Selective Laser Sintering) Advantages

No Support Structures Needed 鈥 Powder bed naturally supports parts, reducing post-processing. Strong & Functional Parts 鈥 Durable, heat-resistant, and suitable for end-use. Complex & Interlocking Designs 鈥 Ideal for intricate geometries and moving assemblies. Material Versatility 鈥 Thermoplastics and composite powders for different applications. Scalable Production 鈥 Efficient for prototypes and small-batch manufacturing.

How Does 3D Printing Work?

3D Printing works by slicing a 3D CAD model into layers and building the part layer by layer using materials such as plastic, resin, or metal.

Typical Workflow: CAD Design & File Preparation (STL/STEP)
Slicing & Machine Setup
Layer-by-Layer Printing
Post-Processing (Cleaning, Curing, Finishing)
Quality Inspection & Delivery

This process allows for fast production of complex geometries without tooling.

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3D printedprototype plastic part
Why Choose STARWAY MFG GROUP
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Advantages of Starway 3D Printing Services At Starway, we combine advanced 3D Printing technology with full-service manufacturing capabilities to deliver high-quality, cost-effective custom prototype and end-use parts.
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